Rename smpl->smplpytorch.

smplpytorch/native/webuser/posemapper.py

@@ -0,0 +1,31 @@
+import chumpy as ch
+import numpy as np
+import cv2
+
+
+class Rodrigues(ch.Ch):
+    dterms = 'rt'
+
+    def compute_r(self):
+        return cv2.Rodrigues(self.rt.r)[0]
+
+    def compute_dr_wrt(self, wrt):
+        if wrt is self.rt:
+            return cv2.Rodrigues(self.rt.r)[1].T
+
+
+def lrotmin(p):
+    if isinstance(p, np.ndarray):
+        p = p.ravel()[3:]
+        return np.concatenate([(cv2.Rodrigues(np.array(pp))[0] - np.eye(3)).ravel() for pp in p.reshape((-1, 3))]).ravel()
+    if p.ndim != 2 or p.shape[1] != 3:
+        p = p.reshape((-1, 3))
+    p = p[1:]
+    return ch.concatenate([(Rodrigues(pp) - ch.eye(3)).ravel() for pp in p]).ravel()
+
+
+def posemap(s):
+    if s == 'lrotmin':
+        return lrotmin
+    else:
+        raise Exception('Unknown posemapping: %s' % (str(s),))