Moved code not being used in new code to it's own directory.

2026-07-03 16:41:33 +08:00 · 2013-07-09 21:38:17 -07:00
parent 8e3e0e0faa
commit e2fa98602c
14 changed files with 0 additions and 0 deletions
@@ -0,0 +1,34 @@
+from numpy import *
+from utils import diff, ave
+
+
+def getVolume(X,Y,Z):
+ 
+    # compute edge vectors   
+    t1x = ave(ave(diff(X, 1),2),3)
+    t1y = ave(ave(diff(Y, 1),2),3)
+    t1z = ave(ave(diff(Z, 1),2),3)
+
+    t2x = ave(ave(diff(X, 2),1),3)
+    t2y = ave(ave(diff(Y, 2),1),3)
+    t2z = ave(ave(diff(Z, 2),1),3)
+
+    t3x = ave(ave(diff(X, 3),1),2)
+    t3y = ave(ave(diff(Y, 3),1),2)
+    t3z = ave(ave(diff(Z, 3),1),2)
+    
+    #   v = [t1x  t1y  t1z][i     j    k]
+    #                      [t2x  t2y  t2z]
+    #                      [t3x  t3y  t3z]
+    
+    v = t1x*(t2y*t3z - t2z*t3y) - t1y*(t2x*t3z - t2z*t3x) + t1z*(t2x*t3y-t2y*t3x) 
+    
+    return v
+    
+    
+if __name__ == '__main__':
+
+    X, Y, Z = mgrid[0:4, 0:5, 0:6]
+    X = (1.0*X)/2
+    v = getVolume(X, Y, Z)
+    print v