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C++ GeoPoint::transformZ方法代码示例

本文整理汇总了C++中GeoPoint::transformZ方法的典型用法代码示例。如果您正苦于以下问题:C++ GeoPoint::transformZ方法的具体用法?C++ GeoPoint::transformZ怎么用?C++ GeoPoint::transformZ使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在GeoPoint的用法示例。


在下文中一共展示了GeoPoint::transformZ方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: handle


//.........这里部分代码省略.........

                              break;
                          }
                      }

                      if (draggerFound)
                        break;
                  }
              }
            }

            aa.requestRedraw();
            return true;
        }
    }
    else if (ea.getEventType() == osgGA::GUIEventAdapter::RELEASE)
    {
        _elevationDragging = false;

        if ( _dragging )
        {
            _dragging = false;
            firePositionChanged();
        }

        aa.requestRedraw();
    }
    else if (ea.getEventType() == osgGA::GUIEventAdapter::DRAG)
    {
        if (_elevationDragging) 
        {
            _pointer._hitIter = _pointer._hitList.begin();
            _pointer.setMousePosition(ea.getX(), ea.getY());

            if (_projector->project(_pointer, _startProjectedPoint)) 
            {
                //Get the absolute mapPoint that they've drug it to.
                GeoPoint projectedPos;
                projectedPos.fromWorld(_position.getSRS(), _startProjectedPoint);

                // make sure point is not dragged down below
                // TODO: think of a better solution / HeightAboveTerrain performance issues?
                if (projectedPos.z() >= _verticalMinimum)
                {
                    //If the current position is relative, we need to convert the absolute world point to relative.
                    //If the point is absolute then just emit the absolute point.
                    if (_position.altitudeMode() == ALTMODE_RELATIVE)
                    {
                        projectedPos.transformZ(ALTMODE_RELATIVE, getMapNode()->getTerrain());
                    }

                    setPosition( projectedPos );
                    aa.requestRedraw();
                }
            }

            return true;
        }
        
        if (_dragging)
        {
            osg::Vec3d world;
            if ( getMapNode() && getMapNode()->getTerrain()->getWorldCoordsUnderMouse(view, ea.getX(), ea.getY(), world) )
            {
                //Get the absolute mapPoint that they've drug it to.
                GeoPoint mapPoint;
                mapPoint.fromWorld( getMapNode()->getMapSRS(), world );
                //_mapNode->getMap()->worldPointToMapPoint(world, mapPoint);

                //If the current position is relative, we need to convert the absolute world point to relative.
                //If the point is absolute then just emit the absolute point.
                if (_position.altitudeMode() == ALTMODE_RELATIVE)
                {
                    mapPoint.alt() = _position.alt();
                    mapPoint.altitudeMode() = ALTMODE_RELATIVE;
                }

                setPosition( mapPoint );
                aa.requestRedraw();
                return true;
            }
        }
    }   
    else if (ea.getEventType() == osgGA::GUIEventAdapter::MOVE)
    {
        Picker picker( view, this );
        Picker::Hits hits;

        if ( picker.pick( ea.getX(), ea.getY(), hits ) )
        {
            setHover( true );
        }
        else
        {
            setHover( false );
        }        
        aa.requestRedraw();
    }
    return false;
}
开发者ID:InterAtlas-ML,项目名称:osgearth,代码行数:101,代码来源:Draggers.cpp


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