# 多面体(Multipatch)轮廓线 (3D Analyst)

## 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

## 代码实例

MultipatchFootprint 示例 1（Python 窗口）

``````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）

``````'''****************************************************************************
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