Mercurial > octave
changeset 31794:17d568574e1c stable
isosurface: Avoid integer saturation with many vertices (bug #63704).
* scripts/plot/draw/private/__marching_cube__.m (init_mc): Cast edge_table from
uint16 to double precision floating point numbers to avoid integer saturation
with many vertices.
| author | Markus Mützel <markus.muetzel@gmx.de> |
|---|---|
| date | Mon, 30 Jan 2023 18:30:33 +0100 |
| parents | 30b6a8be7128 |
| children | 7860fcc69082 8b869c5d6ce8 |
| files | scripts/plot/draw/private/__marching_cube__.m |
| diffstat | 1 files changed, 2 insertions(+), 2 deletions(-) [+] |
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--- a/scripts/plot/draw/private/__marching_cube__.m Thu Dec 08 13:57:18 2022 -0500 +++ b/scripts/plot/draw/private/__marching_cube__.m Mon Jan 30 18:30:33 2023 +0100 @@ -239,7 +239,7 @@ function [edge_table, tri_table] = init_mc () - edge_table = [ + edge_table = double ([ 0x0000, 0x0109, 0x0203, 0x030a, 0x0406, 0x050f, 0x0605, 0x070c, ... 0x080c, 0x0905, 0x0a0f, 0x0b06, 0x0c0a, 0x0d03, 0x0e09, 0x0f00, ... 0x0190, 0x0099, 0x0393, 0x029a, 0x0596, 0x049f, 0x0795, 0x069c, ... @@ -271,7 +271,7 @@ 0x0e90, 0x0f99, 0x0c93, 0x0d9a, 0x0a96, 0x0b9f, 0x0895, 0x099c, ... 0x069c, 0x0795, 0x049f, 0x0596, 0x029a, 0x0393, 0x0099, 0x0190, ... 0x0f00, 0x0e09, 0x0d03, 0x0c0a, 0x0b06, 0x0a0f, 0x0905, 0x080c, ... - 0x070c, 0x0605, 0x050f, 0x0406, 0x030a, 0x0203, 0x0109, 0x0000 ]; + 0x070c, 0x0605, 0x050f, 0x0406, 0x030a, 0x0203, 0x0109, 0x0000 ]); tri_table = [ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1;