osgEarthFeatureSet.h

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#pragma once

#include <features/feature.h>
#include <features/featureSet.h>

#include <osgEarth/Map>
#include <osgEarthFeatures/FeatureSource>
#include <osgEarthSymbology/Query>
#include <osgEarth/MapNode>

namespace MAKVRinTerra
{
   class DT_DLL_features DtOsgEarthFeature : public DtFeature
   {
   public:
      typedef osg::ref_ptr<osgEarth::Features::Feature> OsgEarthFeaturePtr;

      static const char* LayerAttribute;

      DtOsgEarthFeature(OsgEarthFeaturePtr, const DtProj&, std::string layerName);

      unsigned numberOfAttributes(const Key::String&) const;

      boost::optional<Attribute> attribute(const Key &) const;

      DtFeatureGeometry geometry() const;

      void forEachAttribute(ForEachFunction) const;

   private:
      OsgEarthFeaturePtr myFeature;
      DtProj::CPtr myProjection;
      std::string myLayerName;
   };

   class DT_DLL_features DtOsgEarthFeatureSet : public DtFeatureSet
   {
   public:
      typedef std::set<DtFeature::Key> AttributeSet;

      static DtFeatureSet* MakeMap(const osgEarth::Map& map);
      static DtFeatureSet* MakeWFS(std::string url, std::string layer);
      static DtFeatureSet* Make(const osgEarth::Features::FeatureSourceOptions &);

      explicit DtOsgEarthFeatureSet(
         const osgEarth::Features::FeatureSourceOptions&,
         const osgEarth::Symbology::Query& = osgEarth::Symbology::Query());

      void forEachFeature(ForEachFunction, DtWaitType) const;
      DtFeatureSet* filter(const DtQuery&, DtLoadType) const;
      DtFeatureSet* clone() const;
      DtQuery schema() const;
      bool loaded(double) const;

   private:
      DtOsgEarthFeatureSet(const DtOsgEarthFeatureSet&, const osgEarth::Symbology::Query&);
      DtOsgEarthFeatureSet(const DtOsgEarthFeatureSet&);

      osg::ref_ptr<osgEarth::Features::FeatureSource> myFeatureSource;
      DtProj::CPtr myProjection;
      osgEarth::Symbology::Query myQuery;
      std::string myLayerName;
      DtQuery mySchema;
      AttributeSet myAttributes;
   };
}