{ "raster_function_arguments": { "z_factor":{"double":25.0,"type":"Raster_function_variable"}, "slope_type":{"raster_slope_type":"none","type":"Raster_function_variable"}, "azimuth":{"double":315,"type":"Raster_function_variable"}, "altitude":{"double":45,"type":"Raster_function_variable"}, "type":"Raster_function_arguments", "raster":{"name":"raster","is_raster":true,"type":"Raster_function_variable"}, "nbits":{"int":8,"type":"Raster_function_variable"} }, "raster_function":{"type":"Hillshade_function"}, "type":"Raster_function_template" }