//--------------------------------------------------------- bool CPC_From_Shapes::On_Execute(void) { int zField, iField, nFields, *Fields; CSG_PointCloud *pPoints; CSG_Shapes *pShapes; pShapes = Parameters("SHAPES") ->asShapes(); pPoints = Parameters("POINTS") ->asPointCloud(); zField = Parameters("ZFIELD") ->asInt(); if( !pShapes->is_Valid() ) { return( false ); } //----------------------------------------------------- pPoints->Create(); pPoints->Set_Name(pShapes->Get_Name()); nFields = 0; Fields = new int[pShapes->Get_Field_Count()]; if( Parameters("OUTPUT")->asInt() == 1 ) { for(iField=0, nFields=0; iField<pShapes->Get_Field_Count(); iField++) { if( iField != zField && SG_Data_Type_Get_Size(pShapes->Get_Field_Type(iField)) > 0 ) { Fields[nFields++] = iField; pPoints->Add_Field(pShapes->Get_Field_Name(iField), pShapes->Get_Field_Type(iField)); } } } //----------------------------------------------------- for(int iShape=0; iShape<pShapes->Get_Count() && Set_Progress(iShape, pShapes->Get_Count()); iShape++) { CSG_Shape *pShape = pShapes->Get_Shape(iShape); for(int iPart=0; iPart<pShape->Get_Part_Count(); iPart++) { for(int iPoint=0; iPoint<pShape->Get_Point_Count(iPart); iPoint++) { TSG_Point p = pShape->Get_Point(iPoint, iPart); pPoints->Add_Point(p.x, p.y, zField < 0 ? pShape->Get_Z(iPoint, iPart) : pShape->asDouble(zField)); for(iField=0; iField<nFields; iField++) { pPoints->Set_Value(3 + iField, pShape->asDouble(Fields[iField])); } } } } //----------------------------------------------------- delete [] Fields; return( pPoints->Get_Count() > 0 ); }
//--------------------------------------------------------- bool CLAS_Import::On_Execute(void) { CSG_Parameter_PointCloud_List *pPointsList; bool bValidity; CSG_Strings Files; int RGBrange; int cntInvalid = 0; bValidity = Parameters("VALID")->asBool(); RGBrange = Parameters("RGB_RANGE")->asInt(); //----------------------------------------------------- if( !Parameters("FILES")->asFilePath()->Get_FilePaths(Files) ) { return( false ); } //----------------------------------------------------- pPointsList = Parameters("POINTS")->asPointCloudList(); pPointsList ->Del_Items(); for(int i=0; i<Files.Get_Count(); i++) { SG_UI_Msg_Add(CSG_String::Format(_TL("Parsing %s ... "), SG_File_Get_Name(Files[i], true).c_str()), true); std::ifstream ifs; ifs.open(Files[i].b_str(), std::ios::in | std::ios::binary); if( !ifs ) { SG_UI_Msg_Add_Error(CSG_String::Format(_TL("Unable to open LAS file!"))); continue; } //----------------------------------------------------- // Check if LAS version is supported liblas::LASReader *pReader; try { pReader = new liblas::LASReader(ifs); } catch(std::exception &e) { SG_UI_Msg_Add_Error(CSG_String::Format(_TL("LAS header exception: %s"), e.what())); ifs.close(); return( false ); } catch(...) { SG_UI_Msg_Add_Error(CSG_String::Format(_TL("Unknown LAS header exception!"))); ifs.close(); return( false ); } delete (pReader); ifs.clear(); //----------------------------------------------------- liblas::LASReader reader(ifs); liblas::LASHeader const& header = reader.GetHeader(); //----------------------------------------------------- int nFields, iField[VAR_Count]; CSG_PointCloud *pPoints = SG_Create_PointCloud(); pPoints->Set_Name(SG_File_Get_Name(Files[i], false)); nFields = 3; ADD_FIELD("T", VAR_T, _TL("gps-time") , SG_DATATYPE_Double); // SG_DATATYPE_Long ADD_FIELD("i", VAR_i, _TL("intensity") , SG_DATATYPE_Float); // SG_DATATYPE_Word ADD_FIELD("a", VAR_a, _TL("scan angle") , SG_DATATYPE_Float); // SG_DATATYPE_Byte ADD_FIELD("r", VAR_r, _TL("number of the return") , SG_DATATYPE_Int); ADD_FIELD("c", VAR_c, _TL("classification") , SG_DATATYPE_Int); // SG_DATATYPE_Byte ADD_FIELD("u", VAR_u, _TL("user data") , SG_DATATYPE_Double); // SG_DATATYPE_Byte ADD_FIELD("n", VAR_n, _TL("number of returns of given pulse") , SG_DATATYPE_Int); ADD_FIELD("R", VAR_R, _TL("red channel color") , SG_DATATYPE_Int); // SG_DATATYPE_Word ADD_FIELD("G", VAR_G, _TL("green channel color") , SG_DATATYPE_Int); ADD_FIELD("B", VAR_B, _TL("blue channel color") , SG_DATATYPE_Int); ADD_FIELD("e", VAR_e, _TL("edge of flight line flag") , SG_DATATYPE_Char); ADD_FIELD("d", VAR_d, _TL("direction of scan flag") , SG_DATATYPE_Char); ADD_FIELD("p", VAR_p, _TL("point source ID") , SG_DATATYPE_Int); // SG_DATATYPE_Word ADD_FIELD("C", VAR_C, _TL("rgb color") , SG_DATATYPE_Int); //----------------------------------------------------- int iPoint = 0; try { while( reader.ReadNextPoint() ) { if (iPoint % 100000) SG_UI_Process_Set_Progress(iPoint, header.GetPointRecordsCount()); liblas::LASPoint const& point = reader.GetPoint(); if( bValidity ) { if( !point.IsValid() ) { cntInvalid++; continue; } } pPoints->Add_Point(point.GetX(), point.GetY(), point.GetZ()); if( iField[VAR_T] > 0 ) pPoints->Set_Value(iPoint, iField[VAR_T], point.GetTime()); if( iField[VAR_i] > 0 ) pPoints->Set_Value(iPoint, iField[VAR_i], point.GetIntensity()); if( iField[VAR_a] > 0 ) pPoints->Set_Value(iPoint, iField[VAR_a], point.GetScanAngleRank()); if( iField[VAR_r] > 0 ) pPoints->Set_Value(iPoint, iField[VAR_r], point.GetReturnNumber()); if( iField[VAR_c] > 0 ) pPoints->Set_Value(iPoint, iField[VAR_c], point.GetClassification()); if( iField[VAR_u] > 0 ) pPoints->Set_Value(iPoint, iField[VAR_u], point.GetUserData()); if( iField[VAR_n] > 0 ) pPoints->Set_Value(iPoint, iField[VAR_n], point.GetNumberOfReturns()); if( iField[VAR_R] > 0 ) pPoints->Set_Value(iPoint, iField[VAR_R], point.GetColor().GetRed()); if( iField[VAR_G] > 0 ) pPoints->Set_Value(iPoint, iField[VAR_G], point.GetColor().GetGreen()); if( iField[VAR_B] > 0 ) pPoints->Set_Value(iPoint, iField[VAR_B], point.GetColor().GetBlue()); if( iField[VAR_e] > 0 ) pPoints->Set_Value(iPoint, iField[VAR_e], point.GetFlightLineEdge()); if( iField[VAR_d] > 0 ) pPoints->Set_Value(iPoint, iField[VAR_d], point.GetScanDirection()); if( iField[VAR_p] > 0 ) pPoints->Set_Value(iPoint, iField[VAR_p], point.GetPointSourceID()); if( iField[VAR_C] > 0 ) { double r, g, b; r = point.GetColor().GetRed(); g = point.GetColor().GetGreen(); b = point.GetColor().GetBlue(); if (RGBrange == 0) // 16 bit { r = r / 65535 * 255; g = g / 65535 * 255; b = b / 65535 * 255; } pPoints->Set_Value(iPoint, iField[VAR_C], SG_GET_RGB(r, g, b)); } iPoint++; } } catch(std::exception &e) { SG_UI_Msg_Add_Error(CSG_String::Format(_TL("LAS reader exception: %s"), e.what())); ifs.close(); return( false ); } catch(...) { SG_UI_Msg_Add_Error(CSG_String::Format(_TL("Unknown LAS reader exception!"))); ifs.close(); return( false ); } ifs.close(); pPointsList->Add_Item(pPoints); DataObject_Add(pPoints); //----------------------------------------------------- CSG_Parameters sParms; DataObject_Get_Parameters(pPoints, sParms); if (sParms("METRIC_ATTRIB") && sParms("COLORS_TYPE") && sParms("METRIC_COLORS") && sParms("METRIC_ZRANGE") && sParms("DISPLAY_VALUE_AGGREGATE")) { sParms("DISPLAY_VALUE_AGGREGATE")->Set_Value(3); // highest z sParms("COLORS_TYPE")->Set_Value(2); // graduated color sParms("METRIC_COLORS")->asColors()->Set_Count(255); // number of colors sParms("METRIC_ATTRIB")->Set_Value(2); // z attrib sParms("METRIC_ZRANGE")->asRange()->Set_Range(pPoints->Get_Minimum(2),pPoints->Get_Maximum(2)); } DataObject_Set_Parameters(pPoints, sParms); SG_UI_Msg_Add(_TL("okay"), false); } //----------------------------------------------------- if( bValidity && cntInvalid > 0 ) SG_UI_Msg_Add(CSG_String::Format(_TL("WARNING: %d invalid points skipped!"), cntInvalid), true); return( true ); }