Esempi in C++ (Cpp) per SG_Get_Rounded_To_SignificantFigures

Esempio n. 1

File: quadtree.cpp Progetto: sina-masoud-ansari/saga-gis

//---------------------------------------------------------
bool CSG_Parameters_Search_Points::On_Parameter_Changed(CSG_Parameters *pParameters, CSG_Parameter *pParameter)
{
	if( !m_pParameters || !pParameters || m_pParameters->Get_Identifier().Cmp(pParameters->Get_Identifier()) || !pParameter
		|| !pParameter->asShapes() )
	{
		return( false );
	}

	pParameters->Set_Parameter("SEARCH_RADIUS", SG_Get_Rounded_To_SignificantFigures(
		5 * sqrt(pParameter->asShapes()->Get_Extent().Get_Area() / pParameter->asShapes()->Get_Count()), 1
	));

	return( true );
}

Esempio n. 2

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

//---------------------------------------------------------
int CInterpolation_AngularDistance::On_Parameter_Changed(CSG_Parameters *pParameters, CSG_Parameter *pParameter)
{
	if( pParameter->Cmp_Identifier("POINTS") )
	{
		m_Search.On_Parameter_Changed(pParameters, pParameter);

		if( pParameter->asShapes() && pParameter->asShapes()->Get_Count() > 1 )
		{	// get a rough estimation of point density for band width suggestion
			pParameters->Get_Parameter("DW_BANDWIDTH")->Set_Value(SG_Get_Rounded_To_SignificantFigures(
				0.5 * sqrt(pParameter->asShapes()->Get_Extent().Get_Area() / pParameter->asShapes()->Get_Count()), 1
			));
		}
	}

	return( CInterpolation::On_Parameter_Changed(pParameters, pParameter) );
}