/[gzz]/gzz/test/gzz/gfx/gl/glvobcoorder.test
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revision 1.1 by tjl, Mon Sep 30 22:20:28 2002 UTC revision 1.2 by tjl, Tue Oct 1 06:42:55 2002 UTC
# Line 17  def testTransform(): Line 17  def testTransform():
17      failUnlessEqual([x for x in dst], [10, 15, 5])      failUnlessEqual([x for x in dst], [10, 15, 5])
18            
19    
20    def checkInverse(c, cs):
21        # unit cube
22        src = array([
23            0, 0, 0,
24            0, 0, 1,
25            0, 1, 0,
26            0, 1, 1,
27            1, 0, 0,
28            1, 0, 1,
29            1, 1, 0,
30            1, 1, 1,
31    
32            0, 0, 0,
33            0, 0, -100,
34            0, -100, 0,
35            0, -100, -100,
36            -100, 0, 0,
37            -100, 0, -100,
38            -100, -100, 0,
39            -100, -100, -100,
40            ], 'f')
41    
42        dst = zeros(len(src), 'f')
43        src2 = zeros(len(src), 'f')
44    
45        c.transformPoints3(cs, src, dst)
46        c.inverseTransformPoints3(cs, dst, src2)
47    
48        for i in range(0,len(src)):
49            failIf( abs(src[i] - src2[i])/(abs(src[i])+1) > 0.01, msg=str((src, dst, src2, i, src[i], src2[i])) )
50    
51    def testInverses():
52        c = GLVobCoorder()
53    
54        cs_ortho = c.coordsys(0, 2, 3.5, 9.1, 1.2, 3.9)
55        cs_ortho2 = c.coordsys(cs_ortho, -1.92, 4.1, 2.951, 2.52, 291)
56    
57        checkInverse(c, cs_ortho)
58        checkInverse(c, cs_ortho2)
59    

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