new: default arguments

Author: reinzor

image_recognition_openpose/README.md

@@ -31,8 +31,7 @@ Example for the following picture:
 ![Example](doc/example.jpg)
 
 ```bash
-export MODEL_FOLDER=~/openpose/models
-rosrun image_recognition_openpose detect_poses $MODEL_FOLDER image `rospack find image_recognition_openpose`/doc/example.jpg
+rosrun image_recognition_openpose detect_poses image `rospack find image_recognition_openpose`/doc/example.jpg
 ```
 
 Output:
@@ -87,8 +86,7 @@ optional arguments:
 Run the image_recognition_openpose node in one terminal, e.g.:
 
 ```bash
-export MODEL_FOLDER=~/openpose/models
-rosrun image_recognition_openpose openpose_node _model_folder:=$MODEL_FOLDER
+rosrun image_recognition_openpose openpose_node
 ```
 
 Next step is starting the image_recognition_Rqt test gui (https://github.com/tue-robotics/image_recognition_rqt)

image_recognition_openpose/scripts/detect_poses

@@ -2,15 +2,16 @@
 
 import argparse
 import logging
+import os
 import sys
 
 import cv2
-
 from image_recognition_openpose import OpenposeWrapper
 
 parser = argparse.ArgumentParser(description='Detect poses in an image',
                                  formatter_class=argparse.ArgumentDefaultsHelpFormatter)
-parser.add_argument('model_folder', help='Path where the models are stored')
+parser.add_argument('--model_folder', help='Path where the models are stored',
+                    default=os.path.expanduser('~/openpose/models'))
 parser.add_argument('--pose_model', help='What pose model to use', default="BODY_25")
 parser.add_argument('--net_input_size', help='Net input size', default="-1x368")
 parser.add_argument('--net_output_size', help='Net output size', default="-1x-1")

image_recognition_openpose/scripts/openpose_node

@@ -139,7 +139,7 @@ if __name__ == '__main__':
 
     try:
         node = OpenposeNode(
-            rospy.get_param("~model_folder"),
+            rospy.get_param("~model_folder", default=os.path.expanduser('~/openpose/models')),
             rospy.get_param("~pose_model", "BODY_25"),
             rospy.get_param("~net_input_size", "-1x368"),
             rospy.get_param("~net_output_size", "-1x-1"),