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Use existing constant

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This commit is contained in:
Jiri Drbalek 2018-05-08 16:44:41 +00:00
parent d8dbe11fd0
commit 3deb55cc5f
1 changed files with 2 additions and 1 deletions
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src/scale_denominator.cpp
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@ -23,13 +23,14 @@
// mapnik // mapnik
#include <mapnik/scale_denominator.hpp> #include <mapnik/scale_denominator.hpp>
#include <mapnik/global.hpp> #include <mapnik/global.hpp>
#include <mapnik/well_known_srs.hpp>
// stl // stl
#include <cmath> #include <cmath>
namespace mapnik { namespace mapnik {
static const double meters_per_degree = 6378137 * 2 * M_PI / 360; static const double meters_per_degree = EARTH_CIRCUMFERENCE / 360;
double scale_denominator(double map_scale, bool geographic) double scale_denominator(double map_scale, bool geographic)
{ {