G4Scale.hh

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// $Id: G4Scale.hh 83392 2014-08-21 14:36:35Z gcosmo $
//
// 
// John Allison  21st July 2001.

#ifndef G4SCALE_HH
#define G4SCALE_HH

#include "G4VMarker.hh"
#include "globals.hh"

class G4Scale: public G4VMarker {

public: // With description

  enum Direction {x, y, z};

  G4Scale (G4double length, const G4String& annotation = "",
           Direction direction = x,
           G4bool autoPlacing = true,
           G4double xmid = 0., G4double ymid = 0., G4double zmid = 0.,
           G4double annotationSize = 12.);
  // This creates a representation of annotated line in the specified
  // direction with tick marks at the end.  If autoPlacing is true it
  // is required to be centred at the front, right, bottom corner of
  // the world space, comfortably outside the existing bounding
  // box/sphere so that existing objects do not obscure it.  Otherwise
  // it is required to be drawn with mid-point at (xmid, ymid, zmid).
  // Annotation size is size of text labels in pixels.
  //
  // The auto placing algorithm might be:
  //   x = xmin + (1 + comfort) * (xmax - xmin)
  //   y = ymin - comfort * (ymax - ymin)
  //   z = zmin + (1 + comfort) * (zmax - zmin)
  //   if direction == x then (x - length,y,z) to (x,y,z)
  //   if direction == y then (x,y,z) to (x,y + length,z)
  //   if direction == z then (x,y,z - length) to (x,y,z)

  // Uses compiler-generated copy constructor.

  ~G4Scale ();

  G4double        GetLength() const;
  const G4String& GetAnnotation() const;
  G4double        GetAnnotationSize() const;
  Direction       GetDirection() const;
  G4bool          GetAutoPlacing() const;
  G4double        GetXmid() const;
  G4double        GetYmid() const;
  G4double        GetZmid() const;

  static const G4String& GetGuidanceString();

private:

  G4double fLength;
  G4String fAnnotation;
  G4double fAnnotationSize;
  Direction fDirection;
  G4bool fAutoPlacing;
  G4double fXmid, fYmid, fZmid;
  static const G4String GuidanceString;
};

#include "G4Scale.icc"

#endif