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+ don't process raster datasource

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+ if src and dest projections are not matched
This commit is contained in:
Artem Pavlenko 2010-09-24 15:44:35 +00:00
parent b3810a5f6a
commit 01076f87e3
1 changed files with 14 additions and 3 deletions
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13
include/mapnik/feature_style_processor.hpp
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@ -136,17 +136,26 @@ private:
//wall_clock_progress_timer timer(clog, "end layer rendering: ");
#endif
boost::shared_ptr<datasource> ds = lay.datasource();
if (!ds) {
if (!ds)
{
std::clog << "WARNING: No datasource for layer '" << lay.name() << "'\n";
return;
}
p.start_layer_processing(lay);
if (ds)
{
box2d<double> ext = m_.get_buffered_extent();
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()) return;
//
box2d<double> layer_ext = lay.envelope();
double lx0 = layer_ext.minx();
@ -246,6 +255,8 @@ private:
if (ds->type() == datasource::Raster )
{
if (ds->params().get<double>("filter_factor",0.0) == 0.0)
{
rule_type::symbolizers const& symbols = rule.get_symbolizers();