v.surf.rst

v.surf.rst.line - Spatial approximation and topographic analysis using regularized spline with tension.

Vector (v.*)

ParameterVector|input|Input lines layer|1|False

ParameterString|where|WHERE conditions of SQL statement without 'where' keyword|

ParameterRaster|mask|Name of the raster map used as mask|True

ParameterTableField|zcolumn|Name of the attribute column with values to be used for approximation|input|-1|False

ParameterNumber|tension|Tension parameter|None|None|40

ParameterNumber|segmax|Maximum number of points in a segment|None|None|40

ParameterNumber|npmin|Minimum number of points for approximation in a segment (>segmax)|None|None|300

ParameterNumber|dmin|Minimum distance between points (to remove almost identical points)|None|None|0.001

ParameterNumber|dmax|Maximum distance between points on isoline (to insert additional points)|None|None|2.5

ParameterNumber|zscale|Conversion factor for values used for approximation|None|None|1.0

ParameterNumber|theta|Anisotropy angle (in degrees counterclockwise from East)|0|360|0

ParameterNumber|scalex|Anisotropy scaling factor|None|None|0

ParameterBoolean|-t|Use scale dependent tension|False

ParameterBoolean|-d|Output partial derivatives instead of topographic parameters|False

OutputRaster|elevation|Interpolated RST

OutputRaster|slope|Slope

OutputRaster|aspect|Aspect

OutputRaster|pcurvature|Profile curvature

OutputRaster|tcurvature|Tangential curvature

OutputRaster|mcurvature|Mean curvature