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Turn polygon revival back on; turn off some debug spew

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This commit is contained in:
Erica Fischer
2023-11-12 23:17:26 -08:00
parent c0866b9cde
commit d06363e9f9
1 changed files with 8 additions and 4 deletions
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polygon.cpp
+8 -4
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@@ -66,7 +66,7 @@ bool fix_opposites(std::vector<segment> &segs) {
double dx = std::round(segs[i].second.x) - std::round(segs[i].first.x);
double dy = std::round(segs[i].second.y) - std::round(segs[i].first.y);
double dsq = dx * dx + dy * dy;
if (false && dsq >= 5 * 5) {
if (dsq >= 5 * 5) {
// alter the segments instead to keep it from collapsing away
double ang = atan2(dy, dx) - M_PI / 2;
@@ -428,7 +428,7 @@ struct ring_area {
long long x = (geom[i].x + geom[i + 1].x + geom[i + 2].x) / 3;
long long y = (geom[i].y + geom[i + 1].y + geom[i + 2].y) / 3;
if (pnpoly(geom, 0, geom.size(), x, y)) {
if (get_area(geom, i, i + 3) != 0 && pnpoly(geom, 0, geom.size(), x, y)) {
ear_x = x;
ear_y = y;
return;
@@ -766,17 +766,21 @@ drawvec clean_polygon(drawvec const &geom, int z, int detail) {
signbit(rings[j].area) == signbit(rings[i].area) ? "!!!!" : "");
#endif
} else if (rings[i].area < 0 && rings[j].area < 0) {
#if 0
fprintf(stderr, "inner within inner: ring %zd (%f) encloses ring %zu (%f) %s\n", j, rings[j].area, i, rings[i].area,
signbit(rings[j].area) == signbit(rings[i].area) ? "!!!!" : "");
#endif
rings[i].geom.clear();
} else if (rings[i].area > 0 && rings[j].area > 0) {
#if 0
fprintf(stderr, "outer within outer: ring %zd (%f) encloses ring %zu (%f) %s\n", j, rings[j].area, i, rings[i].area,
signbit(rings[j].area) == signbit(rings[i].area) ? "!!!!" : "");
#endif
rings[i].geom.clear();
} else {
// outer ring within an inner ring;
// this is OK, but it is treated as a new outer ring in the tile,
// not output in a hierarchy
// this is fine, but it is treated as a new outer ring in the tile,
// not output in a hierarchy with the enclosing rings
}
break;