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update notes. add expand option to flat projection

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This commit is contained in:
Stewart Allen 2022-10-13 13:39:59 -04:00
commit 9902a1f75b
3 changed files with 11 additions and 23 deletions
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8
src/kiri-mode/fdm/slice.js
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@ -1222,11 +1222,14 @@ function addSolidFills(slice, polys) {
/**
* project bottom flats down
*/
function projectFlats(slice, count) {
function projectFlats(slice, count, expand) {
if (!slice.down || !slice.flats) return;
// these flats are marked for finishing print speed
if (slice.flats.length) slice.finishSolids = true;
projectSolid(slice, slice.flats, count, false, true);
if (slice && slice.flats && slice.flats.length) {
const flats = expand ? POLY.expand(slice.flats, expand) : slice.flats;
projectSolid(slice, flats, count, false, true);
}
};
/**
@ -1301,6 +1304,7 @@ function doSolidsFill(slice, spacing, angle, minArea, fillQ) {
if (stop.length) {
let top_area = top.poly.areaDeep();
let stop_area = stop.map(p => p.areaDeep()).reduce((a,v) => a + v);
// if the solid area > 50% of the top area, make entire layer solid
if (stop_area / top_area > 0.5) {
make_solid_layer = true;
}