CN103411619A - Three-dimensional road generating system and method - Google Patents
Three-dimensional road generating system and method Download PDFInfo
- Publication number
- CN103411619A CN103411619A CN2013103759298A CN201310375929A CN103411619A CN 103411619 A CN103411619 A CN 103411619A CN 2013103759298 A CN2013103759298 A CN 2013103759298A CN 201310375929 A CN201310375929 A CN 201310375929A CN 103411619 A CN103411619 A CN 103411619A
- Authority
- CN
- China
- Prior art keywords
- road
- data
- dimensional
- module
- carry out
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Processing Or Creating Images (AREA)
- Instructional Devices (AREA)
- Navigation (AREA)
Abstract
The invention provides a three-dimensional road generating system and method for the technical field of navigation. The system comprises a projection module, a data analysis module, a road modeling module and a three-dimensional road surface generating module, wherein the projection module is used for converting the obtained road longitude and latitude coordinate into a geodetic coordinate, the data analysis module is used for clipping attribute data of the road and the geodetic coordinate to form the linear data of the road, the road modeling module is used for analyzing the linear data and judging whether the dual-digitalized combination can be performed, if so, performing the dual-digitalized combination to form facet data; the three-dimensional road surface generating module is used for extracting the road axis according to the facet data to generate the three-dimensional rod surface. By analyzing the linear data of the road, the dual-digitalized combination is performed to form facet data, the data processing procedure of generating the three-dimensional surface is simplified, and the vivid three-dimensional urban road map is realized by using low cost and low workload.
Description
Technical field
The present invention relates to field of navigation technology, specifically more relate to a kind of three-dimensional road generation system and method.
Background technology
Along with scientific and technical progress, oneself take social development the full spectrum information epoch as sign such as numeral, network through having entered.Meanwhile, the concept of digital city is arisen at the historic moment.So-called digital city, refer to that integrated use computer digital means (technology such as GIS, remote sensing, remote measurement, network, multimedia and virtual emulation) carry out omnibearing digital collection and processing to infrastructure, the functional mechanism in city, have digitizing, the networking of the complication systems such as urban geography, resource, ecologic environment, population, economy, society, the power of Optimal Decision-making.In digital city, the road in urban infrastructure is just important as a people's blood-vessels, and it is maintaining life and the safety of urban activity.And the ability of a urban information technology has been showed in the generation of the road information system in road guide field and demonstration, the research of three-dimensional road or map simultaneously also becomes the Research Emphasis of each big city and association area manufacturer.
For example, leading company such as Baidu and Google as numerical map research, they have released one after another and have contained the city map of three-dimensional road information, but from their technology that realizes, three-dimensional streetscape in these city three-dimensional maps, are all the shootings by means of satellite shadow figure, then utilize the image photographed to build three-dimensional map.Wherein, very huge to the construction work amount of the processing of the simulated data of image and map, and the three-dimensional map shown be difficult to reach enough clear with approach reality.
The relief map that also has Gao De, the three-dimensional city map of similar three-dimensional is provided for the user, its degree true to nature is higher, but its numerical data that forms map is planar data, and namely the data message of road is whole, zebra stripes road data for example, it only has the spatial data of whole zebra stripes, needs manually the spatial data of different kinds of roads to be analyzed and integrated, the final model data that generates overpass that forms, thereby needing a large amount of data to process, workload and cost are higher.
Summary of the invention
The purpose of the embodiment of the present invention is the deficiency existed for above-mentioned existing structure three-dimensional road technology, and a kind of three-dimensional road generation system and method are provided, and by less cost and lower workload, realizes three-dimensional city road-map true to nature.
In order to reach the foregoing invention purpose, a kind of three-dimensional road generation system that the embodiment of the present invention proposes is achieved through the following technical solutions:
A kind of three-dimensional road generation system, described system comprises:
Projection module, be converted to terrestrial coordinate for the road latitude and longitude coordinates to obtaining;
Data analysis module, cut out for the attribute data to road and terrestrial coordinate data, forms the wire data of road;
The road modeling module, for to described wire data analysis, judge whether to carry out Double-number chemical combination also, if carry out Double-number chemical combination and form planar data;
Three-dimensional road is looked unfamiliar into module, for according to described planar data, extracts road axis, carries out the generation of three-dimensional road face.
In order to realize aforementioned goal of the invention, the embodiment of the present invention also provides a kind of three-dimensional road generation method, and described method is to realize by following technical scheme:
A kind of three-dimensional road generation method said method comprising the steps of:
The road latitude and longitude coordinates of obtaining is converted to terrestrial coordinate;
Attribute data and terrestrial coordinate data to road are cut out, and form the wire data of road;
To described wire data analysis, judge whether to carry out Double-number chemical combination also, if carry out Double-number chemical combination and form planar data;
According to described planar data, extract road axis, carry out the generation of three-dimensional road face.
The embodiment of the present invention is by providing a kind of three-dimensional road generation system and method, by the wire data analysis to road, thereby carry out Double-number chemical combination and form planar data, simplified the data handling procedure that three-dimensional road is looked unfamiliar, by less cost and lower workload, realize three-dimensional city road-map true to nature.
The accompanying drawing explanation
By the description of its exemplary embodiment being carried out below in conjunction with accompanying drawing, the above-mentioned feature and advantage of the present invention will become apparent and easily understand.
Fig. 1 is the composition schematic diagram of embodiment of the present invention three-dimensional road generation system;
Fig. 2 is embodiment of the present invention road surface generation model figure;
Fig. 3 is the process flow diagram of embodiment of the present invention road-center line drawing;
Fig. 4 is the process flow diagram that embodiment of the present invention three-dimensional road is looked unfamiliar;
Fig. 5 is the enforcement schematic diagram of embodiment of the present invention three-dimensional road generation system;
Fig. 6 is the process flow diagram of embodiment of the present invention three-dimensional road generation method.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, be a kind of three-dimensional road generation system of the embodiment of the present invention, described system comprises:
Projection module, be converted to terrestrial coordinate for the road latitude and longitude coordinates to obtaining;
Data analysis module, cut out for the attribute data to road and terrestrial coordinate data, forms the wire data of road;
The road modeling module, for to described wire data analysis, judge whether to carry out Double-number chemical combination also, if carry out Double-number chemical combination and form planar data;
Three-dimensional road is looked unfamiliar into module, for according to described planar data, extracts road axis, carries out the generation of three-dimensional road face.
In this system, gps coordinate with the longitude and latitude form is commonly referred to the WGS84 coordinate, the projection module of the embodiment of the present invention is first terrestrial coordinate (take the rectangular coordinate of m as unit) by the WGS84 coordinate transformation of road object, and data are cut into to a blocks of data according to certain distance (as 400m), these data are panel data.
The road modeling module, the road data on plane, according to data such as road shape, attributes, generates into the three-dimensional road model, and Double-number chemical combination road Link are carried out in robotization.
So-called Double-number: namely mean a road in reality with two lines, mean respectively the both direction of a road.
Described attribute data and traditional thread binding data are stored in database with the form as following table:
Wherein, the road model after three-dimensional modeling will be stored and export with the form of file.
Three-dimensional road is looked unfamiliar into module, extracts road axis, and does smoothing processing, and wherein, road surface comprises following element:
Road width, title, type, grade, laying material, track, fare direction, greenbelt, facility line (zebra stripes, yellow line, double amber lines etc.) etc.
As shown in Figure 2, for the extraction of road axis, need to carry out lane information and fare direction pre-recordedly, namely, when road gathers, record in detail the number of track-lines of road; Fare direction: the turn direction in each track, the information of turning round are in advance accurately being recorded in each track, according to number of track-lines, road width, line is being extended to road surface for center line expansion road surface; At road junction, cut out crossing, and sew up crossing, road surface.
As shown in Figure 3, three-dimensional road is looked unfamiliar into module and is comprised as follows to the extraction of road axis:
Extract road data, analyze road attribute, judge according to the road attribute data whether road shape is consistent, if consistent, extract line centered by center, if inconsistent, advanced trade road cutting, then analyze the road segment segment attribute data after cutting, and center line is set piecemeal.Wherein, the implication of following concept is expressed as follows:
Road shape: road is the broken line consisted of shape point one by one;
Road attribute: road name, type, grade etc.;
Road cutting a: road is cut into to several sections, make the consistent road of road shape merge.
As shown in Figure 4, the three-dimensional road three-dimensional road face of looking unfamiliar into module is made and to be comprised:
Read road track, according to road axis expansion road surface, make road track, fare direction, make road equipment line, greenbelt:
1,, according to attributes such as road width, tracks, expand out road surface;
2, according to road track information, cut out road intersection information;
3, sew up road junction, generate the road junction face;
4,, according to track quantity, generate lane line;
5,, according to track turning information, generate the track direction;
6,, according to road equipment information, generate the information such as double amber lines, greenbelt;
7, texture goes out the information such as road surface, lane information, facility line.
As shown in Figure 5, enforcement schematic diagram for embodiment of the present invention three-dimensional road generation system, wherein, the operating system OS that supports the operation of three-dimensional road generation system can be windows, linux, the operating systems such as ios, namely the three-dimensional road generation system of the embodiment of the present invention can run on the several operation systems platform.On system architecture, the three-dimensional road generation system of the embodiment of the present invention is implemented framework need to realize following nucleus module:
Projection module, realize that the projection of road attribute data changes, the road latitude and longitude coordinates to obtaining be converted to terrestrial coordinate;
The data analysis module of three-dimensional road generation system: realize attribute data and the terrestrial coordinate data of road are cut out, form the wire data of road;
Road modeling: realize digitized road is set up to three-dimensional road model, namely to described wire data analysis, judge whether to carry out Double-number chemical combination also, if carry out Double-number chemical combination and form planar data;
File read-write and memory management: realize the operations such as conventional file read-write and Memory Allocation release;
Three-dimensional road is looked unfamiliar into and is shown: according to described planar data, extract road axis, carry out the generation of three-dimensional road face, then utilize the opengl engine to show the three-dimensional road figure;
Service logic interface: around nucleus module, realize a plurality of business function module, and provide api interface to call to the UI layer;
The page is showed: the user interface that mainly demonstrates the three-dimensional road system.
By above system architecture, carry out generation and the figure demonstration of three-dimensional road, and to the user, realize the interface of system call, thereby realize the utilization of three-dimensional road, for the user provides three-dimensional city road-map brand-new, true to nature, be conducive to demonstration and the navigation of road.
In order to realize goal of the invention of the present invention, as shown in Figure 6, the embodiment of the present invention also provides a kind of three-dimensional road generation method, and described method comprises the steps:
S101. the road latitude and longitude coordinates that will obtain is converted to terrestrial coordinate;
S102. attribute data and the terrestrial coordinate data of road are cut out, form the wire data of road;
S103. to described wire data analysis, judge whether to carry out Double-number chemical combination also, if carry out Double-number chemical combination and form planar data;
S104. according to described planar data, extract road axis, carry out the generation of three-dimensional road face.
In the method, gps coordinate with the longitude and latitude form is commonly referred to the WGS84 coordinate, the embodiment of the present invention is first terrestrial coordinate (take the rectangular coordinate of m as unit) by the WGS84 coordinate transformation of road object, and data are cut into to a blocks of data according to certain distance (as 400m), these data are panel data.
Step S103, namely the road data on plane, according to data such as road shape, attributes, generates into the three-dimensional road model, and Double-number chemical combination road Link are carried out in robotization.
Described attribute data and wire data are stored in database with the form as following table:
| Road ID | Type | Grade | Double-number | Direction | Length | Lane information |
| 59567338010 | 0b14 | 5 | 1 | 1 | 0.016 | 1 |
| 59567338011 | 0b14 | 5 | 1 | 1 | 0.006 | 1 |
| 59567338060 | 0602 | 4 | 0 | 2 | 0.057 | 2 |
| 59567338061 | 0602 | 4 | 0 | 2 | 0.014 | 2 |
| 59567338063 | 0602 | 4 | 0 | 2 | 0.037 | 2 |
| 59567338065 | 0602 | 4 | 0 | 2 | 0.063 | 2 |
| 59567338071 | 0b01 | 5 | 1 | 1 | 0.012 | 1 |
| 59567338074 | 0b0f | 5 | 1 | 1 | 0.003 | 1 |
| 59567338075 | 0105|010b | 3 | 0 | 2 | 0.021 | 1 |
| 59567338076 | 0105|010b | 3 | 0 | 2 | 0.031 | 1 |
| 59567338077 | 030a | 2 | 0 | 2 | 0.021 | 2 |
| 59567338078 | 030a | 2 | 0 | 2 | 0.105 | 2 |
| 59567338079 | 0814 | 5 | 0 | 2 | 0.066 | 1 |
| 59567338080 | 0814 | 5 | 0 | 2 | 0.055 | 1 |
Wherein, the road model after three-dimensional modeling will be stored and export with the form of file.
In S104, extract road axis, and do smoothing processing, wherein, road surface comprises following element:
Road width, title, type, grade, laying material, track, fare direction, greenbelt, facility line (zebra stripes, yellow line, double amber lines etc.) etc.
As shown in Figure 2, for the extraction of road axis, need to carry out lane information and fare direction pre-recordedly, namely, when road gathers, record in detail the number of track-lines of road; Fare direction: the turn direction in each track, the information of turning round are in advance accurately being recorded in each track, according to number of track-lines, road width, line is being extended to road surface for center line expansion road surface; At road junction, cut out crossing, and sew up crossing, road surface.
As shown in Figure 3, to the extraction step of road axis, comprise as follows:
Extract road data, analyze road attribute, judge according to the road attribute data whether road shape is consistent, if consistent, extract line centered by center, if inconsistent, advanced trade road cutting, then analyze the road segment segment attribute data after cutting, and center line is set piecemeal.
As shown in Figure 4, three-dimensional road is looked unfamiliar into and is comprised:
Read road track, according to road axis expansion road surface, make road track, fare direction, make road equipment line, greenbelt:
1,, according to attributes such as road width, tracks, expand out road surface;
2, according to road track information, cut out road intersection information;
3, sew up road junction, generate the road junction face;
4,, according to track quantity, generate lane line;
5,, according to track turning information, generate the track direction;
6,, according to road equipment information, generate the information such as double amber lines, greenbelt.
Simultaneously, texture goes out the information such as road surface, lane information, facility line.
The embodiment of the present invention is by providing a kind of three-dimensional road generation system and method, by the wire data analysis to road, thereby carry out Double-number chemical combination and form planar data, simplified the data handling procedure that three-dimensional road is looked unfamiliar, by less cost and lower workload, realize three-dimensional city road-map true to nature.
One of ordinary skill in the art of the present invention are appreciated that; the above embodiment of the present invention is only one of the preferred embodiments of the present invention; for the length restriction; here can not all embodiments of particularize; any enforcement that can embody the claims in the present invention technical scheme, all in protection scope of the present invention.
It should be noted that; above content is in conjunction with concrete embodiment further description made for the present invention; can not assert that the specific embodiment of the present invention only limits to this; under above-mentioned guidance of the present invention; those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improvement or distortion drop in protection scope of the present invention.
Claims (6)
1. a three-dimensional road generation system, is characterized in that, described system comprises:
Projection module, be converted to terrestrial coordinate for the road latitude and longitude coordinates to obtaining;
Data analysis module, cut out for the attribute data to road and terrestrial coordinate data, forms the wire data of road;
The road modeling module, for to described wire data analysis, judge whether to carry out Double-number chemical combination also, if carry out Double-number chemical combination and form planar data;
Three-dimensional road is looked unfamiliar into module, for according to described planar data, extracts road axis, carries out the generation of three-dimensional road face.
2. three-dimensional road generation system as claimed in claim 1, is characterized in that, described wire data comprise road width, lane information, type, direction, length, turn round, road equipment information.
3. a three-dimensional road generation method, is characterized in that, described method comprises:
The road latitude and longitude coordinates of obtaining is converted to terrestrial coordinate;
Attribute data and terrestrial coordinate data to road are cut out, and form the wire data of road;
To described wire data analysis, judge whether to carry out Double-number chemical combination also, if carry out Double-number chemical combination and form planar data;
According to described planar data, extract road axis, carry out the generation of three-dimensional road face.
4. three-dimensional road generation method as claimed in claim 3, is characterized in that, describedly judges whether to carry out Double-number chemical combination specifically comprising:
According to the wire data of road, judge whether the shape in two road is consistent, if consistent, but be Double-number chemical combination road also.
5. three-dimensional road generation method as claimed in claim 4, it is characterized in that, described extraction road axis specifically comprises: extract road data, analyze road attribute, judge according to the road attribute data whether road shape is consistent, if consistent, extract line centered by center, if inconsistent, advanced trade road cutting, then the road segment segment attribute data after cutting is analyzed, center line is set piecemeal.
6. three-dimensional road generation method as claimed in claim 5, is characterized in that, the generation of carrying out the three-dimensional road face specifically comprises:
According to road width, track attribute data, expand road surface;
According to road track information, the cutting road intersection information;
Sew up road junction, generate the road junction face;
According to track quantity, generate lane line;
According to track turning information, generate the track direction;
According to road equipment information, generate double amber lines, greenbelt information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610094984.3A CN105787003B (en) | 2013-08-26 | 2013-08-26 | The method for realizing three-dimensional city road-map true to nature |
| CN201310375929.8A CN103411619B (en) | 2013-08-26 | 2013-08-26 | A kind of three-dimensional road generation system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310375929.8A CN103411619B (en) | 2013-08-26 | 2013-08-26 | A kind of three-dimensional road generation system and method |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610094984.3A Division CN105787003B (en) | 2013-08-26 | 2013-08-26 | The method for realizing three-dimensional city road-map true to nature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103411619A true CN103411619A (en) | 2013-11-27 |
| CN103411619B CN103411619B (en) | 2016-03-23 |
Family
ID=49604647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310375929.8A Expired - Fee Related CN103411619B (en) | 2013-08-26 | 2013-08-26 | A kind of three-dimensional road generation system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103411619B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105069842A (en) * | 2015-08-03 | 2015-11-18 | 百度在线网络技术（北京）有限公司 | Modeling method and device for three-dimensional model of road |
| CN105953811A (en) * | 2016-04-29 | 2016-09-21 | 百度在线网络技术（北京）有限公司 | Road display method and device based on map data |
| CN106197439A (en) * | 2016-06-24 | 2016-12-07 | 百度在线网络技术（北京）有限公司 | Road method for drafting and device |
| CN106327566A (en) * | 2016-08-30 | 2017-01-11 | 北京像素软件科技股份有限公司 | Method for generating virtual-reality three dimensional road |
| CN106611440A (en) * | 2015-10-26 | 2017-05-03 | 北京四维图新科技股份有限公司 | Method and device for extracting real scene picture |
| CN106679680A (en) * | 2015-11-11 | 2017-05-17 | 阿尔派株式会社 | Navigation device and map display method thereof |
| WO2017166687A1 (en) * | 2016-03-31 | 2017-10-05 | 百度在线网络技术（北京）有限公司 | Method and apparatus for generating three-dimensional intersection roadway model, and storage medium |
| CN107391753A (en) * | 2017-08-17 | 2017-11-24 | 烟台市公路管理局 | A kind of road production vector quantization data automatic creation system and method based on GIS |
| CN108563915A (en) * | 2018-07-17 | 2018-09-21 | 成都合纵连横数字科技有限公司 | Vehicle digitizes emulation testing model construction system and method, computer program |
| CN109520513A (en) * | 2018-10-22 | 2019-03-26 | 浙江吉利汽车研究院有限公司 | A kind of three-dimensional map method for drafting and device |
| CN111238500A (en) * | 2018-11-29 | 2020-06-05 | 沈阳美行科技有限公司 | Map generation method, device and system for road segments of road map area |
| CN111238505A (en) * | 2018-11-29 | 2020-06-05 | 沈阳美行科技有限公司 | Road segment drawing method, device and related system of road map |
| CN113343858A (en) * | 2021-06-10 | 2021-09-03 | 广州海格通信集团股份有限公司 | Road network geographic position identification method and device, electronic equipment and storage medium |
| CN115346012A (en) * | 2022-08-19 | 2022-11-15 | 腾讯科技（深圳）有限公司 | Intersection surface generation method, apparatus, device, storage medium and program product |
| CN115512601A (en) * | 2022-11-15 | 2022-12-23 | 武汉智图科技有限责任公司 | Automatic splicing method and device for geographic information non-connection linear elements |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1938738A (en) * | 2004-03-31 | 2007-03-28 | 日本先锋公司 | Map creation device and navigation device |
| CN102436678A (en) * | 2010-09-29 | 2012-05-02 | 比亚迪股份有限公司 | Method and system for generating three-dimensional road model |
-
2013
- 2013-08-26 CN CN201310375929.8A patent/CN103411619B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1938738A (en) * | 2004-03-31 | 2007-03-28 | 日本先锋公司 | Map creation device and navigation device |
| CN102436678A (en) * | 2010-09-29 | 2012-05-02 | 比亚迪股份有限公司 | Method and system for generating three-dimensional road model |
Non-Patent Citations (1)
| Title |
|---|
| 于静波等: "三维公路GIS模型的构建", 《黑龙江工程学院学报（自然科学版）》 * |
Cited By (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105069842A (en) * | 2015-08-03 | 2015-11-18 | 百度在线网络技术（北京）有限公司 | Modeling method and device for three-dimensional model of road |
| CN106611440A (en) * | 2015-10-26 | 2017-05-03 | 北京四维图新科技股份有限公司 | Method and device for extracting real scene picture |
| CN106679680B (en) * | 2015-11-11 | 2021-03-12 | 阿尔派株式会社 | Navigation device and map display method thereof |
| CN106679680A (en) * | 2015-11-11 | 2017-05-17 | 阿尔派株式会社 | Navigation device and map display method thereof |
| WO2017166687A1 (en) * | 2016-03-31 | 2017-10-05 | 百度在线网络技术（北京）有限公司 | Method and apparatus for generating three-dimensional intersection roadway model, and storage medium |
| CN105953811B (en) * | 2016-04-29 | 2019-04-30 | 百度在线网络技术（北京）有限公司 | Road display method and device based on map datum |
| CN105953811A (en) * | 2016-04-29 | 2016-09-21 | 百度在线网络技术（北京）有限公司 | Road display method and device based on map data |
| CN106197439A (en) * | 2016-06-24 | 2016-12-07 | 百度在线网络技术（北京）有限公司 | Road method for drafting and device |
| CN106197439B (en) * | 2016-06-24 | 2019-08-02 | 百度在线网络技术（北京）有限公司 | Road method for drafting and device |
| CN106327566B (en) * | 2016-08-30 | 2019-07-05 | 北京像素软件科技股份有限公司 | The generation method of virtual reality three-dimensional road |
| CN106327566A (en) * | 2016-08-30 | 2017-01-11 | 北京像素软件科技股份有限公司 | Method for generating virtual-reality three dimensional road |
| CN107391753B (en) * | 2017-08-17 | 2018-04-17 | 烟台市公路管理局 | A kind of road production vector quantization data automatic creation system and method based on GIS |
| CN107391753A (en) * | 2017-08-17 | 2017-11-24 | 烟台市公路管理局 | A kind of road production vector quantization data automatic creation system and method based on GIS |
| CN108563915A (en) * | 2018-07-17 | 2018-09-21 | 成都合纵连横数字科技有限公司 | Vehicle digitizes emulation testing model construction system and method, computer program |
| CN108563915B (en) * | 2018-07-17 | 2022-03-18 | 成都合纵连横数字科技有限公司 | Vehicle digital simulation test model construction system and method, and computer program |
| CN109520513B (en) * | 2018-10-22 | 2020-08-07 | 浙江吉利汽车研究院有限公司 | Three-dimensional map drawing method and device |
| CN109520513A (en) * | 2018-10-22 | 2019-03-26 | 浙江吉利汽车研究院有限公司 | A kind of three-dimensional map method for drafting and device |
| CN111238505B (en) * | 2018-11-29 | 2023-11-24 | 沈阳美行科技股份有限公司 | Road line segment drawing method, device and related system of road map |
| CN111238500A (en) * | 2018-11-29 | 2020-06-05 | 沈阳美行科技有限公司 | Map generation method, device and system for road segments of road map area |
| CN111238505A (en) * | 2018-11-29 | 2020-06-05 | 沈阳美行科技有限公司 | Road segment drawing method, device and related system of road map |
| CN111238500B (en) * | 2018-11-29 | 2022-07-26 | 沈阳美行科技股份有限公司 | Map generation method, device and system for road segments of road map area |
| CN113343858A (en) * | 2021-06-10 | 2021-09-03 | 广州海格通信集团股份有限公司 | Road network geographic position identification method and device, electronic equipment and storage medium |
| CN113343858B (en) * | 2021-06-10 | 2024-03-12 | 广州海格通信集团股份有限公司 | Road network geographic position identification method and device, electronic equipment and storage medium |
| CN115346012B (en) * | 2022-08-19 | 2023-10-17 | 腾讯科技（深圳）有限公司 | Intersection face generation method, device, equipment, storage medium and program product |
| CN115346012A (en) * | 2022-08-19 | 2022-11-15 | 腾讯科技（深圳）有限公司 | Intersection surface generation method, apparatus, device, storage medium and program product |
| CN115512601A (en) * | 2022-11-15 | 2022-12-23 | 武汉智图科技有限责任公司 | Automatic splicing method and device for geographic information non-connection linear elements |
| CN115512601B (en) * | 2022-11-15 | 2023-02-28 | 武汉智图科技有限责任公司 | Automatic splicing method and device for geographic information non-connection linear elements |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103411619B (en) | 2016-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103411619B (en) | A kind of three-dimensional road generation system and method | |
| CN107092680B (en) | Government affair information resource integration method based on geographic grids | |
| Wang et al. | Identification and analysis of urban functional area in Hangzhou based on OSM and POI data | |
| Wei et al. | Multiscale identification of urban functional polycentricity for planning implications: An integrated approach using geo-big transport data and complex network modeling | |
| CN108665149B (en) | Method and system for measuring and calculating degree of mixing based on urban functions | |
| CN105787003B (en) | The method for realizing three-dimensional city road-map true to nature | |
| CN104408564A (en) | Digital water resource system | |
| CN103234547A (en) | Method and device for displaying road scene in vacuum true three-dimensional navigation | |
| CN107391753A (en) | A kind of road production vector quantization data automatic creation system and method based on GIS | |
| Liu et al. | Dynamic estimation system for fire station service areas based on travel time data | |
| CN103234546B (en) | The method and apparatus of lane change induction in true three-dimensional navigation | |
| CN115292507A (en) | Traffic travel analysis method, device, equipment and medium based on knowledge graph | |
| Acampa et al. | City information model for the optimization of urban maintenance cost | |
| WO2023232055A1 (en) | Map generation method and apparatus | |
| Jacques et al. | Does travel behavior matter in defining urban form? A quantitative analysis characterizing distinct areas within a region | |
| Lin et al. | Study on spatial form evolution of traditional villages in Jiuguan under the influence of historic transportation network | |
| Pascaul et al. | An architecture for geographic information systems on the web-WebGIS | |
| CN110873571B (en) | Intersection stop line data acquisition method, system and device | |
| Tiwari et al. | 3D city model enabled e-governance for sustainable urbanization | |
| McCormack | Developing transportation metrics from commercial gps truck data | |
| Nadeem | Monitoring urbanization and comparison with city master plans using remote sensing and GIS: A case study of Lahore District, Pakistan | |
| Barman et al. | An approach to GIS-based traffic information system using Spatial Oracle | |
| Wang et al. | An approach to urban system spatial planning in Chengdu Chongqing economic circle using geospatial big data | |
| Prasad et al. | Watershed Based Web Gis: Case Study of Palopo Watershed Area South Sulawesi, Indonesia | |
| Huang | Protecting urban river views with Geodesign approach |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Xiaohua Inventor after: Jiang Yong Inventor after: Gu Jinjin Inventor before: Liang Yongjie Inventor before: Liu Cuan Inventor before: Gu Jinjin Inventor before: Jiang Yong |
|
| COR | Change of bibliographic data | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160323 Termination date: 20200826 |