Specify default filtering energy in usage msg

README.md

@@ -150,7 +150,7 @@ Options:
   --op INT                    Boolean operation: 0: union, 1: intersection, 2: difference.
   -l,--lr FLOAT               ideal_edge_length = diag_of_bbox * L. (double, optional, default: 0.05)
   -e,--epsr FLOAT             epsilon = diag_of_bbox * EPS. (double, optional, default: 1e-3)
-  --stop-energy FLOAT         Stop optimization when max energy is lower than this.
+  --stop-energy FLOAT         Stop optimization when max energy is lower than this. (double, optional, default: 10.0)
   --log TEXT                  Log info to given file.
   --level INT                 Log level (0 = most verbose, 6 = off).
   -q,--is-quiet               Mute console output. (optional)

src/main.cpp

@@ -202,7 +202,9 @@ int main(int argc, char** argv)
 
     command_line.add_option("--max-its", params.max_its, "(for debugging usage only)");
     command_line.add_option(
-      "--stop-energy", params.stop_energy, "Stop optimization when max energy is lower than this.");
+      "--stop-energy",
+      params.stop_energy,
+      "Stop optimization when max energy is lower than this. (double, optional, default: 10.0)");
     command_line.add_option("--stage", params.stage, "(for debugging usage only)");
     command_line.add_option("--stop-p", params.stop_p, "(for debugging usage only)");