diff -r fcf1487b398b -r f6a72eb99631 demos/render_nff.py
--- a/demos/render_nff.py	Tue Apr 29 13:56:29 2008 +0200
+++ b/demos/render_nff.py	Tue Apr 29 23:31:08 2008 +0200
@@ -4,16 +4,25 @@
 # see http://tog.acm.org/resources/SPD/
 # cylinders are not implemented
 
-from raytracer import Raytracer, Camera, Light, Material, Sphere, NormalVertex, Triangle
+from pyrit import *
 from math import pi
-import sys, Image
+import sys
 
 rt = Raytracer()
+top = KdTree()
+rt.setTop(top)
+rt.setCamera(Camera())
+
 imagesize = (800, 600)
 
 mat = Material(colour=(1.0, 1.0, 1.0))
 
 f = sys.stdin
+fbase = "render_nff"
+if len(sys.argv) > 1:
+	f = open(sys.argv[1])
+	fbase = sys.argv[1].rsplit('.',1)[0]
+
 while True:
 	line = f.readline()
 	if line == "":
@@ -90,6 +99,9 @@
 		print "Not implemented:", line
 f.close()
 
-data = rt.render(imagesize)
-img = Image.fromstring("RGB", imagesize, data)
-img.save('render_nff.png')
+top.optimize()
+
+sampler = DefaultSampler(imagesize)
+rt.setSampler(sampler)
+rt.render()
+sampler.getPixmap().writePNG(fbase+'.png')