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fix polyline decoding

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This commit is contained in:
Moritz Kobitzsch
2016-09-29 11:55:36 +02:00
parent 7e2663f2ad
commit 78d530ddae
2 changed files with 4 additions and 2 deletions
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src/engine/polyline_compressor.cpp
+2 -2
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@@ -100,7 +100,7 @@ std::vector<util::Coordinate> decodePolyline(const std::string &geometry_string)
b = geometry_string.at(index++) - 63;
result |= (b & 0x1f) << shift;
shift += 5;
} while (b >= 0x20);
} while (b >= 0x20 && index < len);
int dlat = ((result & 1) != 0 ? ~(result >> 1) : (result >> 1));
lat += dlat;
@@ -111,7 +111,7 @@ std::vector<util::Coordinate> decodePolyline(const std::string &geometry_string)
b = geometry_string.at(index++) - 63;
result |= (b & 0x1f) << shift;
shift += 5;
} while (b >= 0x20);
} while (b >= 0x20 && index < len);
int dlng = ((result & 1) != 0 ? ~(result >> 1) : (result >> 1));
lng += dlng;