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Code Issues Releases Wiki Activity

elaborate saddle points

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Justin Lin
2021-01-07 16:30:57 +08:00
parent f71b151e96
commit f6e553ca1b
1 changed files with 12 additions and 12 deletions
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24
src/_impl/_contours_impl.scad
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@@ -50,16 +50,16 @@ function _case4_isolines(cell_pts, threshold) = [
]; ];
function _case5_isolines(cell_pts, threshold) = function _case5_isolines(cell_pts, threshold) =
let(center_p_z = (cell_pts[0][2] + cell_pts[1][2] + cell_pts[2][2] + cell_pts[3][2]) / 4) let(center_p = (cell_pts[0] + cell_pts[1] + cell_pts[2] + cell_pts[3]) / 4)
center_p_z >= threshold ? center_p[2] >= threshold ?
[ [
[interpolated_pt(cell_pts[0], cell_pts[1], threshold), interpolated_pt(cell_pts[1], cell_pts[2], threshold)], [interpolated_pt(cell_pts[0], cell_pts[1], threshold), interpolated_pt(cell_pts[1], center_p, threshold), interpolated_pt(cell_pts[1], cell_pts[2], threshold)],
[interpolated_pt(cell_pts[0], cell_pts[3], threshold), interpolated_pt(cell_pts[2], cell_pts[3], threshold)] [interpolated_pt(cell_pts[0], cell_pts[3], threshold), interpolated_pt(cell_pts[3], center_p, threshold), interpolated_pt(cell_pts[2], cell_pts[3], threshold)]
] ]
: :
[ [
[interpolated_pt(cell_pts[0], cell_pts[1], threshold), interpolated_pt(cell_pts[0], cell_pts[3], threshold)], [interpolated_pt(cell_pts[0], cell_pts[1], threshold), interpolated_pt(cell_pts[0], center_p, threshold), interpolated_pt(cell_pts[0], cell_pts[3], threshold)],
[interpolated_pt(cell_pts[1], cell_pts[2], threshold), interpolated_pt(cell_pts[2], cell_pts[3], threshold)] [interpolated_pt(cell_pts[1], cell_pts[2], threshold), interpolated_pt(cell_pts[2], center_p, threshold), interpolated_pt(cell_pts[2], cell_pts[3], threshold)]
]; ];
function _case6_isolines(cell_pts, threshold) = [ function _case6_isolines(cell_pts, threshold) = [
@@ -75,16 +75,16 @@ function _case8_isolines(cell_pts, threshold) = _case7_isolines(cell_pts, thresh
function _case9_isolines(cell_pts, threshold) = _case6_isolines(cell_pts, threshold); function _case9_isolines(cell_pts, threshold) = _case6_isolines(cell_pts, threshold);
function _case10_isolines(cell_pts, threshold) = function _case10_isolines(cell_pts, threshold) =
let(center_p_z = (cell_pts[0][2] + cell_pts[1][2] + cell_pts[2][2] + cell_pts[3][2]) / 4) let(center_p = (cell_pts[0] + cell_pts[1] + cell_pts[2] + cell_pts[3]) / 4)
center_p_z >= threshold ? center_p[2] >= threshold ?
[ [
[interpolated_pt(cell_pts[0], cell_pts[1], threshold), interpolated_pt(cell_pts[0], cell_pts[3], threshold)], [interpolated_pt(cell_pts[0], cell_pts[1], threshold), interpolated_pt(cell_pts[1], center_p, threshold), interpolated_pt(cell_pts[0], cell_pts[3], threshold)],
[interpolated_pt(cell_pts[1], cell_pts[2], threshold), interpolated_pt(cell_pts[2], cell_pts[3], threshold)] [interpolated_pt(cell_pts[1], cell_pts[2], threshold), interpolated_pt(cell_pts[2], center_p, threshold), interpolated_pt(cell_pts[2], cell_pts[3], threshold)]
] ]
: :
[ [
[interpolated_pt(cell_pts[0], cell_pts[1], threshold), interpolated_pt(cell_pts[1], cell_pts[2], threshold)], [interpolated_pt(cell_pts[0], cell_pts[1], threshold), interpolated_pt(cell_pts[1], center_p, threshold), interpolated_pt(cell_pts[1], cell_pts[2], threshold)],
[interpolated_pt(cell_pts[0], cell_pts[3], threshold), interpolated_pt(cell_pts[2], cell_pts[3], threshold)] [interpolated_pt(cell_pts[0], cell_pts[3], threshold), interpolated_pt(cell_pts[3], center_p, threshold), interpolated_pt(cell_pts[2], cell_pts[3], threshold)]
]; ];
function _case11_isolines(cell_pts, threshold) = _case4_isolines(cell_pts, threshold); function _case11_isolines(cell_pts, threshold) = _case4_isolines(cell_pts, threshold);