Package org.opensourcephysics.cabrillo.tracker

Class ProtractorStep

java.lang.Object
org.opensourcephysics.cabrillo.tracker.Step
org.opensourcephysics.cabrillo.tracker.ProtractorStep
All Implemented Interfaces:
Cloneable
public class ProtractorStep extends Step
This is a Step for a Protractor. It is used for measuring angles.
Author:
Douglas Brown

  • Field Details

    • transform

      protected static AffineTransform transform

    • endPoint1

      protected static TPoint endPoint1

    • endPoint2

      protected static TPoint endPoint2

    • middle

      protected static TPoint middle

    • formatField

      protected static NumberField formatField

    • protractor

      protected Protractor protractor

    • vertex

      protected TPoint vertex

    • end1

      protected TPoint end1

    • end2

      protected TPoint end2

    • handle

      protected org.opensourcephysics.cabrillo.tracker.ProtractorStep.Handle handle

    • rotator

      protected org.opensourcephysics.cabrillo.tracker.ProtractorStep.Rotator rotator

    • line1Angle

      protected double line1Angle

    • line2Angle

      protected double line2Angle

    • endsEnabled

      protected boolean endsEnabled

    • drawArcCircle

      protected boolean drawArcCircle

    • drawLayoutBounds

      protected boolean drawLayoutBounds

    • drawLayout1

      protected boolean drawLayout1

    • drawLayout2

      protected boolean drawLayout2

    • drawLayoutAngle

      protected boolean drawLayoutAngle

    • vertexCircle

      protected org.opensourcephysics.cabrillo.tracker.MultiShape vertexCircle

    • panelVertexShapes

      protected Map<Integer,Shape> panelVertexShapes

    • panelEnd1Shapes

      protected Map<Integer,Shape> panelEnd1Shapes

    • panelEnd2Shapes

      protected Map<Integer,Shape> panelEnd2Shapes

    • panelLine1Shapes

      protected Map<Integer,Shape> panelLine1Shapes

    • panelLine2Shapes

      protected Map<Integer,Shape> panelLine2Shapes

    • panelRotatorShapes

      protected Map<Integer,Shape> panelRotatorShapes

    • panelTextLayouts

      protected Map<Integer,OSPRuntime.TextLayout> panelTextLayouts

    • panelLayoutBounds

      protected Map<Integer,Rectangle> panelLayoutBounds

    • panelTextLayouts1

      protected Map<Integer,OSPRuntime.TextLayout> panelTextLayouts1

    • panelLayout1Bounds

      protected Map<Integer,Rectangle> panelLayout1Bounds

    • panelTextLayouts2

      protected Map<Integer,OSPRuntime.TextLayout> panelTextLayouts2

    • panelLayout2Bounds

      protected Map<Integer,Rectangle> panelLayout2Bounds

    • selectedShape

      protected Shape selectedShape

  • Constructor Details

    • ProtractorStep

      public ProtractorStep(Protractor track, int n, double x1, double y1, double x2, double y2)
      Constructs a ProtractorStep with specified end point coordinates in image space.
      Parameters:
      track - the track
      n - the frame number
      x1 - the x coordinate of end 1
      y1 - the y coordinate of end 1
      x2 - the x coordinate of end 2
      y2 - the y coordinate of end 2

  • Method Details

    • setEndsEnabled

      public void setEndsEnabled(boolean enabled)
      Enables and disables the interactivity of the ends.
      Parameters:
      enabled - true to enable the ends

    • isEndsEnabled

      public boolean isEndsEnabled()
      Gets whether the ends are enabled.
      Returns:
      true if the ends are enabled

    • setFootprint

      public void setFootprint(Footprint footprint)
      Overrides Step setFootprint method.
      Overrides:
      setFootprint in class Step
      Parameters:
      footprint - the footprint

    • findInteractive

      public Interactive findInteractive(DrawingPanel panel, int xpix, int ypix)
      Overrides Step findInteractive method.
      Overrides:
      findInteractive in class Step
      Parameters:
      panel - the drawing panel
      xpix - the x pixel position
      ypix - the y pixel position
      Returns:
      the Interactive that is hit, or null

    • draw

      public void draw(DrawingPanel panel, Graphics _g)
      Overrides Step draw method.
      Overrides:
      draw in class Step
      Parameters:
      panel - the drawing panel requesting the drawing
      _g - the graphics context on which to draw

    • getMark

      protected Mark getMark(TrackerPanel trackerPanel)
      Overrides Step getMark method.
      Overrides:
      getMark in class Step
      Parameters:
      trackerPanel - the tracker panel
      Returns:
      the mark

    • getFormattedLength

      public String getFormattedLength(TPoint end)
      Formats the specified length value.
      Parameters:
      length - the length value to format
      Returns:
      the formatted length string

    • getProtractorAngle

      public double getProtractorAngle(boolean refreshField)
      Gets the protractor angle.
      Parameters:
      refreshField - true to refresh the protractor angleField
      Returns:
      the angle in radians

    • setProtractorAngle

      public void setProtractorAngle(double theta)
      Sets the protractor angle of this tape.
      Parameters:
      theta - the angle in radians

    • getArmLength

      public double getArmLength(TPoint end)
      Gets the world length of the base or arm.
      Parameters:
      end - TPoint end1 or end2
      Returns:
      the length in world units

    • setArmLength

      public void setArmLength(TPoint end, double length)
      Sets the arm length of this tape.
      Parameters:
      end - the arm end
      length - the desired length in world units

    • moveVertexTo

      protected void moveVertexTo(double x, double y)
      Moves the protractor so the vertex is at the specified position.
      Parameters:
      x -
      y -

    • clone

      public Object clone()
      Clones this Step.
      Overrides:
      clone in class Step
      Returns:
      a clone of this step

    • toString

      public String toString()
      Returns a String describing this.
      Overrides:
      toString in class Step
      Returns:
      a descriptive string

    • n

      public int n()
      Returns the frame number.
      Returns:
      the frame number

    • getLength

      public static int getLength()
      Gets the step length.
      Returns:
      the length of the points array