python-gdal保存并关闭数据集
摘要:https://gis.stackexchange.com/questions/146855/gdal-array-savearray-leaves-dataset-open-in-python Saving and closing datasets/datasources To save and
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arcpy对百万级数量要素分类统计
摘要:300多万要素记录的某图层,根据某字段统计各分类值的数量 方法1:FeatureClassToNumPyArray、numpy.unique uni=np.unique(nd) for i in uni: print i[0],np.sum(nd==i) 方法2:SearchCursor、Count
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