def get_colorscale(n_colors, cmap_name='jet'):
# import colorsys
# HSV_tuples = [(x*1.0/n_colors, 0.75, 0.75) for x in range(n_colors)]
# RGB_tuples = map(lambda x: colorsys.hsv_to_rgb(*x), HSV_tuples)
import numpy as np
import matplotlib.cm as cm
cmap = cm.get_cmap(cmap_name, n_colors)
return cmap(np.arange(n_colors))
