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Revert "Use a label point for the general representative point for polygons"

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This reverts commit 2261adf05e.
This commit is contained in:
Erica Fischer
2022-10-07 14:09:58 -07:00
parent 2261adf05e
commit 75c6abfbdd
55 changed files with 24497 additions and 24709 deletions
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serial.cpp
+1 -17
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@@ -565,24 +565,8 @@ int serialize_feature(struct serialization_state *sst, serial_feature &sf) {
// keep old behavior, which loses one bit of precision at the bottom
midx = (sf.bbox[0] / 2 + sf.bbox[2] / 2) & ((1LL << 32) - 1);
midy = (sf.bbox[1] / 2 + sf.bbox[3] / 2) & ((1LL << 32) - 1);
} else if (sf.t == VT_POLYGON) {
// generate a label point, but without doing the extra work to find one
// that is as far as possible from the borders
drawvec dv = polygon_to_anchor(sf.geometry, false);
if (dv.size() > 0) {
midx = dv[0].x;
midy = dv[0].y;
} else {
// shouldn't happen, but just in case
midx = (sf.bbox[0] / 2 + sf.bbox[2] / 2) & ((1LL << 32) - 1);
midy = (sf.bbox[1] / 2 + sf.bbox[3] / 2) & ((1LL << 32) - 1);
}
// If off the edge of the plane, mask to bring it back into the addressable area
midx = midx & ((1LL << 32) - 1);
midy = midy & ((1LL << 32) - 1);
} else {
// To reduce the chances of giving multiple linestrings
// To reduce the chances of giving multiple polygons or linestrings
// the same index, use an arbitrary but predictable point from the
// geometry as the index point rather than the bounding box center
// as was previously used. The index point chosen comes from a hash