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**1685**- (**download**) (**annotate**)*Sun Jan 22 15:23:36 2012 UTC*(8 years, 1 month ago) by*jhr*File size: 781 byte(s)

Create a branch to implement things that we need for the Vis 2012 paper

/* useful unicode characters for Diderot ⊛ convolution, as in field#2(3)[] F = bspln3 ⊛ load("img.nrrd"); LaTeX: \circledast is probably typical, but \varoast (with \usepackage{stmaryrd}) is slightly more legible × cross product, as in vec3 camU = normalize(camN × camUp); LaTeX: \times π Pi, as in real rad = degrees*π/360.0; LaTeX: \pi ∇ Del, as in vec3 grad = ∇F(pos); LaTeX: \nabla • dot product, as in real ld = norm • lightDir; LaTeX: \bullet, although \cdot more typical for dot products ⊗ tensor product, as in tensor[3,3] Proj = identity[3] - norm⊗norm LaTeX: \otimes ∞ Infinity, as in output real val = -∞; LaTeX: \infty */ strand blah (int i) { output real out = 0.0; update { stabilize; } } initially [ blah(i) | i in 0..0 ];

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