updates

Author: jblindsay

src/tools/hydro_analysis/fill_depressions.rs

@@ -236,13 +236,15 @@ impl WhiteboxTool for FillDepressions {
         //     small_num = 1.0 / elev_multiplier as f64;
         // }
 
-        let small_num = if !flat_increment.is_nan() {
+        let small_num = if fix_flats && !flat_increment.is_nan() {
             flat_increment
-        } else {
+        } else if fix_flats {
             let min_val = input.configs.minimum;
             let elev_digits = ((input.configs.maximum - min_val) as i64).to_string().len();
             let elev_multiplier = 10.0_f64.powi((6 - elev_digits) as i32);
             1.0_f64 / elev_multiplier as f64
+        } else {
+            0f64
         };
 
         let mut output = Raster::initialize_using_file(&output_file, &input);

whitebox_tools.py

@@ -375,6 +375,7 @@ def list_tools(self, keywords=[]):
 
 
 
+    
 
 
     ##############
@@ -3463,20 +3464,22 @@ def fill_burn(self, dem, streams, output, callback=None):
         args.append("--output='{}'".format(output))
         return self.run_tool('fill_burn', args, callback) # returns 1 if error
 
-    def fill_depressions(self, dem, output, fix_flats=True, callback=None):
+    def fill_depressions(self, dem, output, fix_flats=True, flat_increment=None, callback=None):
         """Fills all of the depressions in a DEM. Depression breaching should be preferred in most cases.
 
         Keyword arguments:
 
         dem -- Input raster DEM file. 
         output -- Output raster file. 
         fix_flats -- Optional flag indicating whether flat areas should have a small gradient applied. 
+        flat_increment -- Optional elevation increment applied to flat areas. 
         callback -- Custom function for handling tool text outputs.
         """
         args = []
         args.append("--dem='{}'".format(dem))
         args.append("--output='{}'".format(output))
         if fix_flats: args.append("--fix_flats")
+        if flat_increment is not None: args.append("--flat_increment='{}'".format(flat_increment))
         return self.run_tool('fill_depressions', args, callback) # returns 1 if error
 
     def fill_single_cell_pits(self, dem, output, callback=None):