//--------------------------------------------------------- bool CSG_Grid::_Load(const CSG_String &File_Name, TSG_Data_Type Type, TSG_Grid_Memory_Type Memory_Type) { bool bResult; //----------------------------------------------------- Destroy(); m_Type = Type; //----------------------------------------------------- SG_UI_Msg_Add(CSG_String::Format(SG_T("%s: %s..."), LNG("[MSG] Load grid"), File_Name.c_str()), true); if( SG_File_Cmp_Extension(File_Name, SG_T("grd")) ) { bResult = _Load_Surfer(File_Name, Memory_Type); } else { bResult = _Load_Native(File_Name, Memory_Type); } //----------------------------------------------------- if( bResult ) { Set_Update_Flag(); Set_File_Name(File_Name); Load_MetaData(File_Name); m_bCreated = true; SG_UI_Msg_Add(LNG("[MSG] okay"), false, SG_UI_MSG_STYLE_SUCCESS); } else { Destroy(); SG_UI_Msg_Add(LNG("[MSG] failed"), false, SG_UI_MSG_STYLE_FAILURE); SG_UI_Msg_Add_Error(LNG("[ERR] Grid file could not be opened.")); } //----------------------------------------------------- return( bResult ); }
//--------------------------------------------------------- bool CSG_Table::_Load(const CSG_String &File_Name, TSG_Table_File_Type Format, const SG_Char *Separator) { if( !::SG_File_Exists(File_Name) ) { return( false ); } bool bResult; CSG_String fName, sSeparator(Separator); _Destroy(); SG_UI_Msg_Add(CSG_String::Format(SG_T("%s: %s..."), LNG("[MSG] Load table"), File_Name.c_str()), true); //----------------------------------------------------- if( Format == TABLE_FILETYPE_Undefined ) { if( SG_File_Cmp_Extension(File_Name, SG_T("dbf")) ) { Format = TABLE_FILETYPE_DBase; } else if( SG_File_Cmp_Extension(File_Name, SG_T("csv")) ) { Format = TABLE_FILETYPE_Text; sSeparator = ";"; } else //if( SG_File_Cmp_Extension(File_Name, SG_T("txt")) ) { Format = TABLE_FILETYPE_Text; } } //----------------------------------------------------- switch( Format ) { case TABLE_FILETYPE_Text: bResult = _Load_Text (File_Name, true , sSeparator); break; case TABLE_FILETYPE_Text_NoHeadLine: bResult = _Load_Text (File_Name, false, sSeparator); break; case TABLE_FILETYPE_DBase: bResult = _Load_DBase(File_Name); break; default: bResult = false; } //----------------------------------------------------- if( bResult ) { Set_Modified(false); Set_Update_Flag(); Set_File_Name(File_Name); Load_MetaData(File_Name); SG_UI_Msg_Add(LNG("[MSG] okay"), false, SG_UI_MSG_STYLE_SUCCESS); return( true ); } SG_UI_Msg_Add(LNG("[MSG] failed"), false, SG_UI_MSG_STYLE_FAILURE); return( false ); }
//--------------------------------------------------------- bool CSG_PointCloud::_Load(const CSG_String &File_Name) { TSG_Data_Type Type; char ID[6]; int i, iBuffer, nPointBytes, nFields; char Name[1024]; CSG_File Stream; SG_UI_Msg_Add(CSG_String::Format(SG_T("%s: %s..."), _TL("Load point cloud"), File_Name.c_str()), true); //----------------------------------------------------- if( !Stream.Open(File_Name, SG_FILE_R, true) ) { SG_UI_Msg_Add(_TL("failed"), false, SG_UI_MSG_STYLE_FAILURE); SG_UI_Msg_Add_Error(_TL("file could not be opened.")); return( false ); } if( !Stream.Read(ID, 6) || strncmp(ID, PC_FILE_VERSION, 5) != 0 ) { SG_UI_Msg_Add(_TL("failed"), false, SG_UI_MSG_STYLE_FAILURE); SG_UI_Msg_Add_Error(_TL("incompatible file.")); return( false ); } if( !Stream.Read(&nPointBytes, sizeof(int)) || nPointBytes < (int)(3 * sizeof(float)) ) { SG_UI_Msg_Add(_TL("failed"), false, SG_UI_MSG_STYLE_FAILURE); SG_UI_Msg_Add_Error(_TL("incompatible file.")); return( false ); } if( !Stream.Read(&nFields, sizeof(int)) || nFields < 3 ) { SG_UI_Msg_Add(_TL("failed"), false, SG_UI_MSG_STYLE_FAILURE); SG_UI_Msg_Add_Error(_TL("incompatible file.")); return( false ); } //----------------------------------------------------- Destroy(); for(i=0; i<nFields; i++) { if( !Stream.Read(&Type , sizeof(TSG_Data_Type)) || !Stream.Read(&iBuffer , sizeof(int)) || !(iBuffer > 0 && iBuffer < 1024) || !Stream.Read(Name , iBuffer) ) { SG_UI_Msg_Add(_TL("failed"), false, SG_UI_MSG_STYLE_FAILURE); SG_UI_Msg_Add_Error(_TL("incompatible file.")); return( false ); } if( ID[5] == '0' ) // Data Type Definition changed!!! { switch( Type ) { default: Type = SG_DATATYPE_Undefined; break; case 1: Type = SG_DATATYPE_Char; break; case 2: Type = SG_DATATYPE_Short; break; case 3: Type = SG_DATATYPE_Int; break; case 4: Type = SG_DATATYPE_Long; break; case 5: Type = SG_DATATYPE_Float; break; case 6: Type = SG_DATATYPE_Double; break; } } Name[iBuffer] = '\0'; if( !_Add_Field(CSG_String((const char *)Name), Type) ) { SG_UI_Msg_Add(_TL("failed"), false, SG_UI_MSG_STYLE_FAILURE); SG_UI_Msg_Add_Error(_TL("incompatible file.")); return( false ); } } if( m_nPointBytes != nPointBytes + 1 ) { SG_UI_Msg_Add(_TL("failed"), false, SG_UI_MSG_STYLE_FAILURE); SG_UI_Msg_Add_Error(_TL("incompatible file.")); return( false ); } //----------------------------------------------------- sLong fLength = Stream.Length(); while( _Inc_Array() && Stream.Read(m_Cursor + 1, nPointBytes) && SG_UI_Process_Set_Progress((double)Stream.Tell(), (double)fLength) ) {} _Dec_Array(); Set_File_Name(File_Name, true); Load_MetaData(File_Name); if( 0 > Get_Count() ) { SG_UI_Msg_Add(_TL("failed"), false, SG_UI_MSG_STYLE_FAILURE); SG_UI_Msg_Add_Error(_TL("no records in file.")); return( false ); } //----------------------------------------------------- SG_UI_Process_Set_Ready(); Get_Projection().Load(SG_File_Make_Path(NULL, File_Name, SG_T("prj")), SG_PROJ_FMT_WKT); SG_UI_Msg_Add(_TL("okay"), false, SG_UI_MSG_STYLE_SUCCESS); return( true ); }
//--------------------------------------------------------- bool CSG_Shapes::Create(const CSG_String &File_Name) { Destroy(); SG_UI_Msg_Add(CSG_String::Format("%s: %s...", _TL("Load shapes"), File_Name.c_str()), true); //----------------------------------------------------- bool bResult = File_Name.BeforeFirst(':').Cmp("PGSQL") && SG_File_Exists(File_Name) && _Load_ESRI(File_Name); if( bResult ) { Set_File_Name(File_Name, true); Load_MetaData(File_Name); } //----------------------------------------------------- else if( File_Name.BeforeFirst(':').Cmp("PGSQL") == 0 ) // database source { CSG_String s(File_Name); s = s.AfterFirst(':'); CSG_String Host (s.BeforeFirst(':')); s = s.AfterFirst(':'); CSG_String Port (s.BeforeFirst(':')); s = s.AfterFirst(':'); CSG_String DBName(s.BeforeFirst(':')); s = s.AfterFirst(':'); CSG_String Table (s.BeforeFirst(':')); CSG_Module *pModule = SG_Get_Module_Library_Manager().Get_Module("db_pgsql", 0); // CGet_Connections if( pModule != NULL ) { SG_UI_ProgressAndMsg_Lock(true); //--------------------------------------------- CSG_Table Connections; CSG_String Connection = DBName + " [" + Host + ":" + Port + "]"; pModule->Settings_Push(); if( pModule->On_Before_Execution() && SG_MODULE_PARAMETER_SET("CONNECTIONS", &Connections) && pModule->Execute() ) // CGet_Connections { for(int i=0; !bResult && i<Connections.Get_Count(); i++) { if( !Connection.Cmp(Connections[i].asString(0)) ) { bResult = true; } } } pModule->Settings_Pop(); //--------------------------------------------- if( bResult && (bResult = (pModule = SG_Get_Module_Library_Manager().Get_Module("db_pgsql", 20)) != NULL) == true ) // CPGIS_Shapes_Load { pModule->Settings_Push(); bResult = pModule->On_Before_Execution() && SG_MODULE_PARAMETER_SET("CONNECTION", Connection) && SG_MODULE_PARAMETER_SET("TABLES" , Table) && SG_MODULE_PARAMETER_SET("SHAPES" , this) && pModule->Execute(); pModule->Settings_Pop(); } SG_UI_ProgressAndMsg_Lock(false); } } //----------------------------------------------------- if( bResult ) { Set_Modified(false); Set_Update_Flag(); SG_UI_Msg_Add(_TL("okay"), false, SG_UI_MSG_STYLE_SUCCESS); return( true ); } for(int iShape=Get_Count()-1; iShape>=0; iShape--) // be kind, keep at least those shapes that have been loaded successfully { if( !Get_Shape(iShape)->is_Valid() ) { Del_Shape(iShape); } } if( Get_Count() <= 0 ) { Destroy(); } SG_UI_Msg_Add(_TL("failed"), false, SG_UI_MSG_STYLE_FAILURE); return( false ); }