Line Smoothing shapes_lines ParameterVector|LINES_IN|Lines|1|False OutputVector|LINES_OUT|Smoothed Lines ParameterSelection|METHOD|Method|[0] basic SIA model;[1] improved SIA model;[2] Gaussian Filtering| 2 QgsProcessingParameterNumber|SENSITIVITY|Sensitivity|QgsProcessingParameterNumber.Integer|3|False| 1|None QgsProcessingParameterNumber|ITERATIONS|Iterations|QgsProcessingParameterNumber.Integer|10|False| 1|None QgsProcessingParameterNumber|PRESERVATION|Preservation|QgsProcessingParameterNumber.Double|10.000000|False| 1.000000|None QgsProcessingParameterNumber|SIGMA|Sigma|QgsProcessingParameterNumber.Double|2.000000|False| 0.500000|None