//---------------------------------------------------------
bool CSRTM30_Import::On_Execute(void)
{
char x_sTile[9][5] = { "W180", "W140", "W100", "W060", "W020", "E020", "E060", "E100", "E140" },
y_sTile[3][4] = { "S10", "N40", "N90" };
double dSize = 30.0 / (60.0 * 60.0);
//-----------------------------------------------------
int xTile, yTile;
double xMin, xMax, yMin, yMax;
TSG_Rect rOut, rTile;
CSG_String sTile;
CSG_Grid *pOut;
//-----------------------------------------------------
xMin = Parameters("XMIN")->asInt();
xMax = Parameters("XMAX")->asInt();
yMin = Parameters("YMIN")->asInt();
yMax = Parameters("YMAX")->asInt();
rOut.xMin = (180 + xMin) / 40.0 * X_WIDTH;
rOut.xMax = rOut.xMin + (int)((xMax - xMin) / dSize);
rOut.yMin = ( 60 + yMin) / 50.0 * Y_WIDTH;
rOut.yMax = rOut.yMin + (int)((yMax - yMin) / dSize);
//-----------------------------------------------------
pOut = SG_Create_Grid(SG_DATATYPE_Short,
(int)(rOut.xMax - rOut.xMin),
(int)(rOut.yMax - rOut.yMin),
dSize,
xMin + 0.5 * dSize,
yMin + 0.5 * dSize
);
pOut->Set_NoData_Value(-9999);
pOut->Assign_NoData();
pOut->Set_Name(SG_T("SRTM30"));
pOut->Get_Projection().Create(SG_T("GEOGCS[\"WGS 84\",DATUM[\"WGS_1984\",SPHEROID[\"WGS 84\",6378137,298.257223563,AUTHORITY[\"EPSG\",\"7030\"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY[\"EPSG\",\"6326\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745329251994328,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4326\"]]"));
//-----------------------------------------------------
for(yTile=0, rTile.yMin=0, rTile.yMax=Y_WIDTH; yTile<3; yTile++, rTile.yMin+=Y_WIDTH, rTile.yMax+=Y_WIDTH)
{
for(xTile=0, rTile.xMin=0, rTile.xMax=X_WIDTH; xTile<9; xTile++, rTile.xMin+=X_WIDTH, rTile.xMax+=X_WIDTH)
{
sTile.Printf(SG_T("Tile: %s%s"), x_sTile[xTile], y_sTile[yTile]);
Process_Set_Text(sTile);
sTile.Printf(SG_T("%s%s%s.dem"), Parameters("PATH")->asString(), x_sTile[xTile], y_sTile[yTile]);
Tile_Load(sTile, rTile, pOut, rOut);
}
}
//-----------------------------------------------------
Parameters("GRID")->Set_Value(pOut);
return( true );
}
//---------------------------------------------------------
bool CCRS_Transform_Grid::Transform(CSG_Parameter_Grid_List *pGrids, CSG_Shapes *pPoints)
{
if( !pPoints || !pGrids || pGrids->Get_Count() < 1 )
{
return( false );
}
CSG_Grid *pGrid = pGrids->asGrid(0);
if( !m_Projector.Set_Source(pGrid->Get_Projection()) )
{
return( false );
}
int x, y, i;
TSG_Point Point;
pPoints->Create(SHAPE_TYPE_Point, _TL("Points"));
pPoints->Get_Projection() = m_Projector.Get_Target();
for(i=0; i<pGrids->Get_Count(); i++)
{
pPoints->Add_Field(pGrids->asGrid(i)->Get_Name(), pGrids->asGrid(i)->Get_Type());
}
for(y=0, Point.y=pGrid->Get_YMin(); y<pGrid->Get_NY() && Set_Progress(y, pGrid->Get_NY()); y++, Point.y+=pGrid->Get_Cellsize())
{
for(x=0, Point.x=pGrid->Get_XMin(); x<pGrid->Get_NX(); x++, Point.x+=pGrid->Get_Cellsize())
{
TSG_Point Point_Transformed = Point;
if( m_Projector.Get_Projection(Point_Transformed) )
{
CSG_Shape *pPoint = pPoints->Add_Shape();
pPoint->Add_Point(Point_Transformed);
for(i=0; i<pGrids->Get_Count(); i++)
{
if( !pGrids->asGrid(i)->is_NoData(x, y) )
{
pPoint->Set_Value(i, pGrids->asGrid(i)->asDouble(x, y));
}
else
{
pPoint->Set_NoData(i);
}
}
}
}
}
return( true );
}
//---------------------------------------------------------
bool CGrid_Import::On_Execute(void)
{
bool bTransform;
int x, y, yy, Method;
double ax, ay, dx, dy, rx, ry, xMin, yMin, Cellsize;
CSG_Colors Colors;
CSG_String fImage, fWorld, Name;
CSG_Grid *pImage;
CSG_File Stream;
wxImage Image;
wxImageHistogram Histogram;
//-----------------------------------------------------
fImage = Parameters("FILE") ->asString();
Method = Parameters("METHOD") ->asInt();
Name = SG_File_Get_Name(fImage, false);
//-----------------------------------------------------
wxImageHandler *pImgHandler = NULL;
if( !SG_UI_Get_Window_Main() )
{
CSG_String fName = SG_File_Get_Name(fImage, true);
if( SG_File_Cmp_Extension(fName, SG_T("jpg")) )
pImgHandler = new wxJPEGHandler;
else if( SG_File_Cmp_Extension(fName, SG_T("pcx")) )
pImgHandler = new wxPCXHandler;
else if( SG_File_Cmp_Extension(fName, SG_T("tif")) )
pImgHandler = new wxTIFFHandler;
else if( SG_File_Cmp_Extension(fName, SG_T("gif")) )
pImgHandler = new wxGIFHandler;
else if( SG_File_Cmp_Extension(fName, SG_T("pnm")) )
pImgHandler = new wxPNMHandler;
else if( SG_File_Cmp_Extension(fName, SG_T("xpm")) )
pImgHandler = new wxXPMHandler;
#ifdef _SAGA_MSW
else if( SG_File_Cmp_Extension(fName, SG_T("bmp")) )
pImgHandler = new wxBMPHandler;
#endif
else // if( SG_File_Cmp_Extension(fName, SG_T("png")) )
pImgHandler = new wxPNGHandler;
wxImage::AddHandler(pImgHandler);
}
if( !Image.LoadFile(fImage.c_str()) )
{
return( false );
}
//-----------------------------------------------------
if( SG_File_Cmp_Extension(fImage, SG_T("bmp")) )
{
fWorld = SG_File_Make_Path(NULL, fImage, SG_T("bpw"));
}
else if( SG_File_Cmp_Extension(fImage, SG_T("jpg")) )
{
fWorld = SG_File_Make_Path(NULL, fImage, SG_T("jgw"));
}
else if( SG_File_Cmp_Extension(fImage, SG_T("png")) )
{
fWorld = SG_File_Make_Path(NULL, fImage, SG_T("pgw"));
}
else if( SG_File_Cmp_Extension(fImage, SG_T("tif")) )
{
fWorld = SG_File_Make_Path(NULL, fImage, SG_T("tfw"));
}
else
{
fWorld = SG_File_Make_Path(NULL, fImage, SG_T("world"));
}
bTransform = false;
xMin = 0.0;
yMin = 0.0;
Cellsize = 1.0;
if( Stream.Open(fWorld, SG_FILE_R, false) && fscanf(Stream.Get_Stream(), "%lf %lf %lf %lf %lf %lf ", &dx, &ry, &rx, &dy, &ax, &ay) == 6 )
{
if( dx != -dy || rx != 0.0 || ry != 0.0 )
{
bTransform = true;
}
else
{
xMin = ax;
yMin = ay + dy * (Image.GetHeight() - 1);
Cellsize = dx;
}
}
//-----------------------------------------------------
// color look-up table...
if( Method == 0 && (yy = Image.ComputeHistogram(Histogram)) <= 256 )
{
Colors.Set_Count(yy);
for(wxImageHistogram::iterator i=Histogram.begin(); i!=Histogram.end(); ++i)
{
Colors.Set_Color(i->second.index, SG_GET_R(i->first), SG_GET_G(i->first), SG_GET_B(i->first));
}
pImage = SG_Create_Grid(yy <= 2 ? SG_DATATYPE_Bit : SG_DATATYPE_Byte, Image.GetWidth(), Image.GetHeight(), Cellsize, xMin, yMin);
for(y=0; y<pImage->Get_NY() && Set_Progress(y, pImage->Get_NY()); y++)
{
yy = bTransform ? y : pImage->Get_NY() - 1 - y;
for(x=0; x<pImage->Get_NX(); x++)
{
pImage->Set_Value(x, y, Histogram[SG_GET_RGB(Image.GetRed(x, yy), Image.GetGreen(x, yy), Image.GetBlue(x, yy))].index);
}
}
if( bTransform )
{
Set_Transformation(&pImage, ax, ay, dx, dy, rx, ry);
}
pImage->Set_Name(Name);
pImage->Get_Projection().Load(SG_File_Make_Path(NULL, fImage, SG_T("prj")));
Parameters("OUT_GRID")->Set_Value(pImage);
DataObject_Set_Colors(pImage, Colors);
DataObject_Update(pImage, 0, Colors.Get_Count() - 1);
}
//-----------------------------------------------------
else // true color...
{
pImage = SG_Create_Grid(SG_DATATYPE_Int, Image.GetWidth(), Image.GetHeight(), Cellsize, xMin, yMin);
pImage ->Set_Name(Name);
for(y=0; y<pImage->Get_NY() && Set_Progress(y, pImage->Get_NY()); y++)
{
yy = bTransform ? y : pImage->Get_NY() - 1 - y;
for(x=0; x<pImage->Get_NX(); x++)
{
pImage->Set_Value(x, y, SG_GET_RGB(Image.GetRed(x, yy), Image.GetGreen(x, yy), Image.GetBlue(x, yy)));
}
}
if( bTransform )
{
Set_Transformation(&pImage, ax, ay, dx, dy, rx, ry);
}
//-------------------------------------------------
if( Method != 1 ) // true color...
{
pImage->Get_Projection().Load(fImage, SG_PROJ_FMT_WKT);
pImage->Set_Name(Name);
pImage->Get_Projection().Load(SG_File_Make_Path(NULL, fImage, SG_T("prj")));
Parameters("OUT_GRID")->Set_Value(pImage);
DataObject_Set_Colors(pImage, 100, SG_COLORS_BLACK_WHITE);
DataObject_Set_Parameter(pImage, "COLORS_TYPE", 6); // Color Classification Type: RGB
}
//-------------------------------------------------
else // split channels...
{
CSG_Grid *pR, *pG, *pB;
pR = SG_Create_Grid(pImage->Get_System(), SG_DATATYPE_Byte);
pG = SG_Create_Grid(pImage->Get_System(), SG_DATATYPE_Byte);
pB = SG_Create_Grid(pImage->Get_System(), SG_DATATYPE_Byte);
for(y=0; y<pImage->Get_NY() && Set_Progress(y, pImage->Get_NY()); y++)
{
for(x=0; x<pImage->Get_NX(); x++)
{
pR->Set_Value(x, y, SG_GET_R(pImage->asInt(x, y)));
pG->Set_Value(x, y, SG_GET_G(pImage->asInt(x, y)));
pB->Set_Value(x, y, SG_GET_B(pImage->asInt(x, y)));
}
}
pR->Get_Projection().Load(fImage, SG_PROJ_FMT_WKT);
pG->Get_Projection().Load(fImage, SG_PROJ_FMT_WKT);
pB->Get_Projection().Load(fImage, SG_PROJ_FMT_WKT);
pR->Set_Name(CSG_String::Format(SG_T("%s [R]"), Name.c_str()));
pG->Set_Name(CSG_String::Format(SG_T("%s [G]"), Name.c_str()));
pB->Set_Name(CSG_String::Format(SG_T("%s [B]"), Name.c_str()));
pR->Get_Projection().Load(SG_File_Make_Path(NULL, fImage, SG_T("prj")));
pG->Get_Projection().Load(SG_File_Make_Path(NULL, fImage, SG_T("prj")));
pB->Get_Projection().Load(SG_File_Make_Path(NULL, fImage, SG_T("prj")));
Parameters("OUT_RED") ->Set_Value(pR);
Parameters("OUT_GREEN") ->Set_Value(pG);
Parameters("OUT_BLUE") ->Set_Value(pB);
DataObject_Set_Colors(pR, 100, SG_COLORS_BLACK_RED);
DataObject_Set_Colors(pG, 100, SG_COLORS_BLACK_GREEN);
DataObject_Set_Colors(pB, 100, SG_COLORS_BLACK_BLUE);
}
}
//-----------------------------------------------------
if( !SG_UI_Get_Window_Main() && pImgHandler != NULL)
{
wxImage::RemoveHandler(pImgHandler->GetName());
}
//-----------------------------------------------------
return( true );
}
//---------------------------------------------------------
bool CSet_Grid_Georeference::On_Execute(void)
{
//-----------------------------------------------------
CSG_Parameter_Grid_List *pGrids = Parameters("GRIDS")->asGridList();
if( pGrids->Get_Count() <= 0 )
{
return( false );
}
//-----------------------------------------------------
double xMin, yMin, size;
switch( Parameters("DEFINITION")->asInt() )
{
case 0: // cellsize and lower left center coordinates
size = Parameters("SIZE")->asDouble();
xMin = Parameters("XMIN")->asDouble();
yMin = Parameters("YMIN")->asDouble();
break;
case 1: // cellsize and lower left corner coordinates
size = Parameters("SIZE")->asDouble();
xMin = Parameters("XMIN")->asDouble() + size * 0.5;
yMin = Parameters("YMIN")->asDouble() + size * 0.5;
break;
case 2: // cellsize and upper left center coordinates
size = Parameters("SIZE")->asDouble();
xMin = Parameters("XMIN")->asDouble();
yMin = Parameters("YMAX")->asDouble() - size * Get_NY();
break;
case 3: // cellsize and upper left corner coordinates
size = Parameters("SIZE")->asDouble();
xMin = Parameters("XMIN")->asDouble() + size * 0.5;
yMin = Parameters("YMAX")->asDouble() - size * (0.5 + Get_NY());
break;
case 4: // lower left and upper right center coordinates
size = (Parameters("XMAX")->asDouble() - Parameters("XMIN")->asDouble()) / Get_NX();
xMin = Parameters("XMIN")->asDouble();
yMin = Parameters("YMIN")->asDouble();
break;
case 5: // lower left and upper right corner coordinates
size = (Parameters("XMAX")->asDouble() - Parameters("XMIN")->asDouble()) / (Get_NX() + 1);
xMin = Parameters("XMIN")->asDouble() + size * 0.5;
yMin = Parameters("YMIN")->asDouble() + size * 0.5;
break;
}
//-----------------------------------------------------
CSG_Grid_System System;
if( !System.Assign(size, xMin, yMin, Get_NX(), Get_NY()) )
{
return( false );
}
//-----------------------------------------------------
Parameters("REFERENCED")->asGridList()->Del_Items();
for(int i=0; i<pGrids->Get_Count() && Process_Get_Okay(); i++)
{
CSG_Grid *pGrid = pGrids->asGrid(i);
CSG_Grid *pReferenced = SG_Create_Grid(System, pGrid->Get_Type());
pReferenced->Set_Name(pGrid->Get_Name());
pReferenced->Set_Unit(pGrid->Get_Unit());
pReferenced->Set_Scaling(pGrid->Get_Scaling(), pGrid->Get_Offset());
pReferenced->Set_NoData_Value_Range(pGrid->Get_NoData_Value(), pGrid->Get_NoData_hiValue());
pReferenced->Get_MetaData () = pGrid->Get_MetaData ();
pReferenced->Get_Projection() = pGrid->Get_Projection();
for(int y=0; y<Get_NY() && Set_Progress(y); y++)
{
#pragma omp parallel for
for(int x=0; x<Get_NX(); x++)
{
pReferenced->Set_Value(x, y, pGrid->asDouble(x, y));
}
}
Parameters("REFERENCED")->asGridList()->Add_Item(pReferenced);
}
//-----------------------------------------------------
return( true );
}
//---------------------------------------------------------
bool CMOLA_Import::On_Execute(void)
{
bool bDown;
int xa, xb, y, yy, NX, NY;
short *sLine;
double D, xMin, yMin;
CSG_File Stream;
TSG_Data_Type Type;
CSG_Grid *pGrid;
CSG_String fName, sName;
//-----------------------------------------------------
pGrid = NULL;
switch( Parameters("TYPE")->asInt() )
{
case 0: Type = SG_DATATYPE_Short; break;
case 1: default: Type = SG_DATATYPE_Float; break;
}
bDown = Parameters("ORIENT")->asInt() == 1;
//-----------------------------------------------------
// MEGpxxnyyyrv
// 012345678901
// p indicates the product type (A for areoid, C for counts, R for
// radius, and T for topography)
// xx is the latitude of the upper left corner of the image
// n indicates whether the latitude is north (N) or south (S)
// yyy is the east longitude of the upper left corner of the image
// r is the map resolution using the pattern
// c = 4 pixel per degree
// e = 16 pixel per degree
// f = 32 pixel per degree
// g = 64 pixel per degree
// h = 128 pixel per degree
// (This convention is consistent with that used for the Mars Digital
// Image Model [MDIM] archives.)
// v is a letter indicating the product version.
fName = SG_File_Get_Name(Parameters("FILE")->asString(), false);
fName.Make_Upper();
if( fName.Length() < 12 )
{
return( false );
}
//-----------------------------------------------------
switch( fName[3] )
{
default:
return( false );
case 'A':
sName.Printf(SG_T("MOLA: Areoid v%c") , fName[11]);
break;
case 'C':
sName.Printf(SG_T("MOLA: Counts v%c") , fName[11]);
break;
case 'R':
sName.Printf(SG_T("MOLA: Radius v%c") , fName[11]);
break;
case 'T':
sName.Printf(SG_T("MOLA: Topography v%c") , fName[11]);
break;
}
//-----------------------------------------------------
switch( fName[10] )
{
default:
return( false );
case 'C': // 1/4th degree...
D = 1.0 / 4.0;
NX = 4 * 360;
NY = 4 * 180;
yMin = - 90.0;
xMin = -180.0;
break;
case 'D': // 1/8th degree...
D = 1.0 / 8.0;
NX = 8 * 360;
NY = 8 * 180;
yMin = - 90.0;
xMin = -180.0;
break;
case 'E': // 1/16th degree...
D = 1.0 / 16.0;
NX = 16 * 360;
NY = 16 * 180;
yMin = - 90.0;
xMin = -180.0;
break;
case 'F': // 1/32th degree...
D = 1.0 / 32.0;
NX = 32 * 360;
NY = 32 * 180;
yMin = - 90.0;
xMin = -180.0;
break;
case 'G': // 1/64th degree...
D = 1.0 / 64.0;
NX = 64 * 180;
NY = 64 * 90;
yMin = (fName[6] == 'S' ? -1.0 : 1.0) * fName.Right(8).asInt();
yMin = bDown ? yMin - NY * D : -yMin;
xMin = fName.Right(5).asInt();
if( xMin >= 180.0 )
{
xMin -= 360.0;
}
break;
case 'H': // 1/128th degree...
D = 1.0 / 128.0;
NX = 128 * 90;
NY = 128 * 44;
yMin = (fName[6] == 'S' ? -1.0 : 1.0) * fName.Right(8).asInt();
yMin = bDown ? yMin - NY * D : -yMin;
xMin = fName.Right(5).asInt();
if( xMin >= 180.0 )
{
xMin -= 360.0;
}
break;
}
//-----------------------------------------------------
if( Stream.Open(Parameters("FILE")->asString(), SG_FILE_R, true) )
{
if( (pGrid = SG_Create_Grid(Type, NX, NY, D, xMin + D / 2.0, yMin + D / 2.0)) != NULL )
{
pGrid->Set_Name(sName);
pGrid->Set_NoData_Value(-999999);
pGrid->Get_Projection().Create(SG_T("+proj=lonlat +units=m +a=3396200.000000 +b=3376200.000000"), SG_PROJ_FMT_Proj4);
//---------------------------------------------
sLine = (short *)SG_Malloc(NX * sizeof(short));
for(y=0; y<NY && !Stream.is_EOF() && Set_Progress(y, NY); y++)
{
yy = bDown ? NY - 1 - y : y;
Stream.Read(sLine, NX, sizeof(short));
if( fName[10] == 'G' || fName[10] == 'H' )
{
for(xa=0; xa<NX; xa++)
{
SG_Swap_Bytes(sLine + xa, sizeof(short));
pGrid->Set_Value(xa, yy, sLine[xa]);
}
}
else
{
for(xa=0, xb=NX/2; xb<NX; xa++, xb++)
{
SG_Swap_Bytes(sLine + xa, sizeof(short));
SG_Swap_Bytes(sLine + xb, sizeof(short));
pGrid->Set_Value(xa, yy, sLine[xb]);
pGrid->Set_Value(xb, yy, sLine[xa]);
}
}
}
//---------------------------------------------
SG_Free(sLine);
Parameters("GRID")->Set_Value(pGrid);
}
}
return( pGrid != NULL );
}
//---------------------------------------------------------
bool CCRS_Transform_Grid::Transform(CSG_Parameter_Grid_List *pSources, CSG_Parameter_Grid_List *pTargets, const CSG_Grid_System &Target_System)
{
if( !m_Projector.Set_Inverse(true) || !pTargets || !pSources || pSources->Get_Count() < 1 )
{
return( false );
}
//-----------------------------------------------------
CSG_Grid *pX, *pY;
if( !Parameters("CREATE_XY")->asBool() )
{
pX = pY = NULL;
}
else
{
Parameters("OUT_X")->Set_Value(pX = SG_Create_Grid(Target_System, SG_DATATYPE_Float));
pX->Assign_NoData();
pX->Set_Name(_TL("X-Coordinate"));
pX->Get_Projection().Create(m_Projector.Get_Target());
Parameters("OUT_Y")->Set_Value(pY = SG_Create_Grid(Target_System, SG_DATATYPE_Float));
pY->Assign_NoData();
pY->Set_Name(_TL("Y-Coordinate"));
pY->Get_Projection().Create(m_Projector.Get_Target());
}
//-----------------------------------------------------
bool bGeogCS_Adjust = m_Projector.Get_Source().Get_Type() == SG_PROJ_TYPE_CS_Geographic && pSources->asGrid(0)->Get_System().Get_XMax() > 180.0;
Set_Target_Area(pSources->asGrid(0)->Get_System(), Target_System);
//-----------------------------------------------------
int i, n = pTargets->Get_Count();
for(i=0; i<pSources->Get_Count(); i++)
{
CSG_Grid *pSource = pSources->asGrid(i);
CSG_Grid *pTarget = SG_Create_Grid(Target_System, m_Interpolation == 0 ? pSource->Get_Type() : SG_DATATYPE_Float);
if( pTarget )
{
pTarget->Set_NoData_Value_Range (pSource->Get_NoData_Value(), pSource->Get_NoData_hiValue());
pTarget->Set_ZFactor (pSource->Get_ZFactor());
pTarget->Set_Name (CSG_String::Format(SG_T("%s"), pSource->Get_Name()));
pTarget->Set_Unit (pSource->Get_Unit());
pTarget->Assign_NoData();
pTarget->Get_Projection().Create(m_Projector.Get_Target());
pTargets->Add_Item(pTarget);
}
}
//-------------------------------------------------
for(int y=0; y<Target_System.Get_NY() && Set_Progress(y, Target_System.Get_NY()); y++)
{
double yTarget = Target_System.Get_YMin() + y * Target_System.Get_Cellsize();
#pragma omp parallel for private(i)
for(int x=0; x<Target_System.Get_NX(); x++)
{
double z, ySource, xSource = Target_System.Get_XMin() + x * Target_System.Get_Cellsize();
if( is_In_Target_Area(x, y) && m_Projector.Get_Projection(xSource, ySource = yTarget) )
{
if( pX ) pX->Set_Value(x, y, xSource);
if( pY ) pY->Set_Value(x, y, ySource);
if( bGeogCS_Adjust && xSource < 0.0 )
{
xSource += 360.0;
}
for(i=0; i<pTargets->Get_Count(); i++)
{
if( pSources->asGrid(i)->Get_Value(xSource, ySource, z, m_Interpolation) )
{
pTargets->asGrid(n + i)->Set_Value(x, y, z);
}
}
}
}
}
//-----------------------------------------------------
m_Target_Area.Destroy();
return( true );
}
//---------------------------------------------------------
bool CCRU_Table_Import::On_Execute(void)
{
//-----------------------------------------------------
CSG_File File;
if( !File.Open(Parameters("FILE")->asString(), SG_FILE_R, false) )
{
Error_Fmt("%s [%s]", _TL("could not open file"), Parameters("FILE")->asString());
return( false );
}
//-----------------------------------------------------
CSG_String sLine;
if( !File.Read_Line(sLine) )
{
Error_Fmt("%s [%s]", _TL("failed to read header"), Parameters("FILE")->asString());
return( false );
}
//-----------------------------------------------------
int nx, ny, nMonths;
double Cellsize, xMin, yMin, xMax, yMax;
if( !File.Scan(Cellsize)
|| !File.Scan(xMin ) || !File.Scan(yMin )
|| !File.Scan(xMax ) || !File.Scan(yMax )
|| !File.Scan(nx ) || !File.Scan(ny )
|| !File.Scan(nMonths ) )
{
Error_Fmt("%s [%s]", _TL("failed to read header"), Parameters("FILE")->asString());
return( false );
}
//-----------------------------------------------------
CSG_Grid_System System(Cellsize, xMin, yMin, nx, ny);
if( !System.is_Valid() || System.Get_XMax() != xMax || System.Get_YMax() != yMax )
{
Error_Fmt("%s [%s]", _TL("failed to read header"), Parameters("FILE")->asString());
return( false );
}
//-----------------------------------------------------
bool bShift = Parameters("SHIFT")->asBool();
if( bShift )
{
System.Assign(Cellsize, xMin - 180.0, yMin, nx, ny);
}
//-----------------------------------------------------
CSG_String Name = SG_File_Get_Name(Parameters("FILE")->asString(), false);
Parameters("GRIDS")->asGridList()->Del_Items();
for(int iMonth=0; iMonth<nMonths && !File.is_EOF() && Process_Get_Okay(); iMonth++)
{
Process_Set_Text("%s %d", _TL("Band"), 1 + iMonth);
CSG_Grid *pGrid = SG_Create_Grid(System, SG_DATATYPE_Short);
pGrid->Fmt_Name("%s_%02d", Name.c_str(), 1 + iMonth);
pGrid->Set_NoData_Value(-9999);
pGrid->Get_Projection().Set_GCS_WGS84();
Parameters("GRIDS")->asGridList()->Add_Item(pGrid);
//-------------------------------------------------
for(int y=0; y<ny && !File.is_EOF() && Set_Progress(y, ny); y++)
{
if( File.Read_Line(sLine) && sLine.Length() >= 5. * nx )
{
for(int x=0, xx=bShift?nx/2:x, yy=ny-1-y; x<nx; x++, xx++)
{
double z;
CSG_String s = sLine.Mid(x * 5, 5);
if( s.asDouble(z) )
{
pGrid->Set_Value(xx % nx, yy, z);
}
else
{
pGrid->Set_NoData(xx % nx, yy);
}
}
}
}
}
//-----------------------------------------------------
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 CCRS_Transform_Grid::Set_Target_System(CSG_Parameters *pParameters, int Resolution, bool bEdges)
{
if( !pParameters || !pParameters->Get_Parameter("SOURCE") || !pParameters->Get_Parameter("CRS_PROJ4") )
{
return( false );
}
CSG_Grid *pGrid = m_bList
? pParameters->Get_Parameter("SOURCE")->asGridList()->asGrid(0)
: pParameters->Get_Parameter("SOURCE")->asGrid();
if( !pGrid || !pGrid->is_Valid() || !pGrid->Get_Projection().is_Okay()
|| !m_Projector.Set_Target(CSG_Projection(pParameters->Get_Parameter("CRS_PROJ4")->asString(), SG_PROJ_FMT_Proj4))
|| !m_Projector.Get_Target().is_Okay()
|| !m_Projector.Set_Source(pGrid->Get_Projection()) )
{
return( false );
}
//-----------------------------------------------------
int x, y;
TSG_Rect Extent;
Extent.xMin = Extent.yMin = 1.0;
Extent.xMax = Extent.yMax = 0.0;
Get_MinMax(Extent, pGrid->Get_XMin(), pGrid->Get_YMin());
Get_MinMax(Extent, pGrid->Get_XMax(), pGrid->Get_YMin());
Get_MinMax(Extent, pGrid->Get_XMin(), pGrid->Get_YMax());
Get_MinMax(Extent, pGrid->Get_XMax(), pGrid->Get_YMax());
//-----------------------------------------------------
if( bEdges ) // edges
{
double d;
int yStep = 1 + pGrid->Get_NY() / Resolution;
for(y=0, d=pGrid->Get_YMin(); y<pGrid->Get_NY(); y+=yStep, d+=yStep*pGrid->Get_Cellsize())
{
Get_MinMax(Extent, pGrid->Get_XMin(), d);
Get_MinMax(Extent, pGrid->Get_XMax(), d);
}
int xStep = 1 + pGrid->Get_NX() / Resolution;
for(x=0, d=pGrid->Get_XMin(); x<pGrid->Get_NX(); x+=xStep, d+=xStep*pGrid->Get_Cellsize())
{
Get_MinMax(Extent, d, pGrid->Get_YMin());
Get_MinMax(Extent, d, pGrid->Get_YMax());
}
}
//-----------------------------------------------------
else // all cells
{
TSG_Point p;
int xStep = 1 + pGrid->Get_NX() / Resolution;
int yStep = 1 + pGrid->Get_NY() / Resolution;
for(y=0, p.y=pGrid->Get_YMin(); y<pGrid->Get_NY(); y+=yStep, p.y+=yStep*pGrid->Get_Cellsize())
{
for(x=0, p.x=pGrid->Get_XMin(); x<pGrid->Get_NX(); x+=xStep, p.x+=xStep*pGrid->Get_Cellsize())
{
Get_MinMax(Extent, p.x, p.y);
}
}
}
return( Extent.xMin < Extent.xMax && Extent.yMin < Extent.yMax
&& m_Grid_Target.Set_User_Defined(pParameters, Extent, pGrid->Get_NY())
&& m_Grid_Target.Get_System().is_Valid()
);
}
//---------------------------------------------------------
bool CCRS_Transform_Grid::Transform(CSG_Parameter_Grid_List *pSources, CSG_Parameter_Grid_List *pTargets, const CSG_Grid_System &Target_System)
{
if( !m_Projector.Set_Inverse(true) || !pTargets || !pSources || pSources->Get_Count() < 1 )
{
return( false );
}
//-----------------------------------------------------
CSG_Grid *pX, *pY;
if( (pX = m_Grid_Target.Get_Grid("OUT_X")) != NULL )
{
pX->Assign_NoData();
pX->Set_Name(_TL("X Coordinates"));
pX->Get_Projection().Create(m_Projector.Get_Target());
}
if( (pY = m_Grid_Target.Get_Grid("OUT_Y")) != NULL )
{
pY->Assign_NoData();
pY->Set_Name(_TL("Y Coordinates"));
pY->Get_Projection().Create(m_Projector.Get_Target());
}
//-----------------------------------------------------
bool bGeogCS_Adjust = m_Projector.Get_Source().Get_Type() == SG_PROJ_TYPE_CS_Geographic && pSources->asGrid(0)->Get_System().Get_XMax() > 180.0;
Set_Target_Area(pSources->asGrid(0)->Get_System(), Target_System);
bool bKeepType = m_Resampling == GRID_RESAMPLING_NearestNeighbour || Parameters("KEEP_TYPE")->asBool();
//-----------------------------------------------------
int i, n = pTargets->Get_Count();
for(i=0; i<pSources->Get_Count(); i++)
{
CSG_Grid *pSource = pSources->asGrid(i);
CSG_Grid *pTarget = SG_Create_Grid(Target_System, bKeepType ? pSource->Get_Type() : SG_DATATYPE_Float);
if( pTarget )
{
pTargets->Add_Item(pTarget);
pTarget->Set_NoData_Value_Range (pSource->Get_NoData_Value(), pSource->Get_NoData_hiValue());
pTarget->Set_Scaling (pSource->Get_Scaling(), pSource->Get_Offset());
pTarget->Set_Name (pSource->Get_Name());
pTarget->Set_Unit (pSource->Get_Unit());
pTarget->Get_Projection().Create(m_Projector.Get_Target());
pTarget->Assign_NoData();
CSG_Parameters Parms; if( DataObject_Get_Parameters(pSource, Parms) ) { DataObject_Add(pTarget); DataObject_Set_Parameters(pTarget, Parms); }
}
}
//-------------------------------------------------
for(int y=0; y<Target_System.Get_NY() && Set_Progress(y, Target_System.Get_NY()); y++)
{
double yTarget = Target_System.Get_YMin() + y * Target_System.Get_Cellsize();
// #pragma omp parallel for private(i)
for(int x=0; x<Target_System.Get_NX(); x++)
{
double z, ySource, xSource = Target_System.Get_XMin() + x * Target_System.Get_Cellsize();
if( is_In_Target_Area(x, y) && m_Projector.Get_Projection(xSource, ySource = yTarget) )
{
if( bGeogCS_Adjust )
{
if( xSource < 0.0 )
{
xSource += 360.0;
}
else if( xSource >= 360.0 )
{
xSource -= 360.0;
}
}
if( pX ) pX->Set_Value(x, y, xSource);
if( pY ) pY->Set_Value(x, y, ySource);
for(i=0; i<pSources->Get_Count(); i++)
{
if( pSources->asGrid(i)->Get_Value(xSource, ySource, z, m_Resampling, false, true) )
{
pTargets->asGrid(n + i)->Set_Value(x, y, z);
}
}
}
}
}
//-----------------------------------------------------
m_Target_Area.Destroy();
return( true );
}
