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Make it a little thicker.

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Don't change the tiny polygon rules unless the option is set
This commit is contained in:
Erica Fischer
2023-10-27 23:00:18 -07:00
parent 6c58ae4162
commit 23009c2cca
2 changed files with 20 additions and 16 deletions
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geometry.cpp
+19 -15
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@@ -197,21 +197,25 @@ drawvec reduce_tiny_poly(drawvec &geom, int z, int detail, bool *still_needs_sim
double area = get_area(geom, i, j);
long long minx = LLONG_MAX;
long long maxx = LLONG_MIN;
long long miny = LLONG_MAX;
long long maxy = LLONG_MIN;
for (auto const &d : geom) {
minx = std::min(minx, (long long) d.x);
maxx = std::max(maxx, (long long) d.x);
miny = std::min(miny, (long long) d.y);
maxy = std::max(maxy, (long long) d.y);
}
if (area > 0 && area <= pixel * pixel && area < (maxx - minx) * (maxy - miny) / 5) {
// if the polygon doesn't use most of its area,
// don't let it be dust, because the shape is
// probably something weird and interesting.
area = pixel * pixel * 2;
// if we are trying to salvage polygons that would otherwise drop out,
// also raise the standards for what can qualify as polygon dust
if (additional[A_BUFFER_POLYGONS_OUTWARD]) {
long long minx = LLONG_MAX;
long long maxx = LLONG_MIN;
long long miny = LLONG_MAX;
long long maxy = LLONG_MIN;
for (auto const &d : geom) {
minx = std::min(minx, (long long) d.x);
maxx = std::max(maxx, (long long) d.x);
miny = std::min(miny, (long long) d.y);
maxy = std::max(maxy, (long long) d.y);
}
if (area > 0 && area <= pixel * pixel && area < (maxx - minx) * (maxy - miny) / 3) {
// if the polygon doesn't use most of its area,
// don't let it be dust, because the shape is
// probably something weird and interesting.
area = pixel * pixel * 2;
}
}
// XXX There is an ambiguity here: If the area of a ring is 0 and it is followed by holes,