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Code Issues Releases Wiki Activity

elaborate saddle points of 0101

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Justin Lin 2021-01-07 17:53:14 +08:00
parent a6f24e03c5
commit f6556b9ac8
1 changed files with 38 additions and 12 deletions
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50
src/_impl/_contours_impl.scad
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@ -678,30 +678,56 @@ function _case0202_isobands(cell_pts, lower, upper) =
]
];
function _case0101_isobands(cell_pts, threshold) =
function _case0101_isobands(cell_pts, lower, upper) =
let(
center_p = (cell_pts[0] + cell_pts[1] + cell_pts[2] + cell_pts[3]) / 4,
center_p_z = center_p[2]
)
center_p_z < threshold ? [
center_p_z < lower ? [
[
[cell_pts[0][0], cell_pts[0][1], cell_pts[0][2]],
interpolated_pt(cell_pts[0], cell_pts[3], threshold),
interpolated_pt(cell_pts[0], cell_pts[1], threshold)
interpolated_pt(cell_pts[0], cell_pts[3], lower),
interpolated_pt(cell_pts[0], center_p, lower),
interpolated_pt(cell_pts[0], cell_pts[1], lower)
],
[
interpolated_pt(cell_pts[2], cell_pts[3], threshold),
interpolated_pt(cell_pts[2], center_p, lower),
interpolated_pt(cell_pts[2], cell_pts[3], lower),
[cell_pts[2][0], cell_pts[2][1], cell_pts[2][2]],
interpolated_pt(cell_pts[1], cell_pts[2], threshold)
interpolated_pt(cell_pts[1], cell_pts[2], lower)
]
] : [
] :
center_p_z >= lower && center_p_z < upper ? [
[
[cell_pts[0][0], cell_pts[0][1], cell_pts[0][2]],
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], lower),
interpolated_pt(cell_pts[3], center_p, lower),
interpolated_pt(cell_pts[2], cell_pts[3], lower),
[cell_pts[2][0], cell_pts[2][1], cell_pts[2][2]],
interpolated_pt(cell_pts[1], cell_pts[2], threshold),
interpolated_pt(cell_pts[0], cell_pts[1], threshold)
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], lower),
[cell_pts[0][0], cell_pts[0][1], cell_pts[0][2]],
interpolated_pt(cell_pts[0], cell_pts[3], lower),
interpolated_pt(cell_pts[3], center_p, lower),
interpolated_pt(cell_pts[3], center_p, upper),
interpolated_pt(cell_pts[0], center_p, upper),
interpolated_pt(cell_pts[1], center_p, upper),
interpolated_pt(cell_pts[1], center_p, lower)
],
[
interpolated_pt(cell_pts[1], cell_pts[2], lower),
interpolated_pt(cell_pts[1], center_p, lower),
interpolated_pt(cell_pts[1], center_p, upper),
interpolated_pt(cell_pts[2], center_p, upper),
interpolated_pt(cell_pts[3], center_p, upper),
interpolated_pt(cell_pts[3], center_p, lower),
interpolated_pt(cell_pts[2], cell_pts[3], lower),
[cell_pts[2][0], cell_pts[2][1], cell_pts[2][2]]
]
];
@ -1096,7 +1122,7 @@ function _isobands_of(cell_pts, lower, upper) =
// Saddles
cv == "2020" ? _case2020_isobands(cell_pts, lower, upper) :
cv == "0202" ? _case0202_isobands(cell_pts, lower, upper) :
cv == "0101" ? _case0101_isobands(cell_pts, lower) :
cv == "0101" ? _case0101_isobands(cell_pts, lower, upper) :
cv == "1010" ? _case1010_isobands(cell_pts, lower) :
cv == "2121" ? _case2121_isobands(cell_pts, upper) :
cv == "1212" ? _case1212_isobands(cell_pts, upper) :