#first import!
import pyart
from matplotlib import pyplot as plt
%matplotlib inline

filename = 'data/CHL20100621_222020'
radar = pyart.io.read(filename)


print radar.fields.keys()

display = pyart.graph.RadarDisplay(radar)

fig = plt.figure(figsize = [20,10])
display.plot_rhi('reflectivity',vmax = 64)
plt.gca().set_ylim([0,15])
plt.gca().set_xlim([0,80])

fig = plt.figure(figsize = [20,10])
display.plot_rhi('differential_reflectivity', vmin = -2, vmax =6)
plt.gca().set_ylim([0,15])
plt.gca().set_xlim([0,80])

fig = plt.figure(figsize = [20,10])
display.plot_rhi('velocity')
plt.gca().set_ylim([0,15])
plt.gca().set_xlim([0,80])

from IPython.html.widgets import interact, interactive, fixed
from IPython.html import widgets

def plot_chill_field(display, field='reflectivity', tilt=0):
    fig = plt.figure(figsize = [20,10])
    display.plot_rhi(field, tilt)
    plt.gca().set_ylim([0,15])
    plt.gca().set_xlim([0,80])

interact(plot_chill_field,display=fixed(display), field=radar.fields.keys(), tilt=widgets.IntSliderWidget(min=0,max=radar.nsweeps-1,step=1,value=0) );