bool CCreateChartLayer::GetExtraParameters(){
int i;
CSG_Shapes *pInput;
CSG_Parameter *pParam;
CSG_String sName;
bool bIsValidSelection = false;
pInput = Parameters("INPUT")->asShapes();
m_pExtraParameters->Create(this, _TL("Fields for diagram"), _TL(""), SG_T("EXTRA"));
m_bIncludeParam = new bool [pInput->Get_Field_Count() ];
for (i = 0; i < pInput->Get_Field_Count(); i++)
{
switch( pInput->Get_Field_Type(i) )
{
default:
break;
case SG_DATATYPE_Byte:
case SG_DATATYPE_Char:
case SG_DATATYPE_Word:
case SG_DATATYPE_Short:
case SG_DATATYPE_DWord:
case SG_DATATYPE_Int:
case SG_DATATYPE_ULong:
case SG_DATATYPE_Long:
case SG_DATATYPE_Float:
case SG_DATATYPE_Double: // is numeric field
m_pExtraParameters->Add_Value(
NULL, SG_Get_String(i,0).c_str(), pInput->Get_Field_Name(i), _TL(""), PARAMETER_TYPE_Bool, false
);
break;
}
}//for
if(Dlg_Parameters("EXTRA")){
for (i = 0; i < pInput->Get_Field_Count(); i++){
sName = SG_Get_String(i,0);
if (pParam = Get_Parameters("EXTRA")->Get_Parameter(sName.c_str())){
m_bIncludeParam[i] = pParam->asBool();
bIsValidSelection = true;
}//try
else{
m_bIncludeParam[i] = false;
}//else
}//for
m_pExtraParameters->Destroy();
return bIsValidSelection;
}//if
m_pExtraParameters->Destroy();
return false;
}//method
//---------------------------------------------------------
bool CPolygonStatisticsFromPoints::On_Execute(void)
{
int i, j, n, Offset, *bAttribute;
CSG_Simple_Statistics *Statistics;
CSG_Parameters *pParameters;
CSG_Shapes *pPolygons, *pPoints;
//-----------------------------------------------------
pPoints = Parameters("POINTS") ->asShapes();
pPolygons = Parameters("POLYGONS") ->asShapes();
if( pPolygons->Get_Count() <= 0 || pPoints->Get_Count() <= 0 )
{
return( false );
}
//-----------------------------------------------------
pParameters = Get_Parameters("ATTRIBUTES");
pParameters->Del_Parameters();
for(i=0; i<pPoints->Get_Field_Count(); i++)
{
if( SG_Data_Type_is_Numeric(pPoints->Get_Field_Type(i)) )
{
CSG_Parameter *pNode = pParameters->Add_Node(NULL, CSG_String::Format(SG_T("%d"), i), pPoints->Get_Field_Name(i), _TL(""));
for(j=0; j<STAT_Count; j++)
{
pParameters->Add_Value(pNode,
CSG_String::Format(SG_T("%d|%d"), i, j),
CSG_String::Format(SG_T("[%s]"), STAT_Name[j].c_str()),
_TL(""), PARAMETER_TYPE_Bool, false
);
}
}
}
if( !Dlg_Parameters("ATTRIBUTES") )
{
return( false );
}
//-----------------------------------------------------
if( Parameters("STATISTICS")->asShapes() == NULL )
{
Parameters("STATISTICS")->Set_Value(pPolygons);
}
else if( pPolygons != Parameters("STATISTICS")->asShapes() )
{
Parameters("STATISTICS")->asShapes()->Assign(pPolygons);
pPolygons = Parameters("STATISTICS")->asShapes();
}
//-----------------------------------------------------
bAttribute = new int[pPoints->Get_Field_Count()];
Offset = pPolygons->Get_Field_Count();
for(i=0, n=0; i<pPoints->Get_Field_Count(); i++)
{
bAttribute[i] = 0;
if( SG_Data_Type_is_Numeric(pPoints->Get_Field_Type(i)) )
{
for(j=0; j<STAT_Count; j++)
{
CSG_Parameter *pParameter = pParameters->Get_Parameter(CSG_String::Format(SG_T("%d|%d"), i, j));
if( pParameter && pParameter->asBool() )
{
bAttribute[i] |= STAT_Flag[j];
pPolygons->Add_Field(CSG_String::Format(SG_T("%s_%s"), pPoints->Get_Field_Name(i), STAT_Name[j].c_str()), SG_DATATYPE_Double);
n++;
}
}
}
}
if( n == 0 )
{
delete[](bAttribute);
return( false );
}
//-----------------------------------------------------
Statistics = new CSG_Simple_Statistics[pPoints->Get_Field_Count()];
for(int iPolygon=0; iPolygon<pPolygons->Get_Count() && Set_Progress(iPolygon, pPolygons->Get_Count()); iPolygon++)
{
CSG_Shape_Polygon *pPolygon = (CSG_Shape_Polygon *)pPolygons->Get_Shape(iPolygon);
//-------------------------------------------------
for(i=0; i<pPoints->Get_Field_Count(); i++)
{
Statistics[i].Invalidate();
}
//-------------------------------------------------
for(int iPoint=0; iPoint<pPoints->Get_Count() && Process_Get_Okay(); iPoint++)
{
CSG_Shape *pPoint = pPoints->Get_Shape(iPoint);
if( pPolygon->is_Containing(pPoint->Get_Point(0)) )
{
for(i=0; i<pPoints->Get_Field_Count(); i++)
{
if( bAttribute[i] )
{
Statistics[i].Add_Value(pPoint->asDouble(i));
}
}
}
}
//-------------------------------------------------
for(i=0, n=Offset; i<pPoints->Get_Field_Count(); i++)
{
if( bAttribute[i] )
{
if( Statistics[i].Get_Count() > 0 )
{
if( bAttribute[i] & STAT_Flag[STAT_Sum] ) { pPolygon->Set_Value(n++, Statistics[i].Get_Sum()); }
if( bAttribute[i] & STAT_Flag[STAT_Avg] ) { pPolygon->Set_Value(n++, Statistics[i].Get_Mean()); }
if( bAttribute[i] & STAT_Flag[STAT_Var] ) { pPolygon->Set_Value(n++, Statistics[i].Get_Variance()); }
if( bAttribute[i] & STAT_Flag[STAT_Dev] ) { pPolygon->Set_Value(n++, Statistics[i].Get_StdDev()); }
if( bAttribute[i] & STAT_Flag[STAT_Min] ) { pPolygon->Set_Value(n++, Statistics[i].Get_Minimum()); }
if( bAttribute[i] & STAT_Flag[STAT_Max] ) { pPolygon->Set_Value(n++, Statistics[i].Get_Maximum()); }
if( bAttribute[i] & STAT_Flag[STAT_Num] ) { pPolygon->Set_Value(n++, Statistics[i].Get_Count()); }
}
else
{
if( bAttribute[i] & STAT_Flag[STAT_Sum] ) { pPolygon->Set_NoData(n++); }
if( bAttribute[i] & STAT_Flag[STAT_Avg] ) { pPolygon->Set_NoData(n++); }
if( bAttribute[i] & STAT_Flag[STAT_Var] ) { pPolygon->Set_NoData(n++); }
if( bAttribute[i] & STAT_Flag[STAT_Dev] ) { pPolygon->Set_NoData(n++); }
if( bAttribute[i] & STAT_Flag[STAT_Min] ) { pPolygon->Set_NoData(n++); }
if( bAttribute[i] & STAT_Flag[STAT_Max] ) { pPolygon->Set_NoData(n++); }
if( bAttribute[i] & STAT_Flag[STAT_Num] ) { pPolygon->Set_NoData(n++); }
}
}
}
}
//-----------------------------------------------------
delete[](Statistics);
delete[](bAttribute);
DataObject_Update(pPolygons);
return( true );
}
