Package weka.gui.visualize

Class Plot2D

java.lang.Object
java.awt.Component
java.awt.Container
javax.swing.JComponent
javax.swing.JPanel
weka.gui.visualize.Plot2D
All Implemented Interfaces:
ImageObserver, MenuContainer, Serializable, Accessible
public class Plot2D extends JPanel
This class plots datasets in two dimensions. It can also plot classifier errors and clusterer predictions.
Version:
$Revision: 14582 $
Author:
Mark Hall (mhall@cs.waikato.ac.nz)
See Also:

  • Field Details

  • Constructor Details

    • Plot2D

      public Plot2D()
      Constructor

  • Method Details

    • applySettings

      public void applySettings(Settings settings, String ownerID)
      Apply settings
      Parameters:
      settings - the settings to apply
      ownerID - the ID of the owner perspective, panel etc. to use when looking up our settings

    • setPlotCompanion

      public void setPlotCompanion(Plot2DCompanion p)
      Set a companion class. This is a class that might want to render something on the plot before we do our thing. Eg, Malcolm's shape drawing stuff needs to happen before we plot axis and points
      Parameters:
      p - a companion class

    • setJitter

      public void setJitter(int j)
      Set level of jitter and repaint the plot using the new jitter value
      Parameters:
      j - the level of jitter

    • setColours

      public void setColours(ArrayList<Color> cols)
      Set a list of colours to use when colouring points according to class values or cluster numbers
      Parameters:
      cols - the list of colours to use

    • setXindex

      public void setXindex(int x)
      Set the index of the attribute to go on the x axis
      Parameters:
      x - the index of the attribute to use on the x axis

    • setYindex

      public void setYindex(int y)
      Set the index of the attribute to go on the y axis
      Parameters:
      y - the index of the attribute to use on the y axis

    • setCindex

      public void setCindex(int c)
      Set the index of the attribute to use for colouring
      Parameters:
      c - the index of the attribute to use for colouring

    • getPlots

      public ArrayList<PlotData2D> getPlots()
      Return the list of plots
      Returns:
      the list of plots

    • getMasterPlot

      public PlotData2D getMasterPlot()
      Get the master plot
      Returns:
      the master plot

    • getMaxX

      public double getMaxX()
      Return the current max value of the attribute plotted on the x axis
      Returns:
      the max x value

    • getMaxY

      public double getMaxY()
      Return the current max value of the attribute plotted on the y axis
      Returns:
      the max y value

    • getMinX

      public double getMinX()
      Return the current min value of the attribute plotted on the x axis
      Returns:
      the min x value

    • getMinY

      public double getMinY()
      Return the current min value of the attribute plotted on the y axis
      Returns:
      the min y value

    • getMaxC

      public double getMaxC()
      Return the current max value of the colouring attribute
      Returns:
      the max colour value

    • getMinC

      public double getMinC()
      Return the current min value of the colouring attribute
      Returns:
      the min colour value

    • setInstances

      public void setInstances(Instances inst) throws Exception
      Sets the master plot from a set of instances
      Parameters:
      inst - the instances
      Throws:
      Exception - if instances could not be set

    • setMasterPlot

      public void setMasterPlot(PlotData2D master) throws Exception
      Set the master plot.
      Parameters:
      master - the plot to make the master plot
      Throws:
      Exception - if the plot could not be set.

    • removeAllPlots

      public void removeAllPlots()
      Clears all plots

    • addPlot

      public void addPlot(PlotData2D newPlot) throws Exception
      Add a plot to the list of plots to display
      Parameters:
      newPlot - the new plot to add
      Throws:
      Exception - if the plot could not be added

    • searchPoints

      public void searchPoints(int x, int y, boolean newFrame)
      Pops up a window displaying attribute information on any instances at a point+-plotting_point_size (in panel coordinates)
      Parameters:
      x - the x value of the clicked point
      y - the y value of the clicked point
      newFrame - true if instance info is to be displayed in a new frame.

    • determineBounds

      public void determineBounds()
      Determine the min and max values for axis and colouring attributes

    • convertToAttribX

      public double convertToAttribX(double scx)
      convert a Panel x coordinate to a raw x value.
      Parameters:
      scx - The Panel x coordinate
      Returns:
      A raw x value.

    • convertToAttribY

      public double convertToAttribY(double scy)
      convert a Panel y coordinate to a raw y value.
      Parameters:
      scy - The Panel y coordinate
      Returns:
      A raw y value.

    • convertToPanelX

      public double convertToPanelX(double xval)
      Convert an raw x value to Panel x coordinate.
      Parameters:
      xval - the raw x value
      Returns:
      an x value for plotting in the panel.

    • convertToPanelY

      public double convertToPanelY(double yval)
      Convert an raw y value to Panel y coordinate.
      Parameters:
      yval - the raw y value
      Returns:
      an y value for plotting in the panel.

    • paintComponent

      public void paintComponent(Graphics gx)
      Renders this component
      Parameters:
      gx - the graphics context

    • main

      public static void main(String[] args)
      Main method for testing this class
      Parameters:
      args - arguments