jvx.numeric

Class PnVertexRK

java.lang.Object

jv.object.PsObject

jvx.numeric.PnGeodesicRK

jvx.numeric.PnVertexRK

All Implemented Interfaces:

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

public class PnVertexRK
extends PnGeodesicRK

Discrete Runge-Kutta solver on triangular element sets for integration of a vertex-based vector field. Element set must be triangulated.

See Also:

Serialized Form

Version:

22.01.03, 1.40 revised (ep) Inversion of the direction of integration added.
30.05.02, 1.30 revised (ep) Removed bug with array size.
24.07.01, 1.20 revised (ep) Minor optimization.
18.09.00, 1.10 revised (ep) Added method setVectorField(PgVectorField).
21.11.99, 1.00 created (ep)

Field Summary

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
PnVertexRK(PgElementSet geom)

Method Summary

Modifier and Type	Method and Description
void	eval(int elemInd, PdBary bary, PdBaryDir out) Returns barycentric interpolation between vectors at vertices.
void	setVectorField(PdBaryDir[][] vec) Set intrinsic vector field given at vertices.
void	setVectorField(PgVectorField vec) Set intrinsic vector field as projection of extrinsic vector field given at vertices.

Methods inherited from class jvx.numeric.PnGeodesicRK

eval, getInvertDirection, getStepLength, nextStep, prepareSolve, setFirstOrder, setFourthOrder, setGeometry, setInvertDirection, solve, solve, solve

Methods inherited from class jv.object.PsObject

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

Methods inherited from class java.lang.Object

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

Constructor Detail

PnVertexRK

public PnVertexRK(PgElementSet geom)

Parameters:

geom - underlying triangulation

Method Detail

setVectorField

public void setVectorField(PdBaryDir[][] vec)

Set intrinsic vector field given at vertices.

Parameters:

vec - [elementindex][localvertexindex]

setVectorField

public void setVectorField(PgVectorField vec)

Set intrinsic vector field as projection of extrinsic vector field given at vertices.

Parameters:

vec - vector field in adjacent space

See Also:

PgVectorField

Version:

06.08.05, 1.10 revised (kp) Style adjusted.
18.09.00, 1.00 created (ep)

eval

public void eval(int elemInd,
                 PdBary bary,
                 PdBaryDir out)

Returns barycentric interpolation between vectors at vertices.

Specified by:

eval in class PnGeodesicRK

Parameters:

elemInd - element in which the vector field will be evaluated

bary - barycentric coordinates of the point in which the vector field will be evaluated

out - output: in this PdBaryDir the evaluated direction will be stored

See Also:

PnElementRK.eval(int, jv.vecmath.PdBary, jv.vecmath.PdBaryDir), eval(int, jv.vecmath.PdBary, jv.vecmath.PdBaryDir), PnTranslationRK.eval(int, jv.vecmath.PdBary, jv.vecmath.PdBaryDir)

Version:

06.08.05, 1.10 revised (kp) Code improved.