CN103577074A - Distance display method and device for electronic map - Google Patents
Distance display method and device for electronic map Download PDFInfo
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- CN103577074A CN103577074A CN201210273428.4A CN201210273428A CN103577074A CN 103577074 A CN103577074 A CN 103577074A CN 201210273428 A CN201210273428 A CN 201210273428A CN 103577074 A CN103577074 A CN 103577074A
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Abstract
The invention provides a distance display method for an electronic map. The method includes: selecting a central point and a target point on the electronic map; acquiring multiple reachable distances of the central point and the target point; generating multiple reachable regions according to the reachable distances; displaying the multiple reachable regions; wherein each reachable distance is the path distance between the central point and the target point. By the method simple and convenient to operate, the range of theoretical reachable distances can be visually watched, and information such as possible reaching time and destinations can be given for reference. The invention further provides a distance display device for the electronic map.
Description
Technical field
The present invention relates to field of computer technology, in particular to a kind of distance display packing and device of electronic chart.
Background technology
At present, only have by certain range finding instrument and just can on map, measure the distance of point-to-point transmission.For example, in our daily life, need to use mouse on electronic chart, to choose two measurement points, can obtain the air line distance between these two points, but, not generally the theoretical reach distance between our needed these two points, to life, make troubles sometimes.
The shortcoming of prior art is: the first, and each measurement all must adopt survey instrument to choose at 2 and measure.The second, the distance of point-to-point transmission is air line distance conventionally, rather than theoretic reach distance.The 3rd, if want to know the information within the scope of a certain reach distance centered by certain is a bit, helpless.
Summary of the invention
Object of the present invention is intended at least solve one of above-mentioned technological deficiency.
For this reason, first object of the present invention is to propose a kind of distance display packing of electronic chart, facilitates user to watch intuitively the scope of theoretical reach distance, and provides the information such as possible time of arrival, destination as a reference, simple and convenient.
Second object of the present invention is to propose a kind of distance display device of electronic chart.
For achieving the above object, the distance display packing of a kind of electronic chart that first aspect present invention embodiment proposes, comprises the steps:
Selection Center point and point of destination on described electronic chart;
Obtain a plurality of reach distances of described central point and described point of destination, wherein, described reach distance is described central point on electronic chart and the path distance between described point of destination;
According to described a plurality of reach distances, generate respectively corresponding a plurality of range coverages; And
Described a plurality of range coverages are differently shown.
According to the distance display packing of embodiment of the present invention electronic chart, can allow user watch intuitively the scope of reach distance in theory, and provide the information such as possible time of arrival, destination as a reference, bring very big facility to people's life.
In one embodiment of the invention, described a plurality of range coverages are differently shown, comprise: described a plurality of range coverages are shown with different colours respectively.And according to increasing progressively of described a plurality of reach distances, the same color that described a plurality of range coverages are successively decreased with transparency respectively shows.
In one embodiment of the invention, described distance display packing also comprises the steps:
Described in each, in range coverage, show the information of the described point of destination of the time that can reach, reach distance and correspondence.
In another embodiment of the present invention, described distance display packing also comprises the steps:
From described a plurality of reach distances, choose average reach distance, and range coverage corresponding to described average reach distance carried out to mark demonstration.
The distance display device of a kind of electronic chart that second aspect present invention embodiment proposes, comprising: load module, for receiving central point information and the point of destination information of user's input; Computing module, for obtaining described central point information and described point of destination Information locating central point and point of destination according to described center, and calculate a plurality of reach distances of described central point and described point of destination, and generate respectively corresponding a plurality of range coverages according to described a plurality of reach distances, wherein, described reach distance is described central point on electronic chart and the path distance between described point of destination; And display module, for showing described central point, described point of destination and a plurality of described range coverage, and described a plurality of range coverages are differently shown.
According to the distance display device of the electronic chart of the embodiment of the present invention, can under user's operation, on electronic chart, show in time the scope of reach distance in theory, and show the information such as possible time of arrival, destination as a reference, meet user's needs.In addition, simple and convenient, be user-friendly to.
In one embodiment of the invention, described display module shows with different colours respectively described a plurality of range coverages, is convenient to watch and searches.
Further, described display module increases progressively according to described a plurality of reach distances, and the same color that described a plurality of range coverages are successively decreased with transparency respectively shows.
In one embodiment of the invention, described display module is also for showing the information of the described point of destination of the time that can reach, reach distance and correspondence in range coverage described in each.
In addition, in another embodiment of the present invention, described computing module is also for choosing average reach distance from described a plurality of reach distances; Described display module is also for carrying out mark demonstration by range coverage corresponding to described average reach distance.
The aspect that the present invention is additional and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or the additional aspect of the present invention and advantage will become from the following description of the accompanying drawings of embodiments and obviously and easily understand, wherein:
Fig. 1 is the distance display packing process flow diagram according to the electronic chart of the embodiment of the present invention;
Fig. 2 is the schematic diagram that the distance of electronic chart according to an embodiment of the invention shows; And
Fig. 3 is according to the block diagram of the distance display device of the electronic chart of the embodiment of the present invention.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
Disclosing below provides many different embodiment or example to be used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can be in different examples repeat reference numerals and/or letter.This repetition is in order to simplify and object clearly, itself do not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique the invention provides and the example of material, but those of ordinary skills can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, First Characteristic described below Second Characteristic it " on " structure can comprise that the first and second Characteristics creations are for the direct embodiment of contact, also can comprise the embodiment of other Characteristics creation between the first and second features, such the first and second features may not be direct contacts.
In description of the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, for example, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be to be directly connected, and also can indirectly be connected by intermediary, for the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term.
With reference to description and accompanying drawing below, these and other aspects of embodiments of the invention will be known.These describe and accompanying drawing in, specifically disclose some particular implementation in embodiments of the invention, represent to implement some modes of the principle of embodiments of the invention, still should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise spirit and all changes within the scope of intension, modification and the equivalent that falls into additional claims.
The distance display packing of the electronic chart proposing according to first aspect present invention embodiment is described below with reference to Fig. 1 and Fig. 2.
As shown in Figure 1, the distance display packing of this electronic chart comprises the steps:
S101, Selection Center point and point of destination on electronic chart.
User is Selection Center point and point of destination on electronic chart, wherein, and corresponding position on electronic chart, the place that central point can will set out for user, corresponding position on electronic chart, the place that point of destination can will arrive for user.
User can be by input the title of central point and point of destination in corresponding toolbar, or on electronic chart, utilize mouse to click or choosing central point and point of destination realized in the position of finger touch corresponding point.
S102, obtains a plurality of reach distances of above-mentioned central point and above-mentioned purpose point.
Wherein, as shown in Figure 2, choose point centered by A on map, B is point of destination, and reach distance is theoretical reach distance, is the central point A on electronic chart and the path distance between point of destination B, and air line distance not.It should be noted that, path distance can be straight line, can be also curve.And the scope of said distance is similar to here, not completely absolute.
As shown in Figure 2, according to the central point A choosing and point of destination B, get corresponding circuit and can be respectively S1, S2 and S3, by above-mentioned three paths, all can arrive B by A.As can be seen from the figure, reach distance corresponding to above-mentioned three paths difference.
S103, generates respectively corresponding a plurality of range coverages according to above-mentioned a plurality of reach distances.
According to the reach distance obtaining in above-mentioned steps S102, generate respectively corresponding range coverage.Be understandable that, range coverage can be one, can be also a plurality of, and embodiments of the invention are not limited in this.
S104, is differently shown to a plurality of range coverages.
Particularly, in one embodiment of the invention, step S104 is differently shown to a plurality of range coverages, that is to say, to a plurality of range coverages, can with different colours, be differently shown respectively.The range coverage that for example the path S1 in Fig. 2 is corresponding can be red, and the range coverage that path S2 is corresponding can be blue, and the range coverage that path S3 is corresponding can be green.It should be noted that, above-mentioned color differentiating is only the object in example, rather than in order to limit the present invention.The difference of different range coverages is shown and is not limited to this, can also other forms.
Preferably, according to increasing progressively of a plurality of reach distances, the same color that a plurality of range coverages are successively decreased with transparency respectively shows.That is to say, select the different distance of the stair-stepping colour code of relative transparency, distance transparent degree far away is higher.
Adopt different colors to show different range coverages, and the same color that adopts transparency to successively decrease according to the distance of reach distance is differently shown, distance far away, transparency is higher, is all in order to allow user watch more intuitively and to search.
For example, the reach distance of three corresponding paths in Fig. 2, S2 is nearest, and farthest, S1 is placed in the middle for S3.Thus, the transparency of the range coverage that S2 is corresponding is minimum, the most easily by user, is watched and searches.The transparency of the range coverage that S3 is corresponding is the highest, can tentatively get rid of this route for user.Thus, by the way, can reach the object of automatically screening route for user, improve user's Experience Degree, be convenient to user and watch intuitively and search route, be user-friendly to.
In fact, suppose an open square region, if All Ranges is all can the accessibility situation of pass course, so approximately uniform distance approaches circular.In actual life, normally there are a lot of bar routes to arrive, therefore, according to the length of route, determine the scope of approximately uniform distance, belong to thus irregularly shaped.
In one embodiment of the invention, above-mentioned distance display packing also comprises the steps: in each range coverage to show the information of the time that can reach, reach distance and corresponding point of destination.
On electronic chart, show the information such as point of destination of the time that can reach, reach distance and correspondence as a reference, be user-friendly to, bring great advantage to the user.
In another embodiment of the present invention, above-mentioned distance display packing comprises the steps: to choose average reach distance further from a plurality of reach distances, and range coverage corresponding to average reach distance carried out to mark demonstration.For example the S1 in Fig. 2, S2 and S3, can select comparatively average S1 as preferred routes.
That is to say, if the arrival path of point-to-point transmission has many, can select relatively closely or far and near two lines distance compromise, meet user's needs.
According to the distance display packing of embodiment of the present invention electronic chart, can allow user watch intuitively the scope of reach distance in theory, and provide the information such as possible time of arrival, destination as a reference, bring very big facility to people's life.
The distance display device of the electronic chart proposing according to second aspect present invention embodiment is described below with reference to Fig. 2 and Fig. 3.
As shown in Figure 3, this distance display device comprises load module 301, computing module 302 and display module 303.
Wherein, load module 301 is for receiving central point information and the point of destination information of user's input.
User is Selection Center point and point of destination on electronic chart, wherein, and corresponding position on electronic chart, the place that central point can will set out for user, corresponding position on electronic chart, the place that point of destination can will arrive for user.
In one embodiment of the invention, load module 301 can be keyboard, mouse or touch-screen.
Particularly, user can input the title of central point and point of destination by load module 301 in corresponding toolbar, or on electronic chart, utilizes the position of mouse click or finger touch corresponding point to realize choosing central point and point of destination.
As shown in Figure 2, according to the central point A choosing and point of destination B, computing module 302 gets corresponding circuit can be respectively S1, S2 and S3, by above-mentioned three paths, all can arrive B by A.As can be seen from the figure, reach distance corresponding to above-mentioned three paths difference.
Further, in one embodiment of the invention, 303 pairs of a plurality of range coverages of display module can show with different colours respectively, the range coverage that for example the path S1 in Fig. 2 is corresponding can be red, the range coverage that path S2 is corresponding can be blue, and the range coverage that path S3 is corresponding can be green.It should be noted that, above-mentioned color differentiating is only the object in example, rather than in order to limit the present invention.The difference of different range coverages is shown and is not limited to this, can also other forms.
Preferably, display module 303 increases progressively according to above-mentioned a plurality of reach distances, and the same color that a plurality of range coverages are successively decreased with transparency respectively shows.That is to say, select the different distance of the stair-stepping colour code of relative transparency, distance transparent degree far away is higher.
In fact, suppose an open square region, if All Ranges is all can the accessibility situation of pass course, so approximately uniform distance approaches circular.In actual life, normally there are a lot of bar routes to arrive, therefore, according to the length of route, determine the scope of approximately uniform distance, belong to thus irregularly shaped.
In one embodiment of the invention, display module 303 also for showing the information of the point of destination of the time that can reach, reach distance and correspondence in each range coverage.
On electronic chart, show the information such as point of destination of the time that can reach, reach distance and correspondence as a reference, be user-friendly to, bring great advantage to the user.
Particularly, in another embodiment of the present invention, computing module 302 is also for choosing average reach distance from a plurality of reach distances, and display module 303 is also for carrying out mark demonstration by range coverage corresponding to average reach distance.That is to say, if the arrival path of point-to-point transmission has many, can select relatively closely or far and near two lines distance compromise, meet user's needs.
According to the distance display device of the electronic chart of the embodiment of the present invention, can under user's operation, on electronic chart, show in time the scope of reach distance in theory, and show the information such as possible time of arrival, destination as a reference, meet user's needs.In addition, simple and convenient, be user-friendly to.
In process flow diagram or any process of otherwise describing at this or method describe and can be understood to, represent to comprise that one or more is for realizing module, fragment or the part of code of executable instruction of the step of specific logical function or process, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can be not according to order shown or that discuss, comprise according to related function by the mode of basic while or by contrary order, carry out function, this should be understood by embodiments of the invention person of ordinary skill in the field.
The logic and/or the step that in process flow diagram, represent or otherwise describe at this, for example, can be considered to for realizing the sequencing list of the executable instruction of logic function, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise that the system of processor or other can and carry out the system of instruction from instruction execution system, device or equipment instruction fetch), use, or use in conjunction with these instruction execution systems, device or equipment.With regard to this instructions, " computer-readable medium " can be anyly can comprise, storage, communication, propagation or transmission procedure be for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically of computer-readable medium (non-exhaustive list) comprises following: the electrical connection section (electronic installation) with one or more wirings, portable computer diskette box (magnetic device), random-access memory (ram), ROM (read-only memory) (ROM), the erasable ROM (read-only memory) (EPROM or flash memory) of editing, fiber device, and portable optic disk ROM (read-only memory) (CDROM).In addition, computer-readable medium can be even paper or other the suitable medium that can print described program thereon, because can be for example by paper or other media be carried out to optical scanning, then edit, decipher or process in electronics mode and obtain described program with other suitable methods if desired, be then stored in computer memory.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, a plurality of steps or method can realize with being stored in storer and by software or the firmware of suitable instruction execution system execution.For example, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: have for data-signal being realized to the discrete logic of the logic gates of logic function, the special IC with suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is to come the hardware that instruction is relevant to complete by program, described program can be stored in a kind of computer-readable recording medium, this program, when carrying out, comprises step of embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, can be also that the independent physics of unit exists, and also can be integrated in a module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and also can adopt the form of software function module to realize.If described integrated module usings that the form of software function module realizes and during as production marketing independently or use, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium of mentioning can be ROM (read-only memory), disk or CD etc.
In the description of this instructions, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is by claims and be equal to and limit.
Claims (10)
1. a distance display packing for electronic chart, is characterized in that, comprises the steps:
Selection Center point and point of destination on described electronic chart;
Obtain a plurality of reach distances of described central point and described point of destination, wherein, described reach distance is described central point on electronic chart and the path distance between described point of destination;
According to described a plurality of reach distances, generate respectively corresponding a plurality of range coverages; And
Described a plurality of range coverages are differently shown.
2. as claimed in claim 1 apart from display packing, it is characterized in that, described a plurality of range coverages are differently shown, comprising: described a plurality of range coverages are shown with different colours respectively.
3. as claimed in claim 1 apart from display packing, it is characterized in that, described a plurality of range coverages are differently shown, comprise: according to increasing progressively of described a plurality of reach distances, the same color that described a plurality of range coverages are successively decreased with transparency respectively shows.
4. the distance display packing as described in any one in claim 1-3, is characterized in that, also comprises the steps:
Described in each, in range coverage, show the information of the described point of destination of the time that can reach, reach distance and correspondence.
5. the distance display packing as described in any one in claim 1-4, is characterized in that, also comprises the steps:
From described a plurality of reach distances, choose average reach distance, and range coverage corresponding to described average reach distance carried out to mark demonstration.
6. a distance display device for electronic chart, is characterized in that, comprising:
Load module, for receiving central point information and the point of destination information of user's input;
Computing module, for obtaining described central point information and described point of destination Information locating central point and point of destination according to described center, and calculate a plurality of reach distances of described central point and described point of destination, and generate respectively corresponding a plurality of range coverages according to described a plurality of reach distances, wherein, described reach distance is described central point on electronic chart and the path distance between described point of destination; And
Display module, for showing described central point, described point of destination and a plurality of described range coverage, and is differently shown to described a plurality of range coverages.
7. distance display device as claimed in claim 6, is characterized in that, described display module shows with different colours respectively described a plurality of range coverages.
8. distance display device as claimed in claim 6, is characterized in that, described display module increases progressively according to described a plurality of reach distances, and the same color that described a plurality of range coverages are successively decreased with transparency respectively shows.
9. the distance display device as described in any one in claim 6-8, is characterized in that, described display module is also for showing the information of the described point of destination of the time that can reach, reach distance and correspondence in range coverage described in each.
10. the distance display device as described in any one in claim 6-9, is characterized in that,
Described computing module is also for choosing average reach distance from described a plurality of reach distances;
Described display module is also for carrying out mark demonstration by range coverage corresponding to described average reach distance.
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| CN201210273428.4A CN103577074B (en) | 2012-08-02 | 2012-08-02 | Electronic map apart from display methods and device |
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| CN201210273428.4A CN103577074B (en) | 2012-08-02 | 2012-08-02 | Electronic map apart from display methods and device |
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| CN111868478A (en) * | 2018-03-16 | 2020-10-30 | 本田技研工业株式会社 | Display device |
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