haptic-extractor.py: cleaner 2 subplots

diff --git a/haptic-extractor.py b/haptic-extractor.py
index a45ea36..bd1a57e 100644 (file)
--- a/haptic-extractor.py
+++ b/haptic-extractor.py
@@ -1,17 +1,19 @@
+# /usr/bin/python3
 #
-# haptic-extractor.py [option] input_image output
+# Usage:
+# haptic-extractor.py [option] input_image output_image
 #
 # Options
-#    -v      Generate a vertical profile through the image.
-#    -s      generate a 150x100 thummbnail image (default 300x200 pixels)
-#    -g      Draw the profile in green instead of red
-#    -b      Draw the profile in blue instead of red
+#    --transpose     Generate a vertical profile through the image
+#    --color=COLOR  Draw the graph in a different color
 #
 ####
+
 from PIL import Image
 import matplotlib.pyplot as plt
 import numpy as np
 import signal
+import wave
 import sys
 import os
 
@@ -22,7 +24,7 @@ def usage(message):
     """Output the script comments as docs"""
     print(f"{PROGNAME}: {' '.join(sys.argv[1:])}")
     with open(os.path.join(PROGDIR, PROGNAME), 'r') as script_file:
-        lines = script_file.readlines()[2:]
+        lines = script_file.readlines()[1:]
         for line in lines:
             if line.startswith('###'):
                 break
@@ -37,20 +39,17 @@ def error(message):
     sys.exit(1)
 
 COLOR = 'red'
-VERTICAL = SMALLER = False
+TRANSPOSE = False
+DEBUG = False
 
 args = iter(sys.argv[1:])
 for arg in args:
     if arg in ('--help', '-h'):
         usage()
-    elif arg == '-v':
-        VERTICAL = True
-    elif arg == '-s':
-        SMALLER = True
-    elif arg == '-g':
-        COLOR = 'green'
-    elif arg == '-b':
-        COLOR = 'blue'
+    elif arg in ('--transpose', '-t'):
+        TRANSPOSE = True
+    elif arg in ('--verbose'):
+        DEBUG = True
     elif arg in ('-', '--'):
         break
     elif arg.startswith('-'):
@@ -61,13 +60,9 @@ for arg in args:
 if len(sys.argv) == 1:
     usage("Missing input_image")
 
-# Check for too many arguments
 if len(sys.argv) > 3:
     usage("Too many arguments")
 
-# Temporary working images with auto-clean-up on exit
-input_image = f"/tmp/im_profile_{os.getpid()}.miff"
-
 def cleanup_handler(signum, frame):
     """Cleanup function to be executed on exit"""
     os.remove(input_image)
@@ -79,12 +74,16 @@ def cleanup_handler(signum, frame):
 
 try:
     input_image_path = sys.argv[1]
-    output_image_path = "./im_profile_strip.png"
+    if len(sys.argv) == 3:
+        output_image_path = sys.argv[2]
+    else:
+        base_name, ext = os.path.splitext(os.path.basename(input_image_path))
+        output_image_path = f"{base_name}_output{ext}"
 
     image = Image.open(input_image_path)
 
     # Apply the specified vertical transformation
-    if VERTICAL:
+    if TRANSPOSE:
         image = image.transpose(Image.Transpose.ROTATE_90)
 
     # Crop the image to a 1xwidth size at the center of the height
@@ -95,19 +94,16 @@ try:
     image = image.crop((0, top, width, bottom))
 
     # Save the result
-    image.save(output_image_path, format="PNG")
+    #image.save(output_image_path, format="PNG")
 
 except Exception as e:
     print(f"Error: {e}")
+    usage(e)
     sys.exit(1)
 
-image = Image.open("./im_profile_strip.png")
+#image = Image.open("./im_profile_strip.png")
 image = image.convert('L')
 
-# Resize the image to a 1xN size
-#gsize_w = 300  # Replace with your desired gsize_w
-#image = image.resize((300, 1), resample=Image.BICUBIC)
-
 # Convert the image to a NumPy array
 image_array = np.array(image)
 image_flat = image_array.flatten()
@@ -116,50 +112,31 @@ image_flat = image_array.flatten()
 bit_depth = image_array.dtype.itemsize * 8
 
 # Print the values in a format similar to the original script
-for value in image_array.flatten():
-    print(value, end=' ')
-
-print(f"\nBit Depth: {bit_depth} bits")
-
-# plt.plot(image_flat, linestyle='-', linewidth=2, color='blue')
+if DEBUG:
+    for value in image_array.flatten():
+        print(value, end=' ')
 
-gsize_w = 100
+    print(f"\nBit Depth: {bit_depth} bits")
 
-#fig, ax = plt.subplots(figsize=(4, 2.25))  # Adjust the figure size as needed
 fig, (ax1, ax2) = plt.subplots(2, 1, figsize=(3, 3), gridspec_kw={'height_ratios': [3, 1]})
-
-# Plot the grayscale line plot
-ax1.plot(image_flat, linestyle='-', linewidth=2, color='gray')
+ax1.plot(image_flat, linestyle='-', linewidth=1, color='gray')
 
 # Customize x and y ticks
 ax1.set_xticks([])
-ax1.set_ylim(0, 255)  # Set y-axis range from 0 to 255
-ax1.set_yticks([0, 128, 255])  # Adjust y-axis ticks as needed
+ax1.set_ylim(0, 255)
+ax1.set_yticks([75, 150, 225])
 ax1.set_xticklabels([])
 ax1.set_yticklabels([])
 
-# Plot the image on the second subplot (ax2)
+# resize picture a bit and attach at bottom
+width, height = image.size
+image = image.resize((width, 5), resample=Image.BICUBIC)
 ax2.imshow(image, cmap="gray")
 ax2.axis('off')  # Hide axis for the image subplot
 
 plt.subplots_adjust(hspace=0)
-fig.tight_layout(rect=[0, 0, 1, 0.95])
-
-# Add the original image at the bottom
-#axins = ax.inset_axes([0, -0.3, 1, 0.3])
-#axins.imshow(image, cmap='gray')
-
-# Remove x and y tick labels from the inset_axes
-#axins.set_xticks([])
-#axins.set_yticks([])
-
-#fig.subplots_adjust(bottom=0, top=1, hspace=0)
-
-#bottom_image_ax = fig.add_axes([0.05, 0.0, 1, 0.01])
-#bottom_image_ax.imshow(image, cmap='gray')
-#bottom_image_ax.axis('off')
-
-plt.savefig('output_plot.png', dpi=300, bbox_inches='tight')
+fig.tight_layout(pad=0)
+fig.tight_layout(rect=[0, 0, 1, 0.90])
 
-# Show the plot
-# plt.show()
+print(f"Written output file {output_image_path}")
+plt.savefig(output_image_path, dpi=100, bbox_inches='tight')