show symbols at z0, fix #1279

2015-07-01 13:16:16 +02:00
parent ad91368c81
commit 176e42cb61
1 changed files with 1 additions and 1 deletions
--- 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;