edu.unh.sdb.datasource

Class SliceUtil

java.lang.Object

edu.unh.sdb.datasource.SliceUtil

public class SliceUtil
extends java.lang.Object

Utility functions for use in Slice.

Field Summary

Fields

Modifier and Type	Field and Description
static javax.vecmath.Vector3d	X_AXIS
static javax.vecmath.Vector3d	Y_AXIS
static javax.vecmath.Vector3d	Z_AXIS
static double	ZERO

Constructor Summary

Constructors

Constructor and Description
SliceUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static void	calculateRotation(javax.vecmath.Vector3d src, javax.vecmath.Vector3d dest, javax.vecmath.AxisAngle4d axisAngle) Calculate the rotation to get from 'src' to 'dest' and store that in 'axisAngle'
static void	calculateRotation(javax.vecmath.Vector3d src, javax.vecmath.Vector3d dest, javax.vecmath.Matrix4d m)
static javax.vecmath.Matrix4d	calculateRotation(javax.vecmath.Vector3d srcZero, javax.vecmath.Vector3d srcOne, javax.vecmath.Vector3d destZero, javax.vecmath.Vector3d destOne) Calculate the rotation to get from 'srcZero' and 'srcOne' to 'destZero' and 'destOne' .
static double	get(javax.vecmath.Tuple3d t, int axis)
static int	nextPowerOf2(int value)
static void	orderPointsForSimpleClosedPath(javax.vecmath.Point2d[] intersection2d, javax.vecmath.Point3d[] intersection3d) Order the points to draw a simple closed path, from Algorithms in C++, Sedgewick, chapter 24.
static javax.vecmath.Point3d	segmentPlaneIntersection(javax.vecmath.Vector3d p0, javax.vecmath.Vector3d dv, double leftLimit, double rightLimit, javax.vecmath.Vector3d n, double d) Intersection between a ray segment and a plane section 13.9 3D Math Primer for Graphics and Game Development by Dunn&Parberry
static void	set(javax.vecmath.Tuple3d t, int axis, double value)
static void	swap(java.lang.Object[] a, int i, int j)
static javax.vecmath.Point3d	toPoint3d(javax.vecmath.Point3i p)

Methods inherited from class java.lang.Object

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

Field Detail

X_AXIS

public static javax.vecmath.Vector3d X_AXIS

Y_AXIS

public static javax.vecmath.Vector3d Y_AXIS

Z_AXIS

public static javax.vecmath.Vector3d Z_AXIS

ZERO

public static double ZERO

Constructor Detail

SliceUtil

public SliceUtil()

Method Detail

nextPowerOf2

public static int nextPowerOf2(int value)

get

public static double get(javax.vecmath.Tuple3d t,
         int axis)

set

public static void set(javax.vecmath.Tuple3d t,
       int axis,
       double value)

segmentPlaneIntersection

public static javax.vecmath.Point3d segmentPlaneIntersection(javax.vecmath.Vector3d p0,
                                             javax.vecmath.Vector3d dv,
                                             double leftLimit,
                                             double rightLimit,
                                             javax.vecmath.Vector3d n,
                                             double d)

Intersection between a ray segment and a plane section 13.9 3D Math Primer for Graphics and Game Development by Dunn&Parberry

swap

public static void swap(java.lang.Object[] a,
        int i,
        int j)

orderPointsForSimpleClosedPath

public static void orderPointsForSimpleClosedPath(javax.vecmath.Point2d[] intersection2d,
                                  javax.vecmath.Point3d[] intersection3d)

Order the points to draw a simple closed path, from Algorithms in C++, Sedgewick, chapter 24.

calculateRotation

public static javax.vecmath.Matrix4d calculateRotation(javax.vecmath.Vector3d srcZero,
                                       javax.vecmath.Vector3d srcOne,
                                       javax.vecmath.Vector3d destZero,
                                       javax.vecmath.Vector3d destOne)

Calculate the rotation to get from 'srcZero' and 'srcOne' to 'destZero' and 'destOne' . srcZero and srcOne should be perpendicular before the execution of this function and destZero and destOne should be perpendicular as well.

toPoint3d

public static javax.vecmath.Point3d toPoint3d(javax.vecmath.Point3i p)

calculateRotation

public static void calculateRotation(javax.vecmath.Vector3d src,
                     javax.vecmath.Vector3d dest,
                     javax.vecmath.Matrix4d m)

calculateRotation

public static void calculateRotation(javax.vecmath.Vector3d src,
                     javax.vecmath.Vector3d dest,
                     javax.vecmath.AxisAngle4d axisAngle)

Calculate the rotation to get from 'src' to 'dest' and store that in 'axisAngle'