from pyparty import splot, showim
from pyparty.data import gwu

%pylab inline

IMAGE = gwu()

from skimage.color import rgb2gray

maps = sorted(m for m in plt.cm.datad if not m.endswith("_r"))
nmaps = len(maps)

if IMAGE.ndim == 3:
    IMAGE = rgb2gray(IMAGE)
AXES = splot(36, 2, figsize=(20,(3*nmaps) ) )

for i in range(0,nmaps,2):
    mp = maps[i]
    showim(IMAGE, AXES[i], mp, title = mp)
    showim(IMAGE, AXES[i+1], mp+'_r', title = '%s reversed' % mp)