histograms

compress_start.py

@@ -68,9 +68,10 @@ if __name__ == '__main__':
                 tiff3.append(os.path.join(scene, s))
     
     cameras = [tiff0, tiff1, tiff2, tiff3]
-    diff = []
     i = 0
-    for cam in cameras:
+    fig, axs = plt.subplots(nrows=2, ncols=2, figsize=(15,12))
+    for cam, ax in zip(cameras, axs.ravel()):
+        diff = []
         for ii in range(len(cam)):
             image = Image.open(cam[ii])    #Open the image and read it as an Image object
             image = np.array(image)[1:,:]    #Convert to an array, leaving out the first row because the first row is just housekeeping data
@@ -86,8 +87,7 @@ if __name__ == '__main__':
                 else:
                     surrounding.append(image[ind1+i, ind1+j])               #Add the other 8 pixels to the list
             diff.append(np.max(surrounding)-np.min(surrounding))
-        plt.subplot(2,2,i+1)
-        plt.hist(diff)
+        ax.hist(diff)
         i += 1
     plt.tight_layout()
     plt.show()