importarcpyfromarcpy.saimport*fromarcpyimportenvenv.workspace="c:/sapyexamples/data"ExtractMultiValuesToPoints("observers.shp",[["elevation","ELEV"],["costraster","COST"],["flowdir","DIR"]],"NONE") # Description: Extracts the cells of multiple rasters as attributes inimportarcpyfromarcpyimp...
多值提取至点 (ExtractMultiValuesToPoints) 示例 1(Python 窗口) 将多个栅格的像元值提取到 shapefile 点要素类的属性中。 import arcpy from arcpy.sa import * from arcpy import env env.workspace = "c:/sapyexamples/data" ExtractMultiValuesToPoints("observers.shp", [["elevation", "ELEV"], ["cos...
await QueuedTask.Run(() => Geoprocessing.ExecuteToolAsync("management.AddFeatureClassToTopology", par_AddFeatureClass)); 1. 2. 7、添加拓扑规则【重叠】: var par_AddRule = Geoprocessing.MakeValueArray(top_path, "Must Not Overlap (Area)", fc_path, null, null, null); await QueuedTask.Run(...
[“costraster”, “COST”], [“flowdir”, “DIR”]], “NONE”) 多值提取至点 (ExtractMultiValuesToPoints) 示例 2(独立脚本) 使用插值法将多个栅格的像元值提取到 shapefile 点要素类的属性中。 # Name: ExtractMultiValuesToPoints_Ex_02.py # Description: Extracts the cells of multiple rasters ...
Extract Multi Values to Points (Spatial Analyst)Available with Spatial Analyst license. Summary Extracts cell values at locations specified in a point feature class from one or more rasters and records the values to the attribute table of the point feature class. Usage This tool modifies the ...
1、points.shp 2、NDVI.tif Method: ArcToolbox - Spatial Analyst Tools - Extraction - Extract Multi Values to Points Results: 除了正常提取的值外,有些点提取异常,出现-9999 -9999 Discussion: points.shp是地理坐标,未进行投影。因为NDVI.tif的坐标是投影坐标,所以把points.shp投影后便可提取到正常值。
7、e ExtractValuesToPointsExtractMultiValuesToPoints(inPointFeatures, inRasterList, BILINEAR)值提取至点摘要基于一组点要素提取栅格像元值,并将这些值记录到输出要素类的属性表。用法输入点要素类中的所有字段均将包括在输出点要素类中。输出要素类将添加一个名为RASTERVALU的新字段。对多波段栅格使用值提取至点时...
将栅格对应位置像元的像素提取出来。这一步用如下所示的Extract Multi Values to Points工具实现即可~...
ExtractMultiValuesToPoints (in_point_features, in_rasters, {bilinear_interpolate_values}) 参数 说明 数据类型 in_point_features 要添加栅格值的输入点要素。 Feature Layer in_rasters [[Raster, {Output Field Name}],...] 要基于输入点要素的位置提取栅格值。 您还可以为存储栅格值的字段指定名称。默认...
打开【Spatial Analyst Tools】→【Extraction】→【Extract Multi Values to Points】对话框,【Input point features】设置为“test”,【Input rasters】设置为“spline”,其余参数默认;点击【OK】,将检验点处的趋势面值记录到该点集属性表中。 (4)计算插值与真值的绝对差 ...