Cubic Spline Approximation
grid_spline
ParameterVector|SHAPES|Points|0|False
ParameterTableField|FIELD|Attribute|SHAPES|-1|False
ParameterSelection|TARGET|Target Grid|[0] user defined
ParameterNumber|NPMIN|Minimal Number of Points|None|None|3
ParameterNumber|NPMAX|Maximal Number of Points|None|None|20
ParameterNumber|NPPC|Points per Square|None|None|5
ParameterNumber|K|Tolerance|None|None|140.0
Extent USER_XMIN USER_XMAX USER_YMIN USER_YMAX
ParameterNumber|USER_SIZE|Cellsize|None|None|100.0
OutputRaster|USER_GRID|Grid