CN103000075A - Electronic map device and electronic map path presentation method - Google Patents
Electronic map device and electronic map path presentation method Download PDFInfo
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- CN103000075A CN103000075A CN2012102364906A CN201210236490A CN103000075A CN 103000075 A CN103000075 A CN 103000075A CN 2012102364906 A CN2012102364906 A CN 2012102364906A CN 201210236490 A CN201210236490 A CN 201210236490A CN 103000075 A CN103000075 A CN 103000075A
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Abstract
The invention relates to an electronic map device. The electronic map device comprises a path calculating unit, a path acquisition unit, a section splitting unit, a road condition acquisition unit, a rendering unit and a display unit. The path acquisition unit is used to acquire a path from a start to a stop. The section splitting unit is used to receive the path and split the path into a plurality of sequentially connected sections. The road condition acquisition unit is used to acquire road conditions related to the sequentially connected sections. The rendering unit is used to render each section in different formats according to the road condition of the section. The display unit is used to display the rendered section on an electronic map. The road conditions are presented by rendering the path in different formats, the presenting is more visual, and accordingly external buttons are avoided occupying display space of the map, and a user can conveniently drag the section with road condition information to adjust a path scheme according to the road condition. In addition, the invention provides an electronic map path presentation method.
Description
Technical field
The present invention relates to electronic chart, relate in particular to a kind of electronic map device and electronic chart path rendering method.
Background technology
Electronic chart, combined positioning system to people's trip, drive to bring great convenience.Current except basic path navigation service, electronic chart is also gradually towards intelligentized future development.The road condition information inquiry service for example is provided in electronic chart simultaneously.Yet in existing internet Map Services, representing with the displaying of traffic information of Public Transport Transfer and self-driving route scheme separates.
For example, be independent external " traffic information " button of middle employing in certain Map Service, the user can be by clicking this button to show/the hiding figure layer that shows traffic information, and this external button has taken the display space of a part of map.And adopting the menu be positioned at the top-right mouse-over expansion of map as the traffic information entrance in another Map Service, this kind mode can reduce compared to " traffic information " button in front a kind of mode and takies the map display space.
Yet all be to show traffic information with extra figure layer in aforementioned two kinds of Map Services.After the user inquired about a paths, this path was to be superimposed upon on the traffic information figure layer, so that the demonstration of traffic information is very not directly perceived, and the user may pay special attention to traffic information so that adjust the path sometimes under this kind situation.Adopt this kind mode relatively to be difficult to satisfy user's demand this moment.
Summary of the invention
In view of this, be necessary to provide a kind of electronic chart path rendering method and electronic map device, it can intuitive manner represent traffic information and path simultaneously.
A kind of electronic map device, it comprises: path-calculating element path acquiring unit is used for obtaining the path between the Origin And Destination; The highway section split cells is used for after receiving described path described path is split as a plurality of highway sections that link to each other successively; The road conditions acquiring unit is used for obtaining with all and states the relevant traffic information in a plurality of highway sections that link to each other successively; Rendering unit is used for playing up described highway section according to the corresponding employing different-format of the traffic information in each highway section; And display unit, be used for the highway section after the electronic chart demonstration is played up.
A kind of electronic chart path rendering method, it comprises: obtain the path between the Origin And Destination; Described path is split as a plurality of highway sections that link to each other successively; Obtain the traffic information in each highway section; Play up described highway section according to the corresponding employing different-format of the traffic information in each highway section; And the path after described electronic chart demonstration is played up.
In above-mentioned electronic map device and electronic chart path rendering method, traffic information is directly to represent by different-format is played up in path self, display mode is more directly perceived, can avoid external button to take the map display space, make things convenient for the user directly to drag with the highway section of traffic information to adjust route scheme according to road conditions.
For above and other purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
The structured flowchart of the electronic map device that Fig. 1 provides for first embodiment of the invention.
The schematic diagram that the electronic map device that Fig. 2 provides for first embodiment of the invention shows paths.
The process flow diagram of the electronic chart path rendering method that Fig. 3 provides for second embodiment of the invention.
Embodiment
Be technological means and the effect that the predetermined goal of the invention of realization is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to the electronic map device of foundation the present invention proposition and embodiment, structure, feature and the effect thereof of electronic chart path rendering method, be described in detail as follows.
The first embodiment
Consult Fig. 1, the structured flowchart of the electronic map device 100 that it provides for the first embodiment.Electronic map device 100 comprises path acquiring unit 11, highway section split cells 12, road conditions acquiring unit 13, rendering unit 14, reaches display unit 15.
Highway section split cells 12 is used for path P is split as a plurality of highway section L that link to each other successively, i.e. P={Li|1＜=i＜=n}, and wherein n is the number in highway section.Similar with path P, highway section L can adopt point sequence statement, i.e. L={Point j=(xj, yj) equally | and 1＜=j＜=m}, wherein m is the number of highway section L mid point.
The division in highway section can be relevant with road condition data, also can be irrelevant with road condition data.For instance, if traffic information take on the road as unit description, then the path can be used as a highway section through this road whole; And if traffic information is that for example each crossing or specific node are described with less unit, then correspondingly, can be split as a plurality of highway sections according to the part that the least unit of traffic information is passed through this road with the path, the node of the corresponding traffic information in each highway section.The highway section can also be the unit less than the traffic information unit of description, for example the path is split as a plurality of highway sections by regular length, regular length for example is 50 meters or less, use from reality, the length of the least unit that traffic information is described can less than this regular length, not adopt this kind mode then need not consider the description node of traffic information when splitting the highway section.
Consult Fig. 2, it is the schematic diagram of a paths of electronic map device 100 demonstrations.According to the least unit that traffic information is described, this path is divided into the first highway section 101, the second highway section 102, Third Road section 103, the 4th highway section 104, the 5th highway section 105, reaches the 6th highway section 106.Wherein, namely there are a road conditions description node in the second highway section 102 and Third Road section 103 in the middle of these two crossings between two crossings.
Road conditions acquiring unit 12 is used for obtaining the traffic information in each highway section.Traffic information can get to the road condition data library inquiry, and in general, the primary data of traffic information is from the monitoring arrangement of vehicle supervision department.Can adopt the mode of succession when judging traffic information, for example, certain highway section belongs to certain bar road, and then the road conditions on this road are the road conditions in this highway section.In general, road conditions can comprise following several situation: unimpeded, walk or drive slowly, block up, accident, construction, control.Certainly only be example more than.Actually can adopt arbitrarily road conditions descriptor.
Rendering unit 13 is used for playing up described highway section according to the corresponding employing different-format of the traffic information in each highway section.In order to allow the user can distinguish intuitively above-mentioned various road conditions, can adopt specific form to play up this highway section for every kind of road conditions.Above-mentioned specific format for example can comprise different colours, thickness, filling pattern, legend or its combination.For example, available green represents unimpeded, represents jogging with yellow, represents to block up, represents respectively accident, construction and control on the side, highway section with corresponding legend with redness.
For highway section L={Pointj=(xj, yj) | 1＜=j＜=m}, its detailed process of playing up be exactly from Point1 begin between 2 of believing to draw corresponding format lines, fill corresponding pattern etc.
As shown in Figure 2, the first highway section 101 and the second highway section 102 are unimpeded, represent green with thick lines in the drawings; 103 jogging of Third Road section adopt hachure to represent yellow in the drawings; During 104 hot work in progress of the 4th highway section are in and block up, adopt oblique interstitial wire to represent redness; The 5th highway section, the 6th highway section 106 are unimpeded, represent green with heavy line in the drawings.
In addition, for the 4th highway section 104, except demonstration is blocked up, also in its other legend 107 that shows that expression is being constructed, make the user can further understand relevant information.Further which kind of operation is display reminding information 108 carry out with prompting user and can evade the highway section that blocks up in the current path on legend 107 next doors.
In addition, electronic map device 100 also can comprise route adjust unit 15, is used in highway section that display unit 14 shows being called after dragging path acquiring unit 11 and again obtains the path between the Origin And Destination and the path that obtains passed to highway section split cells 12 according to the position that drags.Correspondingly, highway section split cells 12 is played up by rendering unit 13 after finishing and splitting, and is shown by display unit 14 at last.
In the electronic map device 100 of the present embodiment, traffic information is directly to represent by different-format is played up in path self, display mode is more directly perceived, can avoid external button to take the map display space, make things convenient for the user directly to drag with the highway section of traffic information to adjust route scheme according to road conditions.
The second embodiment
Consult Fig. 3, second embodiment of the invention provides the rendering method in a kind of electronic chart path, and it may further comprise the steps:
Step S201 obtains the path between the Origin And Destination;
Step S202 is split as a plurality of highway sections that link to each other successively with described path;
Step S203 obtains the traffic information in each highway section;
Step S204 plays up the highway section according to the corresponding employing different-format of the traffic information in each highway section; And
Step S205, the highway section after the electronic chart demonstration is played up.
Return path P among the step S201, path P for example can adopt the sequence of a Point to explain, i.e. P={Point i=(xi, yi) | 1＜=i＜=k}, wherein xi, yi are respectively some abscissa of Point i and an ordinate, and k is the sum of point.Its concrete realization belongs to known content in the electronic chart association area, does not repeat them here.
Among the step S202 path P is split as a plurality of highway section L that link to each other successively, i.e. P={Li|1＜=i＜=n}, wherein n is the number in highway section.Similar with path P, highway section L can adopt point sequence statement, i.e. L={Point j=(xj, yj) equally | and 1＜=j＜=m}, wherein m is the number of highway section L mid point.
The division in highway section can be relevant with road condition data, also can be irrelevant with road condition data.For instance, if traffic information take on the road as unit description, then the path can be used as a highway section through this road whole; And if traffic information is that for example each crossing or specific node are described with less unit, then correspondingly, can be split as a plurality of highway sections according to the part that the least unit of traffic information is passed through this road with the path, the node of the corresponding traffic information in each highway section.The highway section can also be the unit less than the traffic information unit of description, for example the path is split as a plurality of highway sections by regular length, regular length for example is 50 meters or less, use from reality, the length of the least unit that traffic information is described can less than this regular length, not adopt this kind mode then need not consider the description node of traffic information when splitting the highway section.
Consult Fig. 2, it is the schematic diagram of a paths of electronic map device demonstration.According to the least unit that traffic information is described, this path is divided into the first highway section 101, the second highway section 102, Third Road section 103, the 4th highway section 104, the 5th highway section 105, reaches the 6th highway section 106.Wherein, namely there are a road conditions description node in the second highway section 102 and Third Road section 103 in the middle of these two crossings between two crossings.
Among the step S203, obtain the traffic information in each highway section, traffic information can get to the road condition data library inquiry, and in general, the primary data of traffic information is from the monitoring arrangement of vehicle supervision department.Can adopt the mode of succession when judging traffic information, for example, certain highway section belongs to certain bar road, and then the road conditions on this road are the road conditions in this highway section.In general, road conditions can comprise following several situation: unimpeded, walk or drive slowly, block up, accident, construction, control.Certainly only be example more than.Actually can adopt arbitrarily road conditions descriptor.
Among the step S204, play up described highway section according to the corresponding employing different-format of the traffic information in each highway section.In order to allow the user can distinguish intuitively above-mentioned various road conditions, can adopt specific form to play up this highway section for every kind of road conditions.Above-mentioned specific format for example can comprise different colours, thickness, filling pattern, legend or its combination.For example, available green represents unimpeded, represents jogging with yellow, represents to block up, represents respectively accident, construction and control on the side, highway section with corresponding legend with redness.
For highway section L={Point j=(xj, yj) | 1＜=j＜=m}, its detailed process of playing up be exactly from Point1 begin between 2 of believing to draw corresponding format lines, fill corresponding pattern etc.
As shown in Figure 2, the first highway section 101 and the second highway section 102 are unimpeded, represent green with thick lines in the drawings; 103 jogging of Third Road section adopt hachure to represent yellow in the drawings; During 104 hot work in progress of the 4th highway section are in and block up, adopt oblique interstitial wire to represent redness; The 5th highway section, the 6th highway section 106 are unimpeded, represent green with heavy line in the drawings.
In addition, for the 4th highway section 104, except demonstration is blocked up, also in its other legend 107 that shows that expression is being constructed, make the user can further understand relevant information.Further which kind of operation is display reminding information 108 carry out with prompting user and can evade the highway section that blocks up in the current path on legend 107 next doors.
Among the step S205, play up highway section after finishing with mode intuitively simultaneously show navigator path and road conditions, the user can adjust route scheme easily according to the information that shows.
The rendering method in the electronic chart path of the present embodiment also comprises step S206, re-started according to the position that drags after dragging in this highway section and describedly to obtain path between the Origin And Destination, carry out that the path splits, play up in the highway section and show, that is re-executed step S201 to step S205.The difference of twice execution in step S201 is that the position that among the step S206 highway section is dragged transmits in the lump as parameter.
In the electronic chart path rendering method of the present embodiment, traffic information is directly to represent by different-format is played up in path self, display mode is more directly perceived, can avoid external button to take the map display space, make things convenient for the user directly to drag with the highway section of traffic information to adjust route scheme according to road conditions.
Concrete program realizes
Structure path objects P and path objects L.
Wherein path objects P has following methods:
Path objects P further has attribute Lines, and its value is highway section collection { Li|1＜=i＜=n};
Highway section object L has following methods:
Int getTrafficState () // the obtain road condition code in this highway section;
The point sum in this highway section of Int getPointsNum () // obtain
Highway section object L further has attribute Points, its value for point set Point j=(xj, yj) | 1＜=j＜=m}.
Specific algorithm is as follows:
For a path objects example p ∈ P
In addition, the embodiment of the invention also provides a kind of computer-readable recording medium, is stored with computer executable instructions, and above-mentioned computer-readable recording medium for example is for example CD, hard disk or flash memory of nonvolatile memory.Above-mentioned computer executable instructions is used for allowing computing machine or similar arithmetic unit finish the various operations of the electronic chart path rendering method of above-described embodiment.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet be not to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, according to technical spirit of the present invention any brief introduction that above embodiment does is revised, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (12)
1. electronic map device, it comprises:
The path acquiring unit is used for obtaining the path between the Origin And Destination;
The highway section split cells is used for after receiving described path described path is split as a plurality of highway sections that link to each other successively;
The road conditions acquiring unit is used for obtaining the traffic information relevant with described a plurality of highway sections that link to each other successively;
Rendering unit is used for playing up described highway section according to the corresponding employing different-format of the traffic information in each highway section; And
Display unit is used for the highway section after the electronic chart demonstration is played up.
2. electronic map device as claimed in claim 1 is characterized in that, described different-format is different colours, different pattern or its combination.
3. electronic map device as claimed in claim 1 is characterized in that, described display unit also is used for other according to the different different legends of road conditions demonstration in described highway section.
4. electronic map device as claimed in claim 3 is characterized in that, described display unit also is used in the other prompting that shows paths of described legend.
5. electronic map device as claimed in claim 1 is characterized in that, described highway section split cells is used for according to road conditions described path being split as a plurality of highway sections that link to each other successively.
6. electronic map device as claimed in claim 1, it is characterized in that, also comprise: the route adjust adjustment unit, be used for being called described path acquiring unit after dragging according to the position that drags again acquisition approach in described highway section, described path acquiring unit is passed to described highway section split cells with the path that obtains behind the acquisition approach again.
7. electronic chart path rendering method, it comprises:
Obtain the path between the Origin And Destination;
Described path is split as a plurality of highway sections that link to each other successively;
Obtain the traffic information in each highway section;
Play up described highway section according to the corresponding employing different-format of the traffic information in each highway section; And
Path after described electronic chart demonstration is played up.
8. the rendering method in electronic chart as claimed in claim 7 path is characterized in that, described different-format is different colours, different pattern or its combination.
9. the rendering method in electronic chart as claimed in claim 7 path is characterized in that, is included in also that the highway section is other to show different legends according to different road conditions.
10. the rendering method in electronic chart as claimed in claim 9 path is characterized in that, also is included in the other prompting that shows paths of described legend.
11. the rendering method in electronic chart as claimed in claim 7 path is characterized in that, described path is split as a plurality of highway sections that link to each other successively carries out according to traffic information.
12. the rendering method in electronic chart as claimed in claim 7 path is characterized in that, also comprises: re-started the described path that obtain Origin And Destination between according to the position that drags in described highway section after dragging and reach later on each step.
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| CN201210236490.6A CN103000075B (en) | 2012-07-10 | 2012-07-10 | A kind of electronic map device and electronic chart path presentation method |
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| CN111630555A (en) * | 2018-01-23 | 2020-09-04 | 三星电子株式会社 | Method for receiving map and server device thereof |
| CN111829539A (en) * | 2019-04-23 | 2020-10-27 | 广州数鹏通科技有限公司 | Navigation path planning method and device, navigation terminal and storage medium |
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Effective date of registration: 20180928 Address after: 100086 Beijing Haidian District Zhichun Road 49 No. 3 West 309 Patentee after: Tencent cloud computing (Beijing) limited liability company Address before: 518044 East 403 room, Sai Ge science and Technology Park, Futian District Zhenxing Road, Shenzhen, Guangdong, China, 2 Patentee before: Tencent Technology (Shenzhen) Co., Ltd. |