CN103093039A - Engineering application method of collecting traffic road data from electronic map - Google Patents
Engineering application method of collecting traffic road data from electronic map Download PDFInfo
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- CN103093039A CN103093039A CN2012105946650A CN201210594665A CN103093039A CN 103093039 A CN103093039 A CN 103093039A CN 2012105946650 A CN2012105946650 A CN 2012105946650A CN 201210594665 A CN201210594665 A CN 201210594665A CN 103093039 A CN103093039 A CN 103093039A
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Abstract
The invention relates to an engineering application method of collecting traffic road data from an electronic map. The method includes the following steps: collecting traffic road data from a network electronic map through route query, route analysis and coordinate transformation; and writing the data into a newly established DWG engineering drawing document of Auto Computer Aided Design (AutoCAD) one by one according to engineering plane positions to accomplish the application from the network electronic map to an electronic engineering drawing. The engineering application method of collecting the traffic road data from the electronic map has the advantages of being faster in data updating, strong in up-to-date state, easy to operate, accurate in factor positioning, high in operation efficiency and the like for automatic collection and engineering application of the traffic road data. The engineering application method of collecting the traffic road data from the electronic map is a feasible, zero-cost and efficient data acquisition method on the condition that a road vector diagram is absent or a vector diagram of a newly-built road needs to be supplemented, provides data sources for engineering design and other applications, saves data acquisition cost, and improves design efficiency.
Description
Technical field
The invention belongs to the technical field of engineering design, particularly a kind of engineering application process that extracts the traffic route data from electronic chart.
Background technology
In engineering design, tend to because lack newly-built traffic route because the trend of the times is relatively poor and make result of design inconsiderate in resulting topomap, and the Map Service chamber of commerce is presented on newly-built road on electronic chart more in time so that more fully navigation Service to be provided.If obtain the road key element of this this enhancing, had two kinds of ways: 1, artificial tracing digitizing extracts in the past; 2, extract based on the pattern-recognition of image, the former time and effort consuming, latter's development difficulty is large, the identification rate variance, but the electronic chart application for multiple dimensioned is not strong.
Summary of the invention
The purpose of this invention is to provide road extraction and through engineering approaches application technology that a kind of path query functional development that has utilized electronic chart forms, speed is fast, accurate positioning, the simple engineering application process of traffic route data that extracts from electronic chart.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of engineering application process that extracts the traffic route data from electronic chart comprises the following steps:
Step 1: the data of extracting traffic route from network electronic map by path query, path parsing and coordinate conversion;
Step 2: data are written to one by one by the engineering planimetric position in the DWG engineering drawing file of AUTUCAD of new establishment and go, thereby complete by the application of network electronic map to electronic engineering figure.
The present invention uses automatic extraction and the through engineering approaches of traffic route data, have that Data Update is fast, the trend of the times by force and simple to operate, key element accurate positioning and operating efficiency high, in the situation that do not have road vectors figure maybe to need to replenish the efficient data acquisition modes that newly-built road vectors figure is feasible a, zero cost, for engineering design and other application provide data source, save the data acquisition cost, improved design efficiency.
Description of drawings
Fig. 1 is process flow diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
The path query function api function of the present invention by Google Maps realizes that half interactively vector traffic diagram data gathers, engineering becomes figure output under conversion and any engineering plane automatically.When extracting road, only need to select Origin And Destination and the alternative import pathway point of circuit on network map, just can accurately obtain by the API path query XML data of this road information, by the summit of the XML data being carried out the path resolve namely can pathway the output of KML key element, the invention provides simultaneously the KML file to and can be transformed into the DWG engineering drawing file of arbitrary coordinate system.Concrete steps are:
1, extract digitized vector element and export the KML file from Google Maps: by the path query API power function of Google Maps, when extracting road, only need to select Origin And Destination and the alternative import pathway point of circuit on network map, just can accurately obtain by the API path query XML data of this road information, by the summit of the XML data being carried out the path resolve namely can pathway line summit series, this summit series can be joined key element as the key element of KML and concentrate; Until all road extraction that need to extract are complete, all line features that key element is concentrated output in a KML file;
2, the KML file that generates is carried out the through engineering approaches transformation applications: positional information in the KML file is written to one by one by its engineering planimetric position in the DWG engineering drawing file of AUTUCAD of new establishment and goes, thereby complete by the application of network electronic map to electronic engineering figure.
Described DWG engineering drawing file comprises under different ellipsoids with the high engineering plane projection conversion of compensation projection.
The content that is not described in detail in this instructions belongs to the known prior art of professional and technical personnel in this area.
Claims (6)
1. engineering application process that extracts the traffic route data from electronic chart comprises the following steps:
Step 1: the data of extracting traffic route from network electronic map by path query, path parsing and coordinate conversion;
Step 2: data are written to one by one by the engineering planimetric position in the DWG engineering drawing file of AUTUCAD of new establishment and go, thereby complete by the application of network electronic map to electronic engineering figure.
2. the engineering application process that extracts the traffic route data from electronic chart as claimed in claim 1, it is characterized in that: described network electronic map is Google Maps.
3. the engineering application process that extracts the traffic route data from electronic chart as claimed in claim 1 or 2, it is characterized in that: described method concrete steps are:
101. extract digitized vector element and export the KML file from Google Maps: Origin And Destination and the alternative import pathway point of selecting circuit at Google Maps, path query API power function by Google Maps, accurately obtain the XML data of this road information, resolve the line summit series of pathway by the summit of the XML data being carried out the path, this summit series is joined key element as the vector element of KML to be concentrated, until all road extraction that need to extract are complete, all line features that vector element is concentrated output in a KML file,
Go 201. positional information in the KML file is written to one by one by its engineering planimetric position in the DWG engineering drawing file of AUTUCAD of new establishment, thereby complete by the application of network electronic map to electronic engineering figure.
4. the engineering application process that extracts the traffic route data from electronic chart as claimed in claim 3, it is characterized in that: described DWG engineering drawing file comprises under different ellipsoids with the high engineering plane projection conversion of compensation projection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210594665.0A CN103093039B (en) | 2012-12-31 | 2012-12-31 | The engineer applied method of traffic route data is extracted from electronic chart |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210594665.0A CN103093039B (en) | 2012-12-31 | 2012-12-31 | The engineer applied method of traffic route data is extracted from electronic chart |
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| Publication Number | Publication Date |
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| CN103093039A true CN103093039A (en) | 2013-05-08 |
| CN103093039B CN103093039B (en) | 2016-06-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109461303A (en) * | 2018-10-30 | 2019-03-12 | 北京恒达时讯科技股份有限公司 | A kind of traffic congestion state acquisition methods and device |
| CN109597863A (en) * | 2018-11-06 | 2019-04-09 | 合勤利信(武汉)科技有限公司 | Device, method and the storage medium of pile No. Batch conversion vector path |
| CN110992681A (en) * | 2019-07-10 | 2020-04-10 | 当家移动绿色互联网技术集团有限公司 | Traffic network attribute information generation method, device, storage medium and electronic equipment |
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| CN102508869A (en) * | 2011-10-11 | 2012-06-20 | 西安煤航信息产业有限公司 | Method of importing CAD (computer-aided design) graph and attribute data into GIS (Geographic information system) |
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2012
- 2012-12-31 CN CN201210594665.0A patent/CN103093039B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102508869A (en) * | 2011-10-11 | 2012-06-20 | 西安煤航信息产业有限公司 | Method of importing CAD (computer-aided design) graph and attribute data into GIS (Geographic information system) |
Non-Patent Citations (1)
| Title |
|---|
| 韩元利: "基于GIS的数字铁路选线在工程设计中的应用", 《铁道工程学报》, no. 8, 15 August 2010 (2010-08-15), pages 31 - 32 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109461303A (en) * | 2018-10-30 | 2019-03-12 | 北京恒达时讯科技股份有限公司 | A kind of traffic congestion state acquisition methods and device |
| CN109597863A (en) * | 2018-11-06 | 2019-04-09 | 合勤利信(武汉)科技有限公司 | Device, method and the storage medium of pile No. Batch conversion vector path |
| CN109597863B (en) * | 2018-11-06 | 2021-05-07 | 合勤利信(武汉)科技有限公司 | Device and method for converting pile numbers into vector paths in batch and storage medium |
| CN110992681A (en) * | 2019-07-10 | 2020-04-10 | 当家移动绿色互联网技术集团有限公司 | Traffic network attribute information generation method, device, storage medium and electronic equipment |
| CN110992681B (en) * | 2019-07-10 | 2021-06-11 | 北京五一视界数字孪生科技股份有限公司 | Traffic network attribute information generation method, device, storage medium and electronic equipment |
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| CN103093039B (en) | 2016-06-29 |
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