org.gvsig.fmap.geom.jts.primitive.curve.arc

Class AbstractArc

java.lang.Object

org.gvsig.fmap.geom.jts.AbstractGeometry

org.gvsig.fmap.geom.jts.primitive.AbstractPrimitive

org.gvsig.fmap.geom.jts.primitive.curve.AbstractCurve

org.gvsig.fmap.geom.jts.primitive.curve.arc.AbstractArc

All Implemented Interfaces:

java.awt.Shape, java.io.Serializable, java.lang.Cloneable, java.lang.Comparable, Geometry, GeometryJTS, Arc, Curve, OrientableCurve, OrientablePrimitive, Primitive, GetItem<Point>, IsEmpty, Size

Direct Known Subclasses:

Arc2D, Arc2DM, Arc2DZ, Arc2DZM

public abstract class AbstractArc
extends AbstractCurve
implements Arc

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.gvsig.fmap.geom.Geometry

Geometry.DIMENSIONS, Geometry.OPERATIONS, Geometry.SUBTYPES, Geometry.TYPES, Geometry.ValidationStatus

Field Summary

Fields

Modifier and Type	Field and Description
protected Point	end
protected Point	init
protected Point	middle This is the middle point (belongs to the arc), not the center of the circle/ellipse

Fields inherited from class org.gvsig.fmap.geom.jts.AbstractGeometry

LOGGER

Fields inherited from interface org.gvsig.fmap.geom.Geometry

BEST, E, EXTENDED_GEOMSUBTYPE_OFFSET, EXTENDED_GEOMTYPE_OFFSET, JOIN_STYLE_BEVEL, JOIN_STYLE_MITRE, JOIN_STYLE_ROUND, N, NE, NW, S, SE, SELECTHANDLER, STRETCHINGHANDLER, SW, W

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractArc(int subtype)

Method Summary

Modifier and Type	Method and Description
void	addMoveToVertex(Point point) Adds a vertex (or direct position) to the curve
OrientablePrimitive	addVertex(double x, double y) Utility method for add a vertex
OrientablePrimitive	addVertex(double x, double y, double z) Utility method for add a vertex
OrientablePrimitive	addVertex(Point point) Adds a vertex (or direct position) to the curve
boolean	canBeReprojected(ICoordTrans ct) Return true if the geometry can be reprojected by the coordinate transformation
boolean	canBeTransformed(java.awt.geom.AffineTransform at) Return true if the geometry can be transformed by the affine transform
void	closePrimitive() Closes the geometry
OrientablePrimitive	ensureCapacity(int capacity)
protected abstract Point	fixPoint(Point point)
void	flip() Flip the coordinates of the geometry.
Geometry	force2D()
Geometry	force2DM()
Geometry	force3D()
Geometry	force3DM()
double	getCoordinateAt(int index, int dimension) Gets the one of the values of a coordinate (direct position) in a concrete dimension.
int	getDimension() Returns the largest number n such that each direct position in a geometric set can be associated with a subset that has the direct position in its interior and is similar (isomorphic) to Rn, Euclidean n-space.
double	getEndAngle() Returns the counterclockwise angle formed by the horizontal line passing through the center, the center itself and the ending point.
Point	getEndPoint() Return the end point that has been used to create the arc.
GeneralPathX	getGeneralPath() Get GeneralPathIterator, to do registered operations to it.
Point	getInitPoint() Return the first point that has been used to create the arc.
Point	getMiddlePoint() Return the middle point of the arc.
int	getNumVertices() Gets the number of vertices (direct positions) of the curve
java.awt.geom.PathIterator	getPathIterator(java.awt.geom.AffineTransform at) If applies an affine transformation and returns the GeneralPathXIterator with this geometry's information.
java.awt.geom.PathIterator	getPathIterator(java.awt.geom.AffineTransform at, double flatness) If applies an affine transformation and returns the GeneralPathXIterator with this geometry's information.
protected java.awt.geom.AffineTransform	getScaleAffineTransform(Point center, java.lang.Double scale)
java.awt.Shape	getShape()
java.awt.Shape	getShape(java.awt.geom.AffineTransform affineTransform)
double	getStartAngle() Returns the counterclockwise angle formed by the horizontal line passing through the center, the center itself and the starting point.
Point	getVertex(int index) Gets a vertex (direct position)
OrientablePrimitive	insertVertex(int index, Point p) Inserts a vertex (direct position) to the curve.
boolean	is3D()
boolean	isEmpty()
protected double	normalizeAngle(double angle) Leaves the angle between PI and -PI
Geometry	offset(double distance)
Geometry	offset(int joinStyle, double distance)
void	removeVertex(int index) Remove a vertex (direct position) to the curve
void	reProject(ICoordTrans ct) Reprojects this geometry by the coordinate transformer passed as parameter.
OrientablePrimitive	setCoordinateAt(int index, int dimension, double value) Sets the value of a coordinate (direct position) in a concrete dimension
void	setGeneralPath(GeneralPathX generalPathX) Sets all the coordinates of the curve
void	setPoints(Point initialPoint, Point endPoint) Sets the initial point and the end point of the curve.
void	setPoints(Point startPoint, Point midPoint, Point endPoint) Sets the three points to define an arc.
void	setPointsStartEnd(Point center, double radius, double startAngle, double endAngle) Sets the values to define an arc.
void	setPointsStartExt(Point center, double radius, double startAngle, double angleExt) Sets the values to define an arc.
OrientablePrimitive	setVertex(int index, Point p) Sets a vertex in a concrete position and replaces the previous one that was in this position.
void	transform(java.awt.geom.AffineTransform at) It applies an affine transformation to the geometry.

Methods inherited from class org.gvsig.fmap.geom.jts.primitive.curve.AbstractCurve

get, size

Methods inherited from class org.gvsig.fmap.geom.jts.primitive.AbstractPrimitive

getHandlers

Methods inherited from class org.gvsig.fmap.geom.jts.AbstractGeometry

area, boundary, buffer, buffer, centroid, clone, closestPoints, compareTo, contains, contains, contains, contains, contains, convertTo, convertToEWKB, convertToEWKB, convertToEWKBForcingType, convertToGeoJson, convertToGeoJson, convertToHexEWKB, convertToHexEWKBQuietly, convertToHexWKB, convertToHexWKBQuietly, convertToWKB, convertToWKB, convertToWKBForcingType, convertToWKBQuietly, convertToWKT, convertToWKTQuietly, convexHull, coveredBy, covers, crosses, difference, disjoint, distance, ensureOrientation, equals, fastIntersects, fix, forceSubtype, getBounds, getBounds2D, getEnvelope, getGeometryType, getInteriorPoint, getInternalShape, getManager, getProjection, getType, getValidationStatus, intersection, intersects, intersects, intersects, invokeOperation, invokeOperation, isCCW, isSimple, isValid, isWithinDistance, makeValid, move, notifyDeprecated, out, overlaps, perimeter, rotate, scale, setGeometryType, setProjection, setProjection, setProjectionIffNull, snapTo, toString, touches, union, within

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.gvsig.fmap.geom.primitive.Arc

getCenterPoint, setPoints

Methods inherited from interface org.gvsig.fmap.geom.Geometry

area, boundary, buffer, buffer, centroid, clone, cloneGeometry, closestPoints, contains, convertTo, convertToEWKB, convertToEWKB, convertToEWKBForcingType, convertToGeoJson, convertToHexEWKB, convertToHexEWKBQuietly, convertToHexWKB, convertToHexWKBQuietly, convertToWKB, convertToWKB, convertToWKBForcingType, convertToWKBQuietly, convertToWKT, convertToWKTQuietly, convexHull, coveredBy, covers, crosses, difference, disjoint, distance, ensureOrientation, equals, fastIntersects, fix, forceSubtype, getBounds2D, getEnvelope, getGeometryType, getHandlers, getInteriorPoint, getInternalShape, getProjection, getType, getValidationStatus, intersection, intersects, intersects, invokeOperation, invokeOperation, isCCW, isSimple, isValid, isWithinDistance, makeValid, move, out, overlaps, perimeter, rotate, scale, setProjection, setProjection, setProjectionIffNull, snapTo, toLines, toPoints, toPolygons, touches, union, within

Methods inherited from interface java.awt.Shape

contains, contains, contains, contains, getBounds, intersects

Methods inherited from interface java.lang.Comparable

compareTo

Methods inherited from interface org.gvsig.tools.util.IsEmpty

isEmpty, isEmpty, isEmptyQuietly

Methods inherited from interface org.gvsig.tools.util.Size

size

Methods inherited from interface org.gvsig.tools.util.GetItem

get

Methods inherited from interface org.gvsig.fmap.geom.jts.GeometryJTS

getJTS

Field Detail

init

protected Point init

middle

protected Point middle

This is the middle point (belongs to the arc), not the center of the circle/ellipse

end

protected Point end

Constructor Detail

AbstractArc

protected AbstractArc(int subtype)

Parameters:

subtype -

Method Detail

setPoints

public void setPoints(Point initialPoint,
                      Point endPoint)

Description copied from interface: Curve

Sets the initial point and the end point of the curve. On this case, the curve is a single line

Specified by:

setPoints in interface Curve

Parameters:

initialPoint - The initial point

endPoint - The end point

getCoordinateAt

public double getCoordinateAt(int index,
                              int dimension)

Description copied from interface: OrientablePrimitive

Gets the one of the values of a coordinate (direct position) in a concrete dimension.

Specified by:

getCoordinateAt in interface OrientablePrimitive

Parameters:

index - The index of the direct position to set.

dimension - The dimension of the direct position.

Returns:

The value of the coordinate

setCoordinateAt

public OrientablePrimitive setCoordinateAt(int index,
                                           int dimension,
                                           double value)

Description copied from interface: OrientablePrimitive

Sets the value of a coordinate (direct position) in a concrete dimension

Specified by:

setCoordinateAt in interface OrientablePrimitive

Parameters:

index - The index of the direct position to set

dimension - The dimension of the direct position

value - The value to set

Returns:

addVertex

public OrientablePrimitive addVertex(Point point)

Description copied from interface: OrientablePrimitive

Adds a vertex (or direct position) to the curve

Specified by:

addVertex in interface OrientablePrimitive

Parameters:

point - The new point to add

Returns:

addVertex

public OrientablePrimitive addVertex(double x,
                                     double y)

Description copied from interface: OrientablePrimitive

Utility method for add a vertex

Specified by:

addVertex in interface OrientablePrimitive

Returns:

See Also:

OrientablePrimitive.addVertex(Point)

addVertex

public OrientablePrimitive addVertex(double x,
                                     double y,
                                     double z)

Description copied from interface: OrientablePrimitive

Utility method for add a vertex

Specified by:

addVertex in interface OrientablePrimitive

Returns:

See Also:

OrientablePrimitive.addVertex(Point)

removeVertex

public void removeVertex(int index)

Description copied from interface: OrientablePrimitive

Remove a vertex (direct position) to the curve

Specified by:

removeVertex in interface OrientablePrimitive

Parameters:

index - The index of the vertex to remove

getVertex

public Point getVertex(int index)

Description copied from interface: OrientablePrimitive

Gets a vertex (direct position)

Specified by:

getVertex in interface OrientablePrimitive

Parameters:

index - The index of the vertex to get

Returns:

One point

getNumVertices

public int getNumVertices()

Description copied from interface: OrientablePrimitive

Gets the number of vertices (direct positions) of the curve

Specified by:

getNumVertices in interface OrientablePrimitive

Returns:

The number of vertices

insertVertex

public OrientablePrimitive insertVertex(int index,
                                        Point p)

Description copied from interface: OrientablePrimitive

Inserts a vertex (direct position) to the curve.

Specified by:

insertVertex in interface OrientablePrimitive

Parameters:

index - The index of the vertex where the new point has to be added.

p - The vertex to add.

Returns:

setVertex

public OrientablePrimitive setVertex(int index,
                                     Point p)

Description copied from interface: OrientablePrimitive

Sets a vertex in a concrete position and replaces the previous one that was in this position.

Specified by:

setVertex in interface OrientablePrimitive

Parameters:

index - The index of the vertex where the new point has to be replaced.

p - The vertex to set.

Returns:

setGeneralPath

public void setGeneralPath(GeneralPathX generalPathX)

Description copied from interface: OrientablePrimitive

Sets all the coordinates of the curve

Specified by:

setGeneralPath in interface OrientablePrimitive

Parameters:

generalPathX - The generalPath that contains all the coordinates

addMoveToVertex

public void addMoveToVertex(Point point)

Description copied from interface: OrientablePrimitive

Adds a vertex (or direct position) to the curve

Specified by:

addMoveToVertex in interface OrientablePrimitive

Parameters:

point - The new point to add

closePrimitive

public void closePrimitive()

Description copied from interface: OrientablePrimitive

Closes the geometry

Specified by:

closePrimitive in interface OrientablePrimitive

ensureCapacity

public OrientablePrimitive ensureCapacity(int capacity)

Specified by:

ensureCapacity in interface OrientablePrimitive

reProject

public void reProject(ICoordTrans ct)

Description copied from interface: Geometry

Reprojects this geometry by the coordinate transformer passed as parameter.

Specified by:

reProject in interface Geometry

Parameters:

ct - Coordinate Transformer.

transform

public void transform(java.awt.geom.AffineTransform at)

Description copied from interface: Geometry

It applies an affine transformation to the geometry. If parameter value is null, it will be considered an empty transformation, therefore equivalent to the identity transformation.

Specified by:

transform in interface Geometry

Parameters:

at - The transformation to apply.

getDimension

public int getDimension()

Description copied from interface: Geometry

Returns the largest number n such that each direct position in a geometric set can be associated with a subset that has the direct position in its interior and is similar (isomorphic) to Rn, Euclidean n-space.

Specified by:

getDimension in interface Geometry

Returns:

The dimension.

getShape

public java.awt.Shape getShape(java.awt.geom.AffineTransform affineTransform)

Specified by:

getShape in interface Geometry

Returns:

the awt shape used to display the geometry. It applies a tranformation before to return the coordinates of the shape

getShape

public java.awt.Shape getShape()

Specified by:

getShape in interface Geometry

Returns:

the awt shape used to display the geometry.

is3D

public boolean is3D()

Specified by:

is3D in interface GeometryJTS

fixPoint

protected abstract Point fixPoint(Point point)

Parameters:

point -

Returns:

setPoints

public void setPoints(Point startPoint,
                      Point midPoint,
                      Point endPoint)

Description copied from interface: Arc

Sets the three points to define an arc. These are three ordered points that belong to the arc (none of them is the center of the ellipse/circle). Therefore they must not be aligned.

Specified by:

setPoints in interface Arc

Parameters:

startPoint - The start point of an arc.

midPoint - The middle point of an arc.

endPoint - The end point of an arc.

getInitPoint

public Point getInitPoint()

Description copied from interface: Arc

Return the first point that has been used to create the arc.

Specified by:

getInitPoint in interface Arc

Returns:

The first point of the arc.

getEndPoint

public Point getEndPoint()

Description copied from interface: Arc

Return the end point that has been used to create the arc.

Specified by:

getEndPoint in interface Arc

Returns:

The end point of the arc.

getMiddlePoint

public Point getMiddlePoint()

Description copied from interface: Arc

Return the middle point of the arc.

Specified by:

getMiddlePoint in interface Arc

Returns:

The middle point of the arc.

normalizeAngle

protected double normalizeAngle(double angle)

Leaves the angle between PI and -PI

Parameters:

angle - (radians)

Returns:

setPointsStartExt

public void setPointsStartExt(Point center,
                              double radius,
                              double startAngle,
                              double angleExt)

Description copied from interface: Arc

Sets the values to define an arc.

Specified by:

setPointsStartExt in interface Arc

Parameters:

center - The center of the arc.

radius - The radius.

startAngle - The start angle of the arc (in radians)

angleExt - The angular extent of the arc (in radians). The sign convention is: startAngle = 0 is "3 o'clock"; startAngle = (PI / 3) is "1 o'clock"; angleExt > 0 means "advancing clockwise"; angleExt < 0 means "advancing counterclockwise".

setPointsStartEnd

public void setPointsStartEnd(Point center,
                              double radius,
                              double startAngle,
                              double endAngle)

Description copied from interface: Arc

Sets the values to define an arc. The arc will go from startAngle to endAngle clockwise. Angles will be normalized to ]-PI, PI] (-PI excluded) before creating the arc.

Specified by:

setPointsStartEnd in interface Arc

Parameters:

center - The center of the arc.

radius - The radius.

startAngle - The start angle of the arc (in radians)

endAngle - The end angle of the arc (in radians).

getGeneralPath

public GeneralPathX getGeneralPath()

Description copied from interface: Geometry

Get GeneralPathIterator, to do registered operations to it.

Specified by:

getGeneralPath in interface Geometry

Returns:

The GeneralPathX.

getPathIterator

public java.awt.geom.PathIterator getPathIterator(java.awt.geom.AffineTransform at)

Description copied from interface: Geometry

If applies an affine transformation and returns the GeneralPathXIterator with this geometry's information.

Specified by:

getPathIterator in interface java.awt.Shape

Specified by:

getPathIterator in interface Geometry

Parameters:

at - The transformation to apply.

Returns:

The GeneralPathXIterator with this geometry's information.

getPathIterator

public java.awt.geom.PathIterator getPathIterator(java.awt.geom.AffineTransform at,
                                                  double flatness)

Description copied from interface: Geometry

If applies an affine transformation and returns the GeneralPathXIterator with this geometry's information.

Specified by:

getPathIterator in interface java.awt.Shape

Specified by:

getPathIterator in interface Geometry

Parameters:

at - The affine transformation.

Returns:

The GeneralPathXIterator with this geometry's information.

flip

public void flip()
          throws GeometryOperationNotSupportedException,
                 GeometryOperationException

Description copied from interface: Geometry

Flip the coordinates of the geometry. If the geometry is aggregate also revert the primitives collection.

Specified by:

flip in interface Geometry

Throws:

GeometryOperationNotSupportedException

GeometryOperationException

getStartAngle

public double getStartAngle()

Description copied from interface: Arc

Returns the counterclockwise angle formed by the horizontal line passing through the center, the center itself and the starting point.

Specified by:

getStartAngle in interface Arc

Returns:

getEndAngle

public double getEndAngle()

Description copied from interface: Arc

Returns the counterclockwise angle formed by the horizontal line passing through the center, the center itself and the ending point.

Specified by:

getEndAngle in interface Arc

Returns:

offset

public Geometry offset(double distance)
                throws GeometryOperationNotSupportedException,
                       GeometryOperationException

Specified by:

offset in interface Geometry

Returns:

Throws:

GeometryOperationNotSupportedException

GeometryOperationException

offset

public Geometry offset(int joinStyle,
                       double distance)
                throws GeometryOperationNotSupportedException,
                       GeometryOperationException

Specified by:

offset in interface Geometry

Returns:

Throws:

GeometryOperationNotSupportedException

GeometryOperationException

getScaleAffineTransform

protected java.awt.geom.AffineTransform getScaleAffineTransform(Point center,
                                                                java.lang.Double scale)
                                                         throws GeometryOperationNotSupportedException,
                                                                GeometryOperationException

Throws:

GeometryOperationNotSupportedException

GeometryOperationException

canBeTransformed

public boolean canBeTransformed(java.awt.geom.AffineTransform at)

Description copied from interface: Geometry

Return true if the geometry can be transformed by the affine transform

Specified by:

canBeTransformed in interface Geometry

Parameters:

at - the affine transform

Returns:

canBeReprojected

public boolean canBeReprojected(ICoordTrans ct)

Description copied from interface: Geometry

Return true if the geometry can be reprojected by the coordinate transformation

Specified by:

canBeReprojected in interface Geometry

Parameters:

ct - the coordinate transformation

Returns:

force2D

public Geometry force2D()
                 throws GeometryOperationNotSupportedException,
                        GeometryOperationException

Specified by:

force2D in interface Geometry

Returns:

Throws:

GeometryOperationNotSupportedException

GeometryOperationException

force2DM

public Geometry force2DM()
                  throws GeometryOperationNotSupportedException,
                         GeometryOperationException

Specified by:

force2DM in class AbstractGeometry

Throws:

GeometryOperationNotSupportedException

GeometryOperationException

force3D

public Geometry force3D()
                 throws GeometryOperationNotSupportedException,
                        GeometryOperationException

Specified by:

force3D in class AbstractGeometry

Throws:

GeometryOperationNotSupportedException

GeometryOperationException

force3DM

public Geometry force3DM()
                  throws GeometryOperationNotSupportedException,
                         GeometryOperationException

Specified by:

force3DM in class AbstractGeometry

Throws:

GeometryOperationNotSupportedException

GeometryOperationException

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Geometry

Specified by:

isEmpty in interface IsEmpty

Overrides:

isEmpty in class AbstractCurve