vgp.curve.closedpoly

Class PjClosedPoly

java.lang.Object

jv.object.PsObject

jv.project.PjProject

vgp.curve.closedpoly.PjClosedPoly

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, PsTimeListenerIf, PsUpdateIf, PvPickListenerIf

public class PjClosedPoly
extends PjProject

Study closed polygonal curves under motion of selected vertices. Length of polygon edges is kept when vertices are dragged.

See Also:

Serialized Form

Author:

Eike Preuß

Version:

03.02.00, 1.00 created (ep)

Field Summary

Fields

Modifier and Type	Field and Description
static int	MODE_GLOBAL
static int	MODE_LOCAL
static int	MODE_MIRROR

Fields inherited from class jv.object.PsObject

HAS_BOUNDARY_PANEL, HAS_CONFIG_PANEL, HAS_INFO_PANEL, HAS_LABEL_PANEL, HAS_MATERIAL_PANEL, HAS_TEXTURE_PANEL, HAS_VECTOR_PANEL, INSPECTOR_INFO, INSPECTOR_INFO_EXT, IS_DELETED, IS_FIXED, IS_FOCUSSED, IS_PICKED, IS_SELECTED, IS_USED, NUM_TAGS

Constructor Summary

Constructors

Constructor and Description
PjClosedPoly()

Method Summary

Modifier and Type	Method and Description
void	computeNGon(int numPoints, PgPolygon out)
void	dragVertex(PgGeometryIf geom, int index, PdVector vertex) Drag a picked vertex of a geometry.
boolean	getNearestSupplement(PdVector first, PdVector second, PdVector reference)
PgPolygon	getPolygon()
void	globalTransformation(int vertex, PdVector newPos, PgPolygon out)
void	init() Initialize and reset project, stops the running animation if any.
void	localTransformation(int vertex, PdVector newPos, PgPolygon out)
void	mirrorVertex(int vertex, PgPolygon out)
void	pickVertex(PgGeometryIf geom, int index, PdVector vertex) Get a picked vertex of a geometry.
void	setMode(int mode)
void	start() Method is invoked during loading of a project in JavaView.
void	traktrix(PdVector p1, PdVector p2, PdVector v, PdVector out)
boolean	traktrixAll(int vertex, PdVector newPos, PdVector[] vert, PdVector[] orig)
boolean	update(java.lang.Object event) Update the class whenever a child has changed.

Methods inherited from class jv.project.PjProject

addDisplay, addGeometry, addGeometry, dispose, dragDisplay, dragInitial, fitDisplays, getAnimation, getDisplay, getDisplays, getGeometry, getGeometry, getNumGeometries, getParameter, getParameterInfo, getViewer, hasAnimation, hasDisplay, isEnabledAutoFit, markVertices, pickDisplay, pickInitial, removeDisplay, removeGeometries, removeGeometry, selectDisplay, selectGeometry, setAnimation, setBackColor, setBorderType, setDisplay, setEnabledAutoFit, setGeometry, setParameterInfo, setTime, setViewer, stop, unmarkVertices

Methods inherited from class jv.object.PsObject

addInspector, addUpdateListener, assureInspector, clearTag, clone, clone, clone, copy, getFather, getInfoPanel, getInspector, getName, getNumObjects, getSymbol, hasInspector, hasTag, hasUpdateListener, instanceOf, instanceOf, newInspector, newInspector, removeInspector, removeInspector, removeUpdateListener, setName, setParent, setSymbol, setTag, toString, updatePanels

Methods inherited from class java.lang.Object

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

Methods inherited from interface jv.anim.PsTimeListenerIf

getName

Methods inherited from interface jv.project.PvPickListenerIf

getName

Field Detail

MODE_MIRROR

public static final int MODE_MIRROR

See Also:

Constant Field Values

MODE_LOCAL

public static final int MODE_LOCAL

See Also:

Constant Field Values

MODE_GLOBAL

public static final int MODE_GLOBAL

See Also:

Constant Field Values

Constructor Detail

PjClosedPoly

public PjClosedPoly()

Method Detail

init

public void init()

Description copied from class: PjProject

Initialize and reset project, stops the running animation if any. Does not reset any registered display nor geometry. They must be reset individually in each subclass.

Overrides:

init in class PjProject

start

public void start()

Description copied from class: PjProject

Method is invoked during loading of a project in JavaView.

If a project has an animation object, then the animation panel is shown when the project's this start() method is invoked during loading of the project. Use setAnimation(PsAnimation) to register an animation.

If auto fit is enabled then scenery is scaled to fit in each display.

Overrides:

start in class PjProject

See Also:

PvViewerIf.start(), PjProject.isEnabledAutoFit()

update

public boolean update(java.lang.Object event)

Update the class whenever a child has changed. Method is usually invoked from the children.

Specified by:

update in interface PsUpdateIf

Overrides:

update in class PsObject

Parameters:

event - carries a lot of information

Returns:

true if event has been handled, otherwise false

See Also:

PsObject.setParent(PsUpdateIf), PsObject.getFather(), PsObject.addUpdateListener(PsUpdateIf)

computeNGon

public void computeNGon(int numPoints,
                        PgPolygon out)

mirrorVertex

public void mirrorVertex(int vertex,
                         PgPolygon out)

localTransformation

public void localTransformation(int vertex,
                                PdVector newPos,
                                PgPolygon out)

getNearestSupplement

public boolean getNearestSupplement(PdVector first,
                                    PdVector second,
                                    PdVector reference)

Parameters:

reference - input/output, here the calculated vector is saved

globalTransformation

public void globalTransformation(int vertex,
                                 PdVector newPos,
                                 PgPolygon out)

traktrixAll

public boolean traktrixAll(int vertex,
                           PdVector newPos,
                           PdVector[] vert,
                           PdVector[] orig)

traktrix

public void traktrix(PdVector p1,
                     PdVector p2,
                     PdVector v,
                     PdVector out)

Parameters:

v - acceleration vector of p1

pickVertex

public void pickVertex(PgGeometryIf geom,
                       int index,
                       PdVector vertex)

Description copied from class: PjProject

Get a picked vertex of a geometry. This method does nothing and must be overwritten.

Specified by:

pickVertex in interface PvPickListenerIf

Overrides:

pickVertex in class PjProject

Parameters:

geom - Picked geometry on which vertex lies

index - Index of vertex in vertex array of geometry

vertex - 3d coordinates of vertex position

See Also:

PvPickListenerIf

dragVertex

public void dragVertex(PgGeometryIf geom,
                       int index,
                       PdVector vertex)

Description copied from class: PjProject

Drag a picked vertex of a geometry. This method invokes pickVertex(PgGeometryIf, int, PdVector) and should be overwritten.

Specified by:

dragVertex in interface PvPickListenerIf

Overrides:

dragVertex in class PjProject

Parameters:

geom - Picked geometry on which vertex lies

index - Index of vertex in vertex array of geometry

vertex - 3d coordinates of vertex position

See Also:

PvPickListenerIf

setMode

public void setMode(int mode)

getPolygon

public PgPolygon getPolygon()