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Don't add extra points at tile boundaries if not clipping

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The extra points kept the features from being exactly the same
in each tile.
This commit is contained in:
Eric Fischer
2016-04-19 16:13:02 -07:00
parent 56d8178a7c
commit 41099ed731
5 changed files with 723 additions and 721 deletions
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geometry.cc
+4 -2
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@@ -800,7 +800,7 @@ drawvec impose_tile_boundaries(drawvec &geom, long long extent) {
return out;
}
drawvec simplify_lines(drawvec &geom, int z, int detail) {
drawvec simplify_lines(drawvec &geom, int z, int detail, bool mark_tile_bounds) {
int res = 1 << (32 - detail - z);
long long area = 0xFFFFFFFF;
if (z != 0) {
@@ -817,7 +817,9 @@ drawvec simplify_lines(drawvec &geom, int z, int detail) {
}
}
geom = impose_tile_boundaries(geom, area);
if (mark_tile_bounds) {
geom = impose_tile_boundaries(geom, area);
}
for (size_t i = 0; i < geom.size(); i++) {
if (geom[i].op == VT_MOVETO) {