Jcg.viewer.j3d

Class MeshViewer

java.lang.Object

java.awt.Component

java.awt.Container

java.awt.Panel

java.applet.Applet

Jcg.viewer.j3d.MeshViewer

All Implemented Interfaces:

java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, javax.accessibility.Accessible

public class MeshViewer
extends java.applet.Applet

Author:

Luca Castelli Aleardi (Ecole Polytechnique, INF562, 2013) A class for rendering geometric objects and meshes in 3D (with Java3D library)

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.Component

java.awt.Component.BaselineResizeBehavior

Field Summary

Fields

Modifier and Type	Field and Description
java.util.Collection<TriangulationDSCell_3<Point_3>>	cellsCollection A field in which to store collections of 3D triangulation cells to be shown in the scene.
Delaunay_3	del3D
boolean	drawTriangleEdges
java.awt.Color[]	edgeColors
int[][]	edges
java.awt.Color[]	faceColors
java.util.Collection<FacetHandle<Point_3>>	facetsCollection A field in which to store collections of 3D triangulation facets to be shown in the scene.
java.util.ArrayList<Point_3>	graphEdges
SharedVertexRepresentation	meshes
SharedVertexRepresentation	mTrans
Point_3[]	points
java.util.Collection<Point_3>	pointsCollection A field in which to store collections of points to be shown in the scene.
java.awt.Color[]	pointsColor
Polyhedron_3<Point_3>	polyhedron
double	scaleFactor
java.util.Collection<Segment_3>	segmentsCollection A field in which to store collections of segments to be shown in the scene.
java.util.Collection<Triangle_3>	trianglesCollection A field in which to store collections of triangles to be shown in the scene.
TriangulationDS_3<Point_3>	triangulation3D

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

Constructors

Constructor and Description
MeshViewer() creates a 3D viewer with an empty scene.
MeshViewer(java.util.Collection<Point_3> points) creates a 3D viewer showing a point cloud in 3D.
MeshViewer(java.util.Collection<Point_3> points, java.awt.Color[] colors) creates a 3D viewer showing a point cloud (with colors) in 3D.
MeshViewer(Delaunay_3 del, boolean wired) creates a 3D viewer showing a 3D Delaunay triangulation: the triangulation is drawn in wireframe when the flag wired is set to true, and in plain facets otherwise.
MeshViewer(Point_3[] points, int[][] edges) creates a 3D viewer showing a collection of edges.
MeshViewer(Point_3[] points, int[][] edges, java.awt.Color[] colors) creates a 3D viewer showing a collection of colored edges.
MeshViewer(Polyhedron_3<Point_3> polyhedron) creates a 3D viewer showing a polyhedron.
MeshViewer(Polyhedron_3<Point_3> mesh, Point_3[] points, int[][] edges, java.awt.Color[] colors) creates a 3D viewer showing a collection of colored edges.
MeshViewer(SharedVertexRepresentation mr) creates a 3D viewer showing a mesh representation.
MeshViewer(SharedVertexRepresentation mr, boolean trans) creates a 3D viewer showing a transparent mesh representation.
MeshViewer(java.lang.String filename) creates a 3D viewer showing a polyhedral surface stored in a file.
MeshViewer(TriangulationDS_2<Point_3> mesh) creates a 3D viewer showing a Triangle mesh.
MeshViewer(TriangulationDS_3<Point_3> triangulation3D) creates a 3D viewer showing a 3D triangulation.

Method Summary

Modifier and Type	Method and Description
void	add3DCells(javax.media.j3d.TransformGroup objTrans, javax.media.j3d.Appearance ap, java.util.Collection<TriangulationDSCell_3<Point_3>> cells, java.awt.Color[] color) Draw a 3D volume mesh (a set of tetrahedra in R3)
void	addColoredEdges(javax.media.j3d.TransformGroup objTrans, javax.media.j3d.Appearance ap, Point_3[] points, int[][] edges, java.awt.Color[] colors) Draw a set of colored edges in 3D (for example, as the 1-skeleton of a polyhedron)
void	addEdges(javax.media.j3d.TransformGroup objTrans, javax.media.j3d.Appearance ap, Delaunay_3 del) Draw a 3D volume mesh (a set of tetrahedra in R3)
void	addEdgesOnly(javax.media.j3d.TransformGroup objTrans, javax.media.j3d.Appearance ap, Point_3[] points, int[][] edges, java.awt.Color color) Draw a set of edges in 3D (for example, as the 1-skeleton of a polyhedron)
void	addFacets(javax.media.j3d.TransformGroup objTrans, javax.media.j3d.Appearance ap, java.util.Collection<FacetHandle<Point_3>> facets, java.awt.Color[] colors) Draws a triangle soup in 3D represented as a collection of facet handles in a triangulation
void	addFacets(javax.media.j3d.TransformGroup objTrans, javax.media.j3d.Appearance ap, Delaunay_3 del) Draws the facets of a 3D Delaunay triangulation
void	addPoints(javax.media.j3d.TransformGroup objTrans, javax.media.j3d.Appearance ap, java.util.Collection<Point_3> points, java.awt.Color[] color) Draws a point cloud in 3D
void	addPolygonFacet(javax.media.j3d.TransformGroup objTrans, javax.media.j3d.Appearance ap, Point_3[] points, java.awt.Color color) Draw a polygonal face
void	addPolygonFacets(javax.media.j3d.TransformGroup objTrans, javax.media.j3d.Appearance ap, Point_3[] points, int[][] faces, java.awt.Color[] color) Draw a set of polygon facets
void	addSegments(javax.media.j3d.TransformGroup objTrans, javax.media.j3d.Appearance ap, java.util.Collection<Segment_3> segments, java.awt.Color color) Draws a segment soup in 3D
void	addTriangleFacet(javax.media.j3d.TransformGroup objTrans, javax.media.j3d.Appearance ap, Point_3[] points, java.awt.Color color) Draw a triangle face
void	addTriangles(javax.media.j3d.TransformGroup objTrans, javax.media.j3d.Appearance ap, java.util.Collection<Triangle_3> triangles, java.awt.Color[] color) Draws a triangle soup in 3D
double[]	boundingBox(java.util.Collection<Point_3> points) Compute a bounding box of the input points (from a Collection)
double[]	boundingBox(Point_3[] points) Compute a bounding box of the input points (from an Array)
double	computeScaleFactor(java.util.Collection<Point_3> points) Compute the scale factor in order to adjust the 3D view (from a Collection)
double	computeScaleFactor(Point_3[] points) Compute the scale factor in order to adjust the 3D view
javax.media.j3d.BranchGroup	createSceneGraph() Create and initialize the scene graph
void	destroy()
void	drawBoundingBox(javax.media.j3d.TransformGroup objTrans, java.util.Collection<Point_3> points) Draw x, y and z axis
void	init()
static void	main(java.lang.String[] argv)
void	renderTriangleMesh(javax.media.j3d.TransformGroup objTrans, javax.media.j3d.Appearance ap, Point_3[] points, int[][] faces, java.awt.Color[] color) Render the set of triangle facets of a surface mesh (the input is a shared vertex representation)
void	update()

Methods inherited from class java.applet.Applet

getAccessibleContext, getAppletContext, getAppletInfo, getAudioClip, getAudioClip, getCodeBase, getDocumentBase, getImage, getImage, getLocale, getParameter, getParameterInfo, isActive, isValidateRoot, newAudioClip, play, play, resize, resize, setStub, showStatus, start, stop

Methods inherited from class java.awt.Panel

addNotify

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getInsets, getLayout, getListeners, getMaximumSize, getMinimumSize, getMousePosition, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paint, paintComponents, preferredSize, print, printComponents, remove, remove, removeAll, removeContainerListener, removeNotify, setComponentZOrder, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setFont, setLayout, transferFocusDownCycle, update, validate

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, dispatchEvent, enable, enable, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBaseline, getBaselineResizeBehavior, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, printAll, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocusInWindow, reshape, revalidate, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setMaximumSize, setMinimumSize, setName, setPreferredSize, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

graphEdges

public java.util.ArrayList<Point_3> graphEdges

polyhedron

public Polyhedron_3<Point_3> polyhedron

triangulation3D

public TriangulationDS_3<Point_3> triangulation3D

del3D

public Delaunay_3 del3D

meshes

public SharedVertexRepresentation meshes

mTrans

public SharedVertexRepresentation mTrans

cellsCollection

public java.util.Collection<TriangulationDSCell_3<Point_3>> cellsCollection

A field in which to store collections of 3D triangulation cells to be shown in the scene.

facetsCollection

public java.util.Collection<FacetHandle<Point_3>> facetsCollection

A field in which to store collections of 3D triangulation facets to be shown in the scene.

trianglesCollection

public java.util.Collection<Triangle_3> trianglesCollection

A field in which to store collections of triangles to be shown in the scene.

drawTriangleEdges

public boolean drawTriangleEdges

segmentsCollection

public java.util.Collection<Segment_3> segmentsCollection

A field in which to store collections of segments to be shown in the scene.

pointsCollection

public java.util.Collection<Point_3> pointsCollection

A field in which to store collections of points to be shown in the scene.

pointsColor

public java.awt.Color[] pointsColor

edges

public int[][] edges

edgeColors

public java.awt.Color[] edgeColors

faceColors

public java.awt.Color[] faceColors

points

public Point_3[] points

scaleFactor

public double scaleFactor

Constructor Detail

MeshViewer

public MeshViewer()

creates a 3D viewer with an empty scene.

MeshViewer

public MeshViewer(SharedVertexRepresentation mr)

creates a 3D viewer showing a mesh representation.

MeshViewer

public MeshViewer(SharedVertexRepresentation mr,
                  boolean trans)

creates a 3D viewer showing a transparent mesh representation.

MeshViewer

public MeshViewer(java.lang.String filename)

creates a 3D viewer showing a polyhedral surface stored in a file.

MeshViewer

public MeshViewer(Polyhedron_3<Point_3> polyhedron)

creates a 3D viewer showing a polyhedron.

MeshViewer

public MeshViewer(TriangulationDS_2<Point_3> mesh)

creates a 3D viewer showing a Triangle mesh.

MeshViewer

public MeshViewer(TriangulationDS_3<Point_3> triangulation3D)

creates a 3D viewer showing a 3D triangulation.

MeshViewer

public MeshViewer(Delaunay_3 del,
                  boolean wired)

creates a 3D viewer showing a 3D Delaunay triangulation: the triangulation is drawn in wireframe when the flag wired is set to true, and in plain facets otherwise.

MeshViewer

public MeshViewer(Point_3[] points,
                  int[][] edges)

creates a 3D viewer showing a collection of edges.

MeshViewer

public MeshViewer(Point_3[] points,
                  int[][] edges,
                  java.awt.Color[] colors)

creates a 3D viewer showing a collection of colored edges.

MeshViewer

public MeshViewer(Polyhedron_3<Point_3> mesh,
                  Point_3[] points,
                  int[][] edges,
                  java.awt.Color[] colors)

creates a 3D viewer showing a collection of colored edges.

MeshViewer

public MeshViewer(java.util.Collection<Point_3> points)

creates a 3D viewer showing a point cloud in 3D.

MeshViewer

public MeshViewer(java.util.Collection<Point_3> points,
                  java.awt.Color[] colors)

creates a 3D viewer showing a point cloud (with colors) in 3D.

Method Detail

createSceneGraph

public javax.media.j3d.BranchGroup createSceneGraph()

Create and initialize the scene graph

boundingBox

public double[] boundingBox(Point_3[] points)

Compute a bounding box of the input points (from an Array)

boundingBox

public double[] boundingBox(java.util.Collection<Point_3> points)

Compute a bounding box of the input points (from a Collection)

computeScaleFactor

public double computeScaleFactor(java.util.Collection<Point_3> points)

Compute the scale factor in order to adjust the 3D view (from a Collection)

computeScaleFactor

public double computeScaleFactor(Point_3[] points)

Compute the scale factor in order to adjust the 3D view

drawBoundingBox

public void drawBoundingBox(javax.media.j3d.TransformGroup objTrans,
                            java.util.Collection<Point_3> points)

Draw x, y and z axis

addTriangleFacet

public void addTriangleFacet(javax.media.j3d.TransformGroup objTrans,
                             javax.media.j3d.Appearance ap,
                             Point_3[] points,
                             java.awt.Color color)

Draw a triangle face

addPolygonFacet

public void addPolygonFacet(javax.media.j3d.TransformGroup objTrans,
                            javax.media.j3d.Appearance ap,
                            Point_3[] points,
                            java.awt.Color color)

Draw a polygonal face

add3DCells

public void add3DCells(javax.media.j3d.TransformGroup objTrans,
                       javax.media.j3d.Appearance ap,
                       java.util.Collection<TriangulationDSCell_3<Point_3>> cells,
                       java.awt.Color[] color)

Draw a 3D volume mesh (a set of tetrahedra in R3)

addPolygonFacets

public void addPolygonFacets(javax.media.j3d.TransformGroup objTrans,
                             javax.media.j3d.Appearance ap,
                             Point_3[] points,
                             int[][] faces,
                             java.awt.Color[] color)

Draw a set of polygon facets

addEdges

public void addEdges(javax.media.j3d.TransformGroup objTrans,
                     javax.media.j3d.Appearance ap,
                     Delaunay_3 del)

Draw a 3D volume mesh (a set of tetrahedra in R3)

addFacets

public void addFacets(javax.media.j3d.TransformGroup objTrans,
                      javax.media.j3d.Appearance ap,
                      Delaunay_3 del)

Draws the facets of a 3D Delaunay triangulation

addFacets

public void addFacets(javax.media.j3d.TransformGroup objTrans,
                      javax.media.j3d.Appearance ap,
                      java.util.Collection<FacetHandle<Point_3>> facets,
                      java.awt.Color[] colors)

Draws a triangle soup in 3D represented as a collection of facet handles in a triangulation

addTriangles

public void addTriangles(javax.media.j3d.TransformGroup objTrans,
                         javax.media.j3d.Appearance ap,
                         java.util.Collection<Triangle_3> triangles,
                         java.awt.Color[] color)

Draws a triangle soup in 3D

renderTriangleMesh

public void renderTriangleMesh(javax.media.j3d.TransformGroup objTrans,
                               javax.media.j3d.Appearance ap,
                               Point_3[] points,
                               int[][] faces,
                               java.awt.Color[] color)

Render the set of triangle facets of a surface mesh (the input is a shared vertex representation)

addEdgesOnly

public void addEdgesOnly(javax.media.j3d.TransformGroup objTrans,
                         javax.media.j3d.Appearance ap,
                         Point_3[] points,
                         int[][] edges,
                         java.awt.Color color)

Draw a set of edges in 3D (for example, as the 1-skeleton of a polyhedron)

addColoredEdges

public void addColoredEdges(javax.media.j3d.TransformGroup objTrans,
                            javax.media.j3d.Appearance ap,
                            Point_3[] points,
                            int[][] edges,
                            java.awt.Color[] colors)

Draw a set of colored edges in 3D (for example, as the 1-skeleton of a polyhedron)

addSegments

public void addSegments(javax.media.j3d.TransformGroup objTrans,
                        javax.media.j3d.Appearance ap,
                        java.util.Collection<Segment_3> segments,
                        java.awt.Color color)

Draws a segment soup in 3D

addPoints

public void addPoints(javax.media.j3d.TransformGroup objTrans,
                      javax.media.j3d.Appearance ap,
                      java.util.Collection<Point_3> points,
                      java.awt.Color[] color)

Draws a point cloud in 3D

init

public void init()

Overrides:

init in class java.applet.Applet

destroy

public void destroy()

Overrides:

destroy in class java.applet.Applet

update

public void update()

main

public static void main(java.lang.String[] argv)