A wiggle surface with its Gaussian curvature as a scala field, stexture
mapped ontop, using irender.

[OBJECT MATRICES
    [OBJECT VIEW_MAT
	[MATRIX
	   -0.798242     0.284714    -0.530799     0.000000 
	    0.361486    -0.478452    -0.800257     0.000000 
	   -0.481807    -0.830675     0.279000     0.000000 
	    0.073173     0.000000     0.000000     1.000000 
	]
    ]
]

[OBJECT [color 14] WIGGLE
    [SURFACE BSPLINE 3 5 3 3 E3
	[KV        0        0        0        1        1
	            1]
	[KV        0        0        0        1        2
	            3        3        3]
	[0.013501  0.46333 -1.01136]
	[0.410664 -0.462427 -0.939545]
	[0.699477 0.071974 -0.381915]

	[-0.201925  1.15706 -0.345263]
	[0.210717 0.022708 -0.34285]
	[ 0.49953 0.557109  0.21478]

	[-0.293521 0.182036 -0.234382]
	[0.103642 -0.743721 -0.162567]
	[0.392455 -0.20932 0.395063]

	[-0.508947 0.875765 0.431715]
	[-0.096305 -0.258586 0.434128]
	[0.192508 0.275815 0.991758]

	[-0.600543 -0.099258 0.542596]
	[-0.20338 -1.02502 0.614411]
	[0.085433 -0.490614  1.17204]
    ]
]