1、將特定值(-9999)賦值為0 Con("raster"==-9999,0,"raster")
2、將某一范圍內(如小於0)賦值為0 Con("raster" <0,0,"raster")
3、將特定的柵格值(如1)賦值為空值 setnull("raster"==1,"raster")
4、給空值賦予特定的值(如0) CON(ISNULL("raster"),0,"raster")
5、平方和開方 (1)Power(raster,2),Power(raster,0.5) (2)Squre,SquareRoot
6、提取柵格數據中特定值 (1)Pick("raster",[1,2,3,......]) (2)Slope>15,提取Slope大於15的格子,賦值為1,其余為0 (3)Con("Slope">5,"Slope"),提取Slope大於5的格子,值不變 (4)工具箱中Math下面的greater工具,結果為1和0
7、將影像中的多個值賦予無效值 SetNull(("raster == -32768)|("raster" == -10000),"raster")