//---------------------------------------------------------
bool CGridding_Spline_Base::_Get_Grid(void)
{
CSG_Grid *pGrid = m_bGridPoints ? Parameters("GRIDPOINTS")->asGrid () : NULL;
CSG_Shapes *pShapes = !m_bGridPoints ? Parameters("SHAPES") ->asShapes() : NULL;
//-----------------------------------------------------
m_pGrid = NULL;
switch( Parameters("TARGET")->asInt() )
{
case 0: // user defined...
if( m_Grid_Target.Init_User(m_bGridPoints ? pGrid->Get_Extent() : pShapes->Get_Extent()) && Dlg_Parameters("USER") )
{
m_pGrid = m_Grid_Target.Get_User();
}
break;
case 1: // grid...
if( Dlg_Parameters("GRID") )
{
m_pGrid = m_Grid_Target.Get_Grid();
}
break;
}
//-------------------------------------------------
if( m_pGrid )
{
m_pGrid->Set_Name(CSG_String::Format(SG_T("%s (%s)"), m_bGridPoints ? pGrid->Get_Name() : pShapes->Get_Name(), Get_Name()));
m_pGrid->Assign_NoData();
}
//-----------------------------------------------------
return( m_pGrid != NULL );
}
//---------------------------------------------------------
bool CGrid_Mask::On_Execute(void)
{
CSG_Grid *pGrid = Parameters("GRID")->asGrid();
CSG_Grid *pMask = Parameters("MASK")->asGrid();
if( !pGrid->is_Intersecting(pMask->Get_Extent()) )
{
Message_Add(_TL("no intersection with mask grid."));
return( false );
}
//-----------------------------------------------------
CSG_Grid *pMasked = Parameters("MASKED")->asGrid();
if( pMasked && pMasked != pGrid )
{
pMasked->Create(*pGrid);
pMasked->Fmt_Name("%s [%s]", pGrid->Get_Name(), _TL("masked"));
pGrid = pMasked;
}
//-----------------------------------------------------
Process_Set_Text(_TL("masking..."));
for(int y=0; y<Get_NY() && Set_Progress(y); y++)
{
double py = Get_YMin() + y * Get_Cellsize();
#pragma omp parallel for
for(int x=0; x<Get_NX(); x++)
{
if( !pGrid->is_NoData(x, y) )
{
double px = Get_XMin() + x * Get_Cellsize();
if( !pMask->is_InGrid_byPos(px, py) )
{
pGrid->Set_NoData(x, y);
}
}
}
}
//-----------------------------------------------------
return( true );
}
//---------------------------------------------------------
bool CGrid_Values_AddTo_Shapes::On_Execute(void)
{
CSG_Parameter_Grid_List *pGrids;
CSG_Shapes *pShapes;
//-----------------------------------------------------
pShapes = Parameters("RESULT")->asShapes();
pGrids = Parameters("GRIDS" )->asGridList();
//-----------------------------------------------------
if( pGrids->Get_Count() <= 0 )
{
return( false );
}
//-----------------------------------------------------
if( pShapes == NULL )
{
pShapes = Parameters("SHAPES")->asShapes();
}
else if( pShapes != Parameters("SHAPES")->asShapes() )
{
pShapes->Create(*Parameters("SHAPES")->asShapes());
}
//-----------------------------------------------------
switch( Parameters("RESAMPLING")->asInt() )
{
default: m_Resampling = GRID_RESAMPLING_NearestNeighbour; break;
case 1: m_Resampling = GRID_RESAMPLING_Bilinear; break;
case 2: m_Resampling = GRID_RESAMPLING_BicubicSpline; break;
case 3: m_Resampling = GRID_RESAMPLING_BSpline; break;
}
//-----------------------------------------------------
for(int iGrid=0; iGrid<pGrids->Get_Count(); iGrid++)
{
CSG_Grid *pGrid = pGrids->asGrid(iGrid);
int Field = pShapes->Get_Field_Count();
pShapes->Add_Field(pGrid->Get_Name(), SG_DATATYPE_Double);
for(int iShape=0; iShape<pShapes->Get_Count() && Set_Progress(iShape, pShapes->Get_Count()); iShape++)
{
CSG_Simple_Statistics Statistics;
CSG_Shape *pShape = pShapes->Get_Shape(iShape);
if( pShape->Get_Extent().Intersects(pGrid->Get_Extent()) )
{
switch( pShapes->Get_Type() )
{
case SHAPE_TYPE_Point: default:
case SHAPE_TYPE_Points: Get_Data_Point (Statistics, pShape, pGrid); break;
case SHAPE_TYPE_Line: Get_Data_Line (Statistics, pShape, pGrid); break;
case SHAPE_TYPE_Polygon: Get_Data_Polygon(Statistics, pShape, pGrid); break;
}
}
if( Statistics.Get_Count() > 0 )
{
pShape->Set_Value(Field, Statistics.Get_Mean());
}
else
{
pShape->Set_NoData(Field);
}
}
}
//-----------------------------------------------------
if( pShapes == Parameters("SHAPES")->asShapes() )
{
DataObject_Update(pShapes);
}
return( true );
}
bool CCreateGridSystem::On_Execute(void)
{
CSG_Grid *pDummy;
CSG_Shapes *pShapes;
CSG_Rect extent;
CSG_Parameter_Shapes_List *pShapesList;
CSG_Parameter_Grid_List *pGridList;
CSG_Grid_System System;
double xMin, xMax, yMin, yMax, cellsize, offset_x, offset_y, xRange, yRange, n, initVal;
int NX, NY, m_extent, m_adjust, i;
bool useoff;
xMin = Parameters("XMIN")->asDouble();
yMin = Parameters("YMIN")->asDouble();
xMax = Parameters("XMAX")->asDouble();
yMax = Parameters("YMAX")->asDouble();
NX = Parameters("NX")->asInt();
NY = Parameters("NY")->asInt();
cellsize = Parameters("CELLSIZE")->asDouble();
offset_x = Parameters("XOFFSET")->asDouble();
offset_y = Parameters("YOFFSET")->asDouble();
useoff = Parameters("USEOFF")->asBool();
m_extent = Parameters("M_EXTENT")->asInt();
m_adjust = Parameters("ADJUST")->asInt();
initVal = Parameters("INIT")->asDouble();
pShapesList = Parameters("SHAPESLIST")->asShapesList();
pGridList = Parameters("GRIDLIST")->asGridList();
if( useoff )
{
xMin += offset_x;
yMin += offset_y;
xMax += offset_x;
yMax += offset_y;
}
switch( m_extent )
{
case 0: // xMin, yMin, NX, NY
System.Assign(cellsize, xMin, yMin, NX, NY);
break;
case 1: // xMin, yMin, xMax, yMax
if( xMin > xMax || yMin > yMax )
{
Message_Add(CSG_String::Format(_TL("\nError: Please verify your xMin, yMin, xMax, yMax settings!\n")));
return false;
}
xRange = xMax - xMin;
yRange = yMax - yMin;
if( m_adjust == 0 ) // extent to cellsize
{
if( modf((xRange/cellsize), &n) != 0.0 )
{
NX = (int) floor(xRange / cellsize + 0.5);
xMax = xMin + NX * cellsize;
}
if( modf((yRange/cellsize), &n) != 0.0 )
{
NY = (int) floor(yRange / cellsize + 0.5);
yMax = yMin + NY * cellsize;
}
}
else if( m_adjust == 1) // cellsize to W-E extent
{
if( modf((xRange/cellsize), &n) != 0.0 )
{
NX = (int) (xRange/cellsize);
cellsize = xRange/NX;
}
if( modf((yRange/cellsize), &n) != 0.0 )
{
NY = (int) floor(yRange / cellsize + 0.5);
yMax = yMin + NY * cellsize;
}
}
else // cellsize to S-N extent
{
if( modf((yRange/cellsize), &n) != 0.0 )
{
NY = (int) (yRange/cellsize);
cellsize = yRange/NY;
}
if( modf((xRange/cellsize), &n) != 0.0 )
{
NX = (int) floor(xRange / cellsize + 0.5);
xMax = xMin + NX * cellsize;
}
}
System.Assign(cellsize, xMin, yMin, xMax, yMax);
break;
case 2: // Shape(s)
if( pShapesList == NULL || pShapesList->Get_Count() == 0)
{
Message_Add(CSG_String::Format(_TL("\nError: the method Extent by Shape(s) requires shape(s) as input!\n")));
return false;
}
for (i=0; i<pShapesList->Get_Count(); i++)
{
pShapes = pShapesList->asShapes(i);
extent = pShapes->Get_Extent();
if (i==0)
{
xMin = extent.Get_XMin();
yMin = extent.Get_YMin();
xMax = extent.Get_XMax();
yMax = extent.Get_YMax();
}
else
{
xMin = (extent.Get_XMin() < xMin) ? extent.Get_XMin() : xMin;
yMin = (extent.Get_YMin() < yMin) ? extent.Get_YMin() : yMin;
xMax = (extent.Get_XMax() > xMax) ? extent.Get_XMax() : xMax;
yMax = (extent.Get_YMax() > yMax) ? extent.Get_YMax() : yMax;
}
}
if( useoff )
{
xMin += offset_x;
xMax += offset_x;
yMin += offset_y;
yMax += offset_y;
}
xRange = xMax - xMin;
yRange = yMax - yMin;
if( m_adjust == 0 ) // extent to cellsize
{
if( modf((xRange/cellsize), &n) != 0.0 )
{
NX = (int) floor(xRange / cellsize + 0.5);
xMax = xMin + NX * cellsize;
}
if( modf((yRange/cellsize), &n) != 0.0 )
{
NY = (int) floor(yRange / cellsize + 0.5);
yMax = yMin + NY * cellsize;
}
}
else if( m_adjust == 1) // cellsize to W-E extent
{
if( modf((xRange/cellsize), &n) != 0.0 )
{
NX = (int) (xRange/cellsize);
cellsize = xRange/NX;
}
if( modf((yRange/cellsize), &n) != 0.0 )
{
NY = (int) floor(yRange / cellsize + 0.5);
yMax = yMin + NY * cellsize;
}
}
else // cellsize to S-N extent
{
if( modf((yRange/cellsize), &n) != 0.0 )
{
NY = (int) (yRange/cellsize);
cellsize = yRange/NY;
}
if( modf((xRange/cellsize), &n) != 0.0 )
{
NX = (int) floor(xRange / cellsize + 0.5);
xMax = xMin + NX * cellsize;
}
}
System.Assign(cellsize, xMin, yMin, xMax, yMax);
break;
case 3: // Grid(s)
if( pGridList == NULL || pGridList->Get_Count() == 0)
{
Message_Add(CSG_String::Format(_TL("\nError: the method Extent by Grid(s) requires grid(s) as input!\n")));
return false;
}
for (i=0; i<pGridList->Get_Count(); i++)
{
pDummy = pGridList->asGrid(i);
extent = pDummy->Get_Extent();
if (i==0)
{
xMin = extent.Get_XMin();
yMin = extent.Get_YMin();
xMax = extent.Get_XMax();
yMax = extent.Get_YMax();
}
else
{
xMin = (extent.Get_XMin() < xMin) ? extent.Get_XMin() : xMin;
yMin = (extent.Get_YMin() < yMin) ? extent.Get_YMin() : yMin;
xMax = (extent.Get_XMax() > xMax) ? extent.Get_XMax() : xMax;
yMax = (extent.Get_YMax() > yMax) ? extent.Get_YMax() : yMax;
}
}
if( useoff )
{
xMin += offset_x;
xMax += offset_x;
yMin += offset_y;
yMax += offset_y;
}
xRange = xMax - xMin;
yRange = yMax - yMin;
if( m_adjust == 0 ) // extent to cellsize
{
if( modf((xRange/cellsize), &n) != 0.0 )
{
NX = (int) floor(xRange / cellsize + 0.5);
xMax = xMin + NX * cellsize;
}
if( modf((yRange/cellsize), &n) != 0.0 )
{
NY = (int) floor(yRange / cellsize + 0.5);
yMax = yMin + NY * cellsize;
}
}
else if( m_adjust == 1) // cellsize to W-E extent
{
if( modf((xRange/cellsize), &n) != 0.0 )
{
NX = (int) (xRange/cellsize);
cellsize = xRange/NX;
}
if( modf((yRange/cellsize), &n) != 0.0 )
{
NY = (int) floor(yRange / cellsize + 0.5);
yMax = yMin + NY * cellsize;
}
}
else // cellsize to S-N extent
{
if( modf((yRange/cellsize), &n) != 0.0 )
{
NY = (int) (yRange/cellsize);
cellsize = yRange/NY;
}
if( modf((xRange/cellsize), &n) != 0.0 )
{
NX = (int) floor(xRange / cellsize + 0.5);
xMax = xMin + NX * cellsize;
}
}
System.Assign(cellsize, xMin, yMin, xMax, yMax);
break;
}
pDummy = SG_Create_Grid(System, SG_DATATYPE_Double);
pDummy->Assign(initVal);
pDummy->Set_Name(_TL("Dummy Grid"));
Parameters("GRID")->Set_Value(pDummy);
return (true);
}
//---------------------------------------------------------
bool CGrid_Class_Statistics_For_Polygons::On_Execute(void)
{
//-----------------------------------------------------
CSG_Grid *pGrid = Parameters("GRID")->asGrid();
CSG_Shapes *pPolygons = Parameters("POLYGONS")->asShapes();
if( pPolygons->Get_Count() <= 0 || !pPolygons->Get_Extent().Intersects(pGrid->Get_Extent()) )
{
Error_Set(_TL("no spatial intersection between grid and polygon layer"));
return( false );
}
//-----------------------------------------------------
if( Parameters("RESULT")->asShapes() != NULL && Parameters("RESULT")->asShapes() != pPolygons )
{
Process_Set_Text(_TL("copying polygons"));
CSG_Shapes *pResult = Parameters("RESULT")->asShapes();
pResult->Create(SHAPE_TYPE_Polygon, CSG_String::Format("%s [%s]", pPolygons->Get_Name(), _TL("Grid Classes")));
for(int i=0; i<pPolygons->Get_Count() && Set_Progress(i, pPolygons->Get_Count()); i++)
{
pResult->Add_Shape(pPolygons->Get_Shape(i), SHAPE_COPY_GEOM);
}
pPolygons = pResult;
}
//-----------------------------------------------------
int fStart = pPolygons->Get_Field_Count();
if( !Get_Classes(pGrid, pPolygons) )
{
Error_Set(_TL("undefined grid classes"));
return( false );
}
//-----------------------------------------------------
bool bCenter = Parameters("METHOD")->asInt() == 0;
Process_Set_Text(_TL("calculating class areas"));
//-----------------------------------------------------
int x, y;
TSG_Point p;
for(y=0, p.y=Get_YMin(); y<Get_NY() && Set_Progress(y); y++, p.y+=Get_Cellsize())
{
for(x=0, p.x=Get_XMin(); x<Get_NX(); x++, p.x+=Get_Cellsize())
{
if( m_Classes.asInt(x, y) >= 0 )
{
int fClass = fStart + m_Classes.asInt(x, y);
#pragma omp parallel for
for(int i=0; i<pPolygons->Get_Count(); i++)
{
CSG_Shape_Polygon *pPolygon = (CSG_Shape_Polygon *)pPolygons->Get_Shape(i);
double Area = Get_Intersection(pPolygon, p, bCenter);
if( Area > 0.0 )
{
pPolygon->Add_Value(fClass, Area);
}
}
}
}
}
//-----------------------------------------------------
m_Classes.Destroy();
DataObject_Update(pPolygons);
return( true );
}