From 176e42cb61a19ee2f7e7d5b3d4c8b0fb3df0a1ed Mon Sep 17 00:00:00 2001
From: Ansis Brammanis <brammanis@gmail.com>
Date: Wed, 1 Jul 2015 13:16:16 +0200
Subject: [PATCH] show symbols at z0, fix #1279

---
 src/mbgl/renderer/symbol_bucket.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mbgl/renderer/symbol_bucket.cpp b/src/mbgl/renderer/symbol_bucket.cpp
index 526539474..9f05209ff 100644
--- 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;