vismarkerset.h

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#ifndef vismarkerset_h
#define vismarkerset_h

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Nanne Hemstra
 Date:          July 2002
 RCS:           $Id$
________________________________________________________________________


-*/

#include "visbasemod.h"
#include "visobject.h"
#include "trigonometry.h"
#include "draw.h"
#include "viscoord.h"
#include "visnormals.h"

namespace osgGeo { class MarkerSet; }

namespace visBase
{
    class PolygonOffset;

mExpClass(visBase) MarkerSet : public VisualObjectImpl
{
public:

    enum AutoRotateMode
    {
        NO_ROTATION,
        ROTATE_TO_SCREEN,
        ROTATE_TO_CAMERA,
        ROTATE_TO_AXIS
    };

    static MarkerSet*   create()
                        mCreateDataObj(MarkerSet);

    Coordinates*        getCoordinates()         { return coords_; }
    const Coordinates*  getCoordinates()  const  { return coords_; }
    Normals*            getNormals();

    void                setMaterial(visBase::Material*);

    void                setMarkersSingleColor(const Color& singlecolor);
    Color               getMarkersSingleColor() const;
    bool                usesSingleColor() const;
    void                getColorArray(TypeSet<Color>& colors) const;

    void                setMarkerStyle(const MarkerStyle3D&);
    MarkerStyle3D&      getMarkerStyle() { return markerstyle_; }
    const MarkerStyle3D& getMarkerStyle() const { return markerstyle_; }
    void                setType(MarkerStyle3D::Type);
    MarkerStyle3D::Type getType() const;

    void                setScreenSize(float);
    float               getScreenSize() const;
    static float        cDefaultScreenSize() { return 5; }

    void                setMarkerHeightRatio(float);
    float               getMarkerHeightRatio() const;

    void                setMinimumScale(float);
    float               getMinimumScale() const;

    void                setMaximumScale(float);
    float               getMaximumScale() const;

    void                setAutoRotateMode(AutoRotateMode);

    void                setRotationForAllMarkers(const Coord3&, const float);
    void                setSingleMarkerRotation(const Quaternion&, int);
    void                applyRotationToAllMarkers(bool);


    void                doFaceCamera(bool yn);
    bool                facesCamera() const;

    void                setDisplayTransformation( const mVisTrans* );
    const mVisTrans*    getDisplayTransformation() const;

    void                setPixelDensity(float);
    float               getPixelDensity() const { return pixeldensity_; }

    void                removeMarker(int idx);

    void                clearMarkers();
    void                turnMarkerOn(unsigned int idx,bool);
    void                turnAllMarkersOn(bool);
    bool                markerOn(unsigned int);

    int                 findClosestMarker(const Coord3&, bool scenespace=false);
    int                 findMarker(const Coord3&, const Coord3& eps,
                                   bool scenespace = false);

    void                setMarkerResolution(float res);
     int                size() const;
     int                addPos(const Coord3&, bool draw = true);
    void                setPos(int, const Coord3&,bool draw = true);
    void                insertPos(int, const Coord3&,bool draw = true);
    void                forceRedraw(bool);
    void                addPolygonOffsetNodeState();
    void                removePolygonOffsetNodeState();

protected:
    void                materialChangeCB(CallBacker*);
                                ~MarkerSet();

    RefMan<Coordinates>         coords_;
    RefMan<Normals>             normals_;
    RefMan<const mVisTrans>     displaytrans_;
    osgGeo::MarkerSet*          markerset_;
    MarkerStyle3D               markerstyle_;

    float                       pixeldensity_;

    float                       rotationangle_;
    Coord3                      rotationvec_;
    PolygonOffset*              offset_;
    osg::Array*                 onoffarr_;
};

} // namespace visBase

#endif