Updated the imagery class to also process green color

.gitignore

@@ -7,3 +7,4 @@ share/
 .vscode/
 in/
 data/
+__pycache__/

imgGrey.py → imgProcess.py

@@ -4,18 +4,20 @@ from PIL import Image
 
 import sys, os, json, argparse
 
-class imgGrey():
+class imagery():
     """
-    Uses Grey scaling to tell what is black and white or grey in an image
+    Uses Grey scaling to tell what is black and white or grey in an image,
+    (Now uses the color green!)
     """
 
-    def __init__(self, on='X', off=' ', intensity=64):
+    def __init__(self, on='X', off=' ', intensity=64, green=10):
         """
-        Here is where you set stuff like ON, OFF and INTENSITY
+        Here is where you set stuff like ON, OFF, INTENSITY, and GREEN_DIFF
         """
         self.ON = on
         self.OFF = off
         self.INTENSITY = intensity
+        self.GREEN_DIFF = green
 
     def img_point(self, pix, x, y):
         """
@@ -55,6 +57,18 @@ class imgGrey():
         avg = self.img_avg(pix, x,y)
         return (avg < self.INTENSITY)
 
+    def is_green(self, pix, x, y):
+        """
+        Is this pixel Green?
+        """
+        (red, green, blue, _) = self.img_point(pix, x, y)
+        # Find the difference between green and the other values.
+        other = red
+        if blue > other:
+            other = blue
+        diff = green - other
+        return diff > self.GREEN_DIFF
+
     def scan_img(self, pix, size):
         """
         scan_img, looks at a image and looks for dark pixels,
@@ -71,7 +85,7 @@ class imgGrey():
 
         for y in range( 0,size[1] ):
             for x in range( 0,size[0] ):
-                pnt_is = self.is_set(pix, x,y)
+                pnt_is = self.is_green(pix, x, y)
                 if (pnt_is):
                     total += 1
                     if x < sx:
@@ -113,7 +127,7 @@ class imgGrey():
         for y in range(sy,ey):
             s = ''
             for x in range(sx,ex):
-                if self.is_set(pix, x,y):
+                if not self.is_green(pix, x, y):
                     s += self.ON
                 else:
                     s += self.OFF