//---------------------------------------------------------
CSG_Grid * CLandsat_Import::Get_Projection(CSG_Grid *pGrid, const CSG_String &Proj4)
{
if( pGrid->Get_Projection().is_Okay() == false )
{
return( NULL );
}
CSG_Module *pModule = SG_Get_Module_Library_Manager().Get_Module(SG_T("pj_proj4"), 4); // Coordinate Transformation (Grid)
if( pModule == NULL )
{
return( NULL );
}
int Interpolation;
switch( Parameters("INTERPOLATION")->asInt() )
{
case 0: Interpolation = GRID_INTERPOLATION_NearestNeighbour; break;
case 1: Interpolation = GRID_INTERPOLATION_Bilinear ; break;
default: Interpolation = GRID_INTERPOLATION_BSpline ; break;
}
Message_Add(CSG_String::Format(SG_T("\n%s (%s: %s)\n"), _TL("re-projection to geographic coordinates"), _TL("original"), pGrid->Get_Projection().Get_Name().c_str()), false);
pModule->Settings_Push(NULL);
if( pModule->Set_Parameter("CRS_PROJ4" , Proj4 )
&& pModule->Set_Parameter("INTERPOLATION", Interpolation)
&& pModule->Set_Parameter("SOURCE" , pGrid )
&& pModule->Execute() )
{
pGrid = pModule->Get_Parameters("TARGET")->Get_Parameter("GRID")->asGrid();
pModule->Settings_Pop();
return( pGrid );
}
pModule->Settings_Pop();
Message_Add(CSG_String::Format(SG_T("\n%s: %s\n"), _TL("re-projection"), _TL("failed")), false);
return( NULL );
}
//---------------------------------------------------------
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 );
}
