bool CSG_PointCloud::Create(const CSG_PointCloud &PointCloud)
{
if( Assign((CSG_Data_Object *)&PointCloud) )
{
Set_Name(PointCloud.Get_Name());
return( true );
}
return( false );
}
//---------------------------------------------------------
bool CPC_Drop_Attribute::On_Execute(void)
{
//-------------------------------------------------
int *Features = (int *)Parameters("FIELDS")->asPointer();
int nFeatures = Parameters("FIELDS")->asInt ();
if( !Features || nFeatures <= 0 )
{
Error_Set(_TL("You must specify at least one attribute to drop!"));
return( false );
}
//-----------------------------------------------------
CSG_PointCloud *pInput = Parameters("INPUT" )->asPointCloud();
CSG_PointCloud *pOutput = Parameters("OUTPUT")->asPointCloud(), Output;
if( !pOutput || pOutput == pInput )
{
pOutput = &Output;
}
pOutput->Create(pInput);
//-----------------------------------------------------
int i;
std::set<int> setCols;
std::set<int>::iterator it;
setCols.clear();
for(i=0; i<nFeatures; i++)
{
setCols.insert(Features[i]);
}
for(i=0, it=setCols.begin(); it!=setCols.end(); i++, it++)
{
pOutput->Del_Field(*it - i);
}
//-----------------------------------------------------
for(i=0; i<pInput->Get_Point_Count() && SG_UI_Process_Set_Progress(i, pInput->Get_Count()); i++)
{
pOutput->Add_Point(pInput->Get_X(i), pInput->Get_Y(i), pInput->Get_Z(i));
for(int j=0, k=0; j<pInput->Get_Attribute_Count(); j++, k++)
{
it = setCols.find(j + 3);
if( it != setCols.end() )
{
k--;
continue;
}
switch (pInput->Get_Attribute_Type(j))
{
default: pOutput->Set_Attribute(k, pInput->Get_Attribute(i, j)); break;
case SG_DATATYPE_Date:
case SG_DATATYPE_String: CSG_String sAttr; pInput->Get_Attribute(i, j, sAttr); pOutput->Set_Attribute(k, sAttr); break;
}
}
}
//-----------------------------------------------------
if( pOutput == &Output )
{
CSG_MetaData History = pInput->Get_History();
CSG_String Name = pInput->Get_Name ();
pInput->Assign(pOutput);
pInput->Get_History() = History;
pInput->Set_Name(Name);
Parameters("OUTPUT")->Set_Value(pInput);
}
else
{
pOutput->Fmt_Name("%s [%s]", pInput->Get_Name(), _TL("Dropped Attributes"));
}
//-----------------------------------------------------
return( true );
}
