visad

Class TrajectoryManager

java.lang.Object

visad.TrajectoryManager

public class TrajectoryManager
extends java.lang.Object

Author:

rink

Field Summary

Fields

Modifier and Type	Field and Description
static int	CYLINDER
static int	DEFORM_RIBBON
static boolean	doStartOffset
static int	LINE
static int[]	o_i
static int[]	o_j
static int	POINT
static java.lang.String	PPOP_TRAJECTORY_START_POINTS_FILE
static java.lang.String	PPOP_TRAJECTORY_START_POINTS_FILE_1
static java.lang.String	PPOP_TRAJECTORY_START_POINTS_FILE_2
static java.lang.String	PROP_TRAJECTORY_PARAM_FILE_1
static java.lang.String	PROP_TRAJECTORY_PARAM_FILE_2
static java.lang.String	PROP_TRAJECTORY_TERRAIN_FILE
static java.util.HashMap<ScalarMap,ScalarMapListener>	removeListeners
static int	RIBBON
static java.util.HashMap<FlowControl,ControlListener>	scaleChangeListeners
static int	TRACER
static int	TRACER_POINT
FieldImpl	tracerLocations

Constructor Summary

Constructors

Constructor and Description
TrajectoryManager(DataRenderer renderer, TrajectoryParams trajParams, java.util.ArrayList<FlowInfo> flowInfoList, int dataDomainLength, double time)
TrajectoryManager(DataRenderer renderer, TrajectoryParams trajParams, java.util.ArrayList<FlowInfo> flowInfoList, int dataDomainLength, double time, ScalarMap altToZ, CoordinateSystem dspCoordSys, Gridded1DSet anim1DdomainSet)

Method Summary

Methods

Modifier and Type	Method and Description
void	addPair(float[] startPt, float[] stopPt, byte[] startColor, byte[] stopColor)
static float	AdotB(float[] A, float[] B)
static float[]	AxB(float[] A, float[] B)
static float[]	AxB(float[] A, float[] B, boolean unit)
void	checkTime(int timeIdx)
void	clean()
void	cleanDefStrp()
static float[][]	computeDisplacement(FlowInfo info, float[][] spatial_values, float[][] flow_values, float timeStep)
VisADGeometryArray[]	computeTrajectories(int k, double timeAccum, double[] times, double[] timeSteps)
static float[][]	convertFlowUnit(float[][] values, Unit[] units)
static double[]	getBisectPlaneNormal(float[] uvecA, float[] uvecB) Determine the plane that bisects the angle at a vertex formed by intersecting lines specified as two unit vectors (this plane is normal to the plane containing the vectors).
int	getColorCount()
int	getCoordinateCount()
static double[]	getLinePlaneIntersect(double[] planeCoeffs, double[] uVecLine, double[] linePt) Determine intersection point between a plane and a ray.
static double[]	getLinePlaneIntersect(double a, double b, double c, double d, double[] uVecLine, double[] linePt)
int	getNumberOfTrajectories()
static int	getNumIntrpPts(FlowInfo info, float maxSpd, double timeStep)
static double[]	getPlaneCoeffsFromNormalAndPoint(double[] normal, double[] pt) Determine a plane from the vector normal and point the plane should contain in form: ax + by + cz + d = 0
static double[]	getRotatedVecInPlane(double[] T, double[] S, double[] P, double[] V, double theta, double[] rotV)
void	getStartPointsFromDomain(int trajForm, int skip, int zstart, int zskip, Gridded3DSet spatial_set, byte[][] color_values, float[][] startPts, byte[][] startClrs, float[][] flowValues, float ribbonWidthFac)
void	getStartPointsFromDomain2D(int trajForm, int skip, float[][] setLocs, int lenX, int lenY, byte[][] color_values, float[][] startPts, byte[][] startClrs, float[][] flowValues, float ribbonWidthFac)
void	getStartPointsFromDomain3D(int trajForm, int skip, int zstart, int skipZ, float[][] locs, int lenX, int lenY, int lenZ, byte[][] color_values, float[][] startPts, byte[][] startClrs, float[][] flowValues, float ribbonWidthFac)
float[][]	getStartPointsFromFile(DataRenderer renderer, ScalarMap altToZ, byte[][] colors, double[][] times, int which)
static double[]	getTimes(Gridded1DSet timeSet)
static double[]	getTimeSteps(Gridded1DSet timeSet)
static TrajectoryParams	getTrajParamsFromFile(TrajectoryParams trajParams, int which)
void	initCleanUp(ScalarMap scalarMap, FlowControl flowCntrl, ProjectionControl pCntrl, DisplayImpl display)
void	makeCone(float[][] basePts, float[] vertex, byte[][] color, float[] coords, byte[] colors, float[] normals, int[] vertCnt)
VisADGeometryArray[]	makeCylinder()
VisADGeometryArray	makeDeformableRibbon()
VisADGeometryArray	makeFixedWidthRibbon()
VisADGeometryArray	makeGeometry()
VisADGeometryArray	makePointGeometry()
static GriddedSet	makeSpatialSetTraj(Gridded3DSet spatial_set)
VisADGeometryArray	makeTracerGeometry(java.util.ArrayList<float[]> anchors, VisADTriangleStripArray tsarray, float trcrSize, double[] scale)
VisADGeometryArray	makeTracerGeometryArrow(java.util.ArrayList<float[]> anchors, int direction, float trcrSize, double[] scale, boolean fill)
void	makeTrajectories(double time, float[][] startPts, double[] startTimes, byte[][] color_values, GriddedSet spatial_set)
static float[][]	mean(float[][] values0, float[][] values1)
static float[]	mean(float[] values0, float[] values1)
void	preClean()
void	reset()
static VisADGeometryArray	scaleGeometry(VisADGeometryArray array, java.util.ArrayList<float[]> anchors, float scale)
void	setListener(ProjectionControl pCntrl, ControlListener listener, FlowControl flowCntrl)
static float[][]	smooth(float[][] values0, float[][] values1, float[][] values2, TrajectoryParams.SmoothParams smoothParams)
void	updateInterpolators()
static double	vecMag(double[] vec)
static float	vecMag(float[] vec)

Methods inherited from class java.lang.Object

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

Field Detail

doStartOffset

public static boolean doStartOffset

o_j

public static int[] o_j

o_i

public static int[] o_i

LINE

public static final int LINE

See Also:

Constant Field Values

RIBBON

public static final int RIBBON

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Constant Field Values

CYLINDER

public static final int CYLINDER

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Constant Field Values

DEFORM_RIBBON

public static final int DEFORM_RIBBON

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Constant Field Values

POINT

public static final int POINT

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Constant Field Values

TRACER

public static final int TRACER

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Constant Field Values

TRACER_POINT

public static final int TRACER_POINT

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Constant Field Values

PPOP_TRAJECTORY_START_POINTS_FILE

public static final java.lang.String PPOP_TRAJECTORY_START_POINTS_FILE

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Constant Field Values

PPOP_TRAJECTORY_START_POINTS_FILE_1

public static final java.lang.String PPOP_TRAJECTORY_START_POINTS_FILE_1

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Constant Field Values

PPOP_TRAJECTORY_START_POINTS_FILE_2

public static final java.lang.String PPOP_TRAJECTORY_START_POINTS_FILE_2

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Constant Field Values

PROP_TRAJECTORY_PARAM_FILE_1

public static final java.lang.String PROP_TRAJECTORY_PARAM_FILE_1

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Constant Field Values

PROP_TRAJECTORY_PARAM_FILE_2

public static final java.lang.String PROP_TRAJECTORY_PARAM_FILE_2

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Constant Field Values

PROP_TRAJECTORY_TERRAIN_FILE

public static final java.lang.String PROP_TRAJECTORY_TERRAIN_FILE

See Also:

Constant Field Values

tracerLocations

public FieldImpl tracerLocations

scaleChangeListeners

public static java.util.HashMap<FlowControl,ControlListener> scaleChangeListeners

removeListeners

public static java.util.HashMap<ScalarMap,ScalarMapListener> removeListeners

Constructor Detail

TrajectoryManager

public TrajectoryManager(DataRenderer renderer,
                 TrajectoryParams trajParams,
                 java.util.ArrayList<FlowInfo> flowInfoList,
                 int dataDomainLength,
                 double time)
                  throws VisADException

Throws:

VisADException

TrajectoryManager

public TrajectoryManager(DataRenderer renderer,
                 TrajectoryParams trajParams,
                 java.util.ArrayList<FlowInfo> flowInfoList,
                 int dataDomainLength,
                 double time,
                 ScalarMap altToZ,
                 CoordinateSystem dspCoordSys,
                 Gridded1DSet anim1DdomainSet)
                  throws VisADException

Throws:

VisADException

Method Detail

addPair

public void addPair(float[] startPt,
           float[] stopPt,
           byte[] startColor,
           byte[] stopColor)

getCoordinateCount

public int getCoordinateCount()

getColorCount

public int getColorCount()

getNumberOfTrajectories

public int getNumberOfTrajectories()

getNumIntrpPts

public static int getNumIntrpPts(FlowInfo info,
                 float maxSpd,
                 double timeStep)
                          throws VisADException

Throws:

VisADException

computeDisplacement

public static float[][] computeDisplacement(FlowInfo info,
                            float[][] spatial_values,
                            float[][] flow_values,
                            float timeStep)
                                     throws VisADException

Throws:

VisADException

computeTrajectories

public VisADGeometryArray[] computeTrajectories(int k,
                                       double timeAccum,
                                       double[] times,
                                       double[] timeSteps)
                                         throws VisADException,
                                                java.rmi.RemoteException

Parameters:

k - outer dimension (time) index

timeAccum - accumulated time (see refresh interval)

times - time at each k

timeSteps - step at each k

Returns:

Throws:

VisADException

java.rmi.RemoteException

makeTrajectories

public void makeTrajectories(double time,
                    float[][] startPts,
                    double[] startTimes,
                    byte[][] color_values,
                    GriddedSet spatial_set)
                      throws VisADException

Throws:

VisADException

reset

public void reset()

checkTime

public void checkTime(int timeIdx)

preClean

public void preClean()

clean

public void clean()

cleanDefStrp

public void cleanDefStrp()

updateInterpolators

public void updateInterpolators()

makeSpatialSetTraj

public static GriddedSet makeSpatialSetTraj(Gridded3DSet spatial_set)
                                     throws VisADException

Throws:

VisADException

getStartPointsFromDomain

public void getStartPointsFromDomain(int trajForm,
                            int skip,
                            int zstart,
                            int zskip,
                            Gridded3DSet spatial_set,
                            byte[][] color_values,
                            float[][] startPts,
                            byte[][] startClrs,
                            float[][] flowValues,
                            float ribbonWidthFac)
                              throws VisADException

Throws:

VisADException

getStartPointsFromDomain3D

public void getStartPointsFromDomain3D(int trajForm,
                              int skip,
                              int zstart,
                              int skipZ,
                              float[][] locs,
                              int lenX,
                              int lenY,
                              int lenZ,
                              byte[][] color_values,
                              float[][] startPts,
                              byte[][] startClrs,
                              float[][] flowValues,
                              float ribbonWidthFac)
                                throws VisADException

Throws:

VisADException

getStartPointsFromDomain2D

public void getStartPointsFromDomain2D(int trajForm,
                              int skip,
                              float[][] setLocs,
                              int lenX,
                              int lenY,
                              byte[][] color_values,
                              float[][] startPts,
                              byte[][] startClrs,
                              float[][] flowValues,
                              float ribbonWidthFac)
                                throws VisADException

Throws:

VisADException

convertFlowUnit

public static float[][] convertFlowUnit(float[][] values,
                        Unit[] units)
                                 throws VisADException

Throws:

VisADException

smooth

public static float[][] smooth(float[][] values0,
               float[][] values1,
               float[][] values2,
               TrajectoryParams.SmoothParams smoothParams)

mean

public static float[][] mean(float[][] values0,
             float[][] values1)

mean

public static float[] mean(float[] values0,
           float[] values1)

setListener

public void setListener(ProjectionControl pCntrl,
               ControlListener listener,
               FlowControl flowCntrl)

getTimeSteps

public static double[] getTimeSteps(Gridded1DSet timeSet)
                             throws VisADException

Throws:

VisADException

getTimes

public static double[] getTimes(Gridded1DSet timeSet)
                         throws VisADException

Throws:

VisADException

scaleGeometry

public static VisADGeometryArray scaleGeometry(VisADGeometryArray array,
                               java.util.ArrayList<float[]> anchors,
                               float scale)

AxB

public static float[] AxB(float[] A,
          float[] B)

AxB

public static float[] AxB(float[] A,
          float[] B,
          boolean unit)

AdotB

public static float AdotB(float[] A,
          float[] B)

vecMag

public static float vecMag(float[] vec)

vecMag

public static double vecMag(double[] vec)

getPlaneCoeffsFromNormalAndPoint

public static double[] getPlaneCoeffsFromNormalAndPoint(double[] normal,
                                        double[] pt)

Determine a plane from the vector normal and point the plane should contain in form: ax + by + cz + d = 0

Parameters:

normal - vector normal to plane

pt - point on the plane

Returns:

{a, b, c, d}

getBisectPlaneNormal

public static double[] getBisectPlaneNormal(float[] uvecA,
                            float[] uvecB)

Determine the plane that bisects the angle at a vertex formed by intersecting lines specified as two unit vectors (this plane is normal to the plane containing the vectors).

Parameters:

uvecA -

uvecB -

Returns:

The unit vector normal to the bisecting plane

getLinePlaneIntersect

public static double[] getLinePlaneIntersect(double[] planeCoeffs,
                             double[] uVecLine,
                             double[] linePt)

Determine intersection point between a plane and a ray.

Parameters:

planeCoeffs - [a, b, c, d]: ax + by + cz + d = 0

uVecLine - unit vector specifying direction or ray

linePt - vertex of the ray.

Returns:

point where ray intersects plane

getLinePlaneIntersect

public static double[] getLinePlaneIntersect(double a,
                             double b,
                             double c,
                             double d,
                             double[] uVecLine,
                             double[] linePt)

getRotatedVecInPlane

public static double[] getRotatedVecInPlane(double[] T,
                            double[] S,
                            double[] P,
                            double[] V,
                            double theta,
                            double[] rotV)

Parameters:

T - (SxT) right-handed in the plane. Must be 3D unit vectors

S -

P - Origin, can be null

V - The 2D (in S,T coordinates) vector to rotate

theta - Counter-clockwise (> 0) rotation in the S,T plane

rotV - The rotated vector, can be null

Returns:

The rotated 3D vector

makeGeometry

public VisADGeometryArray makeGeometry()

makeFixedWidthRibbon

public VisADGeometryArray makeFixedWidthRibbon()

makeCylinder

public VisADGeometryArray[] makeCylinder()

makeCone

public void makeCone(float[][] basePts,
            float[] vertex,
            byte[][] color,
            float[] coords,
            byte[] colors,
            float[] normals,
            int[] vertCnt)

makeDeformableRibbon

public VisADGeometryArray makeDeformableRibbon()

makePointGeometry

public VisADGeometryArray makePointGeometry()

makeTracerGeometry

public VisADGeometryArray makeTracerGeometry(java.util.ArrayList<float[]> anchors,
                                    VisADTriangleStripArray tsarray,
                                    float trcrSize,
                                    double[] scale)

makeTracerGeometryArrow

public VisADGeometryArray makeTracerGeometryArrow(java.util.ArrayList<float[]> anchors,
                                         int direction,
                                         float trcrSize,
                                         double[] scale,
                                         boolean fill)

initCleanUp

public void initCleanUp(ScalarMap scalarMap,
               FlowControl flowCntrl,
               ProjectionControl pCntrl,
               DisplayImpl display)

getTrajParamsFromFile

public static TrajectoryParams getTrajParamsFromFile(TrajectoryParams trajParams,
                                     int which)

getStartPointsFromFile

public float[][] getStartPointsFromFile(DataRenderer renderer,
                               ScalarMap altToZ,
                               byte[][] colors,
                               double[][] times,
                               int which)
                                 throws VisADException,
                                        java.rmi.RemoteException

Throws:

VisADException

java.rmi.RemoteException