CN109660595A - A kind of remote operation method and device of real-time street view - Google Patents

A kind of remote operation method and device of real-time street view Download PDF

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Publication number
CN109660595A
CN109660595A CN201811327525.0A CN201811327525A CN109660595A CN 109660595 A CN109660595 A CN 109660595A CN 201811327525 A CN201811327525 A CN 201811327525A CN 109660595 A CN109660595 A CN 109660595A
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translation
graphics workstation
gis
information system
operational order
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CN201811327525.0A
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CN109660595B (en
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王艳辉
亓娜
庾少华
杨春晖
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Visionvera Information Technology Co Ltd
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Visionvera Information Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Graphics (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

The embodiment of the present application provides the remote operation method and a kind of corresponding long-distance operating device of real-time street view of a kind of real-time street view, the method and device are applied in view networking, the view networking includes view networked server, graphics workstation, GIS-Geographic Information System, graphics workstation is carried out telecommunication with GIS-Geographic Information System and is connect, graphics workstation is for carrying out the multi-path monitoring picture sent depending on networked server to be reconstructed into 3 D stereo picture, GIS-Geographic Information System is used for first operand according to the second operational order for being converted into graphics workstation receiving, after graphics workstation receives the second operational order, 3 D stereo picture is zoomed in and out or translated for the second operational order, the application is by carrying out corresponding operating in GIS-Geographic Information System to control the scaling of 3 D stereo picture or translation in graphics workstation, it realizes to figure The remote operation of monitored picture in shape work station.

Description

A kind of remote operation method and device of real-time street view
Technical field
This application involves view networking technology fields, more particularly to the remote operation method and device of a kind of real-time street view.
Background technique
Graphics workstation is the top grade that one kind specializes in figure, image (static state), image (dynamic) and video work The general name of special purpose computer is widely used in the fields such as video monitoring, Graphic Advertisement Design, three-dimensional picture reconstruction.
Currently, checking monitoring picture is all using the graphics workstation, graphical Work in terms of the video monitoring of view networking It standing and is shown over the display after carrying out three-dimensional reconstruction to multiple monitored pictures, user watches monitored picture by display, if with Family will be moved the picture to check different zones to three-dimensional picture or realize zooming in or out to three-dimensional picture Function can only also operate three-dimensional picture by the instruction format in graphics workstation.With the development of network technology, User also increasingly increases the long-range demand for monitoring and operating of three-dimensional picture, thus, in the prior art, there is an urgent need to a kind of energy Long-range control graphics workstation reaches the technology remotely operated to three-dimensional picture in turn.
Summary of the invention
In view of the above problems, it proposes the embodiment of the present application and overcomes the above problem or at least partly in order to provide one kind A kind of remote operation method of the real-time street view to solve the above problems and a kind of corresponding long-distance operating device of real-time street view.
To solve the above-mentioned problems, this application discloses a kind of remote operation method of real-time street view, the method applications In view networking, the view networking includes view networked server, and the view networked server is also communicated to connect with graphics workstation, The graphics workstation is used to carry out the multi-path monitoring picture sent depending on networked server to be reconstructed into 3 D stereo picture, The graphics workstation, which is also based on ICP/IP protocol, to be established telecommunication with GIS-Geographic Information System and connect, and the method includes:
The GIS-Geographic Information System generates first operand evidence, and the first operand is according to by the GIS-Geographic Information System The corresponding operating of middle generation and generate, the corresponding operating includes cursor translation, cursor scroll operation；
The first operand evidence is converted into the second operational order, second operational order by the GIS-Geographic Information System The instruction format received using the graphics workstation；
Second operational order is sent to the graphics workstation, the graphics workstation by the GIS-Geographic Information System It is also used to that the 3 D stereo picture is zoomed in and out or translated relative to reference coordinate for second operational order； Wherein, the reference coordinate is the three-dimensional coordinate of some point in the 3 D stereo picture.
Preferably, the first operand is according to including the first action identification, the first movement numerical value, first action identification For the cursor translation and the mark of the cursor scroll operation, the first movement numerical value includes the cursor translation behaviour The rolling week number of the translation distance of work and the cursor scroll operation.
Preferably, the step of first operand evidence is converted into the second operational order by the GIS-Geographic Information System, comprising:
The GIS-Geographic Information System obtains first action identification in from the first operand；
The GIS-Geographic Information System determines that target is converted for first action identification in preset translation-protocol Agreement；
The first operand evidence is converted into the second operation according to the target translation-protocol by the GIS-Geographic Information System Instruction, second operational order include the second action command, second operand value, and second action command includes corresponding to The translation of the cursor translation instructs, and, it is instructed corresponding to the scaling of the cursor scroll operation, second operation Numerical value includes the translation distance data corresponding to the translation distance, and, corresponding to the scaling multiple number for rolling all numbers According to.
Disclosed herein as well is a kind of remote operation method of real-time street view, the method is applied in view networking, described It include view networked server depending on networking, the view networked server is also communicated to connect with graphics workstation, the graphics workstation For carrying out the multi-path monitoring picture sent depending on networked server to be reconstructed into 3 D stereo picture, the graphics workstation It also establishes telecommunication with GIS-Geographic Information System based on ICP/IP protocol to connect, the method includes:
The graphics workstation receives the second operational order that the GIS-Geographic Information System is sent, second operational order The instruction format received using the graphics workstation；Second operational order is operated by the GIS-Geographic Information System by first Data generate after being converted, and the first operand evidence is by the GIS-Geographic Information System according in the GIS-Geographic Information System The corresponding operating of generation and generate, the corresponding operating includes cursor translation, cursor scroll operation；
The graphics workstation be directed to second operational order, by the 3 D stereo picture relative to reference coordinate into Row scaling or translation；Wherein, the reference coordinate is the three-dimensional coordinate of some point in the 3 D stereo picture.
Preferably, the first operand is according to including the first action identification, the first movement numerical value, first action identification For the cursor translation and the mark of the cursor scroll operation, the first movement numerical value includes the cursor translation behaviour The rolling week number of the translation distance of work and the cursor scroll operation.
Preferably, second operational order includes the second action command, second operand value, second action command It is instructed including the translation corresponding to the cursor translation, and, it is instructed corresponding to the scaling of the cursor scroll operation, institute Stating second operand value includes the translation distance data corresponding to the translation distance, and, corresponding to all numbers of the rolling Scale multiple data.
Preferably, the graphics workstation is directed to second operational order, by the 3 D stereo picture relative to base The step of quasi coordinates is zoomed in and out or is translated, comprising:
The graphics workstation extracts second action command and second operation from second operational order Numerical value；
The graphics workstation extracts the translation instruction and scaling instruction from second action command, from institute It states and extracts the translation distance data and the scaling multiple data in second operand value；
The graphics workstation is instructed for the translation, and the 3 D stereo picture is pressed relative to the reference coordinate It is translated according to the translation distance data；
The graphics workstation is instructed for the scaling, and the 3 D stereo picture is pressed relative to the reference coordinate It is zoomed in and out according to the scaling multiple data.
To solve the above-mentioned problems, described disclosed herein as well is a kind of corresponding long-distance operating device of real-time street view Device is applied in view networking, and the view networking includes view networked server, the figure with the view networked server communication connection Shape work station, the GIS-Geographic Information System with graphical Work communication connection, the graphics workstation are used to network the view The multi-path monitoring picture that server is sent carries out being reconstructed into 3 D stereo picture, and described device is located at the GIS-Geographic Information System It is interior, comprising:
Operation panel module, for carrying out cursor translation, cursor scroll operation；
Operation data generation module, for generating the first operation according to the cursor translation, cursor scroll operation Data；
Format converting module, for the first operand evidence to be converted into the second operational order, wherein second behaviour Make instruction and uses the received instruction format of the graphics workstation；
Communication module is sent to the graphics workstation for second operational order to be based on ICP/IP protocol；Institute The second operational order is stated for triggering the graphics workstation according to second operational order for the 3 D stereo picture phase The operation for zooming in and out or translating for reference coordinate；Wherein, the reference coordinate is a certain in the 3 D stereo picture The three-dimensional coordinate of a point.
Preferably, the format converting module includes:
Operation data acquisition submodule, for receiving the first operand evidence；
Translation-protocol sub-module stored, for storing preset translation-protocol, the translation-protocol includes that multiple targets turn Change agreement；
Transform subblock, for being converted according to the first operand according to target determining in the preset translation-protocol Agreement, and the first operand evidence is converted into the second operational order according to the target translation-protocol.
To solve the above-mentioned problems, disclosed herein as well is the long-distance operating device of corresponding another real-time street view, institutes It states device to be applied in view networking, the view networking includes view networked server, with the view networked server communication connection Graphics workstation, the GIS-Geographic Information System with graphical Work communication connection, the graphics workstation are used to join the view The multi-path monitoring picture that network server is sent carries out being reconstructed into 3 D stereo picture, and described device is located at the graphics workstation It is interior, comprising:
Operational order obtains module, the second operational order sent for obtaining the GIS-Geographic Information System, and described second The instruction format that operational order uses the graphics workstation to receive；Second operational order will by the GIS-Geographic Information System First operand according to generating after being converted, believe according to by the GIS-Geographic Information System according in the geography by the first operand The corresponding operating that occurs in breath system and generate, the corresponding operating includes cursor translation, cursor scroll operation；
Screen operation module is executed the 3 D stereo picture for being directed to second operational order relative to base The operation that quasi coordinates is zoomed in and out or translated, wherein the reference coordinate is some point in the 3 D stereo picture Three-dimensional coordinate.
Compared with prior art, the embodiment of the present application has the advantage that
Firstly, the characteristic of the embodiment of the present application application view networking, graphics workstation and GIS-Geographic Information System is carried out long-range It communicates to connect, the operations such as cursor translation, cursor rolling for carrying out in GIS-Geographic Information System, which are first converted into graphics workstation, to be received Operational order format, then the operational order formed after conversion is sent remotely to graphics workstation, graphics workstation receives The operation that 3 D stereo picture is translated or scaled is executed after the operational order.Pass through what is carried out in information system in the ground The scaling of 3 D stereo picture, translation on control graphics workstation are removed in cursor translation, cursor scroll operation, solve and supervise in video The technical issues of prosecutor face, checking monitoring picture and operation monitored picture can only be operated by graphics workstation, reaches The purpose that three-dimensional picture is remotely monitored and operated, graphics workstation can remotely be controlled and then reach pair by meeting user Three-dimensional picture carries out the demand of long-range indirect operation.
Secondly, the cursor operations occurred in GIS-Geographic Information System are converted into the receptible instruction format of graphics workstation, Graphics workstation directly can control three-dimensional picture according to the instruction format received, improve geosystem and graphical Work Compatibility both in the telecommunication stood is avoided when remotely controlling graphics workstation by GIS-Geographic Information System, because of ground In reason information system the instruction that occurs and graphics workstation it is incompatible and the problem of cannot achieve long-range control.
Finally, prestoring translation-protocol in GIS-Geographic Information System, which includes target translation-protocol again, geographical Cursor translation can be targetedly converted into the translation of three-dimensional picture in graphics workstation by information system, and cursor is rolled It is dynamic to operate the zoom operations for being converted into three-dimensional picture in graphical Work, so that the translation-protocol of instruction format is targetedly coped with The different operation of cursor improves accuracy and accuracy that GIS-Geographic Information System carries out operational order conversion.
Detailed description of the invention
Fig. 1 is a kind of networking schematic diagram of view networking of the application；
Fig. 2 is a kind of hardware structural diagram of node server of the application；
Fig. 3 is a kind of hardware structural diagram of access switch of the application；
Fig. 4 is that a kind of Ethernet association of the application turns the hardware structural diagram of gateway；
Fig. 5 is a kind of step flow chart of the remote operation method embodiment 1 of real-time street view of the application；
Fig. 6 is a kind of step flow chart of the remote operation method embodiment 2 of real-time street view of the application；
Fig. 7 is a kind of structural block diagram of the long-distance operating device embodiment 3 of real-time street view of the application；
Fig. 8 is the preferred of format converting module described in a kind of long-distance operating device embodiment 3 of real-time street view of the application Structural block diagram；
Fig. 9 is the knot of screen operation module described in a kind of long-distance operating device embodiment 3 of real-time street view of the application Structure block diagram.
Specific embodiment
In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing and it is specific real Applying mode, the present application will be further described in detail.
It is the important milestone of network Development depending on networking, is a real-time network, can be realized HD video real-time Transmission, Push numerous Internet applications to HD video, high definition is face-to-face.
Real-time high-definition video switching technology is used depending on networking, it can be such as high in a network platform by required service Clear video conference, Intellectualized monitoring analysis, emergency command, digital broadcast television, delay TV, the Web-based instruction, shows video monitoring Field live streaming, VOD program request, TV Mail, individual character records (PVR), Intranet (manages) channel by oneself, intelligent video Broadcast Control, information publication All be incorporated into a system platform etc. services such as tens of kinds of videos, voice, picture, text, communication, data, by TV or Computer realizes that high-definition quality video plays.
To make those skilled in the art more fully understand the embodiment of the present application, it is introduced below to depending on networking:
Depending on networking, applied portion of techniques is as described below:
Network technology (NetworkTechnology)
Traditional ethernet (Ethernet) is improved depending on the network technology innovation networked, with potential huge on network Video flow.(Circuit is exchanged different from simple network packet packet switch (Packet Switching) or lattice network Switching), Streaming demand is met using Packet Switching depending on networking technology.Have point depending on networking technology Flexible, the simple and low price of group exchange, is provided simultaneously with the quality and safety assurance of circuit switching, it is virtual to realize the whole network switch type The seamless connection of circuit and data format.
Switching technology (Switching Technology)
Two advantages of asynchronous and packet switch that Ethernet is used depending on networking eliminate Ethernet under the premise of complete compatible and lack It falls into, has the end-to-end seamless connection of the whole network, direct user terminal, directly carrying IP data packet.User data is in network-wide basis It is not required to any format conversion.It is the more advanced form of Ethernet depending on networking, is a real-time exchange platform, can be realized at present mutually The whole network large-scale high-definition realtime video transmission that networking cannot achieve pushes numerous network video applications to high Qinghua, unitizes.
Server technology (ServerTechnology)
It is different from traditional server, its Streaming Media depending on the server technology in networking and unified video platform Transmission be built upon it is connection-oriented on the basis of, data-handling capacity is unrelated with flow, communication time, single network layer energy Enough transmitted comprising signaling and data.For voice and video business, handled depending on networking and unified video platform Streaming Media Complexity many simpler than data processing, efficiency substantially increase hundred times or more than traditional server.
Reservoir technology (Storage Technology)
The ultrahigh speed reservoir technology of unified video platform in order to adapt to the media content of vast capacity and super-flow and Using state-of-the-art real time operating system, the programme information in server instruction is mapped to specific hard drive space, media Content is no longer pass through server, and moment is directly delivered to user terminal, and user waits typical time less than 0.2 second.It optimizes Sector distribution greatly reduces the mechanical movement of hard disc magnetic head tracking, and resource consumption only accounts for the 20% of the internet ad eundem IP, but The concurrent flow greater than 3 times of traditional disk array is generated, overall efficiency promotes 10 times or more.
Network security technology (Network Security Technology)
Depending on the structural design networked by servicing independent licence system, equipment and the modes such as user data is completely isolated every time The network security problem that puzzlement internet has thoroughly been eradicated from structure, does not need antivirus applet, firewall generally, has prevented black The attack of visitor and virus, structural carefree secure network is provided for user.
It services innovative technology (Service Innovation Technology)
Business and transmission are fused together by unified video platform, whether single user, private user or a net The sum total of network is all only primary automatic connection.User terminal, set-top box or PC are attached directly to unified video platform, obtain rich The multimedia video service of rich colorful various forms.Unified video platform is traditional to substitute with table schema using " menu type " Complicated applications programming, considerably less code, which can be used, can be realized complicated application, realize the new business innovation of " endless ".
Networking depending on networking is as described below:
It is a kind of central controlled network structure depending on networking, which can be Tree Network, Star network, ring network etc. class Type, but centralized control node is needed to control whole network in network on this basis.
As shown in Figure 1, being divided into access net and Metropolitan Area Network (MAN) two parts depending on networking.
The equipment of access mesh portions can be mainly divided into 3 classes: node server, access switch, terminal (including various machines Top box, encoding board, memory etc.).Node server is connected with access switch, and access switch can be with multiple terminal phases Even, and it can connect Ethernet.
Wherein, node server is the node that centralized control functions are played in access net, can control access switch and terminal. Node server can directly be connected with access switch, can also directly be connected with terminal.
Similar, the equipment of metropolitan area mesh portions can also be divided into 3 classes: metropolitan area server, node switch, node serve Device.Metropolitan area server is connected with node switch, and node switch can be connected with multiple node servers.
Wherein, node server is the node server for accessing mesh portions, i.e. node server had both belonged to access wet end Point, and belong to metropolitan area mesh portions.
Metropolitan area server is the node that centralized control functions are played in Metropolitan Area Network (MAN), can control node switch and node serve Device.Metropolitan area server can be directly connected to node switch, can also be directly connected to node server.
It can be seen that be entirely a kind of central controlled network structure of layering depending on networking network, and node server and metropolitan area The network controlled under server can be the various structures such as tree-shaped, star-like, cyclic annular.
Visually claim, access mesh portions can form unified video platform (part in virtual coil), and multiple unified videos are flat Platform can form view networking；Each unified video platform can be interconnected by metropolitan area and wide area depending on networking.
Classify depending on networked devices
1.1 the embodiment of the present application can be mainly divided into 3 classes: server depending on the equipment in networking, interchanger (including ether Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).Depending on networking can be divided on the whole Metropolitan Area Network (MAN) (or National net, World Wide Web etc.) and access net.
1.2 equipment for wherein accessing mesh portions can be mainly divided into 3 classes: node server, access switch (including ether Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).
The specific hardware structure of each access network equipment are as follows:
Node server:
As shown in Fig. 2, mainly including Network Interface Module 201, switching engine module 202, CPU module 203, disk battle array Column module 204；
Wherein, Network Interface Module 201, the Bao Jun that CPU module 203, disk array module 204 are come in enter switching engine Module 202；Switching engine module 202 look into the operation of address table 205 to the packet come in, to obtain the navigation information of packet； And the packet is stored according to the navigation information of packet the queue of corresponding pack buffer 206；If the queue of pack buffer 206 is close It is full, then it abandons；All pack buffer queues of 202 poll of switching engine mould, are forwarded: 1) end if meeting the following conditions It is less than that mouth sends caching；2) the queue package counting facility is greater than zero.Disk array module 204 mainly realizes the control to hard disk, packet Include the operation such as initialization, read-write to hard disk；CPU module 203 is mainly responsible for and access switch, terminal (not shown) Between protocol processes, to address table 205 (including descending protocol packet address table, uplink protocol package address table, data packet addressed Table) configuration, and, the configuration to disk array module 204.
Access switch:
As shown in figure 3, mainly including Network Interface Module (downstream network interface module 301, uplink network interface module 302), switching engine module 303 and CPU module 304；
Wherein, the packet (upstream data) that downstream network interface module 301 is come in enters packet detection module 305；Packet detection mould Whether mesh way address (DA), source address (SA), type of data packet and the packet length of the detection packet of block 305 meet the requirements, if met, It then distributes corresponding flow identifier (stream-id), and enters switching engine module 303, otherwise abandon；Uplink network interface The packet (downlink data) that module 302 is come in enters switching engine module 303；The data packet that CPU module 204 is come in enters exchange Engine modules 303；Switching engine module 303 look into the operation of address table 306 to the packet come in, to obtain the guiding letter of packet Breath；If the packet into switching engine module 303 is that downstream network interface is gone toward uplink network interface, in conjunction with flow identifier (stream-id) packet is stored in the queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full, It abandons；If the packet into switching engine module 303 is not that downstream network interface is gone toward uplink network interface, according to packet Navigation information is stored in the data packet queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close It is full, then it abandons.
All pack buffer queues of 303 poll of switching engine module, are divided to two kinds of situations in the embodiment of the present application:
If the queue is that downstream network interface is gone toward uplink network interface, meets the following conditions and be forwarded: 1) It is less than that the port sends caching；2) the queue package counting facility is greater than zero；3) token that code rate operation module generates is obtained；
If the queue is not that downstream network interface is gone toward uplink network interface, meets the following conditions and is forwarded: 1) it is less than to send caching for the port；2) the queue package counting facility is greater than zero.
Code rate operation module 208 is configured by CPU module 204, to all downlink networks in programmable interval Interface generates token toward the pack buffer queue that uplink network interface is gone, to control the code rate of forwarded upstream.
CPU module 304 is mainly responsible for the protocol processes between node server, the configuration to address table 306, and, Configuration to code rate operation module 308.
Ethernet association turns gateway:
As shown in figure 4, mainly including Network Interface Module (downstream network interface module 401, uplink network interface module 402), switching engine module 403, CPU module 404, packet detection module 405, code rate operation module 408, address table 406, Bao Huan Storage 407 and MAC adding module 409, MAC removing module 410.
Wherein, the data packet that downstream network interface module 401 is come in enters packet detection module 405；Packet detection module 405 is examined The ethernet mac DA of measured data packet, ethernet mac SA, Ethernet length or frame type, with regarding networking mesh ground Location DA, whether meet the requirements, distributed if meeting corresponding depending on networking source address SA, depending on networking data Packet type and packet length Flow identifier (stream-id)；Then, MAC DA, MAC SA, length or frame are subtracted by MAC removing module 410 Type (2byte), and enter corresponding receive and cache, otherwise abandon；
Downstream network interface module 401 detects the transmission caching of the port, according to the view of packet networking mesh if there is Bao Ze Address D A knows the ethernet mac DA of corresponding terminal, adds the ethernet mac DA of terminal, Ethernet assists the MAC for turning gateway SA, Ethernet length or frame type, and send.
The function that Ethernet association turns other modules in gateway is similar with access switch.
Terminal:
It mainly include Network Interface Module, Service Processing Module and CPU module；For example, set-top box mainly connects including network Mouth mold block, video/audio encoding and decoding engine modules, CPU module；Encoding board mainly includes Network Interface Module, video encoding engine Module, CPU module；Memory mainly includes Network Interface Module, CPU module and disk array module.
The equipment of 1.3 metropolitan area mesh portions can be mainly divided into 2 classes: node server, node switch, metropolitan area server. Wherein, node switch mainly includes Network Interface Module, switching engine module and CPU module；Metropolitan area server mainly includes Network Interface Module, switching engine module and CPU module composition.
2, networking data package definition is regarded
2.1 access network data package definitions
Access net data packet mainly include following sections: destination address (DA), source address (SA), reserve bytes, payload(PDU)、CRC。
As shown in the table, the data packet for accessing net mainly includes following sections:
DA SA Reserved Payload CRC
Wherein:
Destination address (DA) is made of 8 bytes (byte), and first character section indicates type (such as the various associations of data packet Discuss packet, multicast packet, unicast packet etc.), be up to 256 kinds of possibility, the second byte to the 6th byte is metropolitan area entoilage Location, the seven, the 8th bytes are access net address；
Source address (SA) is also to be made of 8 bytes (byte), is defined identical as destination address (DA)；
Reserve bytes are made of 2 bytes；
The part payload has different length according to the type of different datagrams, is if it is various protocol packages 64 bytes are 32+1024=1056 bytes if it is single group unicast packets words, are not restricted to above 2 kinds certainly；
CRC is made of 4 bytes, and calculation method follows the Ethernet CRC algorithm of standard.
2.2 Metropolitan Area Network (MAN) packet definitions
The topology of Metropolitan Area Network (MAN) is pattern, may there is 2 kinds, connection even of more than two kinds, i.e. node switching between two equipment It can all can exceed that 2 kinds between machine and node server, node switch and node switch, node switch and node server Connection.But the metropolitan area net address of metropolitan area network equipment is uniquely, to close to accurately describe the connection between metropolitan area network equipment System, introduces parameter in the embodiment of the present application: label, uniquely to describe a metropolitan area network equipment.
(Multi-Protocol Label Switch, multiprotocol label are handed over by the definition of label and MPLS in this specification Change) label definition it is similar, it is assumed that between equipment A and equipment B there are two connection, then data packet from equipment A to equipment B just There are 2 labels, data packet also there are 2 labels from equipment B to equipment A.Label is divided into label, outgoing label, it is assumed that data packet enters The label (entering label) of equipment A is 0x0000, and the label (outgoing label) when this data packet leaves equipment A may reform into 0x0001.The networking process of Metropolitan Area Network (MAN) is to enter network process under centralized control, also means that address distribution, the label of Metropolitan Area Network (MAN) Distribution be all to be dominated by metropolitan area server, node switch, node server be all passively execute, this point with The label distribution of MPLS is different, and the distribution of the label of MPLS is the result that interchanger, server are negotiated mutually.
As shown in the table, the data packet of Metropolitan Area Network (MAN) mainly includes following sections:
DA SA Reserved Label Payload CRC
That is destination address (DA), source address (SA), reserve bytes (Reserved), label, payload (PDU), CRC. Wherein, the format of label can be with reference to such as giving a definition: label is 32bit, wherein high 16bit retains, only with low 16bit, it Position is between the reserve bytes and payload of data packet.
Based on the above-mentioned characteristic of view networking, one of core idea of the embodiment of the present application is proposed, it then follows regard the association of networking View, GIS-Geographic Information System is carried out telecommunication with graphics workstation and is connect, GIS-Geographic Information System is according in GIS-Geographic Information System The corresponding operating of upper progress generates first operand evidence, and first operand evidence is converted into the second operation and referred to by GIS-Geographic Information System It enables, the second operational order formed after conversion is consistent with the control instruction format in three-dimensional stereograph face in graphics workstation, figure Shape work station is zoomed in and out or is translated relative to reference coordinate to 3 D stereo picture according to the second operational order.The application adopts With the technological means for remotely controlling operation of the graphics workstation to 3 D stereo picture by GIS-Geographic Information System, solve at present User is only capable of the problem of operating by graphics workstation to 3 D stereo picture.
Embodiment one
Referring to Fig. 5, the remote operation method for showing a kind of real-time street view of the application applies the step flow chart of example 1, In the embodiment of the present application, it is described depending on networking may include view networked server, the view networked server also with graphics workstation Communication connection, the graphics workstation can be used for the multi-path monitoring picture sent depending on networked server carrying out reconstruction shape At 3 D stereo picture, the graphics workstation is also based on ICP/IP protocol and GIS-Geographic Information System establishes telecommunication company It connects.
In practice, ICP/IP protocol can be preferably web socket agreement (webscoket agreement), web socket association View can be understood as the new network protocol of one kind based on TCP, it realizes browser and server full-duplex communication, allows Server active transmission information can still be protected to client using the web socket agreement in the case where operating very frequent situation It holds and smoothly communicates in real time；In practice, the multi-path monitoring picture of graphics workstation processing is responsible for region from graphics workstation Monitoring camera acquisition video pictures, the video pictures are by being sent to graphics workstation depending on networked server.
The embodiment of the present application can specifically include lower step:
Step 501, the GIS-Geographic Information System generates first operand evidence, and the first operand evidence can be by described The corresponding operating that occurs in GIS-Geographic Information System and generate, the corresponding operating may include in the GIS-Geographic Information System Cursor translation, the cursor scroll operation of progress.
In practice, the GIS-Geographic Information System can be understood as a kind of specific highly important space information system, It is computer hardware and software system support under, in earth surface layer (including atmosphere) space all or in part relatedly The reason distributed data technological system that is acquired, stores, managing, operation, analyzing, be shown and described, can to spatial information into Row analysis and processing.GIS-Geographic Information System is based on ICP/IP protocol and graphics workstation and establishes after telecommunication connect, geographical to believe Breath system and graphics workstation can be in communication with each other, and the picture formed in GIS-Geographic Information System can be graphics workstation The two-dimensional map picture of responsible monitoring area, in practice, first operand are right in GIS-Geographic Information System according to can be understood as Two-dimensional map picture carries out the operation data packet generated when cursor translation, cursor scroll operation.
In practice, cursor is it can be appreciated that mouse, the cursor translation that cursor carries out in GIS-Geographic Information System can Left button is pinned to be not understood as mouse and does not put the operation that drags of row into, cursor scroll operation can be understood as the scroll bar of mouse The operation scrolled down through upwards, certainly, mouse can also carry out the operation of right-click in practice, in this application, To mouse carry out operation with no restrictions.
In a preferred embodiment of the present application, the first operand evidence may include the first action identification, first Acting numerical value, first action identification is the mark of the cursor translation and the cursor scroll operation, described first Acting numerical value may include the translation distance of the cursor translation and the rolling week number of the cursor scroll operation.
For example, mouse generates a mark " p " when carrying out cursor translation, then the first action identification is then " p ", mouse A mark " G " is generated when carrying out scroll operation, then the first action identification is then " G ", thus in GIS-Geographic Information System The operation of identification mouse can be gone by reading " p " and " G ".
Step 502, the GIS-Geographic Information System by the first operand according to being converted into the second operational order, described second The instruction format that operational order uses the graphics workstation to receive.
First operand evidence is to carry out cursor translation, cursor rolling behaviour to two-dimensional map picture in GIS-Geographic Information System As when the operation data packet that generates, and what is handled in graphics workstation is 3 D stereo picture, if will directly handle two-dimensional map The first operand of picture goes to processing three-dimensional stereograph face according to graphics workstation is sent to, then can because of the two instruction format not With cause it is incompatible, cannot achieve the problem of long-range control, it is therefore desirable to by first operand according to be converted by graphical Work The consistent operational order of instruction format in standing.After first operand evidence is converted into the second operational order, graphical Work Standing directly to control three-dimensional picture according to the instruction format that receives, improve the long-range of geosystem and graphics workstation Compatibility both in communication is avoided when remotely controlling graphics workstation by GIS-Geographic Information System, because of geography information system The instruction that occurs in system and graphics workstation it is incompatible and the problem of cannot achieve long-range control.
In a kind of preferred embodiments of the application, which can specifically include following sub-step:
Sub-step S1, the GIS-Geographic Information System obtain first action identification in from the first operand.
Obtain first action identification, it can be determined that is carried out in GIS-Geographic Information System is cursor translation or light Mark scroll operation.
Sub-step S2, the GIS-Geographic Information System are determined in preset translation-protocol for first action identification Target translation-protocol.
The target translation-protocol of the translation-protocol can have multiple, each target translation-protocol is dynamic for different first It makes a check mark.In practice, the translation distance of cursor translation is the rolling week number of cursor scroll operation using length as measurement unit It is using all numbers as measurement unit, the metering method of the two data is different, in conversion, needs to determine tool according to action identification The target translation-protocol of body.When the first action identification identified be cursor translation when, then can enable have translation turn The target translation-protocol of function is changed, cursor translation is targetedly converted into the flat of three-dimensional picture in graphics workstation It moves；When the first action identification identified be cursor scroll operation when, then can enable with roll conversion function target turn Agreement is changed, cursor scroll operation can be converted into the zoom operations of three-dimensional picture in graphical Work.Different behaviour according to cursor Make the conversion for targetedly carrying out operation data, improves accuracy and standard that GIS-Geographic Information System carries out operational order conversion Exactness.
The first operand evidence is converted by sub-step S3, the GIS-Geographic Information System according to the target translation-protocol Second operational order, second operational order include the second action command, second operand value, the second action command packet The translation included corresponding to the cursor translation instructs, and, it is instructed corresponding to the scaling of the cursor scroll operation, it is described Second operand value includes the translation distance data corresponding to the translation distance, and, corresponding to the contracting for rolling all numbers Put multiple data.
It is described in detail according to the first action identification:
The first situation: the first action identification is the mark of cursor translation, and GIS-Geographic Information System can be according to having The target translation-protocol of conversion function is translated by first operand according to being converted into second operand evidence, second operand is according to can also be with Including the second action command, second operand value, the second action command is then corresponding to the translation instruction of cursor translation, the Two operand values correspond to the translation distance data of the translation distance.For example, the first movement numerical value is 3cm, indicate that cursor is flat 3cm being moved, after being converted, second operand value is 20m, it can be understood as cursor moves 3cm in GIS-Geographic Information System, The mobile 20m of the 3 D stereo picture being then equivalent in control graphics workstation.
Second situation: the first action identification is the mark of cursor scroll operation, and GIS-Geographic Information System can be according to having The target translation-protocol of zoom function conversion is by first operand according to being converted into second operand evidence, and second operand is according to can also be with Including the second action command, second operand value, the scaling that the second action command then corresponds to cursor scroll operation is instructed, and second Operand value is then corresponding to the scaling multiple data that cursor rolls all numbers.For example, the first movement numerical value was+1 week, it is possible to understand that It has scrolled up 1 week for mouse rollovers key, after conversion, second operand value is+1.5, is equivalent to mouse and scrolls up 1 week quite 1.5 times are exaggerated in the 3 D stereo picture in graphics workstation, it is understood that it has furthered 30m for 3 D stereo picture, it can To see details.
Step 503, second operational order is sent to the graphics workstation, the figure by the GIS-Geographic Information System Shape work station is also used to according to second operational order, and execution contracts the 3 D stereo picture relative to reference coordinate The operation put or translated；Wherein, the reference coordinate is the three-dimensional coordinate of some point in the 3 D stereo picture.
In practice, GIS-Geographic Information System and graphics workstation have been based on ICP/IP protocol and establish communication connection, thus Second operational order can be sent to graphics workstation based on the ICP/IP protocol, the second operational order be with by graphical Work The consistent operational order of instruction format in standing, graphics workstation can be directly according to the second operational order to three-dimensional stereograph Face is translated or is scaled, and can be understood as 3 D stereo picture being moved to from current location to the translation of 3 D stereo picture The next position can be understood as pair the scaling of 3 D stereo picture to observe the different location in 3 D stereo picture Three-dimensional picture zooms in or out, and when amplification can check the details of 3 D stereo picture, and when diminution can preferably be observed The entirety of three-dimensional picture solid.The reference coordinate can be understood as the three-dimensional seat that some in the 3 D stereo picture is put Mark when graphics workstation models 3 D stereo picture, can will be drawn in 3 D stereo picture in intermediate in practice The three-dimensional coordinate of the point in face is as reference coordinate, it is of course also possible to be the three of the random calculated point of graphics workstation Tie up coordinate.
In one preferred embodiment of the invention, the second operational order may include the second action command and the second operation Numerical value is described in detail below according to the second action command:
Second action command is translation instruction, then the graphics workstation can execute the 3 D stereo picture is opposite In the operation that the reference coordinate is translated according to the translation distance data.
For example, it is 20m that translation instruction, which is translation distance data, then the 3 D stereo picture is sat relative to the benchmark Mark translation 20m.
Second action command is scaling instruction, then the graphics workstation can execute the 3 D stereo picture is opposite In the operation that the reference coordinate is zoomed in and out according to the scaling multiple data.
For example, scaling multiple data are 1.5, then by the 3 D stereo picture relative to reference coordinate scaling 1.5 Times.
In practice, graphics workstation can also be communicatively coupled with a display, be completed according to the second operational order The operation of scaling or translation to 3 D stereo picture can show that the three-dimensional after being translated or being scaled is vertical by display Body picture, user can watch 3 D stereo picture by the display.
In the following, by specific example to the remote operation method of real-time street view of the embodiment of the present application 1 a kind of into Row is introduced:
Graphics workstation depending on networking protocol with depending on networked server by being communicatively coupled, the responsible prison of graphics workstation There are 3 monitoring cameras in control region, the video pictures of 3 monitoring cameras acquisition are by being sent to figure depending on networked server Work station, graphics workstation form 3 D stereo picture, the graphics workstation after carrying out three-dimensional reconstruction to 3 road monitor video pictures It is also established and is communicated to connect by web socket agreement (websocket agreement) and GIS-Geographic Information System, receive geography information system The operational order that system is sent, for convenience of user to watch, graphics workstation is also connected to a display, and user can show 3 D stereo picture is watched on device.
The example is described in detail below as the flow direction of data flow:
Firstly, carrying out cursor scroll operation again after carrying out cursor translation in GIS-Geographic Information System；It is flat according to cursor It moves in the operation data that operation generates, action identification is that translation mark is indicated specifically to left with "-P ", acts numerical value It is 3cm, indicates to left 3cm；In the operation data generated according to cursor scroll operation, action identification is to roll mark, tool Body is to scroll up, with " G——" indicate, movement numerical value is " 1 ", indicates that mouse scrolls up 1 week；
Then, GIS-Geographic Information System enables the target translation-protocol with translation conversion function according to translation mark "-P ", Translation mark " P " is converted into translation instruction " -1 ", movement numerical value " 3cm " is converted into operand value " 20m "；It is marked according to rolling Know " G——" the target translation-protocol with rolling conversion function is enabled, " G is identified by rolling——" it is converted into scaling instruction " 0~", Movement numerical value " 1 " is converted into operand value " 1.5 ".The translation instructs " -1 ", operand value " 20m ", scaling instruction " 0~" and Operand value " 1.5 " is consistent with the instruction format in graphics workstation.
Then, translation instruction " -1 ", operand value " 20m ", scaling are instructed " 0 by GIS-Geographic Information System~", operand value " 1.5 " are sent to graphics workstation.
Finally, graphics workstation instructs " -1 " and operand value " 20m " according to translation, by 3 D stereo picture relative to base Quasi coordinates is to left 20m；According to scaling instruction " 0~", operand value " 1.5 ", by 3 D stereo picture relative to reference coordinate 1.5 times of amplification, after 1.5 times of amplification, the 30m sight it is to be appreciated that the picture a part of to certain has furthered in terms of 3 D stereo picture It sees.
If cursor has carried out the operation of right-click in GIS-Geographic Information System again, a RESET operation data are generated, By this RESET operation data according to graphics workstation is sent to after the conversion of certain translation-protocol, then graphics workstation is vertical by three-dimensional Body picture resets to initial 3 D stereo picture when rebuilding for the first time to multi-path monitoring picture.
Graphics workstation is carried out telecommunication with GIS-Geographic Information System and is connect by the embodiment of the present application, in GIS-Geographic Information System The operations such as the cursor of progress translates, cursor rolls are first converted into the receptible operational order format of graphics workstation, then will conversion The operational order formed afterwards is sent remotely to graphics workstation, and graphics workstation is executed and three-dimensional will be stood after receiving the operational order The operation that body picture is translated or scaled, to realize operation of the long-range control graphics workstation to 3 D stereo picture Purpose, and then meet user and carry out the monitoring of long-distance video picture and remotely operate the demand of video pictures.
It should be noted that the operation of the present embodiment can be cursor translation and cursor scroll operation, do not represent Operation of the application in GIS-Geographic Information System is limited in cursor translation and cursor scroll operation, in fact, this Shen Please the operation in GIS-Geographic Information System can also be that right-click operates, and no matter which kind of is operated, and still can use the application Technological means cited by embodiment is gone to realize remote according to the operation in GIS-Geographic Information System in the remote operation of real-time street view Technical purpose of the process control graphics workstation to the control of 3 D stereo picture.
Embodiment two
Referring to Fig. 6, the remote operation method for showing a kind of real-time street view of the application applies the step flow chart of example 2, In the embodiment of the present application, it is described depending on networking may include view networked server, the view networked server also with graphics workstation Communication connection, the graphics workstation can be used for the multi-path monitoring picture sent depending on networked server carrying out reconstruction shape At 3 D stereo picture, the graphics workstation is also based on ICP/IP protocol and GIS-Geographic Information System establishes telecommunication company It connects, in practice, TCP/IP agreement can be preferably web socket agreement (webscoket agreement), and web socket agreement can To be not understood as the new network protocol of one kind based on TCP, it realizes browser and server full-duplex communication, allows to service Device active transmission information can still maintain real in the case where operating very frequent situation to client, using the web socket agreement When smoothly communicate.
The present embodiment can specifically include lower step:
Step 601, the graphics workstation receives the second operational order that the GIS-Geographic Information System is sent, and described second The instruction format that operational order uses the graphics workstation to receive；Second operational order will by the GIS-Geographic Information System First operand according to generating after being converted, believe according to by the GIS-Geographic Information System according in the geography by the first operand The corresponding operating that occurs in breath system and generate, the corresponding operating includes cursor translation, cursor scroll operation.
In practice, graphics workstation processing is 3 D stereo picture, and GIS-Geographic Information System processing is two-dimensionally picture Face, thus, for the two when handling picture, the instruction format used is different, and received second operational order of graphics workstation is The instruction format of 3 D stereo picture is handled, the first operational order is the instruction format for two-dimensional map picture, in this way, can be with First the first operational order is converted into GIS-Geographic Information System to be suitble to the instruction format of graphics workstation, is referred to about the first operation The specific generating process enabled is referred to the associated description of 1 step 501 of embodiment, and the present embodiment is no longer discussed in detail herein It states.
In a preferred embodiment of the present application, the first operand according to may include the first action identification, it is first dynamic Make numerical value, first action identification is the mark of the cursor translation and the cursor scroll operation, and described first is dynamic It include the translation distance of the cursor translation and the rolling week number of the cursor scroll operation as numerical value.
In practice, the different movements of mouse can generate different operation datas corresponding to the movement, in order to distinguish difference Operation data, then these operation datas are distinguished with action identification, so as to graphics workstation receive second operation Data targetedly correspond to the different operation of cursor.For example, translation distance is 2cm, then gives birth to if mouse carries out cursor translation At first operand evidence the first action identification be " p ", first movement numerical value be " 2 ", i.e., with " p " indicate first movement numerical value " 2 " are the translation distances that cursor translation generates；Mouse carries out scroll operation, and the circle that scrolls up, then first generated First action identification of operation data is " G ", and first operand value is " 1 ", i.e., indicates that the first movement numerical value " 1 " is light with " G " The rolling week number that scroll operation generates is marked, GIS-Geographic Information System according to action identification with can go to execute corresponding conversion.
In the case where first operand is according to may include the first action identification, the first movement numerical value, second operation Instruction may include the second action command, second operand value, and second action command includes translating corresponding to the cursor The translation of operation instructs, and, it is instructed corresponding to the scaling of the cursor scroll operation, the second operand value includes corresponding In the translation distance data of the translation distance, and, corresponding to the scaling multiple data for rolling all numbers.
That is, the second operational order that graphics workstation receives includes the first movement according to first operand in Identify the second action command being converted into, the first movement numerical value conversion at second operand value, second action command and the Two operation datas are exactly instruction and data of the graphics workstation to handle 3 D stereo picture, and graphics workstation can be according to Two action commands determine translate to three-dimensional picture or scale, can be according to second operand according to determining 3 D stereo picture The distance of translation and the multiple of scaling.
Step 602, the graphics workstation is directed to second operational order, by the 3 D stereo picture relative to base Quasi coordinates is zoomed in and out or is translated；Wherein, the reference coordinate is that the three-dimensional of some point in the 3 D stereo picture is sat Mark.
In a preferred embodiment of the present application, step 602 correspondingly may include following sub-step:
Sub-step C1, the graphics workstation obtain second action command and described from second operational order Second operand value.
Obtain the second action command can be determined that 3 D stereo picture translate or scale, obtain second operation Numerical value, which can determine, to carry out 3 D stereo picture to translate how many distances or how many times of scaling.
Sub-step C2, the graphics workstation obtain the translation instruction and the scaling from second action command Instruction obtains the translation distance data and the scaling multiple data from the second operand value.
Sub-step C3, the graphics workstation for the translation instruct, execute by the 3 D stereo picture relative to The operation that the reference coordinate is translated according to the translation distance data.
Sub-step C4, the graphics workstation for the scaling instruct, execute by the 3 D stereo picture relative to The operation that the reference coordinate is zoomed in and out according to the scaling multiple data.
In the following, by specific example to the remote operation method of real-time street view of the embodiment of the present application 2 a kind of into Row is introduced:
Graphics workstation is established into communication link by web socket agreement (websocket protocol) and GIS-Geographic Information System It connects, which, which also passes through, is communicatively coupled depending on networking protocol with depending on networked server, and later, graphics workstation receives Depending on the multi-path monitoring video pictures that networked server is sent, these monitor video pictures are the prisons that graphics workstation is responsible for The monitored picture of all monitoring cameras acquisition in region is controlled, graphics workstation carries out Three-dimensional Gravity to multi-path monitoring video pictures 3 D stereo picture is formed after building, for convenience of user to watch, graphics workstation is also connected to a display.
Firstly, graphics workstation receives the operational order that GIS-Geographic Information System is sent, which is geography information System is converted according to the operation data that cursor translation and cursor scroll operation generate；In this example, geography information It include action identification and movement numerical value in the operation data that system is generated according to cursor translation, wherein action identification is flat Mark is moved, is indicated with " P- ", movement numerical value is 3cm, is indicated to right translation 3cm；The operand generated according to cursor scroll operation In, action identification is to roll mark, is specifically scrolled up, with " G——" indicate, movement numerical value is " 1 ", indicates that mouse is downward It rolls 1 week；After inverted, the action command in the second operation that graphics workstation receives is " 1- " and " 0~", corresponding behaviour It is " 30m " and " 1.5 " as numerical value.
Finally, graphics workstation is according to action command " 1- " and operand value " 30m ", by 3 D stereo picture relative to base Quasi coordinates is to right translation 30m；According to action command " 0~", operand value " 1.5 ", by 3 D stereo picture relative to reference coordinate 1.5 times are reduced, after reducing 1.5 times, it is to be appreciated that having zoomed out 30m sight to the picture of certain a part in terms of 3 D stereo picture It sees.
It should also be noted that, for simple description, therefore, it is stated as a series of movements for embodiment of the method Combination, but those skilled in the art should understand that, the embodiment of the present application is not limited by the described action sequence, because According to the embodiment of the present application, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also answer This knows that the embodiments described in the specification are all preferred embodiments, and related movement not necessarily the application is real It applies necessary to example.
Embodiment three
As Fig. 7 shows a kind of long-distance operating device of real-time street view of the embodiment of the present application 3, the place of comparative examples 1 Reason method, described device can be applied to view networking in, it is described view networking may include view networked server, with the view networking Server can communicate the graphics workstation of connection, can communicate the geography information system of connection with the graphical Work System, the graphics workstation can be used for be reconstructed by the multi-path monitoring picture sent depending on networked server three-dimensional vertical Body picture, the device are located in the GIS-Geographic Information System, can specifically include:
Operation panel module 701, can be located at the GIS-Geographic Information System in and can be used for carrying out cursor translation, Cursor scroll operation；
Operation data generation module 702 can be located in the GIS-Geographic Information System, and can be used for according to the cursor Translation, cursor scroll operation and generate first operand evidence；
Format converting module 703 can be located in the GIS-Geographic Information System, and can be used for the first operand According to being converted into the second operational order, wherein second operational order uses the received instruction format of the graphics workstation；
Communication module 704 can be used for second operational order being based on ICP/IP protocol being sent to the figure work It stands；Second operational order is for triggering the graphics workstation according to second operational order for the 3 D stereo The operation that picture is zoomed in and out or translated relative to reference coordinate；Wherein, the reference coordinate is the 3 D stereo picture In some point three-dimensional coordinate.
In the present embodiment, operation panel module 701 can be understood as in GIS-Geographic Information System carried out for mouse it is flat It moves, the software panel of scroll operation.Operation data generation module 702 is communicatively coupled with operation panel module 701, is used for When the corresponding actions of mouse occur in operation panel module 701, operation data generation module 702 is immediately according to the corresponding of mouse Movement generates first operand evidence.Format converting module 703 and operation data generation module 702 communicate to connect, first operand After generation, format converting module 703 obtains the first operand according to and according to being pre-stored in target translation-protocol therein for the One operation data is converted into the format conversion instruction of graphics workstation use.Communication module 704 is communicated with format converting module 703 Second operational order is based on ICP/IP protocol and is sent to graphics workstation by connection, which preferably can be Websocket protocol.
As a preferred embodiment of the present application, as shown in figure 8, the format converting module may include:
Operation data acquisition submodule 801, for receiving the first operand evidence；
Translation-protocol sub-module stored 802, for storing preset translation-protocol, the translation-protocol includes multiple targets Translation-protocol；
Transform subblock 803, for determining that target turns according in the preset translation-protocol according to the first operand Agreement is changed, and the first operand evidence is converted into the second operational order according to the target translation-protocol.
In practice, target translation-protocol has multiple, each target translation-protocol corresponds to a kind of conversion function, for example, One of target translation-protocol can be by data conversion that cursor translation generates at three-dimensional stereograph in graphics workstation The translation in face instructs, can be by data conversion that cursor scroll operation generates at 3 D stereo picture in graphics workstation Zoom operations instruction.It may be implemented targetedly to convert in this way, and carry out translation and scroll operation simultaneously in cursor When, the data that can also orderly generate according to operation target translation-protocol to each operation convert, without data occur Caton phenomenon in conversion process.
The light that can will be carried out in GIS-Geographic Information System using the long-distance operating device of the real-time street view of the embodiment of the present application Mark translation, cursor the operations such as roll and be first converted into the receptible operational order format of graphics workstation, then will be formed after conversion Operational order is sent remotely to graphics workstation, graphics workstation receive execute after the operational order by 3 D stereo picture into Row translation or the operation of scaling.It solves in terms of video monitoring, checking monitoring picture and operation monitored picture can only pass through The technical issues of graphics workstation is operated has achieved the purpose that three-dimensional picture is remotely monitored and operated, has met User can remotely control graphics workstation and then reach the demand for carrying out long-range indirect operation to three-dimensional picture.
Example IV
As Fig. 9 shows a kind of long-distance operating device of real-time street view of the embodiment of the present application 4, the place of comparative examples 2 Reason method, described device can be applied to view networking in, it is described view networking may include view networked server, with the view networking Server can communicate the graphics workstation of connection, can communicate the geography information system of connection with the graphical Work System, the graphics workstation can be used for be reconstructed by the multi-path monitoring picture sent depending on networked server three-dimensional vertical Body picture, the device are located in graphics workstation, can specifically include:
Operational order obtains module 901, the second operational order sent for obtaining the GIS-Geographic Information System, and described the The instruction format that two operational orders use the graphics workstation to receive；Second operational order is by the GIS-Geographic Information System By first operand according to generating after being converted, the first operand evidence is by the GIS-Geographic Information System according in the geography The corresponding operating that occurs in information system and generate, the corresponding operating includes cursor translation, cursor scroll operation；
Screen operation module 902, for be directed to second operational order, execute by the 3 D stereo picture relative to The operation that reference coordinate is zoomed in and out or translated, wherein the reference coordinate is some point in the 3 D stereo picture Three-dimensional coordinate.
In the present embodiment, the second operational order may include action command and action data, and operational order obtains module 901 It can be communicated to connect with screen operation module 902, operational order obtains module 901 and receives the from GIS-Geographic Information System After two operational orders, the action command and action data in the second operational order are extracted, screen operation module 902 refers to according to movement Enable and determine that 3 D stereo picture is zoomed in and out or translated, according to action data determine the multiple that zooms in and out of 3 D stereo picture or The distance of translation.
It can receive what GIS-Geographic Information System was sent using the long-distance operating device of the real-time street view of the embodiment of the present application Operational order after conversion executes the behaviour that 3 D stereo picture is translated or scaled according to the operational order device Make.It solves in terms of video monitoring, checking monitoring picture and operation monitored picture can only be grasped by graphics workstation The technical issues of making has achieved the purpose that three-dimensional picture is remotely monitored and operated, and meeting user can long-range control figure Shape work station reaches the demand that long-range indirect operation is carried out to three-dimensional picture in turn.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple Place illustrates referring to the part of embodiment of the method.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiments of the present application may be provided as method, apparatus or calculating Machine program product.Therefore, the embodiment of the present application can be used complete hardware embodiment, complete software embodiment or combine software and The form of the embodiment of hardware aspect.Moreover, the embodiment of the present application can be used one or more wherein include computer can With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code The form of the computer program product of implementation.
The embodiment of the present application is referring to according to the method for the embodiment of the present application, terminal device (system) and computer program The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart And/or in one or more blocks of the block diagram specify function the step of.
Although preferred embodiments of the embodiments of the present application have been described, once a person skilled in the art knows bases This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as Including preferred embodiment and all change and modification within the scope of the embodiments of the present application.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
A kind of real-time street view to a kind of remote operation method of real-time street view provided herein and accordingly above Long-distance operating device is described in detail, and specific case used herein carries out the principle and embodiment of the application It illustrates, the description of the example is only used to help understand the method for the present application and its core ideas；Meanwhile for ability The those skilled in the art in domain, according to the thought of the application, there will be changes in the specific implementation manner and application range, comprehensive Upper described, the contents of this specification should not be construed as limiting the present application.

Claims (10)

1. a kind of remote operation method of real-time street view, which is characterized in that the method is applied in view networking, the view networking Including regarding networked server, the view networked server is also communicated to connect with graphics workstation, and the graphics workstation is used for will The multi-path monitoring picture sent depending on networked server carries out being reconstructed into 3 D stereo picture, and the graphics workstation is also based on ICP/IP protocol is established telecommunication with GIS-Geographic Information System and is connect, and the method includes:
The GIS-Geographic Information System generates first operand evidence, and the first operand in the GIS-Geographic Information System according to by sending out Raw corresponding operating and generate, the corresponding operating includes cursor translation, cursor scroll operation；
The GIS-Geographic Information System uses the first operand according to the second operational order, second operational order is converted into The instruction format that the graphics workstation receives；
Second operational order is sent to the graphics workstation by the GIS-Geographic Information System, and the graphics workstation is also used In being directed to second operational order, the 3 D stereo picture is zoomed in and out or translated relative to reference coordinate；Wherein, The reference coordinate is the three-dimensional coordinate of some point in the 3 D stereo picture.
2. the method according to claim 1, wherein the first operand is according to including the first action identification, the One movement numerical value, first action identification are the mark of the cursor translation and the cursor scroll operation, described the One movement numerical value includes the translation distance of the cursor translation and the rolling week number of the cursor scroll operation.
3. according to the method described in claim 2, it is characterized in that, first operand evidence is converted by the GIS-Geographic Information System The step of second operational order, comprising:
The GIS-Geographic Information System obtains first action identification in from the first operand；
The GIS-Geographic Information System determines target translation-protocol for first action identification in preset translation-protocol；
The first operand evidence is converted into the second operational order according to the target translation-protocol by the GIS-Geographic Information System, Second operational order includes the second action command, second operand value, and second action command includes corresponding to described The translation of cursor translation instructs, and, it is instructed corresponding to the scaling of the cursor scroll operation, the second operand value Translation distance data including corresponding to the translation distance, and, corresponding to the scaling multiple data for rolling all numbers.
4. a kind of remote operation method of real-time street view, which is characterized in that the method is applied in view networking, the view networking Including regarding networked server, the view networked server is also communicated to connect with graphics workstation, and the graphics workstation is used for will The multi-path monitoring picture sent depending on networked server carries out being reconstructed into 3 D stereo picture, and the graphics workstation is also based on ICP/IP protocol is established telecommunication with GIS-Geographic Information System and is connect, and the method includes:
The graphics workstation receives the second operational order that the GIS-Geographic Information System is sent, and second operational order uses The instruction format that the graphics workstation receives；Second operational order is by the GIS-Geographic Information System by first operand evidence It is generated after being converted, the first operand occurs in the GIS-Geographic Information System according to by the GIS-Geographic Information System foundation Corresponding operating and generate, the corresponding operating includes cursor translation, cursor scroll operation；
The graphics workstation is directed to second operational order, and the 3 D stereo picture is contracted relative to reference coordinate It puts or translates；Wherein, the reference coordinate is the three-dimensional coordinate of some point in the 3 D stereo picture.
5. according to the method described in claim 4, it is characterized in that, the first operand is according to including the first action identification, the One movement numerical value, first action identification are the mark of the cursor translation and the cursor scroll operation, described the One movement numerical value includes the translation distance of the cursor translation and the rolling week number of the cursor scroll operation.
6. according to the method described in claim 5, it is characterized in that, second operational order includes the second action command, the Two operand values, second action command include the translation instruction corresponding to the cursor translation, and, correspond to institute The scaling instruction of cursor scroll operation is stated, the second operand value includes the translation distance number corresponding to the translation distance According to, and, corresponding to the scaling multiple data for rolling all numbers.
7. according to the method described in claim 6, it is characterized in that, the graphics workstation be directed to second operational order, The step of 3 D stereo picture is zoomed in and out or is translated relative to reference coordinate, comprising:
The graphics workstation extracts second action command and the second operand value from second operational order；
The graphics workstation extracts translation instruction from second action command and the scaling instructs, from described the The translation distance data and the scaling multiple data are extracted in two operand values；
The graphics workstation is instructed for the translation, by the 3 D stereo picture relative to the reference coordinate according to institute Translation distance data are stated to be translated；
The graphics workstation is instructed for the scaling, by the 3 D stereo picture relative to the reference coordinate according to institute Scaling multiple data are stated to zoom in and out.
8. a kind of long-distance operating device of real-time street view, which is characterized in that described device is applied in view networking, the view networking Including regarding networked server, the graphics workstation communicated to connect with the view networked server, with the graphical Work communication link The GIS-Geographic Information System connect, the graphics workstation are used to the multi-path monitoring picture sent depending on networked server carrying out weight 3 D stereo picture is built up, described device is located in the GIS-Geographic Information System, comprising:
Operation panel module, for carrying out cursor translation, cursor scroll operation；
Operation data generation module, for generating first operand evidence according to the cursor translation, cursor scroll operation；
Format converting module, for the first operand evidence to be converted into the second operational order, wherein second operation refers to It enables and uses the received instruction format of the graphics workstation；
Communication module is sent to the graphics workstation for second operational order to be based on ICP/IP protocol；Described Two operational orders for trigger the graphics workstation according to second operational order by the 3 D stereo picture relative to The operation that reference coordinate is zoomed in and out or translated；Wherein, the reference coordinate is some point in the 3 D stereo picture Three-dimensional coordinate.
9. device according to claim 8, which is characterized in that the format converting module includes:
Operation data acquisition submodule, for receiving the first operand evidence；
Translation-protocol sub-module stored, for storing preset translation-protocol, the translation-protocol includes multiple target conversions association View；
Transform subblock, for being assisted according to the first operand according to target conversion determining in the preset translation-protocol View, and the first operand evidence is converted into the second operational order according to the target translation-protocol.
10. a kind of long-distance operating device of real-time street view, which is characterized in that described device is applied in view networking, the view connection Net includes view networked server, and the graphics workstation with the view networked server communication connection is communicated with the graphical Work The GIS-Geographic Information System of connection, the graphics workstation are used to carry out in the multi-path monitoring picture that the view networked server is sent It is reconstructed into 3 D stereo picture, described device is located in the graphics workstation, comprising:
Operational order obtains module, the second operational order sent for obtaining the GIS-Geographic Information System, second operation The instruction format that instruction is received using the graphics workstation；Second operational order is by the GIS-Geographic Information System by first Operation data generates after being converted, and the first operand evidence is by the GIS-Geographic Information System according in the geography information system The corresponding operating that occurs in system and generate, the corresponding operating includes cursor translation, cursor scroll operation；
Screen operation module executes for being directed to second operational order and sits the 3 D stereo picture relative to benchmark Mark the operation for zooming in and out or translating, wherein the reference coordinate is the three-dimensional of some point in the 3 D stereo picture Coordinate.
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