多面体(Multipatch)轮廓线 (3D Analyst)
摘要
创建表示由多面体要素类占据的二维区域的面轮廓线。
插图
用法
-
多面体要素中高程值的范围归因于输出要素类中的 Z_MIN 和 Z_MAX 字段。
语法
MultipatchFootprint_3d (in_feature_class, out_feature_class)
参数 | 说明 | 数据类型 |
in_feature_class |
将要生成覆盖区的多面体要素。 | Feature Layer |
out_feature_class |
生成的覆盖区面要素类。 | Feature Class |
代码示例
MultipatchFootprint 示例 1(Python 窗口)
The following sample demonstrates the use of this tool in the Python window:
import arcpy from arcpy import env arcpy.CheckOutExtension("3D") env.workspace = "C:/data" arcpy.MultiPatchFootprint_3d("multipatch.shp","multipatch_footprint.shp")
MultipatchFootprint 示例 2(独立脚本)
The following sample demonstrates the use of this tool in a stand-alone Python script:
'''**************************************************************************** Name: MultiPatchFootprint Example Description: Creates footprint polygons for all multipatches in a workspace. ****************************************************************************''' import arcpy import exceptions, sys, traceback from arcpy import env try: arcpy.CheckOutExtension('3D') # Set environment settings env.workspace = 'C:/data' fcList = arcpy.ListFeatureClasses() if fcList: for fc in fcList: # Determine if the feature class is a multipatch desc = arcpy.Describe(fc) if desc.shapeType is "MultiPatch": outPoly = "{0}_Footprint.shp".format(desc.baseName) #Execute MultiPatchFootprint arcpy.ddd.MultiPatchFootprint(fc, outPoly) arcpy.CheckInExtension('3D') except arcpy.ExecuteError: print arcpy.GetMessages() except: # Get the traceback object tb = sys.exc_info()[2] tbinfo = traceback.format_tb(tb)[0] # Concatenate error information into message string pymsg = 'PYTHON ERRORS:\nTraceback info:\n{0}\nError Info:\n{1}'\ .format(tbinfo, str(sys.exc_info()[1])) msgs = 'ArcPy ERRORS:\n {0}\n'.format(arcpy.GetMessages(2)) # Return python error messages for script tool or Python Window arcpy.AddError(pymsg) arcpy.AddError(msgs)
相关主题
许可信息
ArcView: 需要 3D Analyst
ArcEditor: 需要 3D Analyst
ArcInfo: 需要 3D Analyst
7/10/2012