Package org.opensourcephysics.display2d

Class InterpolatedPlot

java.lang.Object
org.opensourcephysics.display.MeasuredImage
org.opensourcephysics.display2d.InterpolatedPlot
All Implemented Interfaces:
Drawable, Measurable, Plot2D
Direct Known Subclasses:
Carpet
public class InterpolatedPlot extends MeasuredImage implements Plot2D
InterpolatedPlot creates an image of a scalar field by interpolating every image pixel to an untabulated point (x,y) in the 2d data. This interpolation smooths the resulting image.
Version:
1.0
Author:
Wolfgang Christian

  • Field Details

    • imageType

      protected int imageType

    • pixelData

      protected byte[] pixelData

  • Constructor Details

    • InterpolatedPlot

      public InterpolatedPlot()
      Constructs an InterpolatedPlot without data.

    • InterpolatedPlot

      public InterpolatedPlot(GridData _griddata)
      Constructs the InterpolatedPlot using the given data storage.
      Parameters:
      _griddata -

  • Method Details

    • getGridData

      public GridData getGridData()
      Gets the GridData object.
      Specified by:
      getGridData in interface Plot2D
      Returns:
      GridData

    • indexToX

      public double indexToX(int i)
      Gets the x coordinate for the given index.
      Specified by:
      indexToX in interface Plot2D
      Parameters:
      i - int
      Returns:
      double the x coordinate

    • indexToY

      public double indexToY(int i)
      Gets the y coordinate for the given index.
      Specified by:
      indexToY in interface Plot2D
      Parameters:
      i - int
      Returns:
      double the y coordinate

    • xToIndex

      public int xToIndex(double x)
      Gets closest index from the given x world coordinate.
      Specified by:
      xToIndex in interface Plot2D
      Parameters:
      x - double the coordinate
      Returns:
      int the index

    • yToIndex

      public int yToIndex(double y)
      Gets closest index from the given y world coordinate.
      Specified by:
      yToIndex in interface Plot2D
      Parameters:
      y - double the coordinate
      Returns:
      int the index

    • setAll

      public void setAll(Object obj)
      Sets the data to new values. The grid is resized to fit the new data if needed.
      Specified by:
      setAll in interface Plot2D
      Parameters:
      obj -

    • setAll

      public void setAll(Object obj, double xmin, double xmax, double ymin, double ymax)
      Sets the values and the scale. The grid is resized to fit the new data if needed.
      Specified by:
      setAll in interface Plot2D
      Parameters:
      obj - array of new values
      xmin - double
      xmax - double
      ymin - double
      ymax - double

    • setGridData

      public void setGridData(GridData _griddata)
      Sets the data to the given griddata.
      Specified by:
      setGridData in interface Plot2D
      Parameters:
      _griddata -

    • setAutoscaleZ

      public void setAutoscaleZ(boolean isAutoscale, double floor, double ceil)
      Sets the autoscale flag and the floor and ceiling values for the colors. If autoscaling is true, then the min and max values of z are span the colors. If autoscaling is false, then floor and ceiling values limit the colors. Values below min map to the first color; values above max map to the last color.
      Specified by:
      setAutoscaleZ in interface Plot2D
      Parameters:
      isAutoscale -
      floor -
      ceil -

    • setSymmetricZ

      public void setSymmetricZ(boolean symmetric)
      Forces the z-scale to be symmetric about zero. Forces zmax to be positive and zmin=-zmax when in autoscale mode.
      Specified by:
      setSymmetricZ in interface Plot2D
      Parameters:
      symmetric -

    • isSymmetricZ

      public boolean isSymmetricZ()
      Gets the symmetric z flag.
      Specified by:
      isSymmetricZ in interface Plot2D

    • isAutoscaleZ

      public boolean isAutoscaleZ()
      Gets the autoscale flag for z.
      Specified by:
      isAutoscaleZ in interface Plot2D
      Returns:
      boolean

    • getFloor

      public double getFloor()
      Gets the floor for scaling the z data.
      Specified by:
      getFloor in interface Plot2D
      Returns:
      double

    • getCeiling

      public double getCeiling()
      Gets the ceiling for scaling the z data.
      Specified by:
      getCeiling in interface Plot2D
      Returns:
      double

    • setShowGridLines

      public void setShowGridLines(boolean showGrid)
      Sets the show grid option.
      Specified by:
      setShowGridLines in interface Plot2D
      Parameters:
      showGrid -

    • setGridLineColor

      public void setGridLineColor(Color c)
      Sets the color for grid line boundaries
      Specified by:
      setGridLineColor in interface Plot2D
      Parameters:
      c -

    • setIndexes

      public void setIndexes(int[] indexes)
      Sets the indexes for the data component that will be plotted.
      Specified by:
      setIndexes in interface Plot2D
      Parameters:
      indexes - the sample-component

    • setPaletteType

      public void setPaletteType(int type)
      Determines the palette type that will be used.
      Specified by:
      setPaletteType in interface Plot2D
      Parameters:
      type -

    • setColorPalette

      public void setColorPalette(Color[] colors)
      Sets the colors that will be used between the floor and ceiling values.
      Specified by:
      setColorPalette in interface Plot2D
      Parameters:
      colors -

    • setFloorCeilColor

      public void setFloorCeilColor(Color floorColor, Color ceilColor)
      Sets the floor and ceiling colors.
      Specified by:
      setFloorCeilColor in interface Plot2D
      Parameters:
      floorColor -
      ceilColor -

    • setExpandedZ

      public void setExpandedZ(boolean expanded, double expansionFactor)
      Expands the z scale so as to enhance values close to zero.
      Specified by:
      setExpandedZ in interface Plot2D
      Parameters:
      expanded - boolean
      expansionFactor - double

    • update

      public void update()
      Updates the buffered image using the data array.
      Specified by:
      update in interface Plot2D

    • checkImage

      protected void checkImage(DrawingPanel panel)
      Checks if the image is the correct size.

    • recolorImage

      protected void recolorImage()
      Recolors the image pixels using the data array.

    • writeToRaster

      protected void writeToRaster(double x0, double y, double dx, double dy)

    • showLegend

      public JFrame showLegend()
      Shows how values map to colors.
      Specified by:
      showLegend in interface Plot2D

    • isMeasured

      public boolean isMeasured()
      Description copied from interface: Measurable
      Determines if information is available to set min/max values. Objects that store data should return false if data is null.
      Specified by:
      isMeasured in interface Measurable
      Overrides:
      isMeasured in class MeasuredImage
      Returns:
      true if min/max values are valid

    • draw

      public void draw(DrawingPanel panel, Graphics g)
      Draws the image and the grid.
      Specified by:
      draw in interface Drawable
      Overrides:
      draw in class MeasuredImage
      Parameters:
      panel -
      g -

    • getLoader

      public static XML.ObjectLoader getLoader()
      Gets an XML.ObjectLoader to save and load data for this program.
      Returns:
      the object loader