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316 lines
13 KiB
316 lines
13 KiB
13 years ago
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#ifndef __plot3d_2003_06_09_12_14__
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#define __plot3d_2003_06_09_12_14__
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#include "qwt3d_coordsys.h"
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#include "qwt3d_enrichment_std.h"
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namespace Qwt3D
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{
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//! Base class for all plotting widgets
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/*!
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Plot3D handles all the common features for plotting widgets - coordinate system, transformations, mouse/keyboard
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handling, labeling etc.. It contains some pure virtual functions and is, in so far, an abstract base class.
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The class provides interfaces for data handling and implements basic data controlled color allocation.
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*/
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class QWT3D_EXPORT Plot3D : public QGLWidget
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{
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Q_OBJECT
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public:
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#if QT_VERSION < 0x040000
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Plot3D( QWidget* parent = 0, const char* name = 0 );
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#else
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Plot3D ( QWidget * parent = 0, const QGLWidget * shareWidget = 0 );
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#endif
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virtual ~Plot3D();
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QPixmap renderPixmap (int w=0, int h=0, bool useContext=false);
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void updateData(); //!< Recalculate data
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void createCoordinateSystem(Qwt3D::Triple beg, Qwt3D::Triple end);
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Qwt3D::CoordinateSystem* coordinates() { return &coordinates_p; } //!< Returns pointer to CoordinateSystem object
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Qwt3D::ColorLegend* legend() { return &legend_;} //!< Returns pointer to ColorLegend object
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double xRotation() const { return xRot_;} //!< Returns rotation around X axis [-360..360] (some angles are equivalent)
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double yRotation() const { return yRot_;} //!< Returns rotation around Y axis [-360..360] (some angles are equivalent)
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double zRotation() const { return zRot_;} //!< Returns rotation around Z axis [-360..360] (some angles are equivalent)
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double xShift() const { return xShift_;} //!< Returns shift along X axis (object coordinates)
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double yShift() const { return yShift_;} //!< Returns shift along Y axis (object coordinates)
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double zShift() const { return zShift_;} //!< Returns shift along Z axis (object coordinates)
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double xViewportShift() const { return xVPShift_;} //!< Returns relative shift [-1..1] along X axis (view coordinates)
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double yViewportShift() const { return yVPShift_;} //!< Returns relative shift [-1..1] along Y axis (view coordinates)
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double xScale() const { return xScale_;} //!< Returns scaling for X values [0..inf]
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double yScale() const { return yScale_;} //!< Returns scaling for Y values [0..inf]
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double zScale() const { return zScale_;} //!< Returns scaling for Z values [0..inf]
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double zoom() const { return zoom_;} //!< Returns zoom (0..inf)
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bool ortho() const { return ortho_; } //!< Returns orthogonal (true) or perspective (false) projection
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void setPlotStyle( Qwt3D::PLOTSTYLE val);
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Qwt3D::Enrichment* setPlotStyle( Qwt3D::Enrichment const& val);
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Qwt3D::PLOTSTYLE plotStyle() const { return plotstyle_; }//!< Returns plotting style
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//! Returns current Enrichment object used for plotting styles (if set, zero else)
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Qwt3D::Enrichment* userStyle() const { return userplotstyle_p; }
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void setShading( Qwt3D::SHADINGSTYLE val );
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Qwt3D::SHADINGSTYLE shading() const { return shading_; }//!< Returns shading style
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void setIsolines(int isolines);
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int isolines() const { return isolines_;} //!< Returns number of isolines
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void setSmoothMesh(bool val) {smoothdatamesh_p = val;} //!< Enables/disables smooth data mesh lines. Default is false
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bool smoothDataMesh() const {return smoothdatamesh_p;} //!< True if mesh antialiasing is on
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void setBackgroundColor(Qwt3D::RGBA rgba); //!< Sets widgets background color
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Qwt3D::RGBA backgroundRGBAColor() const {return bgcolor_;} //!< Returns the widgets background color
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void setMeshColor(Qwt3D::RGBA rgba); //!< Sets color for data mesh
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Qwt3D::RGBA meshColor() const {return meshcolor_;} //!< Returns color for data mesh
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void setMeshLineWidth(double lw); //!< Sets line width for data mesh
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double meshLineWidth() const {return meshLineWidth_;} //!< Returns line width for data mesh
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void setDataColor(Color* col); //!< Sets new data color object
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const Color* dataColor() const {return datacolor_p;} //!< Returns data color object
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virtual Qwt3D::Enrichment* addEnrichment(Qwt3D::Enrichment const&); //!< Add an Enrichment
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virtual bool degrade(Qwt3D::Enrichment*); //!< Remove an Enrichment
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Qwt3D::ParallelEpiped hull() const { return hull_;} //!< Returns rectangular hull
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void showColorLegend(bool);
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void setCoordinateStyle(Qwt3D::COORDSTYLE st); //!< Sets style of coordinate system.
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void setPolygonOffset(double d);
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double polygonOffset() const {return polygonOffset_;} //!< Returns relative value for polygon offset [0..1]
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void setTitlePosition(double rely, double relx = 0.5, Qwt3D::ANCHOR = Qwt3D::TopCenter);
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void setTitleFont(const QString& family, int pointSize, int weight = QFont::Normal, bool italic = false);
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void setTitleColor(Qwt3D::RGBA col) {title_.setColor(col);} //!< Set caption color
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void setTitle(const QString& title) {title_.setString(title);} //!< Set caption text (one row only)
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void assignMouse(MouseState xrot, MouseState yrot, MouseState zrot,
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MouseState xscale, MouseState yscale, MouseState zscale,
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MouseState zoom, MouseState xshift, MouseState yshift);
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bool mouseEnabled() const; //!< Returns true, if the widget accept mouse input from the user
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void assignKeyboard(
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KeyboardState xrot_n, KeyboardState xrot_p
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,KeyboardState yrot_n, KeyboardState yrot_p
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,KeyboardState zrot_n, KeyboardState zrot_p
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,KeyboardState xscale_n, KeyboardState xscale_p
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,KeyboardState yscale_n, KeyboardState yscale_p
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,KeyboardState zscale_n, KeyboardState zscale_p
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,KeyboardState zoom_n, KeyboardState zoom_p
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,KeyboardState xshift_n, KeyboardState xshift_p
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,KeyboardState yshift_n, KeyboardState yshift_p
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);
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bool keyboardEnabled() const; //!< Returns true, if the widget accept keyboard input from the user
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//! Sets speed for keyboard driven transformations
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void setKeySpeed(double rot, double scale, double shift);
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//! Gets speed for keyboard driven transformations
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void keySpeed(double& rot, double& scale, double& shift) const;
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bool lightingEnabled() const; //!< Returns true, if Lighting is enabled, false else
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//! Turn light on
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void illuminate(unsigned light = 0);
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//! Turn light off
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void blowout(unsigned light = 0);
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void setMaterialComponent(GLenum property, double r, double g, double b, double a = 1.0);
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void setMaterialComponent(GLenum property, double intensity);
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void setShininess(double exponent);
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void setLightComponent(GLenum property, double r, double g, double b, double a = 1.0, unsigned light=0);
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void setLightComponent(GLenum property, double intensity, unsigned light=0);
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//! Returns Light 'idx' rotation around X axis [-360..360] (some angles are equivalent)
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double xLightRotation(unsigned idx = 0) const { return (idx<8) ? lights_[idx].rot.x : 0;}
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//! Returns Light 'idx' rotation around Y axis [-360..360] (some angles are equivalent)
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double yLightRotation(unsigned idx = 0) const { return (idx<8) ? lights_[idx].rot.y : 0;}
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//! Returns Light 'idx' rotation around Z axis [-360..360] (some angles are equivalent)
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double zLightRotation(unsigned idx = 0) const { return (idx<8) ? lights_[idx].rot.z : 0;}
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//! Returns shift of Light 'idx 'along X axis (object coordinates)
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double xLightShift(unsigned idx = 0) const {return (idx<8) ? lights_[idx].shift.x : 0;}
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//! Returns shift of Light 'idx 'along Y axis (object coordinates)
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double yLightShift(unsigned idx = 0) const {return (idx<8) ? lights_[idx].shift.y : 0;}
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//! Returns shift of Light 'idx 'along Z axis (object coordinates)
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double zLightShift(unsigned idx = 0) const {return (idx<8) ? lights_[idx].shift.z : 0;}
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//! Returns true if valid data available, false else
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bool hasData() const { return (actualData_p) ? !actualData_p->empty() : false;}
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signals:
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//! Emitted, if the rotation is changed
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void rotationChanged( double xAngle, double yAngle, double zAngle );
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//! Emitted, if the shift is changed
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void shiftChanged( double xShift, double yShift, double zShift );
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//! Emitted, if the viewport shift is changed
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void vieportShiftChanged( double xShift, double yShift );
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//! Emitted, if the scaling is changed
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void scaleChanged( double xScale, double yScale, double zScale );
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//! Emitted, if the zoom is changed
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void zoomChanged(double);
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//! Emitted, if the projection mode is changed
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void projectionChanged(bool);
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public slots:
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void setRotation( double xVal, double yVal, double zVal );
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void setShift( double xVal, double yVal, double zVal );
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void setViewportShift( double xVal, double yVal );
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void setScale( double xVal, double yVal, double zVal );
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void setZoom( double );
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void setOrtho(bool);
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void enableMouse(bool val=true); //!< Enable mouse input
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void disableMouse(bool val =true); //!< Disable mouse input
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void enableKeyboard(bool val=true); //!< Enable keyboard input
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void disableKeyboard(bool val =true); //!< Disable keyboard input
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void enableLighting(bool val = true); //!< Turn Lighting on or off
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void disableLighting(bool val = true); //!< Turn Lighting on or off
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void setLightRotation( double xVal, double yVal, double zVal, unsigned int idx = 0 );
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void setLightShift( double xVal, double yVal, double zVal, unsigned int idx = 0 );
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virtual bool savePixmap(QString const& fileName, QString const& format); //!< Saves content to pixmap format
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//! Saves content to vector format
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virtual bool saveVector(QString const& fileName, QString const& format, VectorWriter::TEXTMODE text, VectorWriter::SORTMODE sortmode);
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virtual bool save(QString const& fileName, QString const& format); //!< Saves content
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protected:
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typedef std::list<Qwt3D::Enrichment*> EnrichmentList;
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typedef EnrichmentList::iterator ELIT;
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void initializeGL();
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void paintGL();
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void resizeGL( int w, int h );
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void mousePressEvent( QMouseEvent *e );
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void mouseReleaseEvent( QMouseEvent *e );
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void mouseMoveEvent( QMouseEvent *e );
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void wheelEvent( QWheelEvent *e );
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void keyPressEvent( QKeyEvent *e );
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Qwt3D::CoordinateSystem coordinates_p;
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Qwt3D::Color* datacolor_p;
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Qwt3D::Enrichment* userplotstyle_p;
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EnrichmentList elist_p;
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virtual void calculateHull() = 0;
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virtual void createData() = 0;
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virtual void createEnrichment(Qwt3D::Enrichment&){}
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virtual void createEnrichments();
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void createCoordinateSystem();
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void setHull(Qwt3D::ParallelEpiped p) {hull_ = p;}
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bool initializedGL() const {return initializedGL_;}
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enum OBJECTS
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{
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DataObject,
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LegendObject,
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NormalObject,
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DisplayListSize // only to have a vector length ...
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};
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std::vector<GLuint> displaylists_p;
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Qwt3D::Data* actualData_p;
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private:
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struct Light
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{
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Light() : unlit(true){}
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bool unlit;
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Qwt3D::Triple rot;
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Qwt3D::Triple shift;
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};
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std::vector<Light> lights_;
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GLdouble xRot_, yRot_, zRot_, xShift_, yShift_, zShift_, zoom_
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, xScale_, yScale_, zScale_, xVPShift_, yVPShift_;
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Qwt3D::RGBA meshcolor_;
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double meshLineWidth_;
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Qwt3D::RGBA bgcolor_;
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Qwt3D::PLOTSTYLE plotstyle_;
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Qwt3D::SHADINGSTYLE shading_;
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Qwt3D::FLOORSTYLE floorstyle_;
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bool ortho_;
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double polygonOffset_;
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int isolines_;
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bool displaylegend_;
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bool smoothdatamesh_p;
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Qwt3D::ParallelEpiped hull_;
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Qwt3D::ColorLegend legend_;
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Label title_;
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Qwt3D::Tuple titlerel_;
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Qwt3D::ANCHOR titleanchor_;
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// mouse
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QPoint lastMouseMovePosition_;
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bool mpressed_;
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MouseState xrot_mstate_,
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yrot_mstate_,
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zrot_mstate_,
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xscale_mstate_,
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yscale_mstate_,
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zscale_mstate_,
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zoom_mstate_,
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xshift_mstate_,
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yshift_mstate_;
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bool mouse_input_enabled_;
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void setRotationMouse(MouseState bstate, double accel, QPoint diff);
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void setScaleMouse(MouseState bstate, double accel, QPoint diff);
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void setShiftMouse(MouseState bstate, double accel, QPoint diff);
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// keyboard
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bool kpressed_;
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KeyboardState xrot_kstate_[2],
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yrot_kstate_[2],
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zrot_kstate_[2],
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xscale_kstate_[2],
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yscale_kstate_[2],
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zscale_kstate_[2],
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zoom_kstate_[2],
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xshift_kstate_[2],
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yshift_kstate_[2];
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bool kbd_input_enabled_;
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double kbd_rot_speed_, kbd_scale_speed_, kbd_shift_speed_;
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void setRotationKeyboard(KeyboardState kseq, double speed);
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void setScaleKeyboard(KeyboardState kseq, double speed);
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void setShiftKeyboard(KeyboardState kseq, double speed);
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bool lighting_enabled_;
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void applyLight(unsigned idx);
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void applyLights();
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bool initializedGL_;
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bool renderpixmaprequest_;
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};
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} // ns
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#endif
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