def pbinary(self):
""" Returns boolean mask of all particles IN the image, with
background removed."""
# Faster to get all coords in image at once since going to paint white
out = np.zeros( self.rez, dtype=bool )
if self.particles:
rr_cc = coords_in_image( self._particles.rr_cc_all, self.rez)
out[rr_cc] = True
return out
def _draw_particles(self, image, force_binary=False):
""" Draws particles over any image (ie background, background+grid.
force_binary is a hack to allow for drawing binary particles, useful
for canvas.show(cmap=pbinary)"""
for p in self._particles:
rr_cc = p.particle.rr_cc
# Lot of crap! Need it this way or grid color will be inverted too
if force_binary:
if force_binary == 'pbinary_r':
color = False
else:
color = True
else:
color = p.color
rr_cc = coords_in_image(rr_cc, image.shape)
image[rr_cc] = color
return image