Python访问ArcObjects

来源：互联网发布：陈意涵长相知乎编辑：程序博客网时间：2024/05/18 15:03

# -*- coding:UTF-8 -*-# 读取与导入ArcObjects模块def GetLibPath():    """Return location ArcGIS type libraries as string"""    #This will still work on 64-bit machines because Python runs in 32 bit mode    import _winreg    keyESRI=_winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE,"SOFTWARE\\ESRI\\Desktop10.0")    return _winreg.QueryValueEx(keyESRI,"InstallDir")[0]+"com\\"  #u'C:\\Program Files\\ArcGIS\\Desktop10.0\\com\\'def GetModule(sModuleName):    """Import ArcGIS module"""    from comtypes.client import GetModule    sLibPath=GetLibPath()    GetModule(sLibPath+sModuleName)def GetStandaloneModules():    """"Import commonly used ArcGIS libraries for standalone scripts"""    GetModule("esriSystem.olb")    GetModule("esriGeometry.olb")    GetModule("esriCarto.olb")    GetModule("esriDisplay.olb")    GetModule("esriGeoDatabase.olb")    GetModule("esriDataSourcesGDB.olb")    GetModule("esriDataSourcesFile.olb")    GetModule("esriOutput.olb")#调用GetStandaloneModules执行模块的一次性导入# 以后调用只要 import comtypes.gen.esriGeometry as esriGeometry 这种方式导入模块即可GetStandaloneModules()#绑定产品注册ArcGIS Version的类库文件（C:\Program Files\Common Files\ArcGIS\bin\ArcGISVersion.dll)from comtypes.client import GetModuleagsversion=comtypes.GUID("{6FCCEDE0-179D-4D12-B586-58C88D26CA78}")GetModule((agsversion,1,0))

导入前后如下目录如图示：

# 创建与转换对象类型def NewObj(MyClass,MyInterface):  from comtypes.client import CreateObject  try:   ptr=CreateObject(MyClass,interface=MyInterface)   return ptr  except:   return Nonedef CType(obj,interface):  try:   newobj=obj.QueryInterface(interface)   return newobj  except:   return Nonedef CLSID(MyClass):  return str(MyClass._reg_clsid)# 注册运行许可def InitLicenseState():  import comtypes.gen.ArcGISVersionLib as esriVersion  import comtypes.gen.esriSystem as esriSystem  pVM=NewObj(esriVersion.VersionManager,esriVersion.IArcGISVersion)  if not pVM.LoadVersion(esriVersion.esriArcGISDesktop,"10.0"):   return False  pInit=NewObj(esriSystem.AoInitialize,esriSystem.IAoInitialize)  ProductList=[esriSystem.esriLicenseProductCodeArcInfo,\   esriSystem.esriLicenseProductCodeArcEditor, \   esriSystem.esriLicenseProductCodeArcView]  for eProduct in ProductList:   licenseStatus=pInit.IsProductCodeAvailable(eProduct)   if licenseStatus!=esriSystem.esriLicenseAvailable:    continue   licenseStatus=pInit.Initialize(eProduct)   return (licenseStatus==esriSystem.esriLicenseCheckedOut)  return False

ESRI的支持人员博客

http://blog.csdn.net/warrenwyf/article/details/6040311