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Diffstat (limited to 'src/de/lmu/ifi/dbs/elki/visualization/visualizers/visunproj/OPTICSClusterVisualization.java')
| -rw-r--r-- | src/de/lmu/ifi/dbs/elki/visualization/visualizers/visunproj/OPTICSClusterVisualization.java | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/src/de/lmu/ifi/dbs/elki/visualization/visualizers/visunproj/OPTICSClusterVisualization.java b/src/de/lmu/ifi/dbs/elki/visualization/visualizers/visunproj/OPTICSClusterVisualization.java deleted file mode 100644 index 666d4518..00000000 --- a/src/de/lmu/ifi/dbs/elki/visualization/visualizers/visunproj/OPTICSClusterVisualization.java +++ /dev/null @@ -1,240 +0,0 @@ -package de.lmu.ifi.dbs.elki.visualization.visualizers.visunproj; -/* -This file is part of ELKI: -Environment for Developing KDD-Applications Supported by Index-Structures - -Copyright (C) 2011 -Ludwig-Maximilians-Universität München -Lehr- und Forschungseinheit für Datenbanksysteme -ELKI Development Team - -This program is free software: you can redistribute it and/or modify -it under the terms of the GNU Affero General Public License as published by -the Free Software Foundation, either version 3 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU Affero General Public License for more details. - -You should have received a copy of the GNU Affero General Public License -along with this program. If not, see <http://www.gnu.org/licenses/>. -*/ - -import java.util.Collection; -import java.util.List; - -import org.apache.batik.util.SVGConstants; -import org.w3c.dom.Element; - -import de.lmu.ifi.dbs.elki.data.Cluster; -import de.lmu.ifi.dbs.elki.data.Clustering; -import de.lmu.ifi.dbs.elki.data.model.OPTICSModel; -import de.lmu.ifi.dbs.elki.logging.Logging; -import de.lmu.ifi.dbs.elki.result.HierarchicalResult; -import de.lmu.ifi.dbs.elki.result.Result; -import de.lmu.ifi.dbs.elki.result.ResultUtil; -import de.lmu.ifi.dbs.elki.result.SelectionResult; -import de.lmu.ifi.dbs.elki.result.optics.ClusterOrderResult; -import de.lmu.ifi.dbs.elki.visualization.css.CSSClass; -import de.lmu.ifi.dbs.elki.visualization.opticsplot.OPTICSPlot; -import de.lmu.ifi.dbs.elki.visualization.projections.Projection; -import de.lmu.ifi.dbs.elki.visualization.style.StyleLibrary; -import de.lmu.ifi.dbs.elki.visualization.svg.SVGUtil; -import de.lmu.ifi.dbs.elki.visualization.visualizers.AbstractVisFactory; -import de.lmu.ifi.dbs.elki.visualization.visualizers.AbstractVisualization; -import de.lmu.ifi.dbs.elki.visualization.visualizers.Visualization; -import de.lmu.ifi.dbs.elki.visualization.visualizers.VisualizationTask; - -/** - * Visualize the clusters and cluster hierarchy found by OPTICS on the OPTICS - * Plot. - * - * @author Erich Schubert - * - * @apiviz.uses ClusterOrderResult - * @apiviz.uses OPTICSPlot - */ -public class OPTICSClusterVisualization extends AbstractVisualization { - /** - * The logger for this class. - */ - private static final Logging logger = Logging.getLogger(OPTICSClusterVisualization.class); - - /** - * A short name characterizing this Visualizer. - */ - private static final String NAME = "OPTICS Cluster Range"; - - /** - * CSS class for markers - */ - protected static final String CSS_BRACKET = "opticsBracket"; - - /** - * Our cluster order - */ - private ClusterOrderResult<?> co; - - /** - * Our clustering - */ - Clustering<OPTICSModel> clus; - - /** - * The plot - */ - private OPTICSPlot<?> opticsplot; - - /** - * Constructor. - * - * @param task Visualization task - */ - public OPTICSClusterVisualization(VisualizationTask task) { - super(task); - this.co = task.getResult(); - this.clus = findOPTICSClustering(this.co); - this.opticsplot = OPTICSPlot.plotForClusterOrder(this.co, context); - context.addResultListener(this); - incrementalRedraw(); - } - - /** - * Find the OPTICS clustering child of a cluster order. - * - * @param co Cluster order - * @return OPTICS clustering - */ - @SuppressWarnings("unchecked") - protected static Clustering<OPTICSModel> findOPTICSClustering(ClusterOrderResult<?> co) { - for(Result r : co.getHierarchy().getChildren(co)) { - if(!Clustering.class.isInstance(r)) { - continue; - } - Clustering<?> clus = (Clustering<?>) r; - if(clus.getToplevelClusters().size() == 0) { - continue; - } - Cluster<?> firstcluster = clus.getToplevelClusters().iterator().next(); - if(firstcluster.getModel() instanceof OPTICSModel) { - return (Clustering<OPTICSModel>) clus; - } - } - return null; - } - - @Override - protected void redraw() { - final double scale = StyleLibrary.SCALE; - final double sizex = scale; - final double sizey = scale * task.getHeight() / task.getWidth(); - final double margin = context.getStyleLibrary().getSize(StyleLibrary.MARGIN); - layer = SVGUtil.svgElement(svgp.getDocument(), SVGConstants.SVG_G_TAG); - final String transform = SVGUtil.makeMarginTransform(task.getWidth(), task.getHeight(), sizex, sizey, margin); - SVGUtil.setAtt(layer, SVGConstants.SVG_TRANSFORM_ATTRIBUTE, transform); - - addCSSClasses(); - - drawClusters(scale, scale / opticsplot.getRatio(), clus.getToplevelClusters(), 1); - } - - /** - * Recursively draw clusters - * - * @param sizex Width - * @param sizey Height of optics plot - * @param clusters Current set of clusters - * @param depth Recursion depth - */ - private void drawClusters(double sizex, double sizey, List<Cluster<OPTICSModel>> clusters, int depth) { - final double scale = StyleLibrary.SCALE; - for(Cluster<OPTICSModel> cluster : clusters) { - try { - OPTICSModel model = cluster.getModel(); - final double x1 = sizex * ((model.getStartIndex() + .25) / this.co.getClusterOrder().size()); - final double x2 = sizex * ((model.getEndIndex() + .75) / this.co.getClusterOrder().size()); - final double y = sizey + depth * scale * 0.01; - Element e = svgp.svgLine(x1, y, x2, y); - SVGUtil.addCSSClass(e, CSS_BRACKET); - layer.appendChild(e); - } - catch(ClassCastException e) { - logger.warning("Expected OPTICSModel, got: " + cluster.getModel().getClass().getSimpleName()); - } - // Descend - final List<Cluster<OPTICSModel>> children = cluster.getChildren(); - if(children != null) { - drawClusters(sizex, sizey, children, depth + 1); - } - } - } - - /** - * Adds the required CSS-Classes - */ - private void addCSSClasses() { - // Class for the markers - if(!svgp.getCSSClassManager().contains(CSS_BRACKET)) { - final CSSClass cls = new CSSClass(this, CSS_BRACKET); - cls.setStatement(SVGConstants.CSS_STROKE_PROPERTY, context.getStyleLibrary().getColor(StyleLibrary.PLOT)); - cls.setStatement(SVGConstants.CSS_STROKE_WIDTH_PROPERTY, context.getStyleLibrary().getLineWidth(StyleLibrary.PLOT)); - svgp.addCSSClassOrLogError(cls); - } - } - - @Override - public void resultChanged(Result current) { - if(current instanceof SelectionResult || current == co || current == opticsplot) { - synchronizedRedraw(); - return; - } - super.resultChanged(current); - } - - /** - * Factory class for OPTICS plot selections. - * - * @author Erich Schubert - * - * @apiviz.stereotype factory - * @apiviz.uses OPTICSPlotSelectionVisualization oneway - - «create» - */ - public static class Factory extends AbstractVisFactory { - /** - * Constructor, adhering to - * {@link de.lmu.ifi.dbs.elki.utilities.optionhandling.Parameterizable} - */ - public Factory() { - super(); - } - - @Override - public void processNewResult(HierarchicalResult baseResult, Result result) { - Collection<OPTICSPlot<?>> plots = ResultUtil.filterResults(result, OPTICSPlot.class); - for(OPTICSPlot<?> plot : plots) { - ClusterOrderResult<?> co = plot.getClusterOrder(); - final VisualizationTask task = new VisualizationTask(NAME, co, null, this, plot); - task.put(VisualizationTask.META_LEVEL, VisualizationTask.LEVEL_INTERACTIVE); - baseResult.getHierarchy().add(plot, task); - } - } - - @Override - public Visualization makeVisualization(VisualizationTask task) { - return new OPTICSClusterVisualization(task); - } - - @Override - public boolean allowThumbnails(@SuppressWarnings("unused") VisualizationTask task) { - // Don't use thumbnails - return false; - } - - @Override - public Class<? extends Projection> getProjectionType() { - return null; - } - } -}
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