Putting forward the change statistic method based on acreage, and counting the varieties of vector map data by using polygon intersection of vector data and changed pixel of raster data.
提出基于面积的变化统计方法，分别利用矢量数据的多边形交集和栅格数据的变化像素来统计地图矢量数据的变化。
Putting forward the change statistic method based on acreage, and counting the varieties of vector map data by using polygon intersection of vector data and changed pixel of raster data.
提出基于面积的变化统计方法，分别利用矢量数据的多边形交集和栅格数据的变化像素来统计地图矢量数据的变化。
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