WO2017076019A1 - 导航图像显示方法及装置 - Google Patents

导航图像显示方法及装置 Download PDF

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Publication number
WO2017076019A1
WO2017076019A1 PCT/CN2016/087649 CN2016087649W WO2017076019A1 WO 2017076019 A1 WO2017076019 A1 WO 2017076019A1 CN 2016087649 W CN2016087649 W CN 2016087649W WO 2017076019 A1 WO2017076019 A1 WO 2017076019A1
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navigation
image
display
navigation image
path
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PCT/CN2016/087649
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English (en)
French (fr)
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赵静
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百度在线网络技术（北京）有限公司
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Publication of WO2017076019A1 publication Critical patent/WO2017076019A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00

Definitions

  • the present application relates to the field of positioning technologies, and in particular, to the field of navigation and positioning technologies, and in particular, to a navigation image display method and apparatus.
  • Navigation positioning is a service that is often used when going out. Navigation positioning is usually achieved through the navigation and positioning functions of the terminal. When the navigation is positioned, the screen of the terminal is always kept lit, the positioning data of the network is acquired in real time, and the positioning data is displayed on the navigation map.
  • navigation and positioning is a continuous process. Each position change of the user will generate positioning data through the network, and then the data will be sent to the terminal for display through the network.
  • the navigation and positioning process not every positioning data is necessary. Usually, the user only needs to obtain the positioning data in some uncertain positions. Therefore, the existing navigation positioning wastes a large amount of network data; Navigation positioning requires the terminal to remain lit, which greatly consumes the power of the terminal.
  • the present application provides a navigation image display method and apparatus to solve the technical problems mentioned in the background art.
  • the present application provides a navigation image display method, the method comprising: acquiring a departure point coordinate and an end point coordinate; generating a navigation path according to the departure point coordinate and the end point coordinate; determining a navigation initial image according to the navigation path;
  • the display area information of the screen converts the navigation initial image into a navigation image; according to the state of the terminal screen The information displays the navigation image.
  • the determining the navigation initial image according to the navigation path comprises: acquiring a longitude coordinate region and a latitude coordinate region corresponding to the navigation path; determining a path rectangle according to the longitude coordinate region and the latitude coordinate region; The geometric center of the path rectangle is a midpoint, and the path rectangle is enlarged according to a set ratio to obtain a road network rectangle, and the map image covered by the road network rectangle is used as a navigation initial image.
  • the display area information includes display size information and/or display resolution information; and the converting the navigation initial image into a navigation image according to display area information of the terminal screen, including: according to the display The navigation information is scaled to obtain a navigation image by size information and/or display resolution information. .
  • the displaying the navigation image according to the state information of the terminal screen comprises: if the display state information of the terminal screen is a screen lighting state, displaying the navigation image; if the display state information of the terminal screen In the screen lock screen state, the navigation image is displayed on the screen lock screen interface.
  • the displaying the navigation image on the screen lock screen interface comprises: acquiring the navigation image; and navigating the navigation image by using a set drawing option, where the drawing options include the following At least one of the color options and line options; display the rendered navigation image.
  • the displaying the navigation image according to the state information of the terminal screen further comprises: displaying the navigation image according to the placement state information of the terminal screen.
  • the present application provides a navigation image display device, the device includes: a coordinate acquiring unit, configured to acquire a starting point coordinate and an ending point coordinate; and a navigation path generating unit configured to generate a navigation according to the starting point coordinate and the ending point coordinate a navigation initial image determining unit, configured to determine a navigation initial image according to the navigation path; a navigation image acquiring unit, configured to convert the navigation initial image into a navigation image according to display area information of the terminal screen; and a navigation image display unit, And for displaying the navigation image according to status information of the terminal screen.
  • the navigation initial image determining unit includes: a coordinate region acquiring subunit, configured to acquire a longitude coordinate region and a latitude coordinate region corresponding to the navigation path; and a path rectangle acquiring subunit, according to the Longitude coordinate area and latitude coordinate The area is determined by the path rectangle; the navigation initial image acquisition subunit is configured to use the geometric center of the path rectangle as a midpoint, and the path rectangle is enlarged according to a set ratio to obtain a road network rectangle, and the road network rectangle is covered by the map.
  • the image serves as the initial image for navigation.
  • the navigation image acquiring unit includes: a display size information sub-unit, configured to acquire display size information and/or display resolution information of the terminal screen display area information; and a navigation image acquisition subunit, configured to The display size information and/or display resolution information scales the navigation initial image to obtain a navigation image.
  • the navigation image display unit includes: a display state determination subunit, configured to display the navigation image when the display state information of the terminal screen is a screen lighting state, in a display state of the terminal screen When the information is in the screen lock screen state, the navigation image is displayed on the screen lock screen interface.
  • the display determining subunit includes: a navigation image acquiring module, configured to acquire the navigation image; and a navigation path drawing module, configured to perform a navigation path on the navigation image by using a set drawing option, At least one of the drawing options: including color options and line options;
  • a display module for displaying the drawn navigation image.
  • the navigation image display unit further includes: a placement state determination sub-unit for displaying the navigation image according to the placement state information of the terminal screen.
  • the navigation image display method and device provided by the present application firstly generate a navigation path according to the coordinates of the starting point and the coordinates of the end point, thereby obtaining a navigation initial image, and obtaining a navigation image based on the real area information of the terminal screen based on the initial image of the navigation, and finally The status information of the terminal screen displays the navigation image, so that the navigation image can display the navigation image according to each state of the terminal screen, thereby saving power of the terminal.
  • FIG. 1 is an exemplary system architecture diagram to which the present application can be applied;
  • FIG. 2a is a flow chart of one embodiment of a navigation image display method according to the present application.
  • Figure 2b is a representation of the navigation initial image determined according to the navigation path of Figure 2a Flow chart of the current mode
  • FIG. 2c is a flowchart of an implementation manner of displaying the navigation image according to status information of a terminal screen in FIG. 2a;
  • FIG. 3a is a schematic structural diagram of an embodiment of a navigation image display device according to the present application.
  • FIG. 3b is a schematic structural diagram of an embodiment of the navigation initial image determining unit 303 in FIG. 3a;
  • FIG. 3c is a schematic structural diagram of an embodiment of the navigation image display unit 305 of FIG. 3a;
  • FIG. 4 is a schematic structural diagram of a computer system suitable for implementing a terminal device or a server of an embodiment of the present application.
  • FIG. 1 illustrates an exemplary system architecture 100 of an embodiment of a navigation image display method and apparatus to which the present application may be applied.
  • system architecture 100 can include terminal devices 101, 102, 103, network 104, and server 105.
  • the network 104 is used to provide a medium for communication links between the terminal devices 101, 102, 103 and the server 105.
  • Network 104 may include various types of connections, such as wired, wireless communication links, fiber optic cables, and the like.
  • the user can interact with the server 105 over the network 104 using the terminal devices 101, 102, 103 to receive or transmit messages and the like.
  • Various communication client applications such as a navigation application, a map application, a web browser application, a search application, a location query software, and the like, may be installed on the terminal devices 101, 102, and 103.
  • the terminal devices 101, 102, 103 may be various electronic devices having a display screen and supporting information input and navigation, including but not limited to smartphones, tablets, laptop portable computers, desktop computers, and the like.
  • the server 105 may be a server that provides various services, such as a navigation server that provides navigation support for the departure point coordinates and the end point coordinates acquired by the terminal devices 101, 102, 103.
  • the navigation device can receive the coordinates of the departure point and the end point sent by the terminal devices 101, 102, and 103, analyze the coordinates of the departure point and the coordinates of the end point, and feed back the processing result (for example, the positioning data corresponding to the coordinates of the departure point and the coordinates of the end point) to the terminal. device.
  • the navigation image display method provided by the embodiment of the present application is generally performed by the terminal devices 101, 102, and 103. Accordingly, the navigation image display device is generally disposed in the terminal devices 101, 102, and 103.
  • terminal devices, networks, and servers in Figure 1 is merely illustrative. Depending on the implementation needs, there can be any number of terminal devices, networks, and servers.
  • a flowchart 200 of one embodiment of a navigation image display method is illustrated that includes the following steps:
  • Step 201 Obtain a starting point coordinate and an ending point coordinate.
  • the electronic device (for example, the terminal device 101, 102, 103 of FIG. 1) on which the navigation image display method runs transmits the acquired departure point coordinates and the end point coordinates to the navigation device (for example, the server 105 of FIG. 1). ).
  • the electronic device may be a device with a navigation module (such as a GPS module) such as a smart phone or a smart tablet; the navigation device may be a device capable of providing positioning information, such as a map server and a navigation server.
  • Step 202 Generate a navigation path according to the starting point coordinates and the ending point coordinates.
  • the navigation device After receiving the coordinates of the departure point and the coordinates of the end point, the navigation device performs positioning on the map according to the coordinates of the departure point and the coordinates of the end point, and transmits the positioning data to the terminal; the terminal generates a navigation path from the coordinates of the departure point to the coordinates of the end point according to the positioning data.
  • the navigation path can be regenerated according to the real-time location of the terminal.
  • Step 203 Determine a navigation initial image according to the navigation path.
  • step 202 there are multiple navigation paths.
  • the navigation paths are planned according to actual routes. Therefore, the navigation paths are mostly irregular curves.
  • all navigation is required. The path is displayed reasonably.
  • step 203 may include the following steps:
  • Step 2031 Acquire a longitude coordinate area and a latitude coordinate area corresponding to the navigation path.
  • the navigation path is mostly a curve and is composed of a plurality of points. Therefore, the longitude coordinate and the latitude coordinate of each point can be acquired, and then the longitude coordinate area and the latitude coordinate area of the navigation path are obtained by the longitude coordinate and the latitude coordinate of all the points.
  • Step 2032 determining a path rectangle according to the longitude coordinate area and the latitude coordinate area.
  • the screen of the terminal is usually a rectangle.
  • a rectangle may be determined by the boundary value of the longitude coordinate area of each navigation path and the boundary value of the latitude coordinate area, and used to represent the display area occupied by the navigation path;
  • the corresponding rectangles are superimposed to obtain a path rectangle containing all rectangles.
  • the path rectangle is determined according to the boundary value of the longitude coordinate region of all navigation paths and the boundary value of the latitude coordinate region, that is, the path rectangle contains exactly all the rectangles.
  • step 2033 the geometric center of the path rectangle is taken as a midpoint, and the path rectangle is enlarged according to a set ratio to obtain a road network rectangle, and the map image covered by the road network rectangle is used as a navigation initial image.
  • the path rectangle obtained in step 2032 can only partially display the image around the coordinates of the departure point and the coordinates of the end point.
  • the path rectangle can be appropriately enlarged, so that the enlarged rectangular image includes the image around the coordinates of the departure point and the coordinates of the end point.
  • a method of amplifying the geometric center of the path rectangle as a midpoint can be employed.
  • the enlarged path rectangle is used as a road network rectangle, and the map image covered by the road network rectangle is used as the navigation initial image.
  • the path rectangle is enlarged by 10% (or other values) to obtain a road network rectangle or the like.
  • Step 204 Convert the navigation initial image into a navigation image according to display area information of the terminal screen.
  • the navigation initial image is obtained according to the navigation path.
  • the navigation initial image needs to be adjusted.
  • step 204 may further include: displaying
  • the display area information may further include display size information and/or display resolution information;
  • the display resolution information can affect the display effect of the navigation image to a certain extent.
  • the converting the navigation initial image into a navigation image according to the display area information of the terminal screen includes: scaling the navigation initial image according to the display size information and/or display resolution information, and obtaining navigation image.
  • Step 205 Display the navigation image according to status information of the terminal screen.
  • the status information of the terminal screen usually includes a lighting state and a lock screen state.
  • the navigation image is displayed differently for different states.
  • the navigation image is displayed. At this time, the navigation image is the same as the common navigation image, and the real-time dynamic display is performed. .
  • the navigation image is displayed on the screen lock screen interface.
  • the purpose of displaying the navigation image can also be obtained on the lock screen interface of the screen lock screen. Since the terminal screen is in the lock screen state, this greatly reduces the power consumption of the terminal. At this point, the navigation image can be properly processed to meet the needs of the lock screen interface.
  • displaying the navigation image on the screen lock screen interface includes the following steps:
  • Step 2051 Acquire the navigation image.
  • the user queries the navigation image when the terminal screen is in the locked state, usually because the user needs to query the navigation information of the current time. Therefore, the real-time navigation image is acquired at this time. Since the network data is not displayed during the screen lock screen, the display of the navigation image on the screen lock screen greatly saves the network traffic and saves the processing of the terminal. ability.
  • Step 2052 Perform navigation path drawing on the navigation image by using a set drawing option, the drawing option being at least one of the following: including a color option and a line option.
  • the display function of the screen is usually not fully tuned, and the performance of the effect display or information processing is not high. Therefore, the navigation path can be highlighted, such as rendering the navigation path with a striking color on the navigation image, or thickening the navigation path with a thick line, and can also be highlighted by other means, here No longer.
  • Step 2053 displaying the drawn navigation image.
  • the drawn navigation image When the drawn navigation image is displayed, the drawn navigation image can be directly used, and the drawn navigation image can be screenshotd, and the screenshot is displayed on the lock screen interface.
  • the status information of the terminal screen may further include the placement status information of the terminal screen, such as the terminal screen being placed horizontally or vertically, and the horizontally placed or vertically placed may be passed through a device such as a gyroscope. Test. Accordingly, the navigation image should also be adjusted based on the placement status information. Therefore, the displaying the navigation image according to the state information of the terminal screen further includes displaying the navigation image according to the placement state information of the terminal screen.
  • the navigation path is first generated according to the coordinates of the starting point and the coordinates of the end point, and then the navigation initial image is obtained.
  • the navigation image is obtained by combining the real area information of the terminal screen, and finally according to the state information of the terminal screen.
  • the navigation image is displayed such that the navigation image can display the navigation image according to various states of the terminal screen, thereby saving power of the terminal.
  • the present application provides an embodiment of a navigation image display device, the device embodiment corresponding to the method embodiment shown in FIG. 2a, the device specific Can be applied to a variety of electronic devices.
  • the navigation image display device 300 of the present embodiment includes a coordinate acquisition unit 301, a navigation path generation unit 302, a navigation initial image determination unit 303, a navigation image acquisition unit 304, and a navigation image display unit 305.
  • the coordinate acquiring unit 301 is configured to acquire a starting point coordinate and an ending point coordinate;
  • the navigation path generating unit 302 is configured to generate a navigation path according to the starting point coordinate and the ending point coordinate;
  • the navigation initial image determining unit 303 is configured to determine a navigation initial according to the navigation path.
  • the navigation image acquisition unit 304 is configured to convert the navigation initial image into a navigation image according to the display area information of the terminal screen;
  • the navigation image display unit 305 is configured to display the navigation image according to the state information of the terminal screen.
  • the navigation initial image determining unit 303 of the navigation image display device 300 may further include a coordinate region acquisition sub-unit 3031, a path rectangle acquisition sub-unit 3032, and a navigation initial image acquisition sub-unit 3033.
  • the sub-unit 3031 is configured to acquire a longitude coordinate area and a latitude coordinate area corresponding to the navigation path; the path rectangle acquisition sub-unit 3032 is configured to determine a path rectangle according to the longitude coordinate area and the latitude coordinate area; and the navigation initial image acquisition subunit 3033 is configured to use the geometric center of the path rectangle as a midpoint, enlarge the path rectangle by a set ratio to obtain a road network rectangle, and use the map image covered by the road network rectangle as a navigation initial image.
  • the navigation image acquisition unit 304 of the navigation image display device 300 may further include a display size information sub-unit (not shown) and a navigation image acquisition sub-unit (not shown).
  • the display size information subunit is configured to acquire display size information and/or display resolution information of the terminal screen display area information; the navigation image acquisition subunit is configured to use the display size information and/or the display resolution information to The navigation initial image is scaled to obtain a navigation image.
  • the navigation image display unit 305 of the navigation image display device 300 may include: a display state determination subunit (not shown) for displaying when the display state information of the terminal screen is the screen lighting state.
  • the navigation image when the display state information of the terminal screen is the screen lock screen state, displaying the navigation image on the screen lock screen interface.
  • the display determining subunit may further include: a navigation image acquiring module 3051, a navigation path drawing module 3052, and a display module 3053.
  • the navigation image acquiring module 3051 is configured to acquire the navigation image;
  • the navigation path drawing module 3052 is configured to perform navigation path drawing on the navigation image by using a set drawing option, where the drawing option is at least one of the following: Color options and line options;
  • display module 3053 is used to display the drawn navigation image.
  • the navigation image display unit 305 of the navigation image display device 300 may further include: a placement state determination sub-unit (not shown) for displaying the navigation image according to the placement state information of the terminal screen.
  • FIG. 4 there is shown a block diagram of a computer system 400 suitable for use in implementing a server of an embodiment of the present application.
  • computer system 400 includes a central processing unit (CPU) 401 that can be loaded into a program in random access memory (RAM) 403 according to a program stored in read only memory (ROM) 402 or from storage portion 408. And perform various appropriate actions And processing.
  • RAM random access memory
  • ROM read only memory
  • RAM 403 various programs and data required for the operation of the system 400 are also stored.
  • the CPU 401, the ROM 402, and the RAM 403 are connected to each other through a bus 404.
  • An input/output (I/O) interface 405 is also coupled to bus 404.
  • the following components are connected to the I/O interface 405: an input portion 406 including a keyboard, a mouse, etc.; an output portion 407 including a cathode ray tube (CRT), a liquid crystal display (LCD), and the like, and a storage portion 408 including a hard disk or the like. And a communication portion 409 including a network interface card such as a LAN card, a modem, or the like. The communication section 409 performs communication processing via a network such as the Internet.
  • Driver 410 is also coupled to I/O interface 405 as needed.
  • a removable medium 411 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory or the like is mounted on the drive 410 as needed so that a computer program read therefrom is installed into the storage portion 408 as needed.
  • embodiments of the present disclosure include a computer program product comprising a computer program tangibly embodied on a machine readable medium, the computer program comprising program code for executing the method illustrated in the flowchart.
  • the computer program can be downloaded and installed from the network via the communication portion 409, and/or installed from the removable medium 411.
  • each block of the flowchart or block diagrams can represent a module, a program segment, or a portion of code that includes one or more Executable instructions.
  • the functions noted in the blocks may also occur in a different order than that illustrated in the drawings. For example, two successively represented blocks may in fact be executed substantially in parallel, and they may sometimes be executed in the reverse order, depending upon the functionality involved.
  • each block of the block diagrams and/or flowcharts, and combinations of blocks in the block diagrams and/or flowcharts can be implemented in a dedicated hardware-based system that performs the specified function or operation. Or it can be implemented by a combination of dedicated hardware and computer instructions.
  • the units involved in the embodiments of the present application may be implemented by software or by hardware.
  • the described unit can also be set to handle In the device, for example, it may be described that a processor includes a behavior coordinate acquiring unit, a navigation path generating unit, a navigation initial image determining unit, a navigation image acquiring unit, and a navigation image display unit.
  • the names of these units do not in any way constitute a limitation on the unit itself.
  • the coordinate acquisition unit may also be described as "a unit for acquiring terminal coordinate information.”
  • the present application further provides a non-volatile computer storage medium, which may be a non-volatile computer storage medium included in the foregoing apparatus in the foregoing embodiment; It is a non-volatile computer storage medium that exists alone and is not assembled into the terminal.
  • the non-volatile computer storage medium stores one or more programs.
  • the device When the one or more programs are executed by a device, the device is configured to: acquire start point coordinates and end point coordinates; and generate navigation according to the start point coordinates and the end point coordinates. a path; determining a navigation initial image according to the navigation path; converting the navigation initial image into a navigation image according to display area information of the terminal screen; and displaying the navigation image according to status information of the terminal screen.

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  • Automation & Control Theory (AREA)
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Abstract

一种导航图像显示方法及装置，所述方法包括：获取出发点坐标和终点坐标（201）；根据所述出发点坐标和终点坐标生成导航路径（202）；根据所述导航路径确定导航初始图像（203）；根据终端屏幕的显示区域信息将所述导航初始图像转换为导航图像（204）；根据终端屏幕的状态信息显示所述导航图像（205）。该方法根据出发点坐标和终点坐标生成导航路径，进而得到导航初始图像，在得到导航初始图像的基础上，结合终端屏幕的尺寸、显示分辨率等显示区域信息得到导航图像，最后根据屏幕点亮、屏幕锁屏、屏幕放置状态等终端屏幕状态信息显示导航图像，使得导航图像能够根据终端屏幕的各个状态显示导航图像，节约了终端的电能。

Description

导航图像显示方法及装置
相关申请的交叉引用
本申请要求于2015年11月06日提交的中国专利申请号为“201510752467.6”的优先权，其全部内容作为整体并入本申请中。
技术领域
本申请涉及定位技术领域，具体涉及导航定位技术领域，尤其涉及导航图像显示方法及装置。
背景技术
导航定位是外出时经常用到的服务，导航定位通常通过终端的导航定位功能实现。导航定位时，终端的屏幕始终保持点亮状态，实时获取网络的定位数据，并将定位数据显示在导航地图上。
但导航定位是一个连续的过程，用户的每个位置变化都会通过网络生成定位数据，然后定位数据再通过网络发送至终端上显示。但在导航定位过程中，并不是每一个定位数据都是必须的，通常用户只在某些不确定的位置才需要获取定位数据，因此，现有的导航定位浪费了大量的网络数据；同时，导航定位需要终端保持点亮状态，这就极大地消耗量终端的电量。
发明内容
本申请提供了导航图像显示方法及装置，以解决背景技术中提到的技术问题。
一方面，本申请提供了一种导航图像显示方法，所述方法包括：获取出发点坐标和终点坐标；根据所述出发点坐标和终点坐标生成导航路径；根据所述导航路径确定导航初始图像；根据终端屏幕的显示区域信息将所述导航初始图像转换为导航图像；根据终端屏幕的状态 信息显示所述导航图像。
在一些实施例中，所述根据所述导航路径确定导航初始图像包括：获取所述导航路径所对应的经度坐标区域和纬度坐标区域；根据所述经度坐标区域和纬度坐标区域确定路径矩形；以所述路径矩形的几何中心为中点，将所述路径矩形按设定比例放大得到路网矩形，将所述路网矩形覆盖的地图图像作为导航初始图像。
在一些实施例中，所述显示区域信息包括显示尺寸信息和/或显示分辨率信息；以及所述根据终端屏幕的显示区域信息将所述导航初始图像转换为导航图像，包括：根据所述显示尺寸信息和/或显示分辨率信息对所述导航初始图像进行比例缩放得到导航图像。。
在一些实施例中，所述根据终端屏幕的状态信息显示所述导航图像包括：若终端屏幕的显示状态信息为屏幕点亮状态，则显示所述导航图像；若所述终端屏幕的显示状态信息为屏幕锁屏状态，则在屏幕锁屏界面上显示所述导航图像。
在一些实施例中，所述在屏幕锁屏界面上显示所述导航图像包括：获取所述导航图像；通过设定的绘图选项对所述导航图像进行导航路径绘制，所述绘图选项包括以下中的至少一项：颜色选项和线条选项；对绘制后的导航图像进行显示。
在一些实施例中，所述根据终端屏幕的状态信息显示所述导航图像还包括：根据终端屏幕的放置状态信息显示所述导航图像。
第二方面，本申请提供了一种导航图像显示装置，所述装置包括：坐标获取单元，用于获取出发点坐标和终点坐标；导航路径生成单元，用于根据所述出发点坐标和终点坐标生成导航路径；导航初始图像确定单元，用于根据所述导航路径确定导航初始图像；导航图像获取单元，用于根据终端屏幕的显示区域信息将所述导航初始图像转换为导航图像；导航图像显示单元，用于根据终端屏幕的状态信息显示所述导航图像。
在一些实施例中，所述导航初始图像确定单元包括：坐标区域获取子单元，用于获取所述导航路径所对应的经度坐标区域和纬度坐标区域；路径矩形获取子单元，用于根据所述经度坐标区域和纬度坐标 区域确定路径矩形；导航初始图像获取子单元，用于以所述路径矩形的几何中心为中点，将所述路径矩形按设定比例放大得到路网矩形，将所述路网矩形覆盖的地图图像作为导航初始图像。
在一些实施例中，所述导航图像获取单元包括：显示尺寸信息子单元，用于获取终端屏幕显示区域信息的显示尺寸信息和/或显示分辨率信息；导航图像获取子单元，用于根据所述显示尺寸信息和/或显示分辨率信息对所述导航初始图像进行比例缩放得到导航图像。
在一些实施例中，所述导航图像显示单元包括：显示状态判断子单元，用于在终端屏幕的显示状态信息为屏幕点亮状态时，显示所述导航图像，在所述终端屏幕的显示状态信息为屏幕锁屏状态时，在屏幕锁屏界面上显示所述导航图像。
在一些实施例中，所述显示判断子单元包括：导航图像获取模块，用于获取所述导航图像；导航路径绘制模块，用于通过设定的绘图选项对所述导航图像进行导航路径绘制，所述绘图选项以下中的至少一项：包括颜色选项和线条选项；
显示模块，用于对绘制后的导航图像进行显示。
在一些实施例中，所述导航图像显示单元还包括：放置状态判断子单元，用于根据终端屏幕的放置状态信息显示所述导航图像。
本申请提供的导航图像显示方法及装置，首先根据出发点坐标和终点坐标生成导航路径，进而得到导航初始图像，在得到导航初始图像的基础上，结合终端屏幕的现实区域信息得到导航图像，最后根据终端屏幕的状态信息显示导航图像，使得导航图像能够根据终端屏幕的各个状态显示导航图像，节约了终端的电能。
附图说明
通过阅读参照以下附图所作的对非限制性实施例所作的详细描述，本申请的其它特征、目的和优点将会变得更明显：
图1是本申请可以应用于其中的示例性***架构图；
图2a是根据本申请的导航图像显示方法的一个实施例的流程图；
图2b是图2a中的根据所述导航路径确定导航初始图像的一种实 现方式的流程图；
图2c是图2a中的根据终端屏幕的状态信息显示所述导航图像的一种实现方式的流程图；
图3a是根据本申请的导航图像显示装置的一个实施例的结构示意图；
图3b是图3a中的导航初始图像确定单元303的一个实施例的结构示意图；
图3c是图3a中的导航图像显示单元305的一个实施例的结构示意图；
图4是适于用来实现本申请实施例的终端设备或服务器的计算机***的结构示意图。
具体实施方式
下面结合附图和实施例对本申请作进一步的详细说明。可以理解的是，此处所描述的具体实施例仅仅用于解释相关发明，而非对该发明的限定。另外还需要说明的是，为了便于描述，附图中仅示出了与有关发明相关的部分。
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本申请。
图1示出了可以应用本申请的导航图像显示方法及装置的实施例的示例性***架构100。
如图1所示，***架构100可以包括终端设备101、102、103，网络104和服务器105。网络104用以在终端设备101、102、103和服务器105之间提供通信链路的介质。网络104可以包括各种连接类型，例如有线、无线通信链路或者光纤电缆等等。
用户可以使用终端设备101、102、103通过网络104与服务器105交互，以接收或发送消息等。终端设备101、102、103上可以安装有各种通讯客户端应用，例如导航类应用、地图类应用、网页浏览器应用、搜索类应用、位置查询软件等。
终端设备101、102、103可以是具有显示屏并且支持信息输入和导航的各种电子设备，包括但不限于智能手机、平板电脑、膝上型便携计算机和台式计算机等等。
服务器105可以是提供各种服务的服务器，例如对终端设备101、102、103获取的出发点坐标和终点坐标提供导航支持的导航用服务器。导航装置可以接收终端设备101、102、103发来的出发点坐标和终点坐标，对出发点坐标和终点坐标进行分析等处理，并将处理结果(例如出发点坐标和终点坐标对应的定位数据)反馈给终端设备。
需要说明的是，本申请实施例所提供的导航图像显示方法一般由终端设备101、102、103执行，相应地，导航图像显示装置一般设置于终端设备101、102、103中。
应该理解，图1中的终端设备、网络和服务器的数目仅仅是示意性的。根据实现需要，可以具有任意数目的终端设备、网络和服务器。
进一步参考图2a，其示出了导航图像显示方法的一个实施例的流程图200，该导航图像显示方法包括以下步骤：
步骤201，获取出发点坐标和终点坐标。
在本实施例中，导航图像显示方法运行于其上的电子设备(例如图1的终端设备101、102、103)将获取到的出发点坐标和终点坐标发送给导航设备(例如图1的服务器105)。其中，电子设备可以是智能手机、智能平板等具有导航模块(如GPS模块)的设备；导航设备可以是地图服务器、导航服务器等能够提供定位信息的设备。
步骤202，根据所述出发点坐标和终点坐标生成导航路径。
导航设备在接收到的出发点坐标和终点坐标后，根据出发点坐标和终点坐标在地图上进行定位，并将定位数据发送给终端；终端根据定位数据生成从出发点坐标到终点坐标导航路径。通常情况下，导航路径为多条，并且，导航路径可以根据终端的实时位置重新生成。
步骤203，根据所述导航路径确定导航初始图像。
由步骤202的描述可知，导航路径为多条，通常情况下，导航路径都是根据实际的路线进行规划的，因此，导航路径多是不规则的曲线。为了将全部的导航路径显示在终端的屏幕上，需要对全部的导航 路径进行合理显示。
进一步参考图2b，在本实施例的一些可选的实现方式中，步骤203可以包括以下步骤：
步骤2031，获取所述导航路径所对应的经度坐标区域和纬度坐标区域。
导航路径多为曲线，并且由多个点构成，因此，可以获取每个点的经度坐标和纬度坐标，进而通过全部点的经度坐标和纬度坐标得到该导航路径的经度坐标区域和纬度坐标区域。
步骤2032，根据所述经度坐标区域和纬度坐标区域确定路径矩形。
终端的屏幕通常为矩形，为此，可以通过每条导航路径的经度坐标区域的边界值和纬度坐标区域的边界值确定出一个矩形，用于表征该导航路径占用的显示区域；将全部导航路径对应的矩形叠加在一起，能够得到一个包含全部矩形的路径矩形，路径矩形根据全部导航路径的经度坐标区域的边界值和纬度坐标区域的边界值确定，即路径矩形正好包含了全部的矩形。
步骤2033，以所述路径矩形的几何中心为中点，将所述路径矩形按设定比例放大得到路网矩形，将所述路网矩形覆盖的地图图像作为导航初始图像。
此时，步骤2032得到的路径矩形只能部分地显示出发点坐标和终点坐标周围的图像，为此，可以对路径矩形进行适当放大，使得放大后的矩形图像包括出发点坐标和终点坐标周围的图像。可以采用以路径矩形的几何中心为中点进行放大的方法。将放大后的路径矩形作为路网矩形，并以路网矩形覆盖的地图图像作为导航初始图像。例如，将路径矩形放大10％(或其他取值)得到路网矩形等。
步骤204，根据终端屏幕的显示区域信息将所述导航初始图像转换为导航图像。
导航初始图像是根据导航路径得到的，为了使导航初始图像能够根据终端的屏幕进行合理显示，还需要对导航初始图像进行调整。
在本实施例的一些可选的实现方式中，步骤204还可以包括：显 示区域信息还可以包括显示尺寸信息和/或显示分辨率信息；。显示分辨率信息一定程度上能够影响导航图像的显示效果。此时，所述根据终端屏幕的显示区域信息将所述导航初始图像转换为导航图像，包括：根据所述显示尺寸信息和/或显示分辨率信息对所述导航初始图像进行比例缩放，得到导航图像。
步骤205，根据终端屏幕的状态信息显示所述导航图像。
终端屏幕的状态信息通常包括点亮状态和锁屏状态。针对不同的状态，导航图像的显示也不相同。
在本实施例的一些可选的实现方式中，若终端屏幕的显示状态信息为屏幕点亮状态，则显示所述导航图像，此时，导航图像和常用的导航图像相同，进行实时动态地显示。
若所述终端屏幕的显示状态信息为屏幕锁屏状态，则在屏幕锁屏界面上显示所述导航图像。这样就实现了在屏幕锁屏的锁屏界面上也能获显示导航图像的目的。由于终端屏幕处于锁屏状态，这就大大降低了终端的耗电量。此时，可对导航图像做适当处理，以满足锁屏界面的需要。
在本实施例的一些可选的实现方式中，进一步参考图2c，在屏幕锁屏界面上显示所述导航图像包括以下步骤：
步骤2051，获取所述导航图像。
用户在终端屏幕处于锁定状态时查询导航图像，通常是因为用户需要查询当前时刻的导航信息，因此，此时获取的是实时导航图像。由于是在锁屏界面时才显示，在屏幕锁屏期间都没有进行网络数据消耗，因此，本实施例在屏幕锁屏界面上显示所述导航图像极大地节约了网络流量，节省了终端的处理能力。
步骤2052，通过设定的绘图选项对所述导航图像进行导航路径绘制，所述绘图选项以下中的至少一项：包括颜色选项和线条选项。
锁屏界面下，屏幕的显示功能通常不能完全调动起来，效果显示或信息处理时性能不高。因此，可以通过对导航路径进行突出显示处理，如在导航图像上用醒目的颜色对导航路径进行渲染，或用粗线条对导航路径进行加粗，还可以通过其他方式进行突出显示处理，此处 不再赘述。
步骤2053，对绘制后的导航图像进行显示。
对绘制后的导航图像进行显示时可以直接采用绘制后的导航图像，还可以对绘制后的导航图像进行截图，将截图显示在锁屏界面上。
在本实施例的一些可选的实现方式中，终端屏幕的状态信息还可以包括终端屏幕的放置状态信息，如终端屏幕水平放置或竖直放置，水平放置或竖直放置可以通过陀螺仪等设备进行检测。相应地，导航图像也应该根据放置状态信息进行调整。因此，所述根据终端屏幕的状态信息显示所述导航图像还包括根据终端屏幕的放置状态信息显示所述导航图像。
在本实施例中，首先根据出发点坐标和终点坐标生成导航路径，进而得到导航初始图像，在得到导航初始图像的基础上，结合终端屏幕的现实区域信息得到导航图像，最后根据终端屏幕的状态信息显示导航图像，使得导航图像能够根据终端屏幕的各个状态显示导航图像，节约了终端的电能。
进一步参考图3a，作为对上述各图所示方法的实现，本申请提供了一种导航图像显示装置的一个实施例，该装置实施例与图2a所示的方法实施例相对应，该装置具体可以应用于各种电子设备中。
如图3a所示，本实施例所述的导航图像显示装置300包括：坐标获取单元301、导航路径生成单元302、导航初始图像确定单元303、导航图像获取单元304和导航图像显示单元305。其中，坐标获取单元301用于获取出发点坐标和终点坐标；导航路径生成单元302用于根据所述出发点坐标和终点坐标生成导航路径；导航初始图像确定单元303用于根据所述导航路径确定导航初始图像；导航图像获取单元304用于根据终端屏幕的显示区域信息将所述导航初始图像转换为导航图像；导航图像显示单元305用于根据终端屏幕的状态信息显示所述导航图像。
在本实施例中，如图3b所示，导航图像显示装置300的导航初始图像确定单元303还可以包括坐标区域获取子单元3031、路径矩形获取子单元3032和导航初始图像获取子单元3033。其中，坐标区域获 取子单元3031用于获取所述导航路径所对应的经度坐标区域和纬度坐标区域；路径矩形获取子单元3032用于根据所述经度坐标区域和纬度坐标区域确定路径矩形；导航初始图像获取子单元3033用于以所述路径矩形的几何中心为中点，将所述路径矩形按设定比例放大得到路网矩形，将所述路网矩形覆盖的地图图像作为导航初始图像。
在本实施例中，导航图像显示装置300的导航图像获取单元304还可以包括显示尺寸信息子单元(图中未示出)和导航图像获取子单元(图中未示出)。其中，显示尺寸信息子单元用于获取终端屏幕显示区域信息的显示尺寸信息和/或显示分辨率信息；导航图像获取子单元用于根据所述显示尺寸信息和/或显示分辨率信息对所述导航初始图像进行比例缩放得到导航图像。
在本实施例中，导航图像显示装置300的导航图像显示单元305可以包括：显示状态判断子单元(图中未示出)，用于在终端屏幕的显示状态信息为屏幕点亮状态时，显示所述导航图像；在若所述终端屏幕的显示状态信息为屏幕锁屏状态时，在屏幕锁屏界面上显示所述导航图像。
在本实施例中，如图3c所示，显示判断子单元还可以包括：导航图像获取模块3051、导航路径绘制模块3052和显示模块3053。其中，导航图像获取模块3051用于获取所述导航图像；导航路径绘制模块3052用于通过设定的绘图选项对所述导航图像进行导航路径绘制，所述绘图选项以下中的至少一项：包括颜色选项和线条选项；显示模块3053用于对绘制后的导航图像进行显示。
在本实施例中，导航图像显示装置300的导航图像显示单元305还可以包括：放置状态判断子单元(图中未示出)，用于根据终端屏幕的放置状态信息显示所述导航图像。
下面参考图4，其示出了适于用来实现本申请实施例的服务器的计算机***400的结构示意图。
如图4所示，计算机***400包括中央处理单元(CPU)401，其可以根据存储在只读存储器(ROM)402中的程序或者从存储部分408加载到随机访问存储器(RAM)403中的程序而执行各种适当的动作 和处理。在RAM403中，还存储有***400操作所需的各种程序和数据。CPU401、ROM402以及RAM403通过总线404彼此相连。输入/输出(I/O)接口405也连接至总线404。
以下部件连接至I/O接口405：包括键盘、鼠标等的输入部分406；包括诸如阴极射线管(CRT)、液晶显示器(LCD)等以及扬声器等的输出部分407；包括硬盘等的存储部分408；以及包括诸如LAN卡、调制解调器等的网络接口卡的通信部分409。通信部分409经由诸如因特网的网络执行通信处理。驱动器410也根据需要连接至I/O接口405。可拆卸介质411，诸如磁盘、光盘、磁光盘、半导体存储器等等，根据需要安装在驱动器410上，以便于从其上读出的计算机程序根据需要被安装入存储部分408。
特别地，根据本公开的实施例，上文参考流程图描述的过程可以被实现为计算机软件程序。例如，本公开的实施例包括一种计算机程序产品，其包括有形地包含在机器可读介质上的计算机程序，上述计算机程序包含用于执行流程图所示的方法的程序代码。在这样的实施例中，该计算机程序可以通过通信部分409从网络上被下载和安装，和/或从可拆卸介质411被安装。
附图中的流程图和框图，图示了按照本申请各种实施例的***、方法和计算机程序产品的可能实现的体系架构、功能和操作。在这点上，流程图或框图中的每个方框可以代表一个模块、程序段、或代码的一部分，上述模块、程序段、或代码的一部分包含一个或多个用于实现规定的逻辑功能的可执行指令。也应当注意，在有些作为替换的实现中，方框中所标注的功能也可以以不同于附图中所标注的顺序发生。例如，两个接连地表示的方框实际上可以基本并行地执行，它们有时也可以按相反的顺序执行，这依所涉及的功能而定。也要注意的是，框图和/或流程图中的每个方框、以及框图和/或流程图中的方框的组合，可以用执行规定的功能或操作的专用的基于硬件的***来实现，或者可以用专用硬件与计算机指令的组合来实现。
描述于本申请实施例中所涉及到的单元可以通过软件的方式实现，也可以通过硬件的方式来实现。所描述的单元也可以设置在处理 器中，例如，可以描述为：一种处理器包括行为坐标获取单元、导航路径生成单元、导航初始图像确定单元、导航图像获取单元和导航图像显示单元。其中，这些单元的名称在某种情况下并不构成对该单元本身的限定。例如，坐标获取单元还可以被描述为“用于获取终端坐标信息的单元”。
作为另一方面，本申请还提供了一种非易失性计算机存储介质，该非易失性计算机存储介质可以是上述实施例中上述装置中所包含的非易失性计算机存储介质；也可以是单独存在，未装配入终端中的非易失性计算机存储介质。上述非易失性计算机存储介质存储有一个或者多个程序，当上述一个或者多个程序被一个设备执行时，使得上述设备：获取出发点坐标和终点坐标；根据所述出发点坐标和终点坐标生成导航路径；根据所述导航路径确定导航初始图像；根据终端屏幕的显示区域信息将所述导航初始图像转换为导航图像；根据终端屏幕的状态信息显示所述导航图像。
以上描述仅为本申请的较佳实施例以及对所运用技术原理的说明。本领域技术人员应当理解，本申请中所涉及的发明范围，并不限于上述技术特征的特定组合而成的技术方案，同时也应涵盖在不脱离所述发明构思的情况下，由上述技术特征或其等同特征进行任意组合而形成的其它技术方案。例如上述特征与本申请中公开的(但不限于)具有类似功能的技术特征进行互相替换而形成的技术方案。

Claims (14)

  1. 一种导航图像显示方法，其特征在于，所述方法包括：
    获取出发点坐标和终点坐标；
    根据所述出发点坐标和终点坐标生成导航路径；
    根据所述导航路径确定导航初始图像；
    根据终端屏幕的显示区域信息将所述导航初始图像转换为导航图像；
    根据终端屏幕的状态信息显示所述导航图像。
  2. 根据权利要求1所述的方法，其特征在于，所述根据所述导航路径确定导航初始图像包括：
    获取所述导航路径所对应的经度坐标区域和纬度坐标区域；
    根据所述经度坐标区域和纬度坐标区域确定路径矩形；
    以所述路径矩形的几何中心为中点，将所述路径矩形按设定比例放大得到路网矩形，将所述路网矩形覆盖的地图图像作为导航初始图像。
  3. 根据权利要求1所述的方法，其特征在于，所述显示区域信息包括显示尺寸信息和/或显示分辨率信息；以及
    所述根据终端屏幕的显示区域信息将所述导航初始图像转换为导航图像，包括：
    根据所述显示尺寸信息和/或显示分辨率信息对所述导航初始图像进行比例缩放得到导航图像。
  4. 根据权利要求1所述的方法，其特征在于，所述根据终端屏幕的状态信息显示所述导航图像包括：
    若终端屏幕的显示状态信息为屏幕点亮状态，则显示所述导航图像；
    若所述终端屏幕的显示状态信息为屏幕锁屏状态，则在屏幕锁屏 界面上显示所述导航图像。
  5. 根据权利要求4所述的方法，其特征在于，所述在屏幕锁屏界面上显示所述导航图像包括：
    获取所述导航图像；
    通过设定的绘图选项对所述导航图像进行导航路径绘制，所述绘图选项包括以下中的至少一项：颜色选项和线条选项；
    对绘制后的导航图像进行显示。
  6. 根据权利要求1-5之一所述的方法，其特征在于，所述根据终端屏幕的状态信息显示所述导航图像还包括：
    根据终端屏幕的放置状态信息显示所述导航图像。
  7. 一种导航图像显示装置，其特征在于，所述装置包括：
    坐标获取单元，用于获取出发点坐标和终点坐标；
    导航路径生成单元，用于根据所述出发点坐标和终点坐标生成导航路径；
    导航初始图像确定单元，用于根据所述导航路径确定导航初始图像；
    导航图像获取单元，用于根据终端屏幕的显示区域信息将所述导航初始图像转换为导航图像；
    导航图像显示单元，用于根据终端屏幕的状态信息显示所述导航图像。
  8. 根据权利要求7所述的装置，其特征在于，所述导航初始图像确定单元包括：
    坐标区域获取子单元，用于获取所述导航路径所对应的经度坐标区域和纬度坐标区域；
    路径矩形获取子单元，用于根据所述经度坐标区域和纬度坐标区域确定路径矩形；
    导航初始图像获取子单元，用于以所述路径矩形的几何中心为中点，将所述路径矩形按设定比例放大得到路网矩形，将所述路网矩形覆盖的地图图像作为导航初始图像。
  9. 根据权利要求7所述的装置，其特征在于，所述导航图像获取单元包括：
    显示尺寸信息子单元，用于获取终端屏幕显示区域信息的显示尺寸信息和/或显示分辨率信息；
    导航图像获取子单元，用于根据所述显示尺寸信息和/或显示分辨率信息对所述导航初始图像进行比例缩放得到导航图像。
  10. 根据权利要求7所述的装置，其特征在于，所述导航图像显示单元包括：
    显示状态判断子单元，用于在终端屏幕的显示状态信息为屏幕点亮状态时，显示所述导航图像，在所述终端屏幕的显示状态信息为屏幕锁屏状态时，在屏幕锁屏界面上显示所述导航图像。
  11. 根据权利要求10所述的装置，其特征在于，所述显示判断子单元包括：
    导航图像获取模块，用于获取所述导航图像；
    导航路径绘制模块，用于通过设定的绘图选项对所述导航图像进行导航路径绘制，所述绘图选项包括以下中的至少一项：颜色选项和线条选项；
    显示模块，用于对绘制后的导航图像进行显示。
  12. 根据权利要求7-11之一所述的装置，其特征在于，所述导航图像显示单元还包括：
    放置状态判断子单元，用于根据终端屏幕的放置状态信息显示所述导航图像。
  13. 一种设备，包括：
    处理器；和
    存储器，
    所述存储器中存储有能够被所述处理器执行的计算机可读指令，在所述计算机可读指令被执行时，所述处理器执行导航图像显示方法，所述方法包括：
    获取出发点坐标和终点坐标；
    根据所述出发点坐标和终点坐标生成导航路径；
    根据所述导航路径确定导航初始图像；
    根据终端屏幕的显示区域信息将所述导航初始图像转换为导航图像；
    根据终端屏幕的状态信息显示所述导航图像。
  14. 一种非易失性计算机存储介质，所述计算机存储介质存储有能够被处理器执行的计算机可读指令，当所述计算机可读指令被处理器执行时，所述处理器执行导航图像显示方法，所述方法包括：
    获取出发点坐标和终点坐标；
    根据所述出发点坐标和终点坐标生成导航路径；
    根据所述导航路径确定导航初始图像；
    根据终端屏幕的显示区域信息将所述导航初始图像转换为导航图像；
    根据终端屏幕的状态信息显示所述导航图像。
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