"""This example demonstrates creating a filled contour plot using the chaco
shell subpackage.
"""
# Major library Imports
from numpy import linspace, meshgrid, tanh
# Enthought Library Imports
from chaco.shell import contourf, colormap, title, show
from chaco.default_colormaps import jet
# Crate some scalar data
xs = linspace(-10, 10, 200)
ys = linspace(-10, 10, 400)
x, y = meshgrid(xs, ys)
z = x * tanh(y)
# Create a filled contour plot
contourf(x, y, z)
colormap(jet)
# Add some titles
title("filled contour plot")
#This command is only necessary if running from command line
show()
# Mayor Library Imports
from numpy import linspace, meshgrid, tanh
# Enthought Library Imports
from chaco.shell import contourf, colormap, title, show
from chaco.default_colormaps import jet
# Crate some scalar data
xs = linspace(-10, 10, 200)
ys = linspace(-10, 10, 400)
x, y = meshgrid(xs, ys)
z = x * tanh(y)
# Create a filled contour plot
contourf(x, y, z)
colormap(jet)
# Add some titles
title("filled contour plot")
# This command is only necessary if running from command line
show()
with some basic interactivity without using the object-oriented core of Chaco.
"""
# Major library imports
from numpy import linspace, meshgrid, sin
# Enthought library imports
from chaco.shell import show, title, pcolor, colormap
from chaco.default_colormaps import viridis
# Crate some scalar data
xs = linspace(0, 10, 200)
ys = linspace(0, 20, 400)
x, y = meshgrid(xs, ys)
z = sin(x) * y
# Create a pseudo-color-map
pcolor(x, y, z)
#change the color mapping
colormap(viridis)
# Add some titles
title("pseudo colormap image plot")
# If running this from the command line and outside of a wxPython
# application or process, the show() command is necessary to keep
# the plot from disappearing instantly. If a wxPython mainloop
# is already running, then this command is not necessary.
show()