trend_surface
Trend surface
Math
https://www.whiteboxgeo.com/manual/wbw-user-manual/book/tool_help.html#trend_surface
QgsProcessingParameterRasterLayer|inputRaster1|Raster (Raster)|None|False
QgsProcessingParameterFileDestination|output_html_file2|Output html file (str)|HTML files (*.html)|None|False
QgsProcessingParameterNumber|polynomial_order3|Polynomial order (int)|QgsProcessingParameterNumber.Integer|1|False|None|None
QgsProcessingParameterRasterDestination|fnOutput|Output (Raster)|None|False
