//---------------------------------------------------------
bool CGrid_Value_Type::On_Execute(void)
{
//-----------------------------------------------------
CSG_Grid *pOutput = Parameters("OUTPUT")->asGrid();
CSG_Grid *pInput = Parameters("INPUT" )->asGrid(), Input;
if( pOutput == NULL || pOutput == pInput )
{
Input.Create(*pInput);
pOutput = pInput;
pInput = &Input;
}
//-----------------------------------------------------
double Offset = Parameters("OFFSET")->asDouble();
double Scale = Parameters("SCALE" )->asDouble();
if( Scale == 0.0 )
{
Error_Set(_TL("scale factor must not equal zero"));
return( false );
}
//-----------------------------------------------------
switch( Parameters("TYPE")->asInt() )
{
default:
Error_Set(_TL("undefined data type"));
return( false );
case 0: pOutput->Create(*Get_System(), SG_DATATYPE_Bit ); break;
case 1: pOutput->Create(*Get_System(), SG_DATATYPE_Byte ); break;
case 2: pOutput->Create(*Get_System(), SG_DATATYPE_Char ); break;
case 3: pOutput->Create(*Get_System(), SG_DATATYPE_Word ); break;
case 4: pOutput->Create(*Get_System(), SG_DATATYPE_Short ); break;
case 5: pOutput->Create(*Get_System(), SG_DATATYPE_DWord ); break;
case 6: pOutput->Create(*Get_System(), SG_DATATYPE_Int ); break;
case 7: pOutput->Create(*Get_System(), SG_DATATYPE_Float ); break;
case 8: pOutput->Create(*Get_System(), SG_DATATYPE_Double); break;
}
pOutput->Set_Name (pInput->Get_Name ());
pOutput->Set_Description(pInput->Get_Description());
pOutput->Set_Unit (pInput->Get_Unit ());
pOutput->Set_Scaling (Scale, Offset);
//-----------------------------------------------------
for(int y=0; y<Get_NY() && Set_Progress(y); y++)
{
#pragma omp parallel for
for(int x=0; x<Get_NX(); x++)
{
if( pInput->is_NoData(x, y) )
{
pOutput->Set_NoData(x, y);
}
else
{
pOutput->Set_Value(x, y, pInput->asDouble(x, y));
}
}
}
//-----------------------------------------------------
if( pOutput == Parameters("INPUT")->asGrid() )
{
DataObject_Update(pOutput);
}
return( true );
}
//---------------------------------------------------------
CSG_Grid * CLandsat_Import::Get_Band(const CSG_String &File)
{
CSG_Data_Manager tmpMgr;
if( !tmpMgr.Add(File) || !tmpMgr.Get_Grid_System(0) || !tmpMgr.Get_Grid_System(0)->Get(0) )
{
Error_Set(CSG_String::Format(SG_T("%s: %s"), _TL("could not load file"), File.c_str()));
return( NULL );
}
tmpMgr.Get_Grid_System(0)->Get(0)->Set_NoData_Value(0); // landsat 8 pretends to use a value of 65535 (2^16 - 1)
CSG_Grid *pBand = NULL;
//-----------------------------------------------------
if( !tmpMgr.Get_Grid_System(0)->Get(0)->Get_Projection().is_Okay() )
{
// undefined coordinate system, nothing to do be done further...
}
//-----------------------------------------------------
else if( Parameters("PROJECTION")->asInt() == 2 ) // Geographic Coordinates
{
pBand = Get_Projection((CSG_Grid *)tmpMgr.Get_Grid_System(0)->Get(0), "+proj=longlat +ellps=WGS84 +datum=WGS84");
}
//-----------------------------------------------------
else // UTM
{
CSG_Grid *pTmp = (CSG_Grid *)tmpMgr.Get_Grid_System(0)->Get(0);
CSG_String Projection = pTmp->Get_Projection().Get_Proj4();
if( Projection.Find("+proj=utm") >= 0
&& ( (Projection.Find("+south") >= 0 && Parameters("PROJECTION")->asInt() == 0)
|| (Projection.Find("+south") < 0 && Parameters("PROJECTION")->asInt() == 1))
&& (pBand = SG_Create_Grid(pTmp->Get_Type(), pTmp->Get_NX(), pTmp->Get_NY(), pTmp->Get_Cellsize(),
pTmp->Get_XMin(), pTmp->Get_YMin() + (Parameters("PROJECTION")->asInt() == 1 ? 10000000 : -10000000)
)) != NULL )
{
if( Parameters("PROJECTION")->asInt() == 1 )
Projection.Append (" +south");
else
Projection.Replace(" +south", "");
pBand->Get_Projection().Create(Projection, SG_PROJ_FMT_Proj4);
pBand->Set_Name (pTmp->Get_Name());
pBand->Set_Description (pTmp->Get_Description());
pBand->Set_NoData_Value_Range(pTmp->Get_NoData_Value(), pTmp->Get_NoData_hiValue());
pBand->Set_Scaling (pTmp->Get_Scaling(), pTmp->Get_Offset());
#pragma omp parallel for
for(int y=0; y<pBand->Get_NY(); y++)
{
for(int x=0; x<pBand->Get_NX(); x++)
{
pBand->Set_Value(x, y, pTmp->asDouble(x, y));
}
}
}
}
//-----------------------------------------------------
if( !pBand )
{
pBand = (CSG_Grid *)tmpMgr.Get_Grid_System(0)->Get(0);
tmpMgr.Delete(tmpMgr.Get_Grid_System(0)->Get(0), true); // make permanent, detach from temporary data manager
}
return( pBand );
}
//---------------------------------------------------------
bool CGrid_RGB_Composite::On_Execute(void)
{
double rMin, rRange, gMin, gRange, bMin, bRange, aMin, aRange;
//-----------------------------------------------------
CSG_Grid *pR = _Get_Grid(Parameters("R_GRID")->asGrid(), Parameters("R_METHOD")->asInt(), Parameters("R_RANGE")->asRange(), Parameters("R_PERCTL")->asRange(), Parameters("R_STDDEV")->asDouble(), rMin, rRange);
CSG_Grid *pG = _Get_Grid(Parameters("G_GRID")->asGrid(), Parameters("G_METHOD")->asInt(), Parameters("G_RANGE")->asRange(), Parameters("G_PERCTL")->asRange(), Parameters("G_STDDEV")->asDouble(), gMin, gRange);
CSG_Grid *pB = _Get_Grid(Parameters("B_GRID")->asGrid(), Parameters("B_METHOD")->asInt(), Parameters("B_RANGE")->asRange(), Parameters("B_PERCTL")->asRange(), Parameters("B_STDDEV")->asDouble(), bMin, bRange);
CSG_Grid *pA = _Get_Grid(Parameters("A_GRID")->asGrid(), Parameters("A_METHOD")->asInt(), Parameters("A_RANGE")->asRange(), Parameters("A_PERCTL")->asRange(), Parameters("A_STDDEV")->asDouble(), aMin, aRange);
//-----------------------------------------------------
CSG_Grid *pRGB = Parameters("RGB")->asGrid();
pRGB->Create(pRGB->Get_System(), SG_DATATYPE_Int);
pRGB->Set_Name(_TL("Composite"));
CSG_String s;
s += CSG_String(_TL("Red" )) + ": " + pR->Get_Name() + "\n";
s += CSG_String(_TL("Green")) + ": " + pG->Get_Name() + "\n";
s += CSG_String(_TL("Blue" )) + ": " + pB->Get_Name() + "\n";
if( pA )
{
s += CSG_String(_TL("Alpha")) + ": " + pA->Get_Name() + "\n";
}
pRGB->Set_Description(s);
DataObject_Set_Colors (pRGB, 100, SG_COLORS_BLACK_WHITE);
DataObject_Set_Parameter(pRGB, "COLORS_TYPE", 5); // Color Classification Type: RGB Coded Values
//-----------------------------------------------------
for(int y=0; y<Get_NY() && Set_Progress(y); y++)
{
#pragma omp parallel for
for(int x=0; x<Get_NX(); x++)
{
if( pR->is_NoData(x, y) || pG->is_NoData(x, y) || pB->is_NoData(x, y) || (pA && pA->is_NoData(x, y)) )
{
pRGB->Set_NoData(x, y);
}
else
{
int r = (int)(rRange * (pR->asDouble(x, y) - rMin)); if( r > 255 ) r = 255; else if( r < 0 ) r = 0;
int g = (int)(gRange * (pG->asDouble(x, y) - gMin)); if( g > 255 ) g = 255; else if( g < 0 ) g = 0;
int b = (int)(bRange * (pB->asDouble(x, y) - bMin)); if( b > 255 ) b = 255; else if( b < 0 ) b = 0;
if( pA )
{
int a = (int)(aRange * (pA->asDouble(x, y) - aMin)); if( a > 255 ) a = 255; else if( a < 0 ) a = 0;
pRGB->Set_Value(x, y, SG_GET_RGBA(r, g, b, a));
}
else
{
pRGB->Set_Value(x, y, SG_GET_RGB (r, g, b));
}
}
}
}
return( true );
}
//---------------------------------------------------------
bool CWRF_Import::Load(const CSG_String &File)
{
//-----------------------------------------------------
// 00001-00600.00001-00600
// 01234567890123456789012
CSG_String Name = SG_File_Get_Name(File, true);
if( Name.Length() != 23 || Name[5] != SG_T('-') || Name[11] != SG_T('.') || Name[17] != SG_T('-') )
{
Error_Set(_TL("invalid geogrid file name"));
return( false );
}
int xOffset = Name.asInt() - 1;
int yOffset = Name.AfterFirst(SG_T('.')).asInt() - 1;
//-----------------------------------------------------
CSG_File Stream;
if( !Stream.Open(File, SG_FILE_R) )
{
Error_Set(_TL("data file could not be openend"));
return( false );
}
//-----------------------------------------------------
TSG_Data_Type Type;
switch( m_Index.m_WORDSIZE )
{
default:
Error_Set(_TL("invalid word size"));
return( false );
case 1: Type = m_Index.m_SIGNED == false ? SG_DATATYPE_Byte : SG_DATATYPE_Char; break;
case 2: Type = m_Index.m_SIGNED == false ? SG_DATATYPE_Word : SG_DATATYPE_Short; break;
case 4: Type = m_Index.m_SIGNED == false ? SG_DATATYPE_DWord : SG_DATATYPE_Int; break;
}
//-----------------------------------------------------
char *pLine, *pValue;
int x, y, nBytes_Line;
nBytes_Line = (m_Index.m_TILE_X + 2 * m_Index.m_TILE_BDR) * m_Index.m_WORDSIZE;
pLine = (char *)SG_Malloc(nBytes_Line);
//-----------------------------------------------------
for(int z=m_Index.m_TILE_Z_START; z<=m_Index.m_TILE_Z_END && !Stream.is_EOF() && Process_Get_Okay(); z++)
{
CSG_Grid *pGrid = SG_Create_Grid(
Type,
m_Index.m_TILE_X + 2 * m_Index.m_TILE_BDR,
m_Index.m_TILE_Y + 2 * m_Index.m_TILE_BDR,
m_Index.m_DX,
m_Index.m_KNOWN_LON + (xOffset - m_Index.m_TILE_BDR) * m_Index.m_DX,
m_Index.m_KNOWN_LAT + (yOffset - m_Index.m_TILE_BDR) * m_Index.m_DY
);
pGrid->Set_Name (CSG_String::Format(SG_T("%s_%02d"), SG_File_Get_Name(File, false).c_str(), z));
pGrid->Set_Description (m_Index.m_DESCRIPTION);
pGrid->Set_Unit (m_Index.m_UNITS);
pGrid->Set_NoData_Value (m_Index.m_MISSING_VALUE);
pGrid->Set_Scaling (m_Index.m_SCALE_FACTOR);
Parameters("GRIDS")->asGridList()->Add_Item(pGrid);
//-------------------------------------------------
for(y=0; y<pGrid->Get_NY() && !Stream.is_EOF() && Set_Progress(y, pGrid->Get_NY()); y++)
{
int yy = m_Index.m_ROW_ORDER == VAL_TOP_BOTTOM ? pGrid->Get_NY() - 1 - y : y;
Stream.Read(pLine, sizeof(char), nBytes_Line);
for(x=0, pValue=pLine; x<pGrid->Get_NX(); x++, pValue+=m_Index.m_WORDSIZE)
{
if( m_Index.m_ENDIAN == VAL_ENDIAN_BIG )
{
SG_Swap_Bytes(pValue, m_Index.m_WORDSIZE);
}
switch( pGrid->Get_Type() )
{
case SG_DATATYPE_Byte: pGrid->Set_Value(x, yy, *(unsigned char *)pValue); break; // 1 Byte Integer (unsigned)
case SG_DATATYPE_Char: pGrid->Set_Value(x, yy, *(signed char *)pValue); break; // 1 Byte Integer (signed)
case SG_DATATYPE_Word: pGrid->Set_Value(x, yy, *(unsigned short *)pValue); break; // 2 Byte Integer (unsigned)
case SG_DATATYPE_Short: pGrid->Set_Value(x, yy, *(signed short *)pValue); break; // 2 Byte Integer (signed)
case SG_DATATYPE_DWord: pGrid->Set_Value(x, yy, *(unsigned int *)pValue); break; // 4 Byte Integer (unsigned)
case SG_DATATYPE_Int: pGrid->Set_Value(x, yy, *(signed int *)pValue); break; // 4 Byte Integer (signed)
}
}
}
}
//-----------------------------------------------------
SG_Free(pLine);
return( true );
}
