package de.lmu.ifi.dbs.elki.visualization.visualizers.parallel;
/*
This file is part of ELKI:
Environment for Developing KDD-Applications Supported by Index-Structures
Copyright (C) 2012
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.Iterator;
import de.lmu.ifi.dbs.elki.data.NumberVector;
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.visualization.VisualizationTask;
import de.lmu.ifi.dbs.elki.visualization.css.CSSClassManager.CSSNamingConflict;
import de.lmu.ifi.dbs.elki.visualization.projector.ParallelPlotProjector;
import de.lmu.ifi.dbs.elki.visualization.svg.SVGSimpleLinearAxis;
import de.lmu.ifi.dbs.elki.visualization.visualizers.AbstractVisFactory;
import de.lmu.ifi.dbs.elki.visualization.visualizers.Visualization;
/**
* Generates a SVG-Element containing axes, including labeling.
*
* @author Robert Rödler
*
* @apiviz.uses SVGSimpleLinearAxis
*/
public class ParallelAxisVisualization extends AbstractParallelVisualization<NumberVector<?, ?>> {
/**
* Constructor.
*
* @param task VisualizationTask
*/
public ParallelAxisVisualization(VisualizationTask task) {
super(task);
incrementalRedraw();
context.addResultListener(this);
}
@Override
public void destroy() {
context.removeResultListener(this);
super.destroy();
}
@Override
protected void redraw() {
final int dim = proj.getVisibleDimensions();
try {
for(int i = 0; i < dim; i++) {
boolean inv = proj.isAxisInverted(i);
if(!inv) {
SVGSimpleLinearAxis.drawAxis(svgp, layer, proj.getAxisScale(i), getVisibleAxisX(i), getSizeY(), getVisibleAxisX(i), 0, SVGSimpleLinearAxis.LabelStyle.ENDLABEL, context.getStyleLibrary());
}
else {
SVGSimpleLinearAxis.drawAxis(svgp, layer, proj.getAxisScale(i), getVisibleAxisX(i), 0, getVisibleAxisX(i), getSizeY(), SVGSimpleLinearAxis.LabelStyle.ENDLABEL, context.getStyleLibrary());
}
}
}
catch(CSSNamingConflict e) {
throw new RuntimeException("Conflict in CSS naming for axes.", e);
}
}
/**
* Factory for axis visualizations
*
* @author Robert Rödler
*
* @apiviz.stereotype factory
* @apiviz.uses ParallelAxisVisualization oneway - - «create»
*/
public static class Factory extends AbstractVisFactory {
/**
* A short name characterizing this Visualizer.
*/
private static final String NAME = "Parallel Axes";
/**
* Constructor, adhering to
* {@link de.lmu.ifi.dbs.elki.utilities.optionhandling.Parameterizable}
*/
public Factory() {
super();
}
@Override
public Visualization makeVisualization(VisualizationTask task) {
return new ParallelAxisVisualization(task);
}
@Override
public void processNewResult(HierarchicalResult baseResult, Result result) {
Iterator<ParallelPlotProjector<?>> ps = ResultUtil.filteredResults(result, ParallelPlotProjector.class);
while(ps.hasNext()) {
ParallelPlotProjector<?> p = ps.next();
final VisualizationTask task = new VisualizationTask(NAME, p, p.getRelation(), this);
task.put(VisualizationTask.META_LEVEL, VisualizationTask.LEVEL_BACKGROUND);
baseResult.getHierarchy().add(p, task);
}
}
@Override
public boolean allowThumbnails(VisualizationTask task) {
// Don't use thumbnails
return true;
}
}
}