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!    -*- f90 -*-
! f2py wrapper for interpolating tensioned splines
! This file was auto-generated with f2py (version:2).
! See http://cens.ioc.ee/projects/f2py2e/
! Modified by Gary Ruben 2012-09-03
! This wraps the curv1() and curv2() functions in Alan K Cline's fitpack http://www.netlib.org/fitpack
! Also requires the fitpack functions ceez(), intrvl(), snhcsh(), and terms().
! fitpack.f contains both high and low precision versions of snhcsh(). I used the higher precision version.
! The low precision version in fitpack.f must be commented out prior to running f2py as follows to create the wrapper:
! f2py -c fitpack.pyf fitpack.f

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#!/usr/bin/env python
"""
Demonstrates use of the FunctionImageData that depends on an external range
and returns different data depending on that range.
"""

# Major library imports
from numpy import pi, linspace, meshgrid, sin

# Enthought library imports

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import os
#from traits.etsconfig.api import ETSConfig
#ETSConfig.toolkit = 'qt4'
import numpy as np
from enable.api import ComponentEditor
from traits.api import Str, Bool, Enum, List, Dict, Any, \
    HasTraits, Instance, Button, on_trait_change
from traitsui.api import View, Group, HGroup, VGroup, HSplit, \
    Item, UItem, TreeEditor, TreeNode, TreeNodeObject, Menu
from traitsui.key_bindings import KeyBinding, KeyBindings

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import numpy as np

def rebin(a, new_shape):
    """
    Resizes a 2d array by averaging or repeating elements, 
    new dimensions must be integral factors of original dimensions

    Parameters
    ----------
    a : array_like

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