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avoid unnessary datasource queries if style contains only empty rule(s) - closes #1670 - refs mapbox/carto#219

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Dane Springmeyer 2012-12-21 20:03:41 -08:00
parent 665d390021
commit 0d8f415070
1 changed files with 1 additions and 1 deletions
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2
src/rule.cpp
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@ -233,7 +233,7 @@ bool rule::has_also_filter() const
bool rule::active(double scale) const
{
return ( scale >= min_scale_ - 1e-6 && scale < max_scale_ + 1e-6);
return ( !syms_.empty() && scale >= min_scale_ - 1e-6 && scale < max_scale_ + 1e-6);
}
}