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Figure element dot symbol and dot map symbol exchange method based on path

A map symbol and point-like technology, which is applied in the field of element-based point-shaped symbol exchange and path-based point-shaped map symbols, and can solve the problem of heterogeneity of point-shaped symbols in maps

Inactive Publication Date: 2012-05-02
NANJING NORMAL UNIVERSITY
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AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to overcome the defects existing in the sharing of existing map symbols, and solve the heterogeneous problem of point symbols in maps. Point map symbols (referred to as VGE point map symbols) exchange method, providing bidirectional mapping between primitive method point symbols and path-based point map symbols, realizing the assimilation and sharing of point map symbols

Method used

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  • Figure element dot symbol and dot map symbol exchange method based on path
  • Figure element dot symbol and dot map symbol exchange method based on path
  • Figure element dot symbol and dot map symbol exchange method based on path

Examples

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Embodiment 1

[0031] Such as figure 2 As shown, the exchange method between primitive method point symbols and path-based point map symbols, this method includes the transformation from primitive method point symbols to path-based point map symbols and path-based point map symbols to primitive method The dotted symbol converts the two parts.

[0032] The conversion from primitive method point symbols to path-based point map symbols includes the following steps:

[0033] Step 1. Interpretation of point symbols by primitive method;

[0034] Step 2, classification of point symbols by primitive method;

[0035] Step 3: Mapping point-shaped symbols based on primitive method to point-shaped map symbols based on paths.

[0036] This example uses Windows XP SP3 as the operating system environment, Visual Studio 2008 SP1 as the development environment, C++ as the development language, and SuperMap2008 as the GIS platform.

[0037] The specific implementation steps are as follows:

[0038]Step ...

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Abstract

The invention discloses a figure element dot symbol and a dot map symbol exchange method based on a path; and the method comprises that the figure element dot symbol is converted into the dot map symbol based on the path, and the dot map symbol based on the path is converted into the figure element dot symbol. The conversion of the figure element dot symbol into the dot map symbol based on the path means to interpret the figure element dot symbol, and then classify the figure element dot symbol data according to a geometric shape, and finally map an actual figure element dot symbol object into the dot map symbol based on the path. The conversion of the dot map symbol based on the path to the figure element dot symbol means to interpret the dot map symbol based on the path, and then classify the dot map symbol based on the path according to a geometric shape, and finally map the dot map symbol based on the path into the figure element dot symbol.

Description

technical field [0001] The invention relates to the field of geographical information sharing, in particular to a method for exchanging point symbols based on primitive methods and point map symbols based on paths. Background technique [0002] Geographic information sharing refers to the common use of geographic information based on hardware technologies such as computers and spatial data infrastructure, and supported by soft environments such as standards, policies, and laws. Map symbols are the main tool for spatial data visualization. It stimulates the left brain of people through pictographic and comprehensible graphics to generate mental images to convey information such as the characteristics and distribution rules of geographical entities. [0003] The existing geographic information sharing technology rarely considers the sharing of map symbol information, and even if it does, the effect is not ideal, because each geographic information system (GIS) software platfor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06T11/00G06F17/30
Inventor 温永宁吴明光陈泰生闾国年盛业华
Owner NANJING NORMAL UNIVERSITY
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