at.tuwien.ifs.somtoolbox.visualization
Class UMatrix
java.lang.Object
at.tuwien.ifs.somtoolbox.visualization.AbstractBackgroundImageVisualizer
at.tuwien.ifs.somtoolbox.visualization.AbstractMatrixVisualizer
at.tuwien.ifs.somtoolbox.visualization.UMatrix
- All Implemented Interfaces:
- BackgroundImageVisualizer, MatrixVisualizer, Comparable<BackgroundImageVisualizer>
- Direct Known Subclasses:
- GapVisualiser, PMatrix
public class UMatrix
- extends AbstractMatrixVisualizer
- implements BackgroundImageVisualizer
This Visualizer provides two variants of the U-Matrix.
- Implementation of the classic U-Matrix as described in Ultsch, A., and Siemon, H.P. Kohonen's Self
Organizing Feature Maps for Exploratory Data Analysis. In Proc. Intern. Neural Networks, 1990, pp. 305-308, Kluwer
Academic Press, Paris, France..
- Same as 1., but D-Matrix Values only.
- Version:
- $Id: UMatrix.java 3852 2010-10-12 13:32:25Z mayer $
- Author:
- Michael Dittenbach, Rudolf Mayer
Fields inherited from class at.tuwien.ifs.somtoolbox.visualization.AbstractBackgroundImageVisualizer |
cache, CACHE_KEY_SECTION_SEPARATOR, CACHE_KEY_SEPARATOR, contourInterpolationMode, contourMode, controlPanel, currentZDimSlice, inputObjects, interpolate, log, map, MAX_CACHE_SIZE_MB, neededInputObjects, NUM_VISUALIZATIONS, numberOfContours, opacity, preferredScaleFactor, VISUALIZATION_DESCRIPTIONS, VISUALIZATION_NAMES, VISUALIZATION_SHORT_NAMES, visualizationUpdateListener, zSize |
Methods inherited from class at.tuwien.ifs.somtoolbox.visualization.AbstractMatrixVisualizer |
computeHitHistogram, computeSpline, constrainWithinPalette, createImage, drawContour, getCacheKey, getCurrentPalette, getMaximumMatrixValue, getMinimumMatrixValue, getPalette, getVisualization, invalidateCache, reversePalette, setInterpolate, setPalette |
Methods inherited from class at.tuwien.ifs.somtoolbox.visualization.AbstractBackgroundImageVisualizer |
appendToCacheKey, buildCacheKey, checkNeededObjectsAvailable, checkVariantIndex, clearVisualisationCache, compareTo, createVisualization, drawBackground, getControlPanel, getHTMLVisualisationControl, getNumberOfVisualizations, getPreferredScaleFactor, getVariantException, getVisualizationDescription, getVisualizationDescriptions, getVisualizationFlavours, getVisualizationFlavours, getVisualizationFlavours, getVisualizationName, getVisualizationNames, getVisualizationShortName, getVisualizationShortNames, invalidateCache, logImageCache, needsAdditionalFiles, setInputObjects, setMap, setSOMData, setVisualizationUpdateListener |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface at.tuwien.ifs.somtoolbox.visualization.BackgroundImageVisualizer |
getControlPanel, getHTMLVisualisationControl, getNumberOfVisualizations, getPreferredScaleFactor, getVisualization, getVisualizationDescription, getVisualizationDescriptions, getVisualizationFlavours, getVisualizationFlavours, getVisualizationFlavours, getVisualizationName, getVisualizationNames, getVisualizationShortName, getVisualizationShortNames, needsAdditionalFiles, setInputObjects, setMap, setSOMData, setVisualizationUpdateListener |
UMATRIX_SHORT_NAMES
public static final String[] UMATRIX_SHORT_NAMES
UMatrix
public UMatrix()
createVisualization
public BufferedImage createVisualization(int index,
GrowingSOM gsom,
int width,
int height)
throws SOMToolboxException
- Description copied from class:
AbstractBackgroundImageVisualizer
- Creates a visualisation image. Subclasses must implement this method.
- Specified by:
createVisualization
in class AbstractBackgroundImageVisualizer
- Parameters:
index
- the index of the variant to usegsom
- the GrowingSOM to take build the visualisation forwidth
- the desired width of the image, in pixelsheight
- the desired height of the image, in pixels.
- Returns:
- an image for this visualisation.
- Throws:
SOMToolboxException
createOriginalDMatrix
private BufferedImage createOriginalDMatrix(GrowingSOM gsom,
int width,
int height)
throws SOMToolboxException
- Creates an image of the D-Matrix visualisation.
- Parameters:
gsom
- the GrowingSOM to generate the visualisation forwidth
- the desired width of the image, in pixelsheight
- the desired height of the image, in pixels.
- Returns:
- an image for this visualisation.
- Throws:
SOMToolboxException
createOriginalUMatrix
private BufferedImage createOriginalUMatrix(GrowingSOM gsom,
int width,
int height)
throws SOMToolboxException
- Creates an image of the U-Matrix visualisation.
- Parameters:
gsom
- the GrowingSOM to generate the visualisation forwidth
- the desired width of the image, in pixelsheight
- the desired height of the image, in pixels.
- Returns:
- an image for this visualisation.
- Throws:
SOMToolboxException
createUMatrix
public cern.colt.matrix.DoubleMatrix2D createUMatrix(GrowingSOM gsom)
- Creates the height matrix.
- Parameters:
gsom
- the GrowingSOM to generate the visualisation for
- Returns:
- a matrix containing heights for each coordinate.
getPreferredPaletteName
public String getPreferredPaletteName()
- Description copied from class:
AbstractMatrixVisualizer
- Default implementation using
Palettes.getDefaultPalette()
. Subclasses that want to use a different
palette should overwrite this method.
- Specified by:
getPreferredPaletteName
in interface MatrixVisualizer
- Overrides:
getPreferredPaletteName
in class AbstractMatrixVisualizer