show symbols at z0, fix #1279

mapbox · Jul 1, 2015 · 176e42c · 176e42c · incanus · Jul 1, 2015
1 parent ad91368
commit 176e42c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/mbgl/renderer/symbol_bucket.cpp b/src/mbgl/renderer/symbol_bucket.cpp
@@ -425,7 +425,7 @@ template <typename Buffer, typename GroupType>
 void SymbolBucket::addSymbols(Buffer &buffer, const SymbolQuads &symbols, float scale, const bool keepUpright, const bool alongLine) {
     const float zoom = collision.zoom;
 
-    const float placementZoom = std::log(scale) / std::log(2) + zoom;
+    const float placementZoom = std::fmax(std::log(scale) / std::log(2) + zoom, 0);
 
     for (const auto& symbol : symbols) {
         const auto &tl = symbol.tl;