adding an example that visualizes the shape space

Author: ahmedosman

demo/load_chumpy.py

@@ -20,4 +20,13 @@
 # Ahmed A. A. Osman
 
 from ch.star import STAR
+import time
+import numpy as np
+
 model = STAR(gender='female',num_betas=10)
+for j in range(0,10):
+    model.betas[:] = 0.0  #Each loop all PC components are set to 0.
+    for i in np.linspace(-3,3,10): #Varying the jth component +/- 3 standard deviations
+        model.betas[j] = i
+        print(model.r) #vertices=model.r and faces=model.f
+        time.sleep(0.1)