Uses of Class
org.hipparchus.geometry.euclidean.twod.Vector2D

Packages that use Vector2D

Package	Description
org.hipparchus.geometry.euclidean.threed	This package provides basic 3D geometry components.
org.hipparchus.geometry.euclidean.twod	This package provides basic 2D geometry components.
org.hipparchus.geometry.euclidean.twod.hull	This package provides algorithms to generate the convex hull for a set of points in an two-dimensional euclidean space.
org.hipparchus.geometry.spherical.oned	This package provides basic geometry components on the 1-sphere.
org.hipparchus.samples	Various examples.
org.hipparchus.samples.geometry	Geometry examples.

Uses of Vector2D in org.hipparchus.geometry.euclidean.threed

Methods in org.hipparchus.geometry.euclidean.threed that return Vector2D

Modifier and Type	Method	Description
Vector2D[][]	OutlineExtractor.getOutline(PolyhedronsSet polyhedronsSet)	Extract the outline of a polyhedrons set.
Vector2D	Plane.toSubSpace(Vector3D point)	Transform a 3D space point into an in-plane point.

Methods in org.hipparchus.geometry.euclidean.threed with parameters of type Vector2D

Modifier and Type	Method	Description
Vector3D	Plane.getPointAt(Vector2D inPlane, double offset)	Get one point from the 3D-space.
Vector3D	Plane.toSpace(Vector2D point)	Transform an in-plane point into a 3D space point.

Method parameters in org.hipparchus.geometry.euclidean.threed with type arguments of type Vector2D

Modifier and Type	Method	Description
protected SubPlane	SubPlane.buildNew(Plane hyperplane, Region<Euclidean2D,Vector2D,Line,SubLine> remainingRegion)	Build a sub-hyperplane from an hyperplane and a region.

Constructor parameters in org.hipparchus.geometry.euclidean.threed with type arguments of type Vector2D

Modifier	Constructor	Description
	SubPlane(Plane hyperplane, Region<Euclidean2D,Vector2D,Line,SubLine> remainingRegion)	Simple constructor.

Uses of Vector2D in org.hipparchus.geometry.euclidean.twod

Fields in org.hipparchus.geometry.euclidean.twod declared as Vector2D

Modifier and Type	Field	Description
static final Vector2D	Vector2D.MINUS_I	Opposite of the first canonical vector (coordinates: -1, 0).
static final Vector2D	Vector2D.MINUS_J	Opposite of the second canonical vector (coordinates: 0, -1).
static final Vector2D	Vector2D.NaN	A vector with all coordinates set to NaN.
static final Vector2D	Vector2D.NEGATIVE_INFINITY	A vector with all coordinates set to negative infinity.
static final Vector2D	Vector2D.PLUS_I	First canonical vector (coordinates: 1, 0).
static final Vector2D	Vector2D.PLUS_J	Second canonical vector (coordinates: 0, 1).
static final Vector2D	Vector2D.POSITIVE_INFINITY	A vector with all coordinates set to positive infinity.
static final Vector2D	Vector2D.ZERO	Origin (coordinates: 0, 0).

Methods in org.hipparchus.geometry.euclidean.twod that return Vector2D

Modifier and Type	Method	Description
Vector2D	Vector2D.add(double factor, Vector2D v)	Add a scaled vector to the instance.
Vector2D	Vector2D.add(Vector2D v)	Add a vector to the instance.
Vector2D	Line.arbitraryPoint()	Get an arbitrary point in the hyperplane.
Vector2D	Segment.getEnd()	Get the end point of the segment.
Vector2D	PolygonsSet.getInteriorPoint()	Get an interior point.
Vector2D	SubLine.getInteriorPoint()	Get an interior point.
Vector2D	Line.getPointAt(Vector1D abscissa, double offset)	Get one point from the plane.
Vector2D	Segment.getStart()	Get the start point of the segment.
Vector2D[][]	PolygonsSet.getVertices()	Get the vertices of the polygon.
Vector2D	Vector2D.getZero()	Get the null vector of the vectorial space or origin point of the affine space.
Vector2D	Line.intersection(Line other)	Get the intersection point of the instance and another line.
Vector2D	SubLine.intersection(SubLine subLine, boolean includeEndPoints)	Get the intersection of the instance and another sub-line.
Vector2D	Line.moveToOffset(Vector2D point, double offset)	Move point up to specified offset.
Vector2D	Vector2D.moveTowards(Vector2D other, double ratio)	Move towards another point.
Vector2D	Vector2D.negate()	Get the opposite of the instance.
Vector2D	Vector2DFormat.parse(String source)	Parses a string to produce a Vector object.
Vector2D	Vector2DFormat.parse(String source, ParsePosition pos)	Parses a string to produce a Vector object.
Vector2D	Line.project(Vector2D point)	Project a point to the hyperplane.
Vector2D	Vector2D.scalarMultiply(double a)	Multiply the instance by a scalar.
Vector2D	Vector2D.subtract(double factor, Vector2D v)	Subtract a scaled vector from the instance.
Vector2D	Vector2D.subtract(Vector2D p)	Subtract a vector from the instance.
Vector2D	Line.toSpace(Vector1D point)	Transform a sub-space point into a space point.
Vector2D	FieldVector2D.toVector2D()	Convert to a constant vector without extra field parts.

Methods in org.hipparchus.geometry.euclidean.twod that return types with arguments of type Vector2D

Modifier and Type	Method	Description
EnclosingBall<Euclidean2D,Vector2D>	DiskGenerator.ballOnSupport(List<Vector2D> support)	Create a ball whose boundary lies on prescribed support points.
static Transform<Euclidean2D,Vector2D,Line,SubLine,Euclidean1D,Vector1D,OrientedPoint,SubOrientedPoint>	Line.getTransform(double cXX, double cYX, double cXY, double cYY, double cX1, double cY1)	Get a Transform embedding an affine transform.
SubHyperplane.SplitSubHyperplane<Euclidean2D,Vector2D,Line,SubLine>	SubLine.split(Line hyperplane)	Split the instance in two parts by an hyperplane.

Methods in org.hipparchus.geometry.euclidean.twod with parameters of type Vector2D

Modifier and Type	Method	Description
FieldVector2D<T>	FieldVector2D.add(double factor, Vector2D v)	Add a scaled vector to the instance.
FieldVector2D<T>	FieldVector2D.add(Vector2D v)	Add a vector to the instance.
FieldVector2D<T>	FieldVector2D.add(T factor, Vector2D v)	Add a scaled vector to the instance.
Vector2D	Vector2D.add(double factor, Vector2D v)	Add a scaled vector to the instance.
Vector2D	Vector2D.add(Vector2D v)	Add a vector to the instance.
static <T extends CalculusFieldElement<T>> T	FieldVector2D.angle(FieldVector2D<T> v1, Vector2D v2)	Compute the angular separation between two vectors.
static <T extends CalculusFieldElement<T>> T	FieldVector2D.angle(Vector2D v1, FieldVector2D<T> v2)	Compute the angular separation between two vectors.
static double	Vector2D.angle(Vector2D v1, Vector2D v2)	Compute the angular separation between two vectors.
boolean	Line.contains(Vector2D p)	Check if the line contains a point.
T	FieldVector2D.crossProduct(Vector2D p1, Vector2D p2)	Compute the cross-product of the instance and the given points.
double	Vector2D.crossProduct(Vector2D p1, Vector2D p2)	Compute the cross-product of the instance and the given points.
static <T extends CalculusFieldElement<T>> T	FieldVector2D.distance(FieldVector2D<T> p1, Vector2D p2)	Compute the distance between two vectors according to the L2 norm.
T	FieldVector2D.distance(Vector2D v)	Compute the distance between the instance and another vector according to the L2 norm.
static <T extends CalculusFieldElement<T>> T	FieldVector2D.distance(Vector2D p1, FieldVector2D<T> p2)	Compute the distance between two vectors according to the L2 norm.
double	Line.distance(Vector2D p)	Compute the distance between the instance and a point.
double	Segment.distance(Vector2D p)	Calculates the shortest distance from a point to this line segment.
double	Vector2D.distance(Vector2D p)	Compute the distance between the instance and another point.
static double	Vector2D.distance(Vector2D p1, Vector2D p2)	Compute the distance between two vectors according to the L2 norm.
static <T extends CalculusFieldElement<T>> T	FieldVector2D.distance1(FieldVector2D<T> p1, Vector2D p2)	Compute the distance between two vectors according to the L2 norm.
T	FieldVector2D.distance1(Vector2D v)	Compute the distance between the instance and another vector according to the L1 norm.
static <T extends CalculusFieldElement<T>> T	FieldVector2D.distance1(Vector2D p1, FieldVector2D<T> p2)	Compute the distance between two vectors according to the L2 norm.
double	Vector2D.distance1(Vector2D p)	Compute the distance between the instance and another vector according to the L1 norm.
static double	Vector2D.distance1(Vector2D p1, Vector2D p2)	Compute the distance between two vectors according to the L1 norm.
static <T extends CalculusFieldElement<T>> T	FieldVector2D.distanceInf(FieldVector2D<T> p1, Vector2D p2)	Compute the distance between two vectors according to the L∞ norm.
T	FieldVector2D.distanceInf(Vector2D v)	Compute the distance between the instance and another vector according to the L∞ norm.
static <T extends CalculusFieldElement<T>> T	FieldVector2D.distanceInf(Vector2D p1, FieldVector2D<T> p2)	Compute the distance between two vectors according to the L∞ norm.
double	Vector2D.distanceInf(Vector2D p)	Compute the distance between the instance and another vector according to the L∞ norm.
static double	Vector2D.distanceInf(Vector2D p1, Vector2D p2)	Compute the distance between two vectors according to the L∞ norm.
static <T extends CalculusFieldElement<T>> T	FieldVector2D.distanceSq(FieldVector2D<T> p1, Vector2D p2)	Compute the square of the distance between two vectors.
T	FieldVector2D.distanceSq(Vector2D v)	Compute the square of the distance between the instance and another vector.
static <T extends CalculusFieldElement<T>> T	FieldVector2D.distanceSq(Vector2D p1, FieldVector2D<T> p2)	Compute the square of the distance between two vectors.
double	Vector2D.distanceSq(Vector2D p)	Compute the square of the distance between the instance and another vector.
static double	Vector2D.distanceSq(Vector2D p1, Vector2D p2)	Compute the square of the distance between two vectors.
T	FieldVector2D.dotProduct(Vector2D v)	Compute the dot-product of the instance and another vector.
double	Vector2D.dotProduct(Vector2D v)	Compute the dot-product of the instance and another vector.
double	Line.getOffset(Vector2D point)	Get the offset (oriented distance) of a point.
Vector2D	Line.moveToOffset(Vector2D point, double offset)	Move point up to specified offset.
Vector2D	Vector2D.moveTowards(Vector2D other, double ratio)	Move towards another point.
static double	Vector2D.orientation(Vector2D p, Vector2D q, Vector2D r)	Compute the orientation of a triplet of points.
Vector2D	Line.project(Vector2D point)	Project a point to the hyperplane.
void	Line.reset(Vector2D p, double alpha)	Reset the instance as if built from a line and an angle.
void	Line.reset(Vector2D p1, Vector2D p2)	Reset the instance as if built from two points.
FieldVector2D<T>	FieldVector2D.subtract(double factor, Vector2D v)	Subtract a scaled vector from the instance.
FieldVector2D<T>	FieldVector2D.subtract(Vector2D v)	Subtract a vector from the instance.
FieldVector2D<T>	FieldVector2D.subtract(T factor, Vector2D v)	Subtract a scaled vector from the instance.
Vector2D	Vector2D.subtract(double factor, Vector2D v)	Subtract a scaled vector from the instance.
Vector2D	Vector2D.subtract(Vector2D p)	Subtract a vector from the instance.
Vector1D	Line.toSubSpace(Vector2D point)	Transform a space point into a sub-space point.
void	Line.translateToPoint(Vector2D p)	Translate the line to force it passing by a point.

Method parameters in org.hipparchus.geometry.euclidean.twod with type arguments of type Vector2D

Modifier and Type	Method	Description
EnclosingBall<Euclidean2D,Vector2D>	DiskGenerator.ballOnSupport(List<Vector2D> support)	Create a ball whose boundary lies on prescribed support points.
PolygonsSet	PolygonsSet.buildNew(BSPTree<Euclidean2D,Vector2D,Line,SubLine> tree)	Build a region using the instance as a prototype.
StringBuffer	Vector2DFormat.format(Vector<Euclidean2D,Vector2D> vector, StringBuffer toAppendTo, FieldPosition pos)	Formats a Vector object to produce a string.

Constructors in org.hipparchus.geometry.euclidean.twod with parameters of type Vector2D

Modifier	Constructor	Description
	FieldVector2D(Field<T> field, Vector2D v)	Build a FieldVector2D from a Vector2D.
	FieldVector2D(T a, Vector2D u)	Multiplicative constructor Build a vector from another one and a scale factor.
	FieldVector2D(T a1, Vector2D u1, T a2, Vector2D u2)	Linear constructor.
	FieldVector2D(T a1, Vector2D u1, T a2, Vector2D u2, T a3, Vector2D u3)	Linear constructor.
	FieldVector2D(T a1, Vector2D u1, T a2, Vector2D u2, T a3, Vector2D u3, T a4, Vector2D u4)	Linear constructor.
	Line(Vector2D p, double angle, double tolerance)	Build a line from a point and an angle.
	Line(Vector2D p1, Vector2D p2, double tolerance)	Build a line from two points.
	PolygonsSet(double hyperplaneThickness, Vector2D... vertices)	Build a polygon from a simple list of vertices.
	Segment(Vector2D start, Vector2D end, double tolerance)	Build a segment.
	Segment(Vector2D start, Vector2D end, Line line)	Build a segment.
	SubLine(Vector2D start, Vector2D end, double tolerance)	Create a sub-line from two endpoints.
	Vector2D(double a, Vector2D u)	Multiplicative constructor Build a vector from another one and a scale factor.
	Vector2D(double a1, Vector2D u1, double a2, Vector2D u2)	Linear constructor Build a vector from two other ones and corresponding scale factors.
	Vector2D(double a1, Vector2D u1, double a2, Vector2D u2, double a3, Vector2D u3)	Linear constructor Build a vector from three other ones and corresponding scale factors.
	Vector2D(double a1, Vector2D u1, double a2, Vector2D u2, double a3, Vector2D u3, double a4, Vector2D u4)	Linear constructor Build a vector from four other ones and corresponding scale factors.

Constructor parameters in org.hipparchus.geometry.euclidean.twod with type arguments of type Vector2D

Modifier	Constructor	Description
	PolygonsSet(BSPTree<Euclidean2D,Vector2D,Line,SubLine> tree, double tolerance)	Build a polygons set from a BSP tree.

Uses of Vector2D in org.hipparchus.geometry.euclidean.twod.hull

Methods in org.hipparchus.geometry.euclidean.twod.hull that return Vector2D

Modifier and Type	Method	Description
Vector2D[]	ConvexHull2D.getVertices()	Get the vertices of the convex hull.

Methods in org.hipparchus.geometry.euclidean.twod.hull that return types with arguments of type Vector2D

Modifier and Type	Method	Description
Region<Euclidean2D,Vector2D,Line,SubLine>	ConvexHull2D.createRegion()	Returns a new region that is enclosed by the convex hull.
Collection<Vector2D>	MonotoneChain.findHullVertices(Collection<Vector2D> points)	Find the convex hull vertices from the set of input points.
static Collection<Vector2D>	AklToussaintHeuristic.reducePoints(Collection<Vector2D> points)	Returns a point set that is reduced by all points for which it is safe to assume that they are not part of the convex hull.

Method parameters in org.hipparchus.geometry.euclidean.twod.hull with type arguments of type Vector2D

Modifier and Type	Method	Description
Collection<Vector2D>	MonotoneChain.findHullVertices(Collection<Vector2D> points)	Find the convex hull vertices from the set of input points.
ConvexHull2D	ConvexHullGenerator2D.generate(Collection<Vector2D> points)	Builds the convex hull from the set of input points.
static Collection<Vector2D>	AklToussaintHeuristic.reducePoints(Collection<Vector2D> points)	Returns a point set that is reduced by all points for which it is safe to assume that they are not part of the convex hull.

Constructors in org.hipparchus.geometry.euclidean.twod.hull with parameters of type Vector2D

Modifier	Constructor	Description
	ConvexHull2D(Vector2D[] vertices, double tolerance)	Simple constructor.

Uses of Vector2D in org.hipparchus.geometry.spherical.oned

Methods in org.hipparchus.geometry.spherical.oned that return Vector2D

Modifier and Type	Method	Description
Vector2D	S1Point.getVector()	Get the corresponding normalized vector in the 2D euclidean space.

Uses of Vector2D in org.hipparchus.samples

Methods in org.hipparchus.samples that return Vector2D

Modifier and Type	Method	Description
static Vector2D	ClusterAlgorithmComparison.generateNoiseVector(RandomGenerator randomGenerator, double noise)	Generate a random vector.

Methods in org.hipparchus.samples that return types with arguments of type Vector2D

Modifier and Type	Method	Description
static List<Vector2D>	ClusterAlgorithmComparison.makeBlobs(int samples, int centers, double clusterStd, double min, double max, boolean shuffle, RandomGenerator random)	Make blobs patterns.
static List<Vector2D>	LowDiscrepancyGeneratorComparison.makeCircle(int samples, RandomVectorGenerator generator)	Generate points within a circle.
static List<Vector2D>	ClusterAlgorithmComparison.makeCircles(int samples, boolean shuffle, double noise, double factor, RandomGenerator random)	Make circles patterns.
static List<Vector2D>	ClusterAlgorithmComparison.makeMoons(int samples, boolean shuffle, double noise, RandomGenerator random)	Make Moons patterns.
static List<Vector2D>	LowDiscrepancyGeneratorComparison.makeRandom(int samples, RandomVectorGenerator generator)	Generate points.
static List<Vector2D>	ClusterAlgorithmComparison.makeSobol(int samples)	Make Sobol patterns.
static List<Vector2D>	LowDiscrepancyGeneratorComparison.normalize(List<Vector2D> input)	Normalize points.

Method parameters in org.hipparchus.samples with type arguments of type Vector2D

Modifier and Type	Method	Description
static List<DoublePoint>	ClusterAlgorithmComparison.normalize(List<Vector2D> input, double minX, double maxX, double minY, double maxY)	Normolize points in a rectangular area
static List<Vector2D>	LowDiscrepancyGeneratorComparison.normalize(List<Vector2D> input)	Normalize points.

Constructor parameters in org.hipparchus.samples with type arguments of type Vector2D

Modifier	Constructor	Description
	Plot(List<Vector2D> points)	Simple constructor.

Uses of Vector2D in org.hipparchus.samples.geometry

Methods in org.hipparchus.samples.geometry that return types with arguments of type Vector2D

Modifier and Type	Method	Description
static List<Vector2D>	GeometryExample.createCircle(int samples)	Create a circle sprite.
static List<Vector2D>	GeometryExample.createCross()	Create a cross sprite.
static List<Vector2D>	GeometryExample.createRandomPoints(int size)	Create a list of random points.