Documentation of 'jhplot.HJavaView' Java class.
HJavaView
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jhplot

Class HJavaView


  • public class HJavaView
extends java.lang.Object
    Interactive canvas for visualizing and experimenting with a variety of mathematical objects using JavaView.

    • Constructor Summary

      Constructors 
      Constructor and Description
      HJavaView()
      Construct a canvas with default parameters.
      HJavaView(java.lang.String exhibitName, int xsize, int ysize)
      Create canvas for showing mathematical object.
      HJavaView(java.lang.String exhibitName, int xsize, int ysize, java.awt.Color background)
      Create canvas for showing mathematical object.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method and Description
      PgGeometry add(F2D f2d)
      Create a graphic object from a 2D function.
      PgGeometry[] add(F2D[] f2d)
      Create a list of graphic objects from 2D functions;
      void clear()
      Clear the current graph including graph settings.
      void close()
      Close the canvas (and dispose all components) Note: a memory leak is found - no time to study it.
      void doc()
      Show online documentation.
      void draw(F2D f2d)
      Draw a 2D function.
      void draw(F2D[] f2d)
      Draw array of functions.
      void draw(PgGeometry geom)
      Draw a mathematical object.
      void draw(PgGeometry[] obj)
      Draw array of objects.
      boolean export(java.lang.String file)
      Export graph into an image file.
      PsMainFrame getFrame()
      Get the current frame.
      PvViewer getView()
      Get the current view.
      void visible()
      Show the canvas
      void visible(boolean vs)
      Set the canvas frame visible or not

      • Methods inherited from class java.lang.Object

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

    • Constructor Detail

      • HJavaView

        public HJavaView(java.lang.String exhibitName,
                 int xsize,
                 int ysize,
                 java.awt.Color background)
        Create canvas for showing mathematical object.
        Parameters:
        exhibitName - name of this canvas
        xsize - size in x direction
        ysize - size in y direction
        background - background color

      • HJavaView

        public HJavaView(java.lang.String exhibitName,
                 int xsize,
                 int ysize)
        Create canvas for showing mathematical object. Uses white background.
        Parameters:
        exhibitName - name of this canvas
        xsize - size in x direction
        ysize - size in y direction

      • HJavaView

        public HJavaView()
        Construct a canvas with default parameters. Use white background.

    • Method Detail

      • clear

        public void clear()
        Clear the current graph including graph settings.

      • draw

        public void draw(PgGeometry geom)
        Draw a mathematical object.
        Parameters:
        geom - mathematical object to be shown.

      • draw

        public void draw(F2D f2d)
        Draw a 2D function.
        Parameters:
        f2d - function for drawing

      • draw

        public void draw(F2D[] f2d)
        Draw array of functions.
        Parameters:
        f2d - array of 2D functions.

      • draw

        public void draw(PgGeometry[] obj)
        Draw array of objects.
        Parameters:
        obj - array of 3D objects

      • add

        public PgGeometry[] add(F2D[] f2d)
        Create a list of graphic objects from 2D functions;
        Parameters:
        f2d - list with mathematical objects to be shown.
        Returns:
        list with geometry objects which can be directly plotted.

      • add

        public PgGeometry add(F2D f2d)
        Create a graphic object from a 2D function. Prepare it for drawing as a surface plot. Ranges and number of points are taken from F2D definitions.
        Parameters:
        f2d - mathematical object to be shown.
        Returns:
        geometry object which can be directly plotted.

      • export

        public boolean export(java.lang.String file)
        Export graph into an image file. The the image format is given by extension. The following extensions are supported: "gif", "jpg", "png", "ppm", "eps", "ps".
        Parameters:
        filename - file name

      • getView

        public PvViewer getView()
        Get the current view.
        Returns:
        current view.

      • getFrame

        public PsMainFrame getFrame()
        Get the current frame.
        Returns:
        current view.

      • visible

        public void visible(boolean vs)
        Set the canvas frame visible or not
        Parameters:
        vs - (boolean) true: visible, false: not visible

      • visible

        public void visible()
        Show the canvas

      • close

        public void close()
        Close the canvas (and dispose all components) Note: a memory leak is found - no time to study it. set to null all the stuff

      • doc

        public void doc()
        Show online documentation.
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