Paw Animation

# -*- coding: utf-8 -*-
"""
Created on Tue Feb 15 14:34:46 2011

@author: Ivo
"""

'''
Created on 15 feb 2011

@author: Ivo
'''

import sys, time, os, gc
import matplotlib
matplotlib.use('WXAgg')
from matplotlib import rcParams
import numpy as np
import matplotlib.cm as cm
import matplotlib.pyplot as plt
from matplotlib.backends.backend_wxagg import FigureCanvasWxAgg
from matplotlib.figure import Figure
from wx import *
import h5py
sys.path.append("C:\\IvoPython\\PyDev\\")
import data


class DataCollect(object):
    """ This class receives a frame from the measurement and then passes it on
    """
    def __init__(self, array3d, init = 0):
        self.init = init
        self.array3d = array3d
        self.maxsize = np.shape(self.array3d)[2]
        self.curFrame = self.init

    def next(self):
        if self.curFrame < self.maxsize:
            slice = self.curFrame
        elif self.curFrame == self.maxsize:
            exit(0)
        self.data = self.array3d[:,:,slice]
        self.curFrame += 1
        return self.data

TIMER_ID = NewId()

class PlotFigure(Frame):
    """ This class draws a window and updates it with data from DataCollect
    """
    def __init__(self):
        Frame.__init__(self, None, -1, "Test embedded wxFigure")
        self.fig = Figure((3,3), 75) #Varying the size of Figure has a big influence on the speed
        self.canvas = FigureCanvasWxAgg(self, -1, self.fig)
        EVT_TIMER(self, TIMER_ID, self.onTimer)

    def init_plot_data(self):
        self.datagen = DataCollect(array3d)
        self.axes = self.fig.add_subplot(111)
        self.axes.imshow(self.datagen.next().T)

    def onTimer(self, evt):
        self.data = self.datagen.next()
        self.axes.imshow(self.datagen.next().T)
        self.canvas.draw()

if __name__ == '__main__':
    # Code required to load a measurement
    basedir = os.path.dirname('C:\\IvoPython\\paw-analysis\\')
    datafile = h5py.File(basedir+'\\data.hdf5', 'r')
    dog = 'Bell Oscar'
    for measurement in data.dogs['/' +  dog]:
        if  'sel_1' in measurement.name:
            array3d = measurement.data
    # Code for creating a Window
    app = PySimpleApp()
    frame = PlotFigure()
    frame.init_plot_data()
    t = Timer(frame, TIMER_ID)
    t.Start(1)
    frame.Show()
    app.MainLoop()