//---------------------------------------------------------
bool CWaterRetentionCapacity::On_Execute(void)
{
CSG_Shapes *pInput = Parameters("SHAPES")->asShapes();
CSG_Shapes *pOutput = Parameters("OUTPUT")->asShapes();
if( pInput->Get_Field_Count() < 5 )
{
Error_Set(_TL("Plot hole data has to provide at the very least five attributes (horizon depth, TF, L, Ar, Mo)."));
return( false );
}
pOutput->Create(SHAPE_TYPE_Point, _TL("Water Retention Capacity"));
pOutput->Add_Field("CCC" , SG_DATATYPE_Double);
pOutput->Add_Field("CIL" , SG_DATATYPE_Double);
pOutput->Add_Field("Permeability" , SG_DATATYPE_Double);
pOutput->Add_Field("Equivalent Moisture" , SG_DATATYPE_Double);
pOutput->Add_Field("Water Retention Capacity", SG_DATATYPE_Double);
//-----------------------------------------------------
CSG_Grid *pDEM = Parameters("DEM")->asGrid();
CSG_Matrix Data(5, pInput->Get_Field_Count() / 5);
for(int iPoint=0; iPoint<pInput->Get_Count(); iPoint++)
{
CSG_Shape *pPoint = pInput->Get_Shape(iPoint);
for(int iHorizon=0, n=0; iHorizon<Data.Get_NRows(); iHorizon++, n+=5)
{
for(int i=0; i<5; i++)
{
Data[iHorizon][i] = pPoint->asDouble(n + i);
}
}
double Slope, Aspect;
if( !pDEM->Get_Gradient(pPoint->Get_Point(0), Slope, Aspect, GRID_RESAMPLING_BSpline) )
{
Slope = 0.0;
}
Get_WaterRetention(Data, 1. - tan(Slope), pOutput->Add_Shape(pPoint, SHAPE_COPY_GEOM));
}
//-----------------------------------------------------
CSG_Grid *pRetention = Parameters("RETENTION")->asGrid();
if( pRetention )
{
switch( Parameters("INTERPOL")->asInt() )
{
default: // Multlevel B-Spline Interpolation
SG_RUN_TOOL_ExitOnError("grid_spline", 4,
SG_TOOL_PARAMETER_SET("SHAPES" , pOutput)
&& SG_TOOL_PARAMETER_SET("FIELD" , pOutput->Get_Field_Count() - 1)
&& SG_TOOL_PARAMETER_SET("TARGET_DEFINITION", 1) // grid or grid system
&& SG_TOOL_PARAMETER_SET("TARGET_OUT_GRID" , pRetention)
);
break;
case 1: // Inverse Distance Weighted
SG_RUN_TOOL_ExitOnError("grid_gridding", 1,
SG_TOOL_PARAMETER_SET("SHAPES" , pOutput)
&& SG_TOOL_PARAMETER_SET("FIELD" , pOutput->Get_Field_Count() - 1)
&& SG_TOOL_PARAMETER_SET("TARGET_DEFINITION", 1) // grid or grid system
&& SG_TOOL_PARAMETER_SET("TARGET_OUT_GRID" , pRetention)
&& SG_TOOL_PARAMETER_SET("SEARCH_RANGE" , 1) // global
&& SG_TOOL_PARAMETER_SET("SEARCH_POINTS_ALL", 1) // all points within search distance
);
break;
}
if( Parameters("SLOPECORR")->asBool() )
{
#pragma omp parallel for
for(int y=0; y<Get_NY(); y++)
{
for(int x=0; x<Get_NX(); x++)
{
if( !pRetention->is_NoData(x, y) )
{
double Slope, Aspect;
if( !pDEM->Get_Gradient(x, y, Slope, Aspect) )
{
Slope = 0.0;
}
pRetention->Mul_Value(x, y, 1. - tan(Slope));
}
}
}
}
}
//-----------------------------------------------------
return( true );
}
