Gabriele Cosmo
157 lines
5.8 KiB
C++
157 lines
5.8 KiB
C++
//
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// ********************************************************************
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// * DISCLAIMER *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// ********************************************************************
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//
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//
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// $Id: G4VMarker.hh,v 1.9 2003/06/16 16:55:12 gunter Exp $
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// GEANT4 tag $Name: geant4-07-01 $
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//
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//
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// G4VMarker - base class for markers - circles, squares, etc.
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// John Allison 17/11/96.
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// Class Description:
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// G4VMarkers are 2-dimensional G4VVisPrims with the special
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// properties (a) of always facing the camera and (b) of having the
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// possibility of a size defined in screen units (pixels) or paper
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// units (points - there are 72 points per inch). The convention is
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// that if a world size is not specified, then the marker will be
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// drawn to the given screen size or paper size independent of the
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// viewing transformation in effect.
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//
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// "Size" means "overall size", e.g., diameter of circle, side of
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// square, height of text (but diameter and radius access functions
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// are defined to avoid ambiguity).
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//
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// So the user who constructs the marker decides whether it should be
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// drawn to a given size in world coordinates by setting the world
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// size. Alternatively, the user can set the screen size (internally,
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// the world size is set to zero) and the marker is drawn to its
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// screen size. Finally, the user may decide not to set any size; in
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// that case, it is drawn according to the sizes specified in the
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// default marker specified in G4ViewParameters.
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//
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// Also in G4ViewParameters is a "global marker scale" which is a
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// factor by which all marker sizes are multiplied before drawing.
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//
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// Thus the graphics system driver scene handler code might look like:
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//
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// void G4XXXGraphicsSceneHandler::AddPrimitive (const G4Circle& circle) {
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// G4bool hidden = !(fpView -> GetViewParameters().IsMarkerNotHidden());
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// const G4Colour& colour = GetColour (circle);
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// // Base class GetColour.
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// G4VMarker::FillStyle style = circle.GetFillStyle();
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// const G4Point3D& centre = circle.GetPosition();
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// MarkerSizeType sizeType;
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// G4double size = GetMarkerSize (circle, sizeType);
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// switch (sizeType) {
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// default:
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// case screen:
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// // Draw in screen coordinates.
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// // ...
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// break;
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// case world:
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// // Draw in world coordinates.
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// // ...
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// break;
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// }
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// }
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// Class Description - End:
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#ifndef G4VMARKER_HH
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#define G4VMARKER_HH
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#include "globals.hh"
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#include "G4VVisPrim.hh"
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#include "G4Point3D.hh"
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#include "G4Colour.hh"
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#include "G4Color.hh"
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class G4VMarker: public G4VVisPrim {
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friend std::ostream& operator << (std::ostream& os, const G4VMarker& marker);
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public: // With description
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enum FillStyle {noFill, hashed, filled};
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//////////////////////////////////////////////////////
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// Constructors...
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G4VMarker ();
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G4VMarker (const G4VMarker& marker);
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G4VMarker (const G4Point3D& pos);
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//////////////////////////////////////////////////////
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// Destructor...
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virtual ~G4VMarker ();
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//////////////////////////////////////////////////////
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// Assignment...
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virtual G4Visible& operator = (const G4Visible& right);
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virtual G4VVisPrim& operator = (const G4VVisPrim& right);
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virtual G4VMarker& operator = (const G4VMarker& right);
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//////////////////////////////////////////////////////
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// Logical...
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G4bool operator != (const G4VMarker&) const;
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/////////////////////////////////////////////////////
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// Get functions...
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G4Point3D GetPosition () const;
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G4double GetWorldSize () const;
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G4double GetWorldDiameter () const;
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G4double GetWorldRadius () const;
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G4double GetScreenSize () const;
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G4double GetScreenDiameter () const;
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G4double GetScreenRadius () const;
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FillStyle GetFillStyle () const;
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/////////////////////////////////////////////////////
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// Set functions...
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void SetPosition (const G4Point3D&);
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void SetWorldSize (G4double);
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void SetWorldDiameter (G4double);
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void SetWorldRadius (G4double);
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void SetScreenSize (G4double);
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void SetScreenDiameter (G4double);
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void SetScreenRadius (G4double);
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void SetFillStyle (FillStyle);
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// Access functions to the string for user customizable information
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virtual const G4String& GetInfo() const;
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virtual void SetInfo( const G4String& info );
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private:
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G4Point3D fPosition;
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G4double fWorldSize; // Default 0. means use screen size.
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G4double fScreenSize; // Default 0. means use global default.
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FillStyle fFillStyle;
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// String for user customizable information
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G4String fInfo ;
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};
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#include "G4VMarker.icc"
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#endif
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