www.pudn.com > VRGIS-2005.rar > dem_testDoc.cpp, change:2001-04-06,size:3142b

// dem_testDoc.cpp : implementation of the CDem_testDoc class 
// 
 
#include "stdafx.h" 
#include "dem_test.h" 
#include "math.h" 
#include "dem_testDoc.h" 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CDem_testDoc 
 
IMPLEMENT_DYNCREATE(CDem_testDoc, CDocument) 
 
BEGIN_MESSAGE_MAP(CDem_testDoc, CDocument) 
	//{{AFX_MSG_MAP(CDem_testDoc) 
	ON_COMMAND(ID_readfile, Onreadfile) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CDem_testDoc construction/destruction 
 
CDem_testDoc::CDem_testDoc() 
{ 
	// TODO: add one-time construction code here 
 
} 
 
CDem_testDoc::~CDem_testDoc() 
{ 
} 
 
BOOL CDem_testDoc::OnNewDocument() 
{ 
	if (!CDocument::OnNewDocument()) 
		return FALSE; 
    int i,j,dat; 
	float dz; 
	FILE *fp; 
	fp=fopen("dem231.txt","r"); 
    if(fp==NULL) 
		ASSERT(FALSE);//若打开文件出错，则报告出错！ 
	else 
		{ 
			fscanf(fp,"%d%d",&m,&n); 
			for(i=0;i<m;i++) 
			{ for(j=0;j<n;j++) 
			{ 
			//	用于读取整形的高程点数据 
			//	fscanf(fp,"%d",&dat); 
			//	dix[i][j]=dat/50+0.10; 
				//	用于读取浮点型的高程点数据 
				fscanf(fp,"%f",&dz); 
				dix[i][j]=dz*8; 
		 
			} 
              
			} 
		} 
	UpdateAllViews(NULL); 
	return TRUE; 
} 
 
 
 
///////////////////////////////////////////////////////////////////////////// 
// CDem_testDoc serialization 
 
void CDem_testDoc::Serialize(CArchive& ar) 
{ 
	if (ar.IsStoring()) 
	{ 
		// TODO: add storing code here 
 
	} 
	else 
	{ 
		// TODO: add loading code here 
	} 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CDem_testDoc diagnostics 
 
#ifdef _DEBUG 
void CDem_testDoc::AssertValid() const 
{ 
	CDocument::AssertValid(); 
} 
 
void CDem_testDoc::Dump(CDumpContext& dc) const 
{ 
	CDocument::Dump(dc); 
} 
#endif //_DEBUG 
 
///////////////////////////////////////////////////////////////////////////// 
// CDem_testDoc commands 
 
void CDem_testDoc::Onreadfile()  
{ 
	// TODO: Add your command handler code here 
		 
	static char BASED_CODE szFilter[] = "地形数据文件 (*.den)|*.den|All Files (*.*)|*.*||"; 
    CFileDialog cf(TRUE,".den",NULL,OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT,szFilter,NULL); 
   	if(cf. DoModal()==IDOK) 
	{	 
		FILE *fp,* fpW; 
	unsigned char *data = new unsigned char [1851392]; 
	int huiche=0; 
	int hd2=0; 
	int hang=1; 
	int lie=1; 
    fp=fopen(cf.GetFileName(),"r"); 
if((fp!=NULL)&&(fpW =fopen("data.txt","w"))!=NULL) 
{ 
	fseek(fp,44,0); 
	fread(data,1851392,1,fp); 
	for(int i=0;i<113;i++) 
	{ 
		for(lie=0;lie<128;lie++) 
		{ 
			fprintf(fpW,"%d %d\n", i+1,lie+1); 
			for(hang=0;hang<128;hang++) 
			{ 
				fprintf(fpW,"%d ",int(*(data++))); 
			//	tou[hang][lie][i]=int(*(data++)); 
			} 
				fprintf(fpW,"\n"); 
		} 
	} 
 
	fclose(fp); 
	fclose(fpW); 
	AfxMessageBox("The Problem is OK!\n"); 
 
} 
else 
	AfxMessageBox( "Problem opening the file failed!\n" ); 
	} 
 
UpdateAllViews(NULL); 
 
} 
 
void CDem_testDoc::readdata() 
{ 
AfxMessageBox("读取数据OK!"); 
}