rename Python module from 'raytracer' to 'pyrit' improve Python binding: - new objects: Container, Octree, KdTree, Shape, Pixmap, Sampler, DefaultSampler - all shapes are now subclasses of Shape - clean, remove redundant Getattr's - Raytracer render method now just wraps C++ method without doing any additional work adjust all demos for changes in Python binding, remove PIL dependency add demo_PIL.py as a example of pyrit + PIL usage render_nff.py now either loads file given as a argument or reads input from stdin otherwise fix bug in pixmap float to char conversion

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#!/usr/bin/python

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from pyrit import *

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rt = Raytracer()

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top = Octree()

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rt.setTop(top)

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rt.setCamera(Camera())

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light1 = Light(position=(0.0, 5.0, -5.0), colour=(0.7, 0.3, 0.6))

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rt.addLight(light1)

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light2 = Light(position=(-2.0, 10.0, -2.0), colour=(0.4, 0.6, 0.3))

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rt.addLight(light2)

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mat0 = Material(colour=(0.7, 0.7, 0.7))

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mat0.setReflectivity(0.0)

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for x in range(8):

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	for y in range(8):

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		for z in range(8):

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			box = Box(L=(-4.3+x, -4.6+y, -8.6+z), H=(-3.7+x, -4.0+y, -8.0+z), material=mat0)

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			rt.addShape(box)

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top.optimize()

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sampler = DefaultSampler(800, 600)

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rt.setSampler(sampler)

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rt.render()

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sampler.getPixmap().writePNG('boxes.png')