From a0401a85230c39e2e106fe54fd54205d2fbb6395 Mon Sep 17 00:00:00 2001
From: Neil Gershenfeld <gersh@cba.mit.edu>
Date: Sun, 10 Jun 2018 19:01:32 -0400
Subject: [PATCH] try perturbing vertices to remove slice degeneracies
---
modules/mesh/slice raster | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/modules/mesh/slice raster b/modules/mesh/slice raster
index e95d1b3..0cb35dd 100644
--- a/modules/mesh/slice raster
+++ b/modules/mesh/slice raster
@@ -422,6 +422,7 @@ function worker() {
//
// function to rotate point
//
+ var delta = (xmax-xmin)/(10*w)
function rotate(x,y,z) {
var x1 = x
var y1 = Math.cos(rx)*y-Math.sin(rx)*z
@@ -432,6 +433,13 @@ function worker() {
var x3 = Math.cos(rz)*x2-Math.sin(rz)*y2
var y3 = Math.sin(rz)*x2+Math.cos(rz)*y2
var z3 = z2
+ //
+ // perturb by lattice resolution
+ // to remove slice degeneracies
+ //
+ x3 += delta
+ y3 += delta
+ z3 += delta
return([x3,y3,z3])
}
//
--
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