v.drape Converts 2D vector features to 3D by sampling of elevation raster map. Vector (v.*) QgsProcessingParameterVectorLayer|input|Iput vector layer|-1|None|False QgsProcessingParameterString|where|WHERE conditions of SQL statement without 'where' keyword|None|True|True QgsProcessingParameterEnum|type|Input feature type|point;line;boundary;centroid|True|0,1,3,4|True QgsProcessingParameterRasterLayer|elevation|Elevation raster map for height extraction|None|False QgsProcessingParameterEnum|method|Sampling method|nearest;bilinear;bicubic|False|0|True QgsProcessingParameterNumber|scale|Scale factor sampled raster values|QgsProcessingParameterNumber.Double|1.0|True|None|None QgsProcessingParameterNumber|null_value|Height for sampled raster NULL values|QgsProcessingParameterNumber.Double|None|True|None|None QgsProcessingParameterVectorDestination|output|3D vector