예제 #1
0
파일: stl.cpp 프로젝트: am2222/SAGA-GIS
//---------------------------------------------------------
bool CSTL_Export::On_Execute(void)
{
	bool		bBinary;
	int			zField;
	float		v[3];
	CSG_String	File;
	CSG_File	Stream;
	CSG_TIN		*pTIN;

	pTIN	= Parameters("TIN")		->asTIN();
	File	= Parameters("FILE")	->asString();
	zField	= Parameters("ZFIELD")	->asInt(); 
	bBinary	= Parameters("BINARY")	->asInt() == 1; 

	if( !Stream.Open(File, SG_FILE_W, bBinary) )
	{
		return( false );
	}

	//-----------------------------------------------------
	if( bBinary )
	{
		char	*sHeader	= (char *)SG_Calloc(80, sizeof(char));
		DWORD	nFacets		= pTIN->Get_Triangle_Count();
		WORD	nBytes		= 0;

		Stream.Write(sHeader , sizeof(char), 80);
		Stream.Write(&nFacets, sizeof(DWORD));

		SG_Free(sHeader);

		//-------------------------------------------------
		for(int iTriangle=0; iTriangle<pTIN->Get_Triangle_Count(); iTriangle++)
		{
			CSG_TIN_Triangle	*pTriangle	= pTIN->Get_Triangle(iTriangle);

			Get_Normal(pTriangle, zField, v);

			Stream.Write(v, sizeof(float), 3);	// facet normal

			for(int iNode=0; iNode<3; iNode++)
			{
				CSG_TIN_Node	*pNode	= pTriangle->Get_Node(iNode);

				v[0]	= (float)pNode->Get_X();
				v[1]	= (float)pNode->Get_Y();
				v[2]	= (float)pNode->asDouble(zField);

				Stream.Write(v, sizeof(float), 3);
			}

			Stream.Write(&nBytes, sizeof(WORD));
		}
	}

	//-----------------------------------------------------
	else	// ASCII
	{
		Stream.Printf(SG_T("solid %s\n"), SG_File_Get_Name(File, false).c_str());

		for(int iTriangle=0; iTriangle<pTIN->Get_Triangle_Count(); iTriangle++)
		{
			CSG_TIN_Triangle	*pTriangle	= pTIN->Get_Triangle(iTriangle);

			Get_Normal(pTriangle, zField, v);

			Stream.Printf(SG_T(" facet normal %.4f %.4f %.4f\n"), v[0], v[1], v[2]);
			Stream.Printf(SG_T("  outer loop\n"));

			for(int iNode=0; iNode<3; iNode++)
			{
				CSG_TIN_Node	*pNode	= pTriangle->Get_Node(iNode);

				v[0]	= (float)pNode->Get_X();
				v[1]	= (float)pNode->Get_Y();
				v[2]	= (float)pNode->asDouble(zField);

				Stream.Printf(SG_T("   vertex %.4f %.4f %.4f\n"), v[0], v[1], v[2]);
			}

			Stream.Printf(SG_T("  endloop\n"));
			Stream.Printf(SG_T(" endfacet\n"));		
		}

		Stream.Printf(SG_T("endsolid %s\n"), SG_File_Get_Name(File, false).c_str());
	}

	return( true );
}
예제 #2
0
//---------------------------------------------------------
bool CParam_Scale::On_Execute(void)
{
	//-----------------------------------------------------
	bool		bConstrain;
	int			Index[6];
	double		zScale, Tol_Slope, Tol_Curve;
	CSG_Matrix	Normal;

	//-----------------------------------------------------
	bConstrain	= Parameters("CONSTRAIN")->asBool();
	zScale		= Parameters("ZSCALE"   )->asDouble();	if( zScale <= 0.0 )	{	zScale	= 1.0;	}
	Tol_Slope	= Parameters("TOL_SLOPE")->asDouble();
	Tol_Curve	= Parameters("TOL_CURVE")->asDouble();

	m_pDEM		= Parameters("DEM"      )->asGrid();

	//-----------------------------------------------------
	CSG_Grid	*pFeature	= Parameters("FEATURES" )->asGrid();
	CSG_Grid	*pElevation	= Parameters("ELEVATION")->asGrid();
	CSG_Grid	*pSlope		= Parameters("SLOPE"    )->asGrid();
	CSG_Grid	*pAspect	= Parameters("ASPECT"   )->asGrid();
	CSG_Grid	*pProfC		= Parameters("PROFC"    )->asGrid();
	CSG_Grid	*pPlanC		= Parameters("PLANC"    )->asGrid();
	CSG_Grid	*pLongC		= Parameters("LONGC"    )->asGrid();
	CSG_Grid	*pCrosC		= Parameters("CROSC"    )->asGrid();
	CSG_Grid	*pMiniC		= Parameters("MINIC"    )->asGrid();
	CSG_Grid	*pMaxiC		= Parameters("MAXIC"    )->asGrid();

	//-----------------------------------------------------
	if( !Get_Weights() )
	{
		return( false );
	}

	if( !Get_Normal(Normal) )
	{
		return( false );
	}

	// To constrain the quadtratic through the central cell, ignore the calculations involving the
	// coefficient f. Since these are all in the last row and column of the matrix, simply redimension.
	if( !SG_Matrix_LU_Decomposition(bConstrain ? 5 : 6, Index, Normal.Get_Data()) )
	{
		return( false );
	}

	//-----------------------------------------------------
	for(int y=0; y<Get_NY() && Set_Progress(y); y++)
	{
		#pragma omp parallel for
		for(int x=0; x<Get_NX(); x++)
		{
			CSG_Vector	Observed;

			double	elevation, slope, aspect, profc, planc, longc, crosc, minic, maxic;

			if( Get_Observed(x, y, Observed, bConstrain)
			&&  SG_Matrix_LU_Solve(bConstrain ? 5 : 6, Index, Normal, Observed.Get_Data()) )
			{
				Get_Parameters(zScale, Observed.Get_Data(), elevation, slope, aspect, profc, planc, longc, crosc, minic, maxic);

				GRID_SET_VALUE(pFeature  , Get_Feature(slope, minic, maxic, crosc, Tol_Slope, Tol_Curve));
				GRID_SET_VALUE(pElevation, elevation + m_pDEM->asDouble(x, y));	// Add central elevation back
				GRID_SET_VALUE(pSlope    , slope);
				GRID_SET_VALUE(pAspect   , aspect);
				GRID_SET_VALUE(pProfC    , profc);
				GRID_SET_VALUE(pPlanC    , planc);
				GRID_SET_VALUE(pLongC    , longc);
				GRID_SET_VALUE(pCrosC    , crosc);
				GRID_SET_VALUE(pMiniC    , minic);
				GRID_SET_VALUE(pMaxiC    , maxic);
			}
			else
			{
				GRID_SET_NODATA(pFeature);
				GRID_SET_NODATA(pElevation);
				GRID_SET_NODATA(pSlope);
				GRID_SET_NODATA(pAspect);
				GRID_SET_NODATA(pProfC);
				GRID_SET_NODATA(pPlanC);
				GRID_SET_NODATA(pLongC);
				GRID_SET_NODATA(pCrosC);
				GRID_SET_NODATA(pMiniC);
				GRID_SET_NODATA(pMaxiC);
			}
		}
	}

	//-----------------------------------------------------
	CSG_Parameter	*pLUT	= DataObject_Get_Parameter(pFeature, "LUT");

	if( pLUT && pLUT->asTable() )
	{
		pLUT->asTable()->Del_Records();

		LUT_SET_CLASS(FLAT   , _TL("Planar"       ), SG_GET_RGB(180, 180, 180));
		LUT_SET_CLASS(PIT    , _TL("Pit"          ), SG_GET_RGB(  0,   0,   0));
		LUT_SET_CLASS(CHANNEL, _TL("Channel"      ), SG_GET_RGB(  0,   0, 255));
		LUT_SET_CLASS(PASS   , _TL("Pass (saddle)"), SG_GET_RGB(  0, 255,   0));
		LUT_SET_CLASS(RIDGE  , _TL("Ridge"        ), SG_GET_RGB(255, 255,   0));
		LUT_SET_CLASS(PEAK   , _TL("Peak"         ), SG_GET_RGB(255,   0,   0));

		DataObject_Set_Parameter(pFeature, pLUT);

		DataObject_Set_Parameter(pFeature, "COLORS_TYPE", 1);	// Color Classification Type: Lookup Table
	}

	//-----------------------------------------------------
	DataObject_Set_Colors(pSlope , 11, SG_COLORS_YELLOW_RED);
	DataObject_Set_Colors(pAspect, 11, SG_COLORS_ASPECT_3);
	DataObject_Set_Colors(pProfC , 11, SG_COLORS_RED_GREY_BLUE, true);
	DataObject_Set_Colors(pPlanC , 11, SG_COLORS_RED_GREY_BLUE, false);
	DataObject_Set_Colors(pLongC , 11, SG_COLORS_RED_GREY_BLUE, true);
	DataObject_Set_Colors(pCrosC , 11, SG_COLORS_RED_GREY_BLUE, true);
	DataObject_Set_Colors(pMiniC , 11, SG_COLORS_RED_GREY_BLUE, true);
	DataObject_Set_Colors(pMaxiC , 11, SG_COLORS_RED_GREY_BLUE, true);

	//-----------------------------------------------------
	return( true );
}