20200619 11363700 1.0 TRUE RasterCalculator Con(IsNull("D:\LiMing\WRA03_FonvJhouLeeve\WRA03_FongJhouLeeve.gdb\Pier_DTM_Domain_0p2m"),"D:\LiMing\WRA03_FonvJhouLeeve\DTM\WRA03_FongJhouLeeve_LowestDSM+19m.tif","D:\LiMing\WRA03_FonvJhouLeeve\WRA03_FongJhouLeeve.gdb\Pier_DTM_Domain_0p2m"+19) D:\LiMing\WRA03_FonvJhouLeeve\DTM\WRA03_FongJhouLeeve_LowestDSM+19m_FlattenPier.tif DTM DTM 地形高程：河床DSM_19m_GSD2cm_tif