From e28f0292602e04267e76ad9d00acb093506da90d Mon Sep 17 00:00:00 2001 From: Justin Lin Date: Fri, 8 Jan 2021 12:01:26 +0800 Subject: [PATCH] elaborate 0212 --- src/_impl/_contours_impl.scad | 28 +++++++++++++++++++++++++--- 1 file changed, 25 insertions(+), 3 deletions(-) diff --git a/src/_impl/_contours_impl.scad b/src/_impl/_contours_impl.scad index 4c153f8f..b4b2fda0 100644 --- a/src/_impl/_contours_impl.scad +++ b/src/_impl/_contours_impl.scad @@ -1200,27 +1200,49 @@ function _case0212_isobands(cell_pts, lower, upper) = center_p = (cell_pts[0] + cell_pts[1] + cell_pts[2] + cell_pts[3]) / 4, center_p_z = center_p[2] ) - center_p_z < upper ? [ + center_p_z < lower ? [ + [ + interpolated_pt(cell_pts[0], cell_pts[1], lower), + interpolated_pt(cell_pts[0], cell_pts[1], upper), + interpolated_pt(cell_pts[0], center_p, upper), + interpolated_pt(cell_pts[0], cell_pts[3], upper), + [cell_pts[3][0], cell_pts[3][1], cell_pts[3][2]], + interpolated_pt(cell_pts[2], cell_pts[3], upper), + interpolated_pt(cell_pts[2], center_p, upper), + interpolated_pt(cell_pts[1], cell_pts[2], upper), + interpolated_pt(cell_pts[1], cell_pts[2], lower), + interpolated_pt(cell_pts[2], center_p, lower), + interpolated_pt(cell_pts[3], center_p, lower), + interpolated_pt(cell_pts[0], center_p, lower) + ] + ] : + center_p_z >= lower && center_p_z <= upper ? [ [ interpolated_pt(cell_pts[0], cell_pts[3], upper), [cell_pts[3][0], cell_pts[3][1], cell_pts[3][2]], interpolated_pt(cell_pts[2], cell_pts[3], upper), + interpolated_pt(cell_pts[2], center_p, upper), interpolated_pt(cell_pts[1], cell_pts[2], upper), interpolated_pt(cell_pts[1], cell_pts[2], lower), + interpolated_pt(cell_pts[1], center_p, lower), interpolated_pt(cell_pts[0], cell_pts[1], lower), - interpolated_pt(cell_pts[0], cell_pts[1], upper) + interpolated_pt(cell_pts[0], cell_pts[1], upper), + interpolated_pt(cell_pts[0], center_p, upper) ] ] : [ [ interpolated_pt(cell_pts[0], cell_pts[1], upper), + interpolated_pt(cell_pts[1], center_p, upper), interpolated_pt(cell_pts[1], cell_pts[2], upper), interpolated_pt(cell_pts[1], cell_pts[2], lower), + interpolated_pt(cell_pts[1], center_p, lower), interpolated_pt(cell_pts[0], cell_pts[1], lower) ], [ interpolated_pt(cell_pts[0], cell_pts[3], upper), [cell_pts[3][0], cell_pts[3][1], cell_pts[3][2]], - interpolated_pt(cell_pts[2], cell_pts[3], upper) + interpolated_pt(cell_pts[2], cell_pts[3], upper), + interpolated_pt(cell_pts[3], center_p, upper) ] ];