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minor touchups to feature_style_processor to prepare for upcoming changes

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This commit is contained in:
Dane Springmeyer 2011-09-12 17:54:39 +00:00
parent 9579409940
commit 93123e8e0e
1 changed files with 11 additions and 15 deletions
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26
src/feature_style_processor.cpp
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@ -211,16 +211,6 @@ void feature_style_processor<Processor>::apply_to_layer(layer const& lay, Proces
projection proj1(lay.srs());
proj_transform prj_trans(proj0,proj1);
// todo: only display raster if src and dest proj are matched
// todo: add raster re-projection as an optional feature
if (ds->type() == datasource::Raster && !prj_trans.equal())
{
std::clog << "WARNING: Map srs does not match layer srs, skipping raster layer '" << lay.name()
<< "' as raster re-projection is not currently supported (http://trac.mapnik.org/ticket/663)\n"
<< "map srs: '" << m_.srs() << "'\nlayer srs: '" << lay.srs() << "' \n";
return;
}
#if defined(RENDERING_STATS)
if (!prj_trans.equal())
std::clog << "notice: reprojecting layer: '" << lay.name() << "' from/to:\n\t'"
@ -246,6 +236,9 @@ void feature_style_processor<Processor>::apply_to_layer(layer const& lay, Proces
// if no intersection and projections are also equal, early return
else if (prj_trans.equal())
{
#if defined(RENDERING_STATS)
layer_timer.discard();
#endif
return;
}
// next try intersection of layer extent back projected into map srs
@ -255,8 +248,8 @@ void feature_style_processor<Processor>::apply_to_layer(layer const& lay, Proces
// forward project layer extent back into native projection
if (!prj_trans.forward(layer_ext))
std::clog << "WARNING: layer " << lay.name()
<< " extent " << layer_ext << " in map projection "
<< " did not reproject properly back to layer projection\n";
<< " extent " << layer_ext << " in map projection "
<< " did not reproject properly back to layer projection\n";
}
else
{
@ -266,10 +259,13 @@ void feature_style_processor<Processor>::apply_to_layer(layer const& lay, Proces
#endif
return;
}
box2d<double> const & query_ext = m_.get_current_extent();
query::resolution_type res(m_.width()/m_.get_current_extent().width(),
m_.height()/m_.get_current_extent().height());
query q(layer_ext,res,scale_denom); //BBOX query
query::resolution_type res(m_.width()/query_ext.width(),
m_.height()/query_ext.height());
query q(layer_ext,res,scale_denom);
std::vector<feature_type_style*> active_styles;
attribute_collector collector(names);