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Method and device for loading CAD data without geographic coordinate information based on GMap

A technology of geographic coordinates and coordinate information, applied in geographic information database, visual data mining, structured data retrieval, etc., can solve problems such as inability to artificially add, inconvenient for users, and inability to load CAD data without geographic coordinate information, etc. To achieve the effect of simple and high reliability

Pending Publication Date: 2020-06-23
GENEW TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the map data loaded by GMap in the prior art is some non-geographical map data, and the data does not contain and cannot artificially add some real geographic location marks, that is, loading CAD data without geographic coordinate information based on GMap cannot be realized in the prior art , inconvenient for users to use

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  • Method and device for loading CAD data without geographic coordinate information based on GMap
  • Method and device for loading CAD data without geographic coordinate information based on GMap
  • Method and device for loading CAD data without geographic coordinate information based on GMap

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Embodiment Construction

[0043] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0044] After research, the inventor found that in the prior art, when loading map data in GMap, the implementation method of loading geographic maps is used, which requires that the map data must contain geographic coordinate information (such as coordinate system, projection, etc.). However, some projects need to present some privatized CAD data...

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Abstract

The invention relates to a method and device for loading CAD data without geographic coordinate information based on GMap, computer equipment and a medium. The method comprises the steps that the CADdata without geographic information are acquired; selecting any coordinate point A in the coordinate range of the world map; selecting any point B on the CAD data; translating the CAD data to translate the B point to the coordinate A point; setting a coordinate point A of the CAD data as a reference point for displaying coordinate information of the CAD data; obtaining new CAD data with the coordinate information; and loading map data by using the GMap. According to the method, any CAD data without geographic coordinate information can be loaded without modifying codes of coded map related software products, and the method is easy to implement and high in reliability.

Description

technical field [0001] The present application relates to the technical field of map data processing, in particular to a method and device for loading CAD data without geographic coordinate information based on GMap, computer equipment, and a readable storage medium. Background technique [0002] GMap.Net is the next map control of .Net. It can load the maps of various companies based on the Http protocol, such as Google, Bing, and ArcGIS. The main principle is to analyze the URL of the map service of each company and pass in the corresponding parameters to get the corresponding Tiled map. [0003] When GMap loads map data, it uses the implementation method of loading geographic maps, which requires that map data must contain geographic coordinate information (such as coordinate system, projection, etc.). However, some projects need to present some privatized CAD data, such as plant design drawings, park design drawings, etc. However, the map data loaded by GMap in the pri...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/29G06F16/26
CPCG06F16/29G06F16/26
Inventor 孟波吴闽华姜坤卫宣安
Owner GENEW TECH