Esempi in C++ (Cpp) per Copy_Grid_SAGA_to_VIGRA

Esempio n. 1

File: vigra_watershed.cpp Progetto: johanvdw/SAGA-GIS-git-mirror

//---------------------------------------------------------
bool CViGrA_Watershed::On_Execute(void)
{
	CSG_Grid	*pInput  = Parameters("INPUT" )->asGrid();
	CSG_Grid	*pOutput = Parameters("OUTPUT")->asGrid();

	//-----------------------------------------------------
	if( !Parameters("RGB")->asBool() )
	{
		vigra::FImage	Input, Output(Get_NX(), Get_NY());

		Copy_Grid_SAGA_to_VIGRA(*pInput, Input, true);

		Segmentation(Input, Output, Parameters("SCALE")->asDouble(), Parameters("EDGES")->asBool());

		Copy_Grid_VIGRA_to_SAGA(*pOutput, Output, false);
	}

	//-----------------------------------------------------
	else	// perform watershed segmentation on color image
	{
		vigra::BRGBImage	Input, Output(Get_NX(), Get_NY());

		Copy_RGBGrid_SAGA_to_VIGRA(*pInput, Input, true);

		Segmentation(Input, Output, Parameters("SCALE")->asDouble(), Parameters("EDGES")->asBool());

		Copy_RGBGrid_VIGRA_to_SAGA(*pOutput, Output, false);
	}

	//-----------------------------------------------------
	pOutput->Fmt_Name("%s [%s]", pInput->Get_Name(), Get_Name().c_str());

	return( true );
}

Esempio n. 2

//---------------------------------------------------------
bool CViGrA_Morphology::On_Execute(void)
{
	bool		bRescale;
	int			Type, Radius;
	double		Rank;
	CSG_Grid	*pInput, *pOutput, Rescaled;

	pInput		= Parameters("INPUT")	->asGrid();
	pOutput		= Parameters("OUTPUT")	->asGrid();
	Type		= Parameters("TYPE")	->asInt();
	Radius		= Parameters("RADIUS")	->asInt();
	Rank		= Parameters("RANK")	->asDouble();
	bRescale	= Parameters("RESCALE")	->asBool();

	//-----------------------------------------------------
	if( bRescale )
	{
		Rescaled.Create(*Get_System(), SG_DATATYPE_Byte);

		for(sLong i=0; i<Get_NCells() && Set_Progress_NCells(i); i++)
		{
			Rescaled.Set_Value(i, 0.5 + (pInput->asDouble(i) - pInput->Get_ZMin()) * 255.0 / pInput->Get_ZRange());
		}

		pInput	= &Rescaled;
	}

	//-----------------------------------------------------
	vigra::BImage	Input, Output(Get_NX(), Get_NY());

	Copy_Grid_SAGA_to_VIGRA(*pInput, Input, true);

	switch( Type )
	{
	case 0:	// Dilation
		discDilation		(srcImageRange(Input), destImage(Output), Radius);
		break;

	case 1:	// Erosion
		discErosion			(srcImageRange(Input), destImage(Output), Radius);
		break;

	case 2:	// Median
		discMedian			(srcImageRange(Input), destImage(Output), Radius);
		break;

	case 3:	// User defined rank
		discRankOrderFilter	(srcImageRange(Input), destImage(Output), Radius, Rank);
		break;
	}

	//-----------------------------------------------------
	Copy_Grid_VIGRA_to_SAGA(*pOutput, Output, false);

	pOutput->Set_Name(CSG_String::Format(SG_T("%s [%s]"), pInput->Get_Name(), Get_Name().c_str()));

	return( true );
}