void readPic(char * filename)
{
	FILE* pFile = NULL;

	pFile = fopen(filename,"rb");
	if(!pFile)
		cerr << "error reading file";

	fread(&buf,sizeof(buf),1,pFile);
		
	fclose(pFile);
}

	for(int i = 0; i < landSize; i++) //land size is declared as a power of 2
		for(int j =0; j< landSize; j++)
		{			
			Land[j][0] = i;
			Land[j][1] = (float)(buf[j])/7.0;//scaling  
			Land[j][2] = j;
		}

// initfor(int i = 0; i < landSize; i++) { //land size is declared as a power of 2    for(int j =0; j< landSize; j++) {        Land[j] = (float)(buf[j])/7.0;//scaling      }}// drawfor(int i = 0; i < landSize; i++) { //land size is declared as a power of 2    for(int j =0; j< landSize; j++) {        //draw quad at (i, Land[j], j)    }}

	glBegin(GL_QUADS);		for( int i =0;i<landSize-2;i++)		{					for( int j=0;j<landSize-2;j++)			{ 					tx = (float)i/(float)(landSize);				ty =  (float)j/(float)(landSize);				tx1 =  (float)(i+1)/(float)(landSize);				ty1 =  (float)(j+1)/(float)(landSize);				//glColor3f(colLand[j][0],colLand[j][1],colLand[j][2]);				 glTexCoord2f(tx,ty);	glVertex3f(Land[j][0],Land[j][1],Land[j][2]);				//glColor3f(colLand[i+1][j][0],colLand[i+1][j][1],colLand[i+1][j][2]);				 glTexCoord2f(tx1,ty);	glVertex3f(Land[i+1][j][0],Land[i+1][j][1],Land[i+1][j][2]);				//glColor3f(colLand[i+1][j+1][0],colLand[i+1][j+1][1],colLand[i+1][j+1][2]);				 glTexCoord2f(tx1,ty1);	glVertex3f(Land[i+1][j+1][0],Land[i+1][j+1][1],Land[i+1][j+1][2]);				//glColor3f(colLand[j+1][0],colLand[j+1][1],colLand[j+1][2]);				 glTexCoord2f(tx,ty1);	glVertex3f(Land[j+1][0],Land[j+1][1],Land[j+1][2]);			}		}	glEnd();