Texture-mapping-based visualization method for electromagnetic environment volume data

A technology of electromagnetic environment and texture mapping, applied in electrical digital data processing, special data processing applications, design optimization/simulation, etc. It can solve the problems of large data volume, limited promotion and application, etc., and achieve the effect of fast rendering speed

Inactive Publication Date: 2018-08-28
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
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Problems solved by technology

[0004] When it comes to the visualization of electromagnetic environment data in a large space, some current methods need to rely on high-performance hardware facilities for their algorithms and system operations due to the large amount of data processed, which limits their promotion and application.

Method used

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  • Texture-mapping-based visualization method for electromagnetic environment volume data
  • Texture-mapping-based visualization method for electromagnetic environment volume data
  • Texture-mapping-based visualization method for electromagnetic environment volume data

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Embodiment Construction

[0059] Now in conjunction with embodiment, accompanying drawing, the present invention will be further described:

[0060] figure 1 It is a system block diagram of the texture mapping-based electromagnetic environment data visualization method proposed by the present invention, which specifically includes the following steps:

[0061] Step 1: Obtain and load the original electromagnetic environment volume data.

[0062] The original data obtained by the experimental collection system or the discrete data obtained by the electromagnetic wave propagation model calculation module, including geographic space calibration information, determines the spatial coverage of the electromagnetic environment data, and the discrete electromagnetic field intensity data (x, y, z, E) Store Data[NLEVEL][NLON][NLAT] in the format of layer number, row number and column number. Among them, NLEVEL is the index of the number of layers, NLON is the index of the number of columns, and NLAT is the ind...

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Abstract

The invention provides a texture-mapping-based visualization method for electromagnetic environment volume data. The method includes determining the space coverage area of an electromagnetic environment data field according to real geographical longitude and latitude coordinates; taking electromagnetic simulation data acquired through calculation based on experimental data or an electromagnetic wave transmission model of a collection system as original data; generating multiple layers of fine textures from bottom to top in the direction parallel to the earth surface through data interpolationcalculation and color mapping, and mapping the textures to corresponding positions in the space through vertex coordinates and vertex indexing; setting transparency effect through Alpha fusion; efficiently and visually displaying the electromagnetic environment volume data at a high speed to reflect internal and integral data distribution thereof.

Description

technical field [0001] The invention belongs to the field of electromagnetic situation visualization, and in particular relates to a method for visualizing electromagnetic environment data based on texture mapping. Background technique [0002] The electromagnetic situation refers to the state and situation formed by the confrontation between the electromagnetic forces of the two sides of the electronic countermeasures. The electromagnetic situation as a whole has characteristics that are invisible and intangible. The visual expression of its overall nonlinear characteristics and evolution laws is accurate, clear, objective and vivid. and the basis for expressing electromagnetic postures. The electromagnetic environment volume data obtained by using the simulation prediction model of the battlefield electromagnetic environment or the actual measurement of typical scenarios contains multi-dimensional information in the electromagnetic environment. The visualization of these ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50
CPCG06F30/20
Inventor 高颖王子道郭淑霞闫彬舟李启凡邵群汪静
Owner NORTHWESTERN POLYTECHNICAL UNIV
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