CN102096713A - Grid-based two-dimensional or three-dimensional map matching method and system - Google Patents
Grid-based two-dimensional or three-dimensional map matching method and system Download PDFInfo
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Abstract
The invention discloses a grid-based two-dimensional or three-dimensional map matching method. The method comprises the following steps of: acquiring batches of coordinate matching point pairs on a three-dimensional map and a two-dimensional map based on the same map environment, wherein coordinate matching points are a group of corresponding points and corresponding coordinates on the same map geographic position; taking the coordinate matching point as a crossing point, respectively forming two sets of coordinate grids on the three-dimensional map and the two-dimensional map; calculating conversion parameters of a rectangular grid formed by every two matching points; calculating conversion coordinates corresponding to conversion points through the conversion parameters; and outputting the data of data coordinates of all conversion point needing to be converted to finish map conversion based on the conversion relationship between the two-dimensional map and the three-dimensional map. The embodiment of the invention also discloses grid-based two-dimensional or three-dimensional map matching system. By implementing the method and the system, the coordinate association of various types of elements on the two-dimensional map and the three-dimensional map is calculated so as to realize cross-map application of data.
Description
Technical field
The present invention relates to field of computer technology, relate in particular to a kind of based on gridding two three-dimensional map matching process and systems.
Background technology
Map is as the abstract displaying in space of showing data realistically, and its data are the fields of strict monitoring of country and management always.The map datum of domestic different map manufacturer production, offering actual use when (containing inner the use and public service), all need to carry out the independent encryption conversion through relevant secret department of country, map after the conversion is all encrypted and is adjusted on map reference, absolute position difference, so the map of any two width of cloth different manufacturers productions all can't superpose completely.But in the practice process, often the user need carry out the data stack, particularly some thematic application datas between different maps, realizes the thinking of " figure " management.
Three-dimensional map is in order to allow building solid more, and general employing is rotated and overlooked conversion and strengthens stereoeffect, and is so just all variant on direction and angle with traditional two-dimensional map.Thereby can't satisfy user's demand degree.
Summary of the invention
The embodiment of the invention has solved because after different pieces of information production firm map datum encrypted, coordinate can't be unified, can't be consistent on the transfer algorithm, thus the problem that in transfer process, can't mate with three-dimensional map.Solve the demand that thematic data is showed at two dimension, three-dimensional map same position technically, improved the data compatibility and the transportable property of three-dimensional map and other two-dimensional maps, and from having solved the problem that data can't be reused.
Based on above-mentioned purpose, it is a kind of based on gridding two three-dimensional map matching process that the embodiment of the invention provides, and comprising:
It is right to obtain coordinate match point in batches on based on three-dimensional map under the same map environment and two-dimensional map, and described coordinate match point is to being meant one group of corresponding point and the pairing coordinate on same map geographic position;
With the coordinate match point is intersection point, forms two cover coordinate grids according to all directions direction respectively on three-dimensional map and two-dimensional map;
Calculate conversion parameter in the rectangular node that per two match points form (Ix, Iy), computing formula:
；
When the coordinate conversion of calculating between a transfer point realization two-dimensional map and three-dimensional map, two coordinate match points that the selected distance transfer point is nearest, utilize two match points to form the rectangular coordinates grid, calculate the conversion parameter in this grid, and calculate the pairing converted coordinate of transfer point by described conversion parameter;
All transfer points based on the transformational relation between two-dimensional map and three-dimensional map, are exported all the transfer point data coordinates data that need change the map conversion of finishing between two-dimensional map and three-dimensional map.
Described method is used to realize that two-dimensional map changes to three-dimensional map, realizes that perhaps three-dimensional map changes to two-dimensional map.
Described two-dimensional map uses geographic coordinate, and described three-dimensional map uses coordinate system.
Accordingly, it is a kind of based on gridding two three-dimensional map matching systems that the embodiment of the invention also provides, and comprising:
The data input processing module obtains the coordinate of determining, the row format processing of going forward side by side on two-dimensional map or three-dimensional map;
The match point computing module, be used to carry out between three-dimensional map and two-dimensional map conversion parameter (Ix, Iy), computing formula is:
；
The coordinate conversion computing module is used for based on the conversion parameter of match point counter the coordinate of determining in the data input processing module being carried out conversion between two-dimensional map and three-dimensional map coordinate;
The data output processing module is used for that the data after the conversion are carried out integral body and is input to two-dimensional map coordinate or the three-dimensional map coordinate of being changed, and realizes the position translation and the data display of whole two-dimensional map or three-dimensional map.
It is right that described match point computing module obtains coordinate match point in batches on based on three-dimensional map under the same map environment and two-dimensional map, and described coordinate match point is to being meant one group of corresponding point and the pairing coordinate on same map geographic position; With the coordinate match point is intersection point, forms two cover coordinate grids according to all directions direction respectively on three-dimensional map and two-dimensional map; Calculate conversion parameter in the rectangular node that per two match points form (Ix, Iy), computing formula:
Conversion parameter in the described match point computing module is kept in the match point computing module in advance.
By implementing the embodiment of the invention, by set up with different maps between transformational relation, by the coordinate conversion counter, calculate all types of elements in two dimension, coordinate association on the three-dimensional map, that realizes data strides map application, the interconnected application that has fundamentally solved data, improved the reusability of data greatly, reduced the workload and the complexity of data repetition typing, and the technical scheme strong operability in the embodiment of the invention, practical easy-to-use.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 be in the embodiment of the invention based on gridding two three-dimensional map matching system structural representations;
Fig. 2 be in the embodiment of the invention based on gridding two three-dimensional map matching process process flow diagrams;
Fig. 3 is general cartography technological process;
Fig. 4 is one of same position group of corresponding point and a coordinate synoptic diagram thereof on the two and three dimensions map in the embodiment of the invention;
Fig. 5 is a two and three dimensions map grid conversion synoptic diagram in the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
The embodiment of the invention provides a kind of novel two dimension, three-dimensional map coordinate transformation method and system, the two dimensional surface map datum coordinate of different pieces of information production firm manufacturing and the coordinate transformation relation between the three-dimensional artificial urban map reference have mainly been realized, can finish the data on two-dimensional map, can on three-dimensional map, represent corresponding position by conversion; Can realize that also the three-dimensional map data-switching shows to two-dimensional map.
Based on core concept of the present invention, Fig. 1 show in the embodiment of the invention based on gridding two three-dimensional map matching system structural representations, this system comprises: data input processing module 101, match point computing module 102, coordinate conversion computing module 103 and data output processing module 104, wherein:
Data input processing module 101 obtains the coordinate of determining, the row format processing of going forward side by side on two-dimensional map or three-dimensional map;
Match point computing module 102, be used to carry out between three-dimensional map and two-dimensional map conversion parameter (Ix, Iy), computing formula is:
；
Coordinate conversion computing module 103 is used for based on the conversion parameter of match point counter the coordinate of determining in the data input processing module being carried out conversion between two-dimensional map and three-dimensional map coordinate;
Data output processing module 104 is used for that the data after the conversion are carried out integral body and is input to two-dimensional map coordinate or the three-dimensional map coordinate of being changed, and realizes the position translation and the data display of whole two-dimensional map or three-dimensional map.
It is right that this match point computing module 102 obtains coordinate match point in batches on based on three-dimensional map under the same map environment and two-dimensional map, and described coordinate match point is to being meant one group of corresponding point and the pairing coordinate on same map geographic position; With the coordinate match point is intersection point, forms two cover coordinate grids according to all directions direction respectively on three-dimensional map and two-dimensional map; Calculate conversion parameter in the rectangular node that per two match points form (Ix, Iy), computing formula:
The match point computing module 102 here can also directly be stored these conversion parameters, directly is the source of coordinate conversion computing module 103 data, and the obtain manner of its conversion parameter is based on all that the aforementioned calculation formula gets.
This system can realize also can realizing based on three-dimensional map to the two-dimensional map translation function based on the translation function of two-dimensional map between three-dimensional map.For the two-dimensional map in the whole system to the workflow of three-dimensional map conversion be: the user determines certain point (line or face) on two-dimensional map, system will obtain the coordinate of this point on the two-dimensional map, and this point coordinate is offered input processing module 101 by input interface format processing, data after finishing dealing with will offer the data-switching calculating that coordinate conversion computing module 102 carries out two three-dimensional coordinates, simultaneously, coordinate conversion computing module 102 can call the database of match point computing module 102, access a collection of coordinate conversion parameters calculated that is used for, result of calculation will send to data output processing module 104 and convert the three-dimensional map coordinate to, finish coordinate after the conversion and will offer the three-dimensional map platform and carry out position translation, operations such as data display.
Technical scheme in the embodiment of the invention by set up with different maps between transformational relation, by the coordinate conversion counter, calculate the coordinate association of all types of elements on two dimension, three-dimensional map, realize the map application of striding of data, fundamentally solved the interconnected application of data, improve the reusability of data greatly, reduced the workload and the complexity of data repetition typing.
In the manufacture craft of three-dimensional map, generally can handle the remote sensing satellite image.As shown in Figure 3, be general cartography technological process, at first, will be to remote sensing satellite striograph (having coordinate system) the 45 degree operations that turn clockwise, and then postrotational satellite image map is carried out forward overlook 45 processing of spending, what obtain is exactly the final base map of building three-dimensional map.All three-dimensional map models will be placed into corresponding position according to this base map, just can build up the three-dimensional artificial map of present existence after all model is finished.
Therefore, based on above-mentioned purpose and thinking, based on gridding two three-dimensional map matching process, comprising in the embodiment of the invention:
It is right to obtain coordinate match point in batches on based on three-dimensional map under the same map environment and two-dimensional map, and described coordinate match point is to being meant one group of corresponding point and the pairing coordinate on same map geographic position;
With the coordinate match point is intersection point, forms two cover coordinate grids according to all directions direction respectively on three-dimensional map and two-dimensional map;
Calculate conversion parameter in the rectangular node that per two match points form (Ix, Iy), computing formula:
When the coordinate conversion of calculating between a transfer point realization two-dimensional map and three-dimensional map, two coordinate match points that the selected distance transfer point is nearest, utilize two match points to form the rectangular coordinates grid, calculate the conversion parameter in this grid, and calculate the pairing converted coordinate of transfer point by described conversion parameter;
All transfer points based on the transformational relation between two-dimensional map and three-dimensional map, are exported all the transfer point data coordinates data that need change the map conversion of finishing between two-dimensional map and three-dimensional map.
This method is used to realize that two-dimensional map changes to three-dimensional map, realizes that perhaps three-dimensional map changes to two-dimensional map.
Shown in Fig. 4,5, describe to three-dimensional map conversion with two-dimensional map, its group will comprise the steps:
S201: by mathematical algorithm, the manufacture craft of reduction three-dimensional map, with overlook 45, the three-dimensional maps reduction of rotation 45 degree becomes and overlooks 90 degree, ground angle of field without spin.Like this direction of three-dimensional map just with the direction consistent (up north and down south) of ordinary two dimensional map.
S202: by right in two two dimensions, the coordinate match point that obtains above the three-dimensional map in batches.The coordinate match point is to being meant at two dimension, the one group of corresponding point and the coordinate thereof of same position on the three-dimensional map, and two-dimensional map is general, and what use is geographic coordinate (as longitude and latitude), and what three-dimensional map used is coordinate system (as the number coordinate system).
S203: with the coordinate match point is intersection point, forms two cover coordinate grids according to all directions direction (two dimension is a up north and down south, three-dimensional direct north rotation 45 degree) respectively on two dimension, three-dimensional map.
S204: calculate conversion parameter in the rectangle graticule mesh that per two match points form (Ix, Iy), computing formula:
S205: when needs calculate the coordinate time of a coordinate from 2 d-to-3 d, need two nearest match point (A of selected distance transfer point (as P), B), utilize two match points to form the rectangular coordinates graticule mesh, calculate the conversion parameter in this graticule mesh, can calculate the converted coordinate that P is ordered then.
S206: the coordinate data after will changing by output module converts the coordinate format on two dimension, the three-dimensional to according to the format requirement, and shows on two dimension, three-dimensional map, realizes the final effect of whole coordinate conversion.
To sum up, by implementing the present invention, by set up with different maps between transformational relation, by the coordinate conversion counter, calculate the coordinate association of all types of elements on two-dimentional, three-dimensional map, realize the map application of striding of data, fundamentally solve the interconnected application of data, improved the reusability of data greatly, reduced the workload and the complexity of data repetition typing, and the technical scheme strong operability in the embodiment of the invention, practical easy-to-use.
More than to the embodiment of the invention provided based on gridding two three-dimensional map matching process and systems, be described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (6)
1. one kind based on gridding two three-dimensional map matching process, it is characterized in that, comprising:
It is right to obtain coordinate match point in batches on based on three-dimensional map under the same map environment and two-dimensional map, and described coordinate match point is to being meant one group of corresponding point and the pairing coordinate on same map geographic position;
With the coordinate match point is intersection point, forms two cover coordinate grids according to all directions direction respectively on three-dimensional map and two-dimensional map;
Calculate conversion parameter in the rectangular node that per two match points form (Ix, Iy), computing formula:
；
When the coordinate conversion of calculating between a transfer point realization two-dimensional map and three-dimensional map, two coordinate match points that the selected distance transfer point is nearest, utilize two match points to form the rectangular coordinates grid, calculate the conversion parameter in this grid, and calculate the pairing converted coordinate of transfer point by described conversion parameter;
All transfer points based on the transformational relation between two-dimensional map and three-dimensional map, are exported all the transfer point data coordinates data that need change the map conversion of finishing between two-dimensional map and three-dimensional map.
2. as claimed in claim 1ly it is characterized in that described method is used to realize that two-dimensional map changes to three-dimensional map, realize that perhaps three-dimensional map changes to two-dimensional map based on gridding two three-dimensional map matching process.
3. as claimed in claim 1ly it is characterized in that based on gridding two three-dimensional map matching process that described two-dimensional map uses geographic coordinate, described three-dimensional map uses coordinate system.
4. one kind based on gridding two three-dimensional map matching systems, it is characterized in that, comprising:
The data input processing module obtains the coordinate of determining, the row format processing of going forward side by side on two-dimensional map or three-dimensional map;
The match point computing module, be used to carry out between three-dimensional map and two-dimensional map conversion parameter (Ix, Iy), computing formula is:
；
The coordinate conversion computing module is used for based on the conversion parameter of match point counter the coordinate of determining in the data input processing module being carried out conversion between two-dimensional map and three-dimensional map coordinate;
The data output processing module is used for that the data after the conversion are carried out integral body and is input to two-dimensional map coordinate or the three-dimensional map coordinate of being changed, and realizes the position translation and the data display of whole two-dimensional map or three-dimensional map.
5. as claimed in claim 4 based on gridding two three-dimensional map matching systems, it is characterized in that, it is right that described match point computing module obtains coordinate match point in batches on based on three-dimensional map under the same map environment and two-dimensional map, and described coordinate match point is to being meant one group of corresponding point and the pairing coordinate on same map geographic position; With the coordinate match point is intersection point, forms two cover coordinate grids according to all directions direction respectively on three-dimensional map and two-dimensional map; Calculate conversion parameter in the rectangular node that per two match points form (Ix, Iy), computing formula:
6. as claimed in claim 4ly it is characterized in that based on gridding two three-dimensional map matching systems the conversion parameter in the described match point computing module is kept in the match point computing module in advance.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1364280A (en) * | 2000-03-14 | 2002-08-14 | 爱信Aw株式会社 | Road map display device and recording medium used therefor |
| CN1609910A (en) * | 2003-10-20 | 2005-04-27 | Lg电子有限公司 | Method for displaying three-dimensional map |
| CN1645056A (en) * | 2004-01-20 | 2005-07-27 | Lg电子有限公司 | Method for converting coordinate values of map data |
-
2011
- 2011-01-29 CN CN2011100325175A patent/CN102096713A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1364280A (en) * | 2000-03-14 | 2002-08-14 | 爱信Aw株式会社 | Road map display device and recording medium used therefor |
| CN1609910A (en) * | 2003-10-20 | 2005-04-27 | Lg电子有限公司 | Method for displaying three-dimensional map |
| CN1645056A (en) * | 2004-01-20 | 2005-07-27 | Lg电子有限公司 | Method for converting coordinate values of map data |
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| CN111708857A (en) * | 2020-06-10 | 2020-09-25 | 北京百度网讯科技有限公司 | Processing method, device and equipment of high-precision map data and storage medium |
| CN111708857B (en) * | 2020-06-10 | 2023-10-03 | 北京百度网讯科技有限公司 | Processing method, device, equipment and storage medium for high-precision map data |
| CN112130151A (en) * | 2020-10-16 | 2020-12-25 | 中国有色金属长沙勘察设计研究院有限公司 | Arc synthetic aperture ground radar coordinate projection rapid calculation method |
| CN112130151B (en) * | 2020-10-16 | 2022-07-08 | 中国有色金属长沙勘察设计研究院有限公司 | Arc synthetic aperture ground radar coordinate projection rapid calculation method |
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| CN112308969A (en) * | 2020-12-23 | 2021-02-02 | 中智行科技有限公司 | Three-dimensional map generation method and device |
| CN112308969B (en) * | 2020-12-23 | 2021-04-09 | 中智行科技有限公司 | Three-dimensional map generation method and device |
| CN114812576A (en) * | 2022-05-23 | 2022-07-29 | 上海钛米机器人股份有限公司 | Map matching method and device and electronic equipment |
| CN115840732A (en) * | 2023-01-30 | 2023-03-24 | 北京四维图新科技股份有限公司 | Method, device and equipment for determining target object in special area in map |
| CN117807176A (en) * | 2023-12-29 | 2024-04-02 | 中国地质调查局油气资源调查中心 | Knowledge base index construction method, device and equipment based on two-dimensional gridding |
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Application publication date: 20110615 |