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+ envelope() method

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+ put(std::string const&, mapnik::value const&)
This commit is contained in:
Artem Pavlenko 2012-01-13 12:02:02 +00:00 • committed by Artem Pavlenko
parent 4c39a34ddf
commit da7574065d
1 changed files with 30 additions and 2 deletions
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32
include/mapnik/feature.hpp
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@ -98,6 +98,15 @@ public:
}
}
void put(std::string const& key, value const& val)
{
map_type::const_iterator itr = ctx_->mapping_.find(key);
if (itr != ctx_->mapping_.end())
{
data_[itr->second] = val;
}
}
value_type const& get(std::string const& key) const
{
map_type::const_iterator itr = ctx_->mapping_.find(key);
@ -116,7 +125,7 @@ public:
void add_geometry(geometry_type * geom)
{
geom_cont_.push_back(geom);
geom_cont_.push_back(geom);
}
unsigned num_geometries() const
@ -133,7 +142,26 @@ public:
{
return geom_cont_[index];
}
box2d<double> envelope() const
{
box2d<double> result;
for (unsigned i=0;i<num_geometries();++i)
{
geometry_type const& geom = get_geometry(i);
if (i==0)
{
box2d<double> box = geom.envelope();
result.init(box.minx(),box.miny(),box.maxx(),box.maxy());
}
else
{
result.expand_to_include(geom.envelope());
}
}
return result;
}
const raster_ptr& get_raster() const
{
return raster_;