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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from objreader import LoadWavefrontObjFile

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rt = Raytracer()

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top = KdTree()

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rt.setTop(top)

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rt.setCamera(Camera())

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light1 = Light(position=(0.0, 2.0, 6.0), colour=(0.9, 0.3, 0.6))

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light1.castShadows(False);

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rt.addLight(light1)

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light2 = Light(position=(-2.0, -5.0, 7.0), colour=(0.7, 1.0, 0.3))

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light2.castShadows(False);

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rt.addLight(light2)

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mat = Material(colour=(0.9, 0.9, 0.9))

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LoadWavefrontObjFile(rt, "../models/obj/sphere.obj", mat, 1.5)

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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('triangles_sphere.png')