def rotate(self, theta):
""" Theta in degrees. Problem is that rotating grid result in negative
indicies in rr, cc. Therefore, don't want to do image[rr,cc]. Returns
(2,N) indicies."""
newgrid = rotate(column_array(self.grid), theta, center=self.midpoint)
logger.warn("Rotations will lead to astry indicies")
return unzip_array(astype_rint(newgrid))
def rotate(self, theta):
""" Theta in degrees. Problem is that rotating grid result in negative
indicies in rr, cc. Therefore, don't want to do image[rr,cc]. Returns
(2,N) indicies."""
newgrid = rotate(column_array(self.grid), theta, center=self.midpoint)
logger.warn("Rotations will lead to astry indicies")
return unzip_array(astype_rint(newgrid))
def _get_rr_cc(self):
""" Rotate unrotated_rr_cc through theta """
theta = self.phi
center = self.center[::-1] #Necessary
if theta % 360.0 == 0.0:
return self.unrotated_rr_cc
# Rotate transposed rr_cc
transposed = np.array(self.unrotated_rr_cc).T
return rotate(transposed, center=center, theta=self.phi, rint='up').T
def _get_rr_cc(self):
""" Rotate unrotated_rr_cc through theta """
theta = self.phi
center = self.center[::-1] #Necessary
if theta % 360.0 == 0.0:
return self.unrotated_rr_cc
# Rotate transposed rr_cc
transposed = np.array(self.unrotated_rr_cc).T
return rotate(transposed, center=center, theta=self.phi, rint='up').T
def as_patch(self, *args, **kwargs):
""" Explictly rotate vertex coords for patch. """
rotated_coords = rotate(self.xymatrix, theta=self.phi, center=self.center)
return mpatch.Polygon(rotated_coords, closed=True, **kwargs)