New take on v.surf.bspline in processing toolbox, Fixes #5943

Author: Giovanni Manghi

python/plugins/processing/grass/description/v.surf.bspline.lambda.txt

@@ -0,0 +1,12 @@
+v.surf.bspline
+v.surf.bspline.lambda - Bicubic or bilinear spline interpolation with Tykhonov regularization.
+Vector (v.*)
+ParameterVector|input|Input points layer|-1|False
+ParameterNumber|sie|Length of each spline step in the east-west direction|None|None|4
+ParameterNumber|sin|Length of each spline step in the north-south direction|None|None|4
+ParameterSelection|method|Spline interpolation algorithm|bilinear;bicubic
+ParameterTableField|column|Attribute table column with values to interpolate|input|-1|False
+ParameterBoolean|-c|Find the best Tykhonov regularizing parameter using a "leave-one-out" cross validation method|True
+ParameterBoolean|-e|Estimate point density and distance|False
+ParameterSelection|layer|layer|1;0
+OutputHTML|html|Lambda or Point Density and Distance

python/plugins/processing/grass/description/v.surf.bspline.sparse.txt

@@ -0,0 +1,12 @@
+v.surf.bspline
+v.surf.bspline.sparse - Bicubic or bilinear spline interpolation with Tykhonov regularization.
+Vector (v.*)
+ParameterVector|input|Input points layer|-1|False
+ParameterVector|sparse|Input layer of sparse points|-1|False
+ParameterNumber|sie|Length of each spline step in the east-west direction|None|None|4
+ParameterNumber|sin|Length of each spline step in the north-south direction|None|None|4
+ParameterSelection|method|Spline interpolation algorithm|bilinear;bicubic
+ParameterNumber|lambda_i|Tykhonov regularization parameter (affects smoothing)|None|None|0.01
+ParameterTableField|column|Attribute table column with values to interpolate|input|-1|False
+ParameterSelection|layer|layer|1;0
+OutputRaster|raster|Output raster layer

python/plugins/processing/grass/description/v.surf.bspline.txt

@@ -2,13 +2,10 @@ v.surf.bspline
 v.surf.bspline - Bicubic or bilinear spline interpolation with Tykhonov regularization.
 Vector (v.*)
 ParameterVector|input|Input points layer|-1|False
-ParameterVector|sparse|Input layer of sparse points|-1|False
 ParameterNumber|sie|Length of each spline step in the east-west direction|None|None|4
 ParameterNumber|sin|Length of each spline step in the north-south direction|None|None|4
 ParameterSelection|method|Spline interpolation algorithm|bilinear;bicubic
-ParameterNumber|lambda_i|Tykhonov regularization parameter (affects smoothing)|None|None|1
+ParameterNumber|lambda_i|Tykhonov regularization parameter (affects smoothing)|None|None|0.01
 ParameterTableField|column|Attribute table column with values to interpolate|input|-1|False
-ParameterBoolean|-c|Find the best Tykhonov regularizing parameter using a "leave-one-out" cross validation method|False
-ParameterBoolean|-e|Estimate point density and distance|False
-OutputVector|output|Output vector layer
-OutputRaster|raster|Output raster layer
+ParameterSelection|layer|layer|1;0
+OutputRaster|raster|Output raster layer