geopointfeature.cpp

arcgis geodatabase Access 数据库创建

// GeoPointFeature.cpp: implementation of the CGeoPointFeature class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "TestGeoDatabase.h"
#include "GeoPointFeature.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CGeoPointFeature::CGeoPointFeature()
{

	m_x=0;
	m_y=0;
}

CGeoPointFeature::~CGeoPointFeature()
{

}



BOOL CGeoPointFeature::CreatePoint(IFeatureClassPtr pFeatureClass,double x,double y)
{

	//pFeatureClass->get
	CComPtr<IWorkspaceEdit> pWorkspaceEdit;
	IDatasetPtr data;
	CComPtr<IWorkspace>  ipwork;
	data=    pFeatureClass;
	data->get_Workspace(&ipwork);
	HRESULT	hr=ipwork->QueryInterface(&pWorkspaceEdit) ;
	 

	IFeatureWorkspacePtr fw;
	hr=pWorkspaceEdit->QueryInterface(&fw);
  
/*	IFeatureClassPtr pFeatc;
	hr=fw->OpenFeatureClass(CComBSTR(L"Points"),&pFeatc);
 */
///////////////////////////////////////////////////////////

     hr = pWorkspaceEdit->StartEditing(TRUE);
	if (FAILED(hr))
	{
		AfxMessageBox("开始编辑失败！" );
		pWorkspaceEdit->AbortEditOperation();
		return FALSE;
	}
	hr = pWorkspaceEdit->StartEditOperation();
	if (FAILED(hr))
	{
		AfxMessageBox("开始编辑操作失败！"  );
		pWorkspaceEdit->AbortEditOperation();
		return FALSE;
	}
	
    ////////////////////////////////
   IFieldsPtr ipFieldsNew;
    long indX=10, indY=100, indV=88; 
 
 // hr = pFeatureClass->get_Fields(&ipFieldsNew);
 //if (FAILED(hr = ipFieldsNew->FindField(CComBSTR(L"Longitude"), &indX))) {AfxMessageBox("aaa");return hr;}
	/////////////////////////////////

    IFeatureCursorPtr ipFeatureCursor;
    IFeatureBufferPtr ipFeatureBuffer;
    
    pFeatureClass->Insert(VARIANT_TRUE, &ipFeatureCursor);
    pFeatureClass->CreateFeatureBuffer(&ipFeatureBuffer);
/////////////////////////

/*	 IPointPtr ipPoint(CLSID_Point);    
      ipPoint->put_X(x);
      ipPoint->put_Y(y);
      IGeometryPtr ipGeom = ipPoint;
      if (FAILED(hr = ipFeatureBuffer->putref_Shape(ipGeom)))
	  {
		  AfxMessageBox("dd");
		  return hr;
      }
      // NOTE: We do not have to explicitly add the data for Lat. and Long. b/c the shape field
      // holds this type of data.  It is sometimes useful to have the Lat. and Long. data
      // explicitly in the table, however, and we do this here.
      ipFeatureBuffer->put_Value(indX, CComVariant(x));
      ipFeatureBuffer->put_Value(indY, CComVariant(y));       
      // Insert the feature, its ID is returned
      CComVariant ret;
      hr = ipFeatureCursor->InsertFeature(ipFeatureBuffer, &ret);
      if (FAILED(hr))
      {
        AfxMessageBox("hh");
        return hr;
      }
      int newFeatureCount;
      // Flush the insert cursor every 100 features
      if (++newFeatureCount % 100 == 0)
      {
        ipFeatureCursor->Flush();
       }

*/



    CComPtr<IFeature> ipFeat ;
  	 hr= pFeatureClass->CreateFeature(&ipFeat);
	 if (FAILED(hr))
	 {
       
	   AfxMessageBox("建立要素失败");
	 return hr;
	 }
      // Create a new point and add it to the shape field
	  IPointCollectionPtr IPoints;
      IPointPtr ipPoint(CLSID_Point);   
	  
      ipPoint->put_X(x);
      ipPoint->put_Y(y);
	

	  IGeometryPtr ipGeom = ipPoint;

	  hr=ipFeat->putref_Shape(ipGeom);
		  if (FAILED(hr))
		  {
			  AfxMessageBox("eee");
			  return hr;}
      
     hr=ipFeat->Store();
	 hr=pWorkspaceEdit->StopEditOperation();
	 hr=pWorkspaceEdit->StopEditing(TRUE);
	 if(FAILED(hr))
	   AfxMessageBox("aaa");
      return hr;

}