Add vertical drawing

Chapter_5/Histogram.py

@@ -56,6 +56,31 @@ class Histogram:
         if scale != 1:
             print ("y-axis scale : 1 # = {}".format(1./scale))
 
+    def drawT(self):
+        """Affiche l'histogramme en console verticalement (plus facile) """
+        # Scale my data (bin content) to a fixed width #
+        y_max = self.get_maximum()
+        width = 60
+        scale = width/y_max
+        scaled_data = [b*scale for b in self._data]
+        # Draw y axis #
+        print ('-' * width + '> y')
+        # Draw bin by bin #
+        for ibin,bin_content in enumerate(scaled_data):
+            line = f'{ibin:3d}|'
+            for y in range(width):
+                if bin_content>= y:
+                    line += "#"
+                else:
+                    line += " "
+            # Show the unscaled bin content on the right #
+            line += f'\t{self._data[ibin]:6.0f}'
+            print (line)
+        # Draw end of x axis #
+        print ('   v')
+        print ('   x')
+        # Print scaling of histogram #
+        print (f'Scaling : `#` = {scale:.5f}')
 
 
 
@@ -67,10 +92,11 @@ if __name__=="__main__":
     h.fill(0.1)
     h.fill(2)
     h.fill(-1)
-    h.draw()
+    #h.draw()
+    h.drawT()
 
-    h2 = Histogram(100,-5,5)
+    h2 = Histogram(50,-5,5)
     from random import gauss
-    for i in range(int(100000)):
+    for i in range(int(1000000)):
         h2.fill(gauss(0,1))
-    h2.draw()
+    h2.drawT()