A data conversion method and data conversion device

A conversion method and data technology, applied in the field of data processing, can solve problems such as unrealistic, unrealizable, and inability to meet actual needs at a single point

Active Publication Date: 2016-09-28
BEIJING TRANWISEWAY INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

Therefore, if these boundary points are converted one by one, it is obviously impossible to meet the actual needs, and for a map with a large number of boundary points, it is obviously unrealistic and impossible to convert a single point

Method used

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  • A data conversion method and data conversion device
  • A data conversion method and data conversion device
  • A data conversion method and data conversion device

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Embodiment Construction

[0048] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0049] refer to figure 1 , shows a flow chart of a data conversion method in the present invention, and this embodiment may specifically include the following steps:

[0050] Step 100, read the geographic coordinate data, and extract the boundary data of the geographic coordinate data;

[0051] The reading of geographical coordinate data described in this embodiment may specifically include the following sub-steps:

[0052] Sub-step 1, open the original area map through the desktop geographic system software;

[0053] MapInfo is the desktop geographic information system software of American MapInfo Company, and it is a desktop solution for data visualization and information mapping. Based on the concept of map and its applicati...

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Abstract

The invention provides a data conversion method and a data conversion apparatus, for realizing the purpose of batch conversion of geographical coordinate data into a screen coordinate data format. The data conversion method comprises: reading geographical coordinate data, and extracting the boundary data of the geographical coordinate data; rarefying the boundary data, and obtained rarefied boundary data; and scheduling a geographical coordinate conversion screen coordinate interface to perform conversion on the geographical coordinate data and the rarefied boundary data, and obtaining screen coordinate data. The method and apparatus provided by the invention can realize the purpose of the batch conversion of the geographical coordinate data into the screen coordinate data format.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to a data conversion method and a data conversion device. Background technique [0002] When displaying the FLASH map, it is necessary to convert the geographic latitude and longitude format of the boundary points on the map to the screen coordinate format supported by FLASH, and there are a large number of boundary points on the entire map. For example, on the national map, the boundaries of each province are adjacent. , there are a large number of border points between these adjacent provinces. Therefore, if these boundary points are converted one by one, it is obviously unable to meet the actual needs, and for a map with a large number of boundary points, it is obviously unrealistic and impossible to convert a single point. [0003] Therefore, a technical problem urgently needed to be solved by those skilled in the art is: how to perform batch processing on geographic co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09B29/00
Inventor 张韬邓伟张鹤高张志平胡道生夏曙东
Owner BEIJING TRANWISEWAY INFORMATION TECH
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