bool
MouseCoordsTool::handle( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa )
{
if (ea.getEventType() == ea.MOVE || ea.getEventType() == ea.DRAG)
{
osg::Vec3d world;
if ( _mapNode->getTerrain()->getWorldCoordsUnderMouse(aa.asView(), ea.getX(), ea.getY(), world) )
{
GeoPoint map;
map.fromWorld( _mapNode->getMapSRS(), world );
for( Callbacks::iterator i = _callbacks.begin(); i != _callbacks.end(); ++i )
i->get()->set( map, aa.asView(), _mapNode );
}
else
{
for( Callbacks::iterator i = _callbacks.begin(); i != _callbacks.end(); ++i )
i->get()->reset( aa.asView(), _mapNode );
}
#if 1 // testing AGL, Dist to Point
osg::Vec3d eye, center, up;
aa.asView()->getCamera()->getViewMatrixAsLookAt(eye, center, up);
DPLineSegmentIntersector* lsi = new DPLineSegmentIntersector(eye, osg::Vec3d(0,0,0));
osgUtil::IntersectionVisitor iv(lsi);
lsi->setIntersectionLimit(lsi->LIMIT_NEAREST);
//iv.setUserData( new Map() );
_mapNode->accept(iv);
if ( !lsi->getIntersections().empty() )
{
double agl = (eye - lsi->getFirstIntersection().getWorldIntersectPoint()).length();
double dtp = (eye - world).length();
//OE_NOTICE << "AGL = " << agl << "m; DPT = " << dtp << "m" << std::endl;
Registry::instance()->startActivity("AGL", Stringify() << agl << " m");
Registry::instance()->startActivity("Range", Stringify() << dtp << " m");
}
#endif
}
return false;
}
bool
MouseCoordsTool::handle( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa )
{
if (ea.getEventType() == ea.MOVE || ea.getEventType() == ea.DRAG)
{
osg::Vec3d world;
if ( _mapNode->getTerrain()->getWorldCoordsUnderMouse(aa.asView(), ea.getX(), ea.getY(), world) )
{
GeoPoint map;
map.fromWorld( _mapNode->getMapSRS(), world );
for( Callbacks::iterator i = _callbacks.begin(); i != _callbacks.end(); ++i )
i->get()->set( map, aa.asView(), _mapNode );
}
else
{
for( Callbacks::iterator i = _callbacks.begin(); i != _callbacks.end(); ++i )
i->get()->reset( aa.asView(), _mapNode );
}
}
return false;
}
void SimplePager::removeCallback(Callback* callback)
{
if (callback)
{
Threading::ScopedMutexLock lock(_mutex);
for (Callbacks::iterator i = _callbacks.begin(); i != _callbacks.end(); ++i)
{
if (i->get() == callback)
{
_callbacks.erase(i);
break;
}
}
}
}
void SimplePager::fire_onCreateNode(const TileKey& key, osg::Node* node)
{
Threading::ScopedMutexLock lock(_mutex);
for (Callbacks::iterator i = _callbacks.begin(); i != _callbacks.end(); ++i)
i->get()->onCreateNode(key, node);
}
bool
FeatureQueryTool::handle( const osgGA::GUIEventAdapter& ea, osgGA::GUIActionAdapter& aa )
{
bool handled = false;
bool attempt;
if ( _inputPredicate.valid() )
{
attempt = _inputPredicate->accept(ea);
}
else
{
attempt =
ea.getEventType() == osgGA::GUIEventAdapter::RELEASE &&
_mouseDown &&
fabs(ea.getX()-_mouseDownX) <= 3.0 &&
fabs(ea.getY()-_mouseDownY) <= 3.0;
}
if ( attempt )
{
osg::View* view = aa.asView();
Picker picker(
dynamic_cast<osgViewer::View*>(view),
_mapNode->getModelLayerGroup() );
Picker::Hits hits;
if ( picker.pick( ea.getX(), ea.getY(), hits ) )
{
// find the closest indexed feature to the camera. It must be a feature
// that is not only closest, but exists in the index as well.
FeatureSourceIndexNode* closestIndex = 0L;
FeatureID closestFID;
double closestDistance = DBL_MAX;
osg::Vec3d closestWorldPt;
for(Picker::Hits::iterator hit = hits.begin(); hit != hits.end(); ++hit )
{
FeatureSourceIndexNode* index = picker.getNode<FeatureSourceIndexNode>( *hit );
if ( index && (hit->distance < closestDistance) )
{
FeatureID fid;
if ( index->getFID( hit->drawable, hit->primitiveIndex, fid ) )
{
closestIndex = index;
closestFID = fid;
closestDistance = hit->distance;
closestWorldPt = hit->matrix.valid() ? hit->localIntersectionPoint * (*hit->matrix.get()) : hit->localIntersectionPoint;
}
}
}
if ( closestIndex )
{
OE_DEBUG << LC << "HIT: feature ID = " << (unsigned)closestFID << std::endl;
Callback::EventArgs args;
args._ea = &ea;
args._aa = &aa;
args._worldPoint = closestWorldPt;
for( Callbacks::iterator i = _callbacks.begin(); i != _callbacks.end(); )
{
if ( i->valid() )
{
i->get()->onHit( closestIndex, closestFID, args );
++i;
}
else
{
i = _callbacks.erase( i );
}
}
handled = true;
}
}
if ( !handled )
{
OE_DEBUG << LC << "miss" << std::endl;
Callback::EventArgs args;
args._ea = &ea;
args._aa = &aa;
for( Callbacks::iterator i = _callbacks.begin(); i != _callbacks.end(); )
{
if ( i->valid() )
{
i->get()->onMiss( args );
++i;
}
else
{
i = _callbacks.erase( i );
}
}
}
_mouseDown = false;
}
// unmodified left mouse click
else if (
ea.getEventType() == osgGA::GUIEventAdapter::PUSH &&
ea.getModKeyMask() == 0 &&
ea.getButtonMask() == osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON)
{
_mouseDown = true;
_mouseDownX = ea.getX();
_mouseDownY = ea.getY();
}
return handled;
}