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This commit is contained in:
Justin Lin
2020-03-24 13:18:44 +08:00
parent 5c37382c26
commit d594fbf801
5 changed files with 13 additions and 17 deletions
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16
examples/image_slicer.scad
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@@ -1,5 +1,5 @@
use <hull_polyline2d.scad>;
use <experimental/marching_squares.scad>;
use <experimental/contours.scad>;
level_step = 51;
contour_width = 1.5;
@@ -116,18 +116,14 @@ module image_slicer(levels, level_step, contour_width) {
max_h = (floor(255 / level_step) + 1) * level_step;
module contours(points, z, contour_width) {
union() {
for(iso_band = marching_squares(points, [0, z])) {
polygon([for(p = iso_band) [p[0], p[1]]]);
}
}
}
for(z = [level_step:level_step:255]) {
linear_extrude((max_h - z) / level_step)
offset(0.01) // Avoid warning
contours(points, z, contour_width);
union() {
for(iso_band = contours(points, [0, z])) {
polygon([for(p = iso_band) [p[0], p[1]]]);
}
}
}
}