G4AxesModel.cc

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// $Id$
//
// 
// John Allison  3rd April 2001
// Model which knows how to draw axes.

#include "G4AxesModel.hh"

#include "G4ModelingParameters.hh"
#include "G4VGraphicsScene.hh"
#include "G4VisAttributes.hh"
#include "G4Polyline.hh"
#include "G4Colour.hh"
#include "G4UnitsTable.hh"
#include "G4ArrowModel.hh"
#include "G4TextModel.hh"

G4AxesModel::~G4AxesModel () {}

G4AxesModel::G4AxesModel
(G4double x0, G4double y0, G4double z0, G4double length,
 G4double arrowWidth,
 const G4String& colourString,
 const G4String& description,
 G4bool withAnnotation):
  fXAxisModel(0),
  fXLabelModel(0),
  fXAnnotationModel(0),
  fYAxisModel(0),
  fYLabelModel(0),
  fYAnnotationModel(0),
  fZAxisModel(0),
  fZLabelModel(0),
  fZAnnotationModel(0)
{
  fType = "G4AxesModel";
  fGlobalTag = fType;
  fGlobalDescription = fType + ": " + description;
  fExtent = G4VisExtent
    (x0, x0+length, y0, y0+length, z0, z0+length);

  G4Colour colour(1,1,1,1);  // Default white and opaque (unless "auto").
  G4bool autoColour = false;
  if (colourString == "auto") autoColour = true;
  else {
    if (!G4Colour::GetColour(colourString, colour)) {
      G4ExceptionDescription ed;
      ed << "Colour \"" << colourString
     << "\" not found.  Defaulting to white and opaque.";
      G4Exception
    ("G4AxesModel::G4AxesModel",
     "modeling0012", JustWarning, ed);
    }
  }

  G4String annotation = G4BestUnit(length,"Length");

  G4Text* text = 0;
  G4VisAttributes* va = 0;

  G4Colour xColour(colour);
  if (autoColour) xColour = G4Colour::Red();
  fXAxisModel = new G4ArrowModel
    (x0, y0, z0, x0+length, y0, z0, arrowWidth,
     xColour, "x-axis: " + description);
  if (withAnnotation) {
    text = new G4Text("x",G4Point3D(x0+1.05*length, y0, z0));
    text->SetScreenSize(10.);
    text->SetLayout(G4Text::centre);
    va = new G4VisAttributes(xColour);
    text->SetVisAttributes(va);
    fXLabelModel = new G4TextModel(*text);
    text = new G4Text(annotation,G4Point3D(x0+0.8*length, y0, z0));
    text->SetScreenSize(10.);
    text->SetOffset(5.,5.);
    text->SetLayout(G4Text::centre);
    va = new G4VisAttributes(xColour);
    text->SetVisAttributes(va);
    fXAnnotationModel = new G4TextModel(*text);
  }

  G4Colour yColour(colour);
  if (autoColour) yColour = G4Colour::Green();
  fYAxisModel = new G4ArrowModel
    (x0, y0, z0, x0, y0+length, z0, arrowWidth,
     yColour, "y-axis: " + description);
  if (withAnnotation) {
    text = new G4Text("y",G4Point3D(x0, y0+1.05*length, z0));
    text->SetScreenSize(10.);
    text->SetLayout(G4Text::centre);
    va = new G4VisAttributes(yColour);
    text->SetVisAttributes(va);
    fYLabelModel = new G4TextModel(*text);
    text = new G4Text(annotation,G4Point3D(x0, y0+0.8*length, z0));
    text->SetScreenSize(10.);
    text->SetOffset(5.,5.);
    text->SetLayout(G4Text::centre);
    va = new G4VisAttributes(yColour);
    text->SetVisAttributes(va);
    fYAnnotationModel = new G4TextModel(*text);
  }

  G4Colour zColour(colour);
  if (autoColour) zColour = G4Colour::Blue();
  fZAxisModel = new G4ArrowModel
    (x0, y0, z0, x0, y0, z0+length, arrowWidth,
     zColour, "z-axis: " + description);
  if (withAnnotation) {
    text = new G4Text("z",G4Point3D(x0, y0, z0+1.05*length));
    text->SetScreenSize(10.);
    text->SetLayout(G4Text::centre);
    va = new G4VisAttributes(zColour);
    text->SetVisAttributes(va);
    fZLabelModel = new G4TextModel(*text);
    text = new G4Text(annotation,G4Point3D(x0, y0, z0+0.8*length));
    text->SetScreenSize(10.);
    text->SetOffset(5.,5.);
    text->SetLayout(G4Text::centre);
    va = new G4VisAttributes(zColour);
    text->SetVisAttributes(va);
    fZAnnotationModel = new G4TextModel(*text);
  }
}

void G4AxesModel::DescribeYourselfTo (G4VGraphicsScene& sceneHandler)
{
  if (fXAxisModel)       fXAxisModel->DescribeYourselfTo(sceneHandler);
  if (fXLabelModel)      fXLabelModel->DescribeYourselfTo(sceneHandler);
  if (fXAnnotationModel) fXAnnotationModel->DescribeYourselfTo(sceneHandler);
  if (fYAxisModel)       fYAxisModel->DescribeYourselfTo(sceneHandler);
  if (fYLabelModel)      fYLabelModel->DescribeYourselfTo(sceneHandler);
  if (fYAnnotationModel) fYAnnotationModel->DescribeYourselfTo(sceneHandler);
  if (fZAxisModel)       fZAxisModel->DescribeYourselfTo(sceneHandler);
  if (fZLabelModel)      fZLabelModel->DescribeYourselfTo(sceneHandler);
  if (fZAnnotationModel) fZAnnotationModel->DescribeYourselfTo(sceneHandler);
}