TIN 面标签 (3D Analyst)
摘要
使用不规则三角网 (TIN) 数据集中的标签值创建面要素。
插图
用法
使用面要素类中的整型字段可分配标签值,方法是将面加载到 TIN 中作为 valuefill 表面类型。有关表面类型的详细信息,请参阅有关编辑 TIN 表面的基础知识。
对于未显式定义标签的三角形,为其分配默认值 0。
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具有相同标签值的所有相邻三角形都将存储在一个面要素中。
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在输出要素类中,标签值将表示为属性。
语法
TinPolygonTag_3d (in_tin, out_feature_class, {tag_field})
参数 | 说明 | 数据类型 |
in_tin |
The input TIN. | TIN Layer |
out_feature_class |
The output feature class. | Feature Class |
tag_field (可选) |
将标签属性存储在输出要素类中的字段的名称。默认字段名称为 Tag_Value. | String |
代码示例
Tin 面标签 (TinPolygonTag) 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.TinPolygonTag_3d("tin", "tin_polytag.shp", "Tag_Value")
Tin 面标签 (TinPolygonTag) 示例 2(独立脚本)
The following sample demonstrates the use of this tool in a stand-alone Python script:
'''**************************************************************************** Name: TinPolygonTag Example Description: This script demonstrates use of the TinPolygonTag tool to extract tag information from each TIN in the target workspace. ****************************************************************************''' # Import system modules import arcpy from arcpy import env import exceptions, sys, traceback try: arcpy.CheckOutExtension("3D") # Set environment settings env.workspace = "C:/data" # Set Local Variables TagField = "Code" # Create list of TINs TINList = arcpy.ListDatasets("*", "Tin") # Verify the presence of TINs in the list if TINList: # Iterate through the list of TINs for dataset in TINList: # Define the name of the output file Output = dataset + "_domain.shp" # Execute TinPolygonTag arcpy.TinPolygonTag_3d(dataset, Output, TagFieldField) print "Finished." else: print "No TIN files reside in {0}".format(env.workspace) 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)
环境
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