v.drape Converts vector map to 3D by sampling of elevation raster map. Vector (v.*) QgsProcessingParameterVectorLayer|input|Iput vector layer|-1|None|False QgsProcessingParameterRasterLayer|elevation|Elevation raster map for height extraction|None|False QgsProcessingParameterEnum|method|Sampling method|nearest;bilinear;bicubic QgsProcessingParameterString|scale|Scale factor for sampled raster values|1.0 QgsProcessingParameterString|where|WHERE conditions of SQL statement without 'where' keyword| QgsProcessingParameterString|null_value|Vector Z value for unknown height| QgsProcessingParameterVectorDestination|output|3D vector