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Add unit test for line_is_too_small

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Erica Fischer
2025-04-25 13:40:49 -07:00
parent a84864e795
commit 82e8d96ea6
4 changed files with 33 additions and 23 deletions
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tile.cpp
-23
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@@ -1551,29 +1551,6 @@ bool find_feature_to_accumulate_onto(std::vector<std::shared_ptr<serial_feature>
return false;
}
static bool line_is_too_small(drawvec const &geometry, int z, int detail) {
if (geometry.size() == 0) {
return true;
}
long long x = 0, y = 0;
for (auto &g : geometry) {
if (g.op == VT_MOVETO) {
x = std::llround((double) g.x / (1LL << (32 - detail - z)));
y = std::llround((double) g.y / (1LL << (32 - detail - z)));
} else {
long long xx = std::llround((double) g.x / (1LL << (32 - detail - z)));
long long yy = std::llround((double) g.y / (1LL << (32 - detail - z)));
if (xx != x || yy != y) {
return false;
}
}
}
return true;
}
// Keep only a sample of 100K extents for feature dropping,
// to avoid spending lots of memory on a complete list when there are
// hundreds of millions of features.