Added string field in StopReconstruction.srv response (ros-industrial#9)

* Added string message field to give more information about why the service failed if success is false

* Populated service response with message in industrial_reconstruction.py

* Added messages for service response success instances

Author: DavidSpielman

Diff for: industrial_reconstruction/industrial_reconstruction/industrial_reconstruction.py

@@ -234,6 +234,7 @@ def stopReconstructionCallback(self, req, res):
         self.get_logger().info("Generating mesh")
         if self.tsdf_volume is None:
             res.success = False
+            res.message = "Start reconstruction hasn't been called yet"
             return res
         if not self.live_integration:
             while len(self.tsdf_integration_data) > 0:
@@ -278,6 +279,7 @@ def stopReconstructionCallback(self, req, res):
 
         self.get_logger().info("DONE")
         res.success = True
+        res.message = "Mesh Saved to " + req.mesh_filepath
         return res
 
     def cameraCallback(self, depth_image_msg, rgb_image_msg):

Diff for: industrial_reconstruction_msgs/srv/StopReconstruction.srv

@@ -9,3 +9,4 @@ uint32 min_num_faces
 industrial_reconstruction_msgs/NormalFilterParams[] normal_filters
 ---
 bool success
+string message