at.tuwien.ifs.somtoolbox.visualization
Class SmoothedCountHistograms

java.lang.Object
  extended by at.tuwien.ifs.somtoolbox.visualization.AbstractBackgroundImageVisualizer
      extended by at.tuwien.ifs.somtoolbox.visualization.AbstractMatrixVisualizer
          extended by at.tuwien.ifs.somtoolbox.visualization.SmoothedCountHistograms
All Implemented Interfaces:
BackgroundImageVisualizer, MatrixVisualizer, Comparable<BackgroundImageVisualizer>

public class SmoothedCountHistograms
extends AbstractMatrixVisualizer

visualizes counts (e.g. number of documents per unit) in an Islands of Music like manner, i.e. like SDH with s=1

Version:
$Id: SmoothedCountHistograms.java 3590 2010-05-21 10:43:45Z mayer $
Author:
Thomas Lidy

Nested Class Summary
 
Nested classes/interfaces inherited from class at.tuwien.ifs.somtoolbox.visualization.AbstractBackgroundImageVisualizer
AbstractBackgroundImageVisualizer.ContourInterpolationMode, AbstractBackgroundImageVisualizer.ContourMode, AbstractBackgroundImageVisualizer.VisualizationControlPanel
 
Field Summary
(package private)  double maxValue
           
(package private)  double minValue
           
(package private)  double[][] sdh
           
(package private)  int xSize
           
(package private)  int ySize
           
 
Fields inherited from class at.tuwien.ifs.somtoolbox.visualization.AbstractMatrixVisualizer
maximumMatrixValue, minimumMatrixValue, palette
 
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
 
Fields inherited from interface at.tuwien.ifs.somtoolbox.visualization.BackgroundImageVisualizer
DEFAULT_BACKGROUND_VISUALIZATION_SCALE
 
Constructor Summary
SmoothedCountHistograms()
           
 
Method Summary
 BufferedImage createVisualization(int index, GrowingSOM gsom, int width, int height)
          Creates a visualisation image.
private  void normalize()
           
 void setHistogram(double[][] hist)
           
 
Methods inherited from class at.tuwien.ifs.somtoolbox.visualization.AbstractMatrixVisualizer
computeHitHistogram, computeSpline, constrainWithinPalette, createImage, drawContour, getCacheKey, getCurrentPalette, getMaximumMatrixValue, getMinimumMatrixValue, getPalette, getPreferredPaletteName, 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
 

Field Detail

sdh

double[][] sdh

xSize

int xSize

ySize

int ySize

maxValue

double maxValue

minValue

double minValue
Constructor Detail

SmoothedCountHistograms

public SmoothedCountHistograms()
Method Detail

setHistogram

public void setHistogram(double[][] hist)

normalize

private void normalize()

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 use
gsom - the GrowingSOM to take build the visualisation for
width - the desired width of the image, in pixels
height - the desired height of the image, in pixels.
Returns:
an image for this visualisation.
Throws:
SOMToolboxException