Java Text3D类代码示例

import javax.media.j3d.Text3D; //导入依赖的package包/类
/**
 * add a 100 µm scale bar to the BranchGroup
 *
 * @param scene
 *                the BranchGroup
 */
public static void addScaleBarToSceneGraph(TransformGroup scene, Point3f scaleBarPos, float scale) {
    if (scaleBarPos == null) {
        scaleBarPos = new Point3f();
    }

    float barPos = -150.0f * scale;
    float hight = 100.0f * scale;
    //logger.info("scaleBarPos: " + scaleBarPos.toString());
    LineArray la = new LineArray(2, LineArray.COORDINATES | LineArray.COLOR_3);
    //la.setCoordinate(0, new Point3f(scaleBarPos.x + 0.7f, scaleBarPos.y + 0.0f, scaleBarPos.z + 0.9f));
    //la.setCoordinate(1, new Point3f(scaleBarPos.x + 0.7f, scaleBarPos.y + 0.0f, scaleBarPos.z + 1.0f));
    la.setCoordinate(0, new Point3f(barPos, scaleBarPos.y, scaleBarPos.z));
    la.setCoordinate(1, new Point3f(barPos, scaleBarPos.y, scaleBarPos.z + hight));
    for (int i = 0; i < 2; ++i) {
        la.setColor(i, grey);
    }
    scene.addChild(new Shape3D(la));
    Text3D text3d = new Text3D(new Font3D(new Font("plain", java.awt.Font.PLAIN, 1), new FontExtrusion()), "100 µm");
    text3d.setAlignment(Text3D.ALIGN_LAST);
    Shape3D text3dShape3d = new Shape3D(text3d);
    Appearance appearance = new Appearance();
    ColoringAttributes ca = new ColoringAttributes();
    ca.setColor(grey);
    appearance.setColoringAttributes(ca);
    text3dShape3d.setAppearance(appearance);

    TransformGroup tg = new TransformGroup();
    Transform3D t3d = new Transform3D();
    t3d.rotX(Math.PI / 2);
    float textScale = 30f * scale;
    //t3d.setScale(0.025);
    t3d.setScale(textScale);
    t3d.setTranslation(new Vector3f((barPos + (barPos/10.0f)), scaleBarPos.y, scaleBarPos.z + hight/2.0f));
    tg.setTransform(t3d);
    tg.addChild(text3dShape3d);
    scene.addChild(tg);
    // scene.addChild(text3dShape3d);
}
 

import javax.media.j3d.Text3D; //导入依赖的package包/类
public static void addText3D(TransformGroup bg, String text, Vector3f vPos, float scale, Color3f color) {
    Text3D text3d = new Text3D(new Font3D(new Font("plain", java.awt.Font.PLAIN, 1), new FontExtrusion()), text);
    Shape3D text3dShape3d = new Shape3D(text3d); 
    Appearance appearance = new Appearance();

    ColoringAttributes ca = new ColoringAttributes();
    ca.setColor(color);
    appearance.setColoringAttributes(ca);

    TransparencyAttributes myTA = new TransparencyAttributes();
    myTA.setTransparency(0.3f);
    myTA.setTransparencyMode(TransparencyAttributes.NICEST);
    appearance.setTransparencyAttributes(myTA);

    text3dShape3d.setAppearance(appearance);

    TransformGroup tg = new TransformGroup();
    Transform3D t3d = new Transform3D();

    t3d.rotX(Math.PI / 2);
    t3d.setTranslation(vPos);
    t3d.setScale(scale * 15.0f);

    tg.setTransform(t3d);
    tg.addChild(text3dShape3d);
    bg.addChild(tg);
}
 

import javax.media.j3d.Text3D; //导入依赖的package包/类
/**
 * Create a text object for compass point, N S E or W
 * @param text text to display
 * @param locn position at which to display
 * @param font 3d font to use
 * @return Shape3D object
 */
private Shape3D createCompassPoint(String inText, Point3f inLocn, Font3D inFont)
{
	Text3D txt = new Text3D(inFont, inText, inLocn, Text3D.ALIGN_FIRST, Text3D.PATH_RIGHT);
	Material mat = new Material(new Color3f(0.5f, 0.5f, 0.55f),
		new Color3f(0.05f, 0.05f, 0.1f), new Color3f(0.3f, 0.4f, 0.5f),
		new Color3f(0.4f, 0.5f, 0.7f), 70.0f);
	mat.setLightingEnable(true);
	Appearance app = new Appearance();
	app.setMaterial(mat);
	Shape3D shape = new Shape3D(txt, app);
	return shape;
}
 

import javax.media.j3d.Text3D; //导入依赖的package包/类
/**
 * Fonction permettant de créer un label
 * 
 * @param x
 * @param y
 * @param text
 * @param color
 * @param distance distance d'apparition
 * @param textSize taille du texte
 * @return distance à partir de laquelle apparaitra l'objet
 */
private static Group generateLabel(double x, double y, String text,
    Color color, float distance, int textSize) {

  // On prend une font de type Arial
  Font3D f3d = new Font3D(new Font("Arial", Font.PLAIN, 1),
      new FontExtrusion());

  // On crée le texte 3D
  Text3D t = new Text3D(f3d, text, new Point3f(0, 0, 0), Text3D.ALIGN_CENTER,
      Text3D.PATH_RIGHT);

  // On le dimensionne
  Transform3D trans1 = new Transform3D();
  trans1.setScale(new Vector3d(textSize, textSize, textSize / 3));

  TransformGroup tg = new TransformGroup(trans1);

  // On le place au bon endroit
  Transform3D trans = new Transform3D();
  trans.setTranslation(new Vector3d(x, y, 0));
  TransformGroup tg2 = new TransformGroup(trans);

  // On lui applique une apparence
  Appearance ap = Level.generateApparence(color, 1, true);
  Shape3D s = new Shape3D(t, ap);

  // Create the transformgroup used for the billboard
  TransformGroup billBoardGroup = new TransformGroup();
  // Set the access rights to the group
  billBoardGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
  // Add the cube to the group
  billBoardGroup.addChild(s);

  // Gestion du Billboard pour le voir toujours de face
  Billboard myBillboard = new Billboard(billBoardGroup,

  Billboard.ROTATE_ABOUT_POINT, new Vector3f());

  myBillboard.setSchedulingBounds(billBoardGroup.getBounds());

  tg.addChild(billBoardGroup);
  tg.addChild(myBillboard);

  // Création d'un switch permettant de gérer le LOD (disparition lorsque
  // l'objet est trop loin)
  Switch targetSwitch = new Switch();
  targetSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);

  // add visual objects to the target switch
  targetSwitch.addChild(tg);

  BoundingSphere bounds = new BoundingSphere();
  // create DistanceLOD object
  float[] distances = { distance };
  DistanceLOD dLOD = new DistanceLOD(distances);

  dLOD.setSchedulingBounds(bounds);
  dLOD.addSwitch(targetSwitch);

  tg2.addChild(targetSwitch);
  tg2.addChild(dLOD);

  return tg2;
}