SegmentCircle

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devisor2.foundation.boundary
Class SegmentCircle

java.lang.Object
  devisor2.foundation.GridItem
      devisor2.foundation.boundary.Segment
          devisor2.foundation.boundary.SegmentCircle

All Implemented Interfaces:: java.io.Serializable

public class SegmentCircle
extends Segment
implements java.io.Serializable

This class represents the Segment type CIRCLE. As always, coordinates are all given in world space (the big ints). A circle is completely defined by the midpoints, its radius, and a start- and end angle of the arc. These angles are all measured in degrees against the three o'clock position.

See Also:: Segment, Serialized Form

Field Summary

Fields inherited from class devisor2.foundation.boundary.Segment

boundary, orientation_marker_1, orientation_marker_2, orientation_marker_3, tmax

Fields inherited from class devisor2.foundation.GridItem

cc, marked, transformed, xmax, xmin, ymax, ymin

Constructor Summary
`SegmentCircle()` creates an empty SegmentCircle
`SegmentCircle(int tx, int ty, int tr, double tsa, double tsb)` creates the segment type circle

Method Summary
`void`	`adjustPerimeter(Node n, int index)` change coordinates therefor, that at indes 0 that the beginning of this segment is at node 'n', else that the ending of this segment is at node 'n'.
`java.lang.Object`	`clone()` creates a full clone of the SegmentCircle object, including boundary information
`void`	`draw(java.awt.Graphics g)` draws the segment
`Node`	`getCartesianCoords(double t)` gets the cartesian coordinates of the node according to parameter t
`double`	`getEndAngle()` returns the end angle (in degrees)
`int[]`	`getMidPoint()` returns the midpoint of the circle (WORLD COORDS)
`double[]`	`getParameters()` gets the parameters of the circle
`double`	`getParameterValue(Node n)` calculate parameter value of node 'n' from its x/y coordinates (note: only the relative parameter value is calculated, the boundary-wide value is not considered)
`int[]`	`getParams()` gets the parameters of the circle
`java.awt.Rectangle`	`getPerimeter()` returns the perimeter of the Circle element, that is the smallest bounding box completely containing the Circle
`int`	`getRadius()` returns the radius of the circle (WORLD COORDS)
`double`	`getStartAngle()` returns the start angle (in degrees)
`boolean`	`isHit(int xx, int yy)` Determines if the item has been hit by a click on the grid ALL IN WORLD COORDINATES to avoid the snap mechanism
`boolean`	`isInside(int[] topleft, int[] bottomright)` Is the item inside a given rectangular area? All in WORLD COORDINATES!!!
`boolean`	`isOnBoundary(int tx, int ty)` returns whether or not a point lies on a boundary segment
`void`	`performMirror(double nx, double ny, double px, double py)` This method mirrors the circle at the given line
`void`	`performTransformation(GridTransformation trafo)` applies the given affine transformation to the circle
`void`	`setEndAngle(double angle)` sets the end angle (in degrees)
`void`	`setMidPoint(int xx, int yy)` sets the midpoint to the given parameters (WORLD COORDS)
`void`	`setParameters(double[] ux)` sets the parameters of the Circle
`void`	`setParams(int[] ux)` sets the parameters of the Circle
`void`	`setRadius(int newr)` sets the radius to the given value (WORLD COORDS)
`void`	`setStartAngle(double angle)` sets the start angle (in degrees)
`void`	`swapPerimeter()` inverts orientation of this segment without changing parameter values of related boundarynodes.
`void`	`updateInnerData()` updates the inner variables xmin, xmax, ymin, ymax and the polygonal representation of the circle object

Methods inherited from class devisor2.foundation.boundary.Segment

drawOrientationMarker, getBoundary, getBoundaryNumber, getSegmentNumber, getTMax, setBoundary, setTMax

Methods inherited from class devisor2.foundation.GridItem

clearTransformedFlag, isMarked, setMarker, setMarker, unsetMarker

Methods inherited from class java.lang.Object

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

Constructor Detail

SegmentCircle

public SegmentCircle(int tx,
                     int ty,
                     int tr,
                     double tsa,
                     double tsb)

creates the segment type circle
Parameters:: tr - radius

SegmentCircle

public SegmentCircle()

creates an empty SegmentCircle

Method Detail

setParameters

public void setParameters(double[] ux)

sets the parameters of the Circle

Specified by:: setParameters in class Segment

getParameters

public double[] getParameters()

gets the parameters of the circle

Specified by:: getParameters in class Segment

setParams

public void setParams(int[] ux)

sets the parameters of the Circle

Specified by:: setParams in class Segment

getParams

public int[] getParams()

gets the parameters of the circle

Specified by:: getParams in class Segment

getRadius

public int getRadius()

returns the radius of the circle (WORLD COORDS)

setRadius

public void setRadius(int newr)

sets the radius to the given value (WORLD COORDS)

getMidPoint

public int[] getMidPoint()

returns the midpoint of the circle (WORLD COORDS)

setMidPoint

public void setMidPoint(int xx,
                        int yy)

sets the midpoint to the given parameters (WORLD COORDS)

getStartAngle

public double getStartAngle()

returns the start angle (in degrees)

setStartAngle

public void setStartAngle(double angle)

sets the start angle (in degrees)

getEndAngle

public double getEndAngle()

returns the end angle (in degrees)

setEndAngle

public void setEndAngle(double angle)

sets the end angle (in degrees)