//?Dem.cpp:?implementation?of?the?CDem?class.
//
//////////////////////////////////////////////////////////////////////

#include?“stdafx.h“
#include?“test.h“
#include?“Dem.h“
#include?
#include?
#include?
#include?
#include?“Vector32.h“



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

//////////////////////////////////////////////////////////////////////
//?Construction/Destruction
//////////////////////////////////////////////////////////////////////

CDem::CDem（）
{
??m_fInterval=0;
??m_fNumberX=0;
??m_fNumberY=0;
??m_list=0;
??m_fHeight=NULL;
??bshow?=?true;
??
??
}

CDem::~CDem（）
{
??if?（m_fHeight!=NULL）
	??delete?[]?m_fHeight;
}

void?CDem::ReadDem（char?*demfile）
{
???
	FILE?*fp=NULL;
	fp?=?fopen（demfile?“r“）;
	if?（fp!=NULL）
	{
	char?a[10];
	fscanf（fp?“%s?%d?%d?%d“&a&m_fNumberX&m_fNumberY&m_fInterval）;
????fgets（a?8?fp）;
????m_fHeight?=?new?float?[m_fNumberX?*?m_fNumberY];
	for（int?i=0;?i	{
		fscanf（fp?“%f“?&m_fHeight[i]）;
		
	}
	}
	fclose（fp）;
}


void?CDem::CreateCompileList（）
{

??m_texture=CreateTexture（“test/image1024.bmp“）;
??glBindTexture（GL_TEXTURE_2Dm_texture）;
???CVpoint?p[4];
???float?r[4];
???float?s[4];
???

???float?dx=m_fInterval*m_fNumberX;
???float?dy=m_fInterval*m_fNumberY;

???m_list=glGenLists（1）;
???glNewList（m_listGL_COMPILE）;
???for?（int?j=0;j???{
	???for?（int?i=0;i	???{
		???p[0].x=i*m_fInterval;
		???p[0].z=m_fHeight[j*m_fNumberX?+?i];
		???p[0].y=j*m_fInterval;

???????????p[1].x=（i+1）*m_fInterval;
		???p[1].z=m_fHeight[j*m_fNumberX?+?i+1];
		???p[1].y=j*m_fInterval;

		???p[2].x=（i+1）*m_fInterval;
		???p[2].z=m_fHeight[（j+1）*m_fNumberX?+?i+1];
		???p[2].y=（j+1）*m_fInterval;

		???p[3].x=i*m_fInterval;
		???p[3].z=m_fHeight[（j+1）*m_fNumberX?+?i];
		???p[3].y=（j+1）*m_fInterval;
		????
		?	r[0]=p[0].x/dx;
			r[1]=p[1].x/dx;
			r[2]=p[2].x/dx;
			r[3]=p[3].x/dx;

			s[0]=p[0].y/dy;
			s[1]=p[1].y/dy;
			s[2]=p[2].y/dy;
			s[3]=p[3].y/dy;
???????????
	???glColor3f（1.00.00.0）;
		???
???????glBegin（GL_TRIANGLES）;
	??????SetNormal（ij）;
	???????glTexCoord2f（r[0]s[0]）;
		???glVertex3f（p[0].xp[0].yp[0].z）;
		???SetNormal（i+1j）;
???????????glTexCoord2f（r[3]s[3]）;
???????????glVertex3f（p[3].xp[3].yp[3].z）;
???????????SetNormal（ij+1）;
		???glTexCoord2f（r[1]s[1]）;
???????????glVertex3f（p[1].xp[1].yp[1].z）;
???
???????????SetNormal（i+1j）;
		???glTexCoord2f（r[3]s[3]）;
???????????glVertex3f（p[3].xp[3].yp[3].z）;
		???SetNormal（i+1j+1）;
		???glTexCoord2f（r[2]s[2]）;
		???glVertex3f（p[2].xp[2].yp[2].z）;
		???SetNormal（ij+1）;
		???glTexCoord2f（r[1]s[1]）;
???????????glVertex3f（p[1].xp[1].yp[1].z）;
???????glEnd（）;
	???}
???}
???
???glEndList（）;

}
void?CDem::RenderDem（）
{???
	if（!bshow）return;
	
????glEnable（GL_TE

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件?????196664??2001-03-02?21:13??test\dam1.BMP

?????文件???????5456??2009-09-21?09:47??test\Dem.cpp

?????文件????????906??2009-09-21?09:47??test\Dem.h

?????文件???????1244??2009-09-17?16:50??test\HeightIn.cpp

?????文件???????1251??2009-09-09?10:47??test\HeightIn.h

?????文件???????3726??2009-09-01?20:18??test\MainFrm.cpp

?????文件???????1807??2004-03-30?21:45??test\MainFrm.h

?????文件??????23195??2009-09-21?10:09??test\OpenGL.cpp

?????文件???????2429??2009-09-03?22:04??test\OpenGL.h

?????文件???????2428??2009-09-02?15:41??test\Pt3d.cpp

?????文件???????1369??2009-09-02?15:42??test\Pt3d.h

?????文件???????4710??2004-06-28?10:28??test\RES\icon2.ico

?????文件???????3190??2004-04-01?21:28??test\RES\mainfram.bmp

?????文件???????1137??2002-06-10?16:45??test\RES\Netlink.exp

?????文件???????2904??2002-06-10?16:45??test\RES\Netlink.lib

?????文件???????1078??2004-03-30?22:26??test\RES\test.ico

?????文件????????396??2002-01-06?17:06??test\RES\TEST.RC2

?????文件???????1078??2002-01-06?17:06??test\RES\testDoc.ico

????..A.SH.??????8192??2009-09-18?15:06??test\RES\Thumbs.db

?????文件???????1878??2009-09-08?09:59??test\RES\Toolbar.bmp

?????目錄??????????0??2009-09-08?09:59??test\RES

?????文件???????9268??2009-09-08?09:26??test\resource.h

?????文件????????937??2009-09-08?21:41??test\rrr.cpp

?????文件???????1183??2009-09-08?21:41??test\rrr.h

?????文件????????198??2004-02-28?18:59??test\StdAfx.cpp

?????文件???????2032??2004-10-26?15:28??test\StdAfx.h

?????文件?????173500??2008-05-30?10:26??test\test\beijing.dem

?????文件????3145782??2009-08-31?10:54??test\test\image1024.bmp

?????目錄??????????0??2009-09-03?17:32??test\test

?????文件??????57324??2009-09-08?09:59??test\test.aps

............此處省略27個(gè)文件信息