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pass the scale_denom in a mapnik::query - closes 465

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This commit is contained in:
Dane Springmeyer 2009-12-10 23:22:48 +00:00
parent f543f56524
commit 1b91db1db3
2 changed files with 18 additions and 4 deletions
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2
include/mapnik/feature_style_processor.hpp
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@ -144,7 +144,7 @@ namespace mapnik
Envelope<double> bbox(mx0,my0,mx1,my1);
double resolution = m_.getWidth()/bbox.width();
query q(bbox,resolution); //BBOX query
query q(bbox,resolution,scale_denom); //BBOX query
std::vector<std::string> const& style_names = lay.styles();
std::vector<std::string>::const_iterator stylesIter = style_names.begin();

20
include/mapnik/query.hpp
View file

@ -38,18 +38,26 @@ namespace mapnik {
private:
Envelope<double> bbox_;
double resolution_;
double scale_denominator_;
std::set<std::string> names_;
public:
explicit query(const Envelope<double>& bbox, double resolution, double scale_denominator)
: bbox_(bbox),
resolution_(resolution),
scale_denominator_(scale_denominator)
{}
explicit query(const Envelope<double>& bbox, double resolution)
: bbox_(bbox),
resolution_(resolution)
{}
resolution_(resolution),
scale_denominator_(0.0)
{}
query(const query& other)
: bbox_(other.bbox_),
resolution_(other.resolution_),
scale_denominator_(other.scale_denominator_),
names_(other.names_)
{}
@ -58,6 +66,7 @@ namespace mapnik {
if (this == &other) return *this;
bbox_=other.bbox_;
resolution_=other.resolution_;
scale_denominator_=other.scale_denominator_;
names_=other.names_;
return *this;
}
@ -66,6 +75,11 @@ namespace mapnik {
{
return resolution_;
}
double scale_denominator() const
{
return scale_denominator_;
}
const Envelope<double>& get_bbox() const
{