//---------------------------------------------------------
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 *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 CPoint_Zonal_Multi_Grid_Regression::On_Execute(void)
{
//-----------------------------------------------------
CSG_Shapes *pPoints = Parameters("POINTS" )->asShapes();
CSG_Shapes *pZones = Parameters("ZONES" )->asShapes();
CSG_Grid *pRegression = Parameters("REGRESSION")->asGrid ();
pRegression->Assign_NoData();
CSG_Grid Regression(*Get_System(), SG_DATATYPE_Float);
SG_UI_Progress_Lock(true); // suppress dialogs from popping up
for(int i=0; i<pZones->Get_Count() && Process_Get_Okay(); i++)
{
CSG_Shape_Polygon *pZone = (CSG_Shape_Polygon *)pZones->Get_Shape(i);
//-------------------------------------------------
// select all points located in current zone polygon
bool bResult;
CSG_Shapes Zone(SHAPE_TYPE_Polygon); Zone.Add_Shape(pZone);
SG_RUN_TOOL(bResult, "shapes_tools", 5, // select points by location
SG_TOOL_PARAMETER_SET("LOCATIONS", &Zone)
&& SG_TOOL_PARAMETER_SET("SHAPES" , pPoints)
);
if( !bResult )
{
SG_UI_Process_Set_Okay(); // don't stop overall work flow, if tool execution failed for current zone
}
else if( pPoints->Get_Selection_Count() > 0 )
{
//---------------------------------------------
// copy selected points to a new (temporary) points layer
CSG_Shapes Selection;
SG_RUN_TOOL(bResult, "shapes_tools", 6, // copy selected points to a new layer
SG_TOOL_PARAMETER_SET("INPUT" , pPoints)
&& SG_TOOL_PARAMETER_SET("OUTPUT", &Selection)
);
pPoints->asShapes()->Select(); // unselect everything from original points layer
//---------------------------------------------
// perform the regression analysis, regression grid for zone is temporary
SG_RUN_TOOL(bResult, "statistics_regression", 1, // multiple linear regression for points and predictor grids
SG_TOOL_PARAMETER_SET("PREDICTORS", Parameters("PREDICTORS"))
&& SG_TOOL_PARAMETER_SET("REGRESSION", &Regression )
&& SG_TOOL_PARAMETER_SET("POINTS" , &Selection )
&& SG_TOOL_PARAMETER_SET("ATTRIBUTE" , Parameters("ATTRIBUTE" ))
&& SG_TOOL_PARAMETER_SET("RESAMPLING", Parameters("RESAMPLING"))
&& SG_TOOL_PARAMETER_SET("COORD_X" , Parameters("COORD_X" ))
&& SG_TOOL_PARAMETER_SET("COORD_Y" , Parameters("COORD_Y" ))
&& SG_TOOL_PARAMETER_SET("INTERCEPT" , Parameters("INTERCEPT" ))
&& SG_TOOL_PARAMETER_SET("METHOD" , Parameters("METHOD" ))
&& SG_TOOL_PARAMETER_SET("P_VALUE" , Parameters("P_VALUE" ))
);
//---------------------------------------------
// use zone polygon as mask for copying zonal regression result to final regression grid
if( !bResult )
{
SG_UI_Process_Set_Okay(); // don't stop overall work flow, if tool execution failed for current zone
}
else
{
#pragma omp parallel for // speed up using multiple processors
for(int y=0; y<Get_NY(); y++)
{
for(int x=0; x<Get_NX(); x++)
{
if( !Regression.is_NoData(x, y) && pZone->Contains(Get_System()->Get_Grid_to_World(x, y)) )
{
pRegression->Set_Value(x, y, Regression.asDouble(x, y));
}
}
}
}
}
}
//-----------------------------------------------------
SG_UI_Progress_Lock(false);
//-----------------------------------------------------
Set_Residuals(pPoints, pRegression);
//-----------------------------------------------------
return( true );
}
//---------------------------------------------------------
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 );
}
//---------------------------------------------------------
bool CFlow_Parallel::Set_Flow(void)
{
//-----------------------------------------------------
if( !m_pDTM->Set_Index() )
{
return( false );
}
//-----------------------------------------------------
int Method = Parameters("METHOD")->asInt();
if( Method == 2 )
{
BRM_Init();
}
//-----------------------------------------------------
double dLinear = Parameters("LINEAR_DO")->asBool() ? Parameters("LINEAR_MIN")->asDouble() : -1.0;
CSG_Grid *pLinear_Val = Parameters("LINEAR_VAL")->asGrid();
CSG_Grid *pLinear_Dir = Parameters("LINEAR_DIR")->asGrid();
//-----------------------------------------------------
bool bNoNegatives = m_pWeights ? Parameters("NO_NEGATIVES")->asBool() : false;
CSG_Grid *pLoss = Parameters("WEIGHT_LOSS")->asGrid();
if( bNoNegatives && pLoss )
{
pLoss->Assign_NoData();
}
//-----------------------------------------------------
for(sLong n=0; n<Get_NCells() && Set_Progress_NCells(n); n++)
{
int x, y;
if( m_pDTM->Get_Sorted(n, x, y) )
{
if( bNoNegatives && m_pFlow->asDouble(x, y) < 0.0 )
{
if( pLoss )
{
pLoss->Set_Value(x, y, fabs(m_pFlow->asDouble(x, y)));
}
m_pFlow->Set_Value(x, y, 0.0);
}
if( pLinear_Dir && !pLinear_Dir->is_NoData(x, y) )
{
Set_D8(x, y, pLinear_Dir->asInt(x, y));
}
else if( dLinear > 0.0 && dLinear <= (pLinear_Val && !pLinear_Val->is_NoData(x, y) ? pLinear_Val->asDouble(x, y) : m_pFlow->asDouble(x, y)) )
{
Set_D8(x, y, pLinear_Dir && !pLinear_Dir->is_NoData(x, y) ? pLinear_Dir->asInt(x, y) : -1);
}
else switch( Method )
{
case 0: Set_D8 (x, y); break;
case 1: Set_Rho8 (x, y); break;
case 2: Set_BRM (x, y); break;
case 3: Set_DInf (x, y); break;
case 4: Set_MFD (x, y); break;
case 5: Set_MDInf (x, y); break;
case 6: Set_MMDGFD(x, y); break;
}
}
}
//-----------------------------------------------------
if( m_pRoute )
{
for(sLong n=0; n<Get_NCells() && Set_Progress_NCells(n); n++)
{
int x, y;
if( m_pDTM->Get_Sorted(n, x, y, false) )
{
Check_Route(x, y);
}
}
}
//-----------------------------------------------------
return( true );
}
