From 4cc36686449191bd64c45c4151c7201fa8b34cda Mon Sep 17 00:00:00 2001 From: Justin Lin Date: Thu, 7 Jan 2021 17:11:05 +0800 Subject: [PATCH] elaborate saddle points of 2020 --- src/_impl/_contours_impl.scad | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/src/_impl/_contours_impl.scad b/src/_impl/_contours_impl.scad index 00e33ad7..e0536ef0 100644 --- a/src/_impl/_contours_impl.scad +++ b/src/_impl/_contours_impl.scad @@ -572,38 +572,51 @@ function _case2020_isobands(cell_pts, lower, upper) = center_p_z < lower ? [ [ interpolated_pt(cell_pts[0], cell_pts[1], lower), + interpolated_pt(cell_pts[1], center_p, lower), interpolated_pt(cell_pts[1], cell_pts[2], lower), interpolated_pt(cell_pts[1], cell_pts[2], upper), + interpolated_pt(cell_pts[1], center_p, upper), interpolated_pt(cell_pts[0], cell_pts[1], upper) ], [ interpolated_pt(cell_pts[0], cell_pts[3], lower), interpolated_pt(cell_pts[0], cell_pts[3], upper), - interpolated_pt(cell_pts[2], cell_pts[3], upper), interpolated_pt(cell_pts[2], cell_pts[3], lower) + interpolated_pt(cell_pts[1], center_p, upper), + interpolated_pt(cell_pts[2], cell_pts[3], upper), + interpolated_pt(cell_pts[2], cell_pts[3], lower), + interpolated_pt(cell_pts[3], center_p, lower) ] ] : center_p_z >= lower && center_p_z < upper ? [ [ interpolated_pt(cell_pts[0], cell_pts[1], lower), + interpolated_pt(cell_pts[0], center_p, lower), interpolated_pt(cell_pts[0], cell_pts[3], lower), interpolated_pt(cell_pts[0], cell_pts[3], upper), + interpolated_pt(cell_pts[3], center_p, upper), interpolated_pt(cell_pts[2], cell_pts[3], upper), interpolated_pt(cell_pts[2], cell_pts[3], lower), + interpolated_pt(cell_pts[2], center_p, lower), interpolated_pt(cell_pts[1], cell_pts[2], lower), interpolated_pt(cell_pts[1], cell_pts[2], upper), + interpolated_pt(cell_pts[1], center_p, upper), interpolated_pt(cell_pts[0], cell_pts[1], upper) ] ] : [ [ interpolated_pt(cell_pts[0], cell_pts[1], lower), + interpolated_pt(cell_pts[0], center_p, lower), interpolated_pt(cell_pts[0], cell_pts[3], lower), interpolated_pt(cell_pts[0], cell_pts[3], upper), + interpolated_pt(cell_pts[0], center_p, upper), interpolated_pt(cell_pts[0], cell_pts[1], upper) ], [ interpolated_pt(cell_pts[1], cell_pts[2], upper), + interpolated_pt(cell_pts[2], center_p, upper), interpolated_pt(cell_pts[2], cell_pts[3], upper), interpolated_pt(cell_pts[2], cell_pts[3], lower), + interpolated_pt(cell_pts[2], center_p, lower), interpolated_pt(cell_pts[1], cell_pts[2], lower) ] ];