v.surf.bspline
Bicubic or bilinear spline interpolation with Tykhonov regularization.
Vector (v.*)
QgsProcessingParameterVectorLayer|input|Input points layer|-1|None|False
QgsProcessingParameterNumber|ew_step|Length of each spline step in the east-west direction|QgsProcessingParameterNumber.Double|4|False|None|None
QgsProcessingParameterNumber|ns_step|Length of each spline step in the north-south direction|QgsProcessingParameterNumber.Double|4|False|None|None
QgsProcessingParameterEnum|method|Spline interpolation algorithm|bilinear;bicubic
QgsProcessingParameterNumber|lambda_i|Tykhonov regularization parameter (affects smoothing)|QgsProcessingParameterNumber.Double|0.01|False|None|None
QgsProcessingParameterField|column|Attribute table column with values to interpolate|None|input|-1|False|False
QgsProcessingParameterEnum|layer|layer|1;0
QgsProcessingParameterRasterDestination|raster_output|Interpolated spline