TopoPointElevation
汇总
定义点要素类列表，这些点要素类表示表面高程和标识其高程值的字段。
讨论
此对象用于 地形 (topo) 转栅格 工具。
语法
TopoPointElevation(inFeatures)
| 名称 | 说明 | 数据类型 |
|---|---|---|
|
inFeatures |
输入点要素数据集。 或者，可以提供存储高程值的字段名称以用于输入点。 |
List |
属性
| 名称 | 说明 | 数据类型 |
|---|---|---|
|
inFeatures （读取和写入） |
用于属性的输入要素数据集和字段。 |
List |
代码示例
TopoPointElevation 示例 1（Python 窗口）
演示如何创建 TopoPointElevation 类以及如何在 Python 窗口的 TopoToRaster 工具中使用该类。
import arcpy
from arcpy import env
from arcpy.sa import *
env.workspace = "C:/sapyexamples/data"
myTopoPtElev = TopoPointElevation([["spots.shp", "spot_meter"], ["spots2.shp", "elev"]])
myTopoContour = TopoContour([["contours.shp", "spot_meter"]])
myTopoBoundary = TopoBoundary(["boundary.shp"])
myTopoLake = TopoLake(["lakes.shp"])
myTopoSink = TopoSink([["sink1.shp", "elevation"], ["sink2.shp", "NONE"]])
myTopoStream = TopoStream(["streams.shp"])
myTopoCliff = TopoCliff(["cliff.shp"])
myTopoCoast = TopoCoast(["coast.shp"])
myTopoExclusion = TopoExclusion(["ignore.shp"])
outTopoToRaster1 = TopoToRaster([myTopoPtElev, myTopoContour, myTopoBoundary, myTopoLake, myTopoSink, myTopoStream, myTopoCliff, myTopoCoast, myTopoExclusion])
outTopoToRaster1.save("C:/sapyexamples/output/ttraster1")
TopoPointElevation 示例 2（独立脚本）
使用 TopoPointElevation 类作为其中一个输入参数，通过 TopoToRaster 插入一个表面。
# Name: TopoBoundary_Ex_02.py
# Description: Run TopoToRaster using all the supported objects.
# Requirements: Spatial Analyst extension
# Import system modules
import arcpy
from arcpy import env
from arcpy.sa import *
# Set environment settings
env.workspace = "C:/sapyexamples/data"
# Create all the supported Objects
myTopoPtElev = TopoPointElevation([["spots.shp", "spot_meter"], ["spots2.shp", "elev"]])
myTopoContour = TopoContour([["contours.shp", "spot_meter"]])
myTopoBoundary = TopoBoundary(["boundary.shp"])
myTopoLake = TopoLake(["lakes.shp"])
myTopoSink = TopoSink([["sink1.shp", "elevation"], ["sink2.shp", "NONE"]])
myTopoStream = TopoStream(["streams.shp"])
# Run TopoToRaster
outTopoToRaster = TopoToRaster([myTopoPtElev, myTopoContour, myTopoBoundary, myTopoLake, myTopoSink, myTopoStream])
# Save the output
outTopoToRaster.save("C:/sapyexamples/output/ttraster2")