jvx.numeric
Class PnVertexRK

java.lang.Object
  |
  +--jv.object.PsObject
        |
        +--jvx.numeric.PnGeodesicRK
              |
              +--jvx.numeric.PnVertexRK

All Implemented Interfaces:

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

public class PnVertexRK

extends PnGeodesicRK

Discret Runge-Kutta method on ElementSets. Vector field is given at vertices. ElementSet must be triangulated.

Version:

18.09.00, 1.10 revised (ep) added method setVectorField(PgVectorField).
21.11.99, 1.00 created (ep)

See Also:

Serialized Form

Field Summary

protected PdBaryDir[][]

m_vec Intrinsic vector field given at vertices [elementindex][localvertexindex].

Fields inherited from class jvx.numeric.PnGeodesicRK

m_fast, m_geom, m_lastLength, m_outpoly

Fields inherited from class jv.object.PsObject

HAS_CONFIG_PANEL, HAS_INFO_PANEL, HAS_MATERIAL_PANEL, INSPECTOR_INFO, INSPECTOR_INFO_EXT, IS_DELETED, IS_FIXED, IS_SELECTED, IS_USED, m_infoPanel, m_name, m_panelList, m_parent, m_tag, m_updateList, NUM_TAGS

Constructor Summary

PnVertexRK(PgElementSet geom)

Method Summary

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

getStepLength, getStepPolygon, nextStep, prepareSolve, rungeKutta, setFirstOrder, setFourthOrder, setGeometry, solve

Methods inherited from class jv.object.PsObject

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

Methods inherited from class java.lang.Object

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

Field Detail

m_vec

protected PdBaryDir[][] m_vec

Intrinsic vector field given at vertices [elementindex][localvertexindex].

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

eval

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

Returns barycentric interpolation between vectors at vertices.

Overrides:

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