一种煤层埋深等值线图的自动生成方法

详细信息

Automatic generation method of the seam depth isolines

College of Geology and Environment, Xi'an University of Science and Technology, Xi'an 710054, China

摘要: 针对勘探资料少、地形复杂情况下绘制的煤层埋深等值线图可信度低的问题,以MAPGIS软件和SURFER软件为基础,在MAPGIS下将地形图进行矢量化和校正,提取地形高程数据,在SURFER软件下生成地表曲面模型和煤层顶面曲面模型,并将两个曲面进行相减,用所获得的第3个曲面来生成煤层埋深等值线图。该图可反映勘查区内任意一处煤层的真正埋深,可正确指导煤层的合理开发。
- 煤层埋深值线图 /
- 计算机制图 /
- MAPGIS /
- SURFER
Abstract: Based on the MAPGIS and SURFER software, we have carried out the vectorization and the correction of topographic map and have extracted topographic elevation data with MAPGIS software. Then, we generated the model of ground surface and the top surface of coal seam with SURFER software. Finally, subtracting the two curved surfaces obtained as described above, we used the third curved surface to draw the burial depth isoline map of coal seam. This figure can truly reflect the real depth at any point in the exploration area. The figure can also correctly guide the rational development of coal seam.
- burial depth isoline map of coal seam /
- computer graphics /
- MAPGIS /
- SURFER

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