/*
* ------------------------------------------------------------------------
*
* Copyright (C) 2003 - 2013
* University of Konstanz, Germany and
* KNIME GmbH, Konstanz, Germany
* Website: http://www.knime.org; Email: contact@knime.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, Version 3, as
* published by the Free Software Foundation.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses>.
*
* Additional permission under GNU GPL version 3 section 7:
*
* KNIME interoperates with ECLIPSE solely via ECLIPSE's plug-in APIs.
* Hence, KNIME and ECLIPSE are both independent programs and are not
* derived from each other. Should, however, the interpretation of the
* GNU GPL Version 3 ("License") under any applicable laws result in
* KNIME and ECLIPSE being a combined program, KNIME GMBH herewith grants
* you the additional permission to use and propagate KNIME together with
* ECLIPSE with only the license terms in place for ECLIPSE applying to
* ECLIPSE and the GNU GPL Version 3 applying for KNIME, provided the
* license terms of ECLIPSE themselves allow for the respective use and
* propagation of ECLIPSE together with KNIME.
*
* Additional permission relating to nodes for KNIME that extend the Node
* Extension (and in particular that are based on subclasses of NodeModel,
* NodeDialog, and NodeView) and that only interoperate with KNIME through
* standard APIs ("Nodes"):
* Nodes are deemed to be separate and independent programs and to not be
* covered works. Notwithstanding anything to the contrary in the
* License, the License does not apply to Nodes, you are not required to
* license Nodes under the License, and you are granted a license to
* prepare and propagate Nodes, in each case even if such Nodes are
* propagated with or for interoperation with KNIME. The owner of a Node
* may freely choose the license terms applicable to such Node, including
* when such Node is propagated with or for interoperation with KNIME.
* ---------------------------------------------------------------------
*
*/
package org.knime.knip.base.nodes.proc.ucm;
import java.util.HashSet;
import java.util.Iterator;
/**
* UltraMetricContourMap Boundary
*
* @author <a href="mailto:dietzc85@googlemail.com">Christian Dietz</a>
* @author <a href="mailto:horn_martin@gmx.de">Martin Horn</a>
*
*/
public class UCMBoundary implements Comparable<UCMBoundary> {
// connected Faces, maximal 2
private HashSet<UCMFace> m_faces;
// weight of the boundary
private double m_weight;
// pixels forming the boundary
private HashSet<int[]> m_pixels;
/**
* Constructor
*/
public UCMBoundary() {
m_faces = new HashSet<UCMFace>();
m_weight = -1;
m_pixels = new HashSet<int[]>();
}
/**
* returns the requested UCMFace, or null (if not a neighbor) - rather slow!
*
* @param label
* @return UCM for this label
*/
public UCMFace hasUCMFace(final int label) {
Iterator<UCMFace> m_iterator = m_faces.iterator();
UCMFace tempFace;
while (m_iterator.hasNext()) {
tempFace = m_iterator.next();
if (tempFace.getLabel().equals(label)) {
return tempFace;
}
}
return null;
}
/**
* adds a Pixel with its weight
*
* @param newPixel
* @param weight
*/
public void addPixel(final int[] newPixel, final double weight) {
m_pixels.add(newPixel);
m_weight += weight;
}
/**
*
* @return returns the weight of the boundary
*/
public double getWeight() {
return m_weight / m_pixels.size();
}
/**
*
* @return faces of the boundary
*/
public HashSet<UCMFace> getFaces() {
return m_faces;
}
/**
*
* @return returns the position of the points forming the boundary
*/
public HashSet<int[]> getPixels() {
return m_pixels;
}
/**
* adds pixel and weight of an boundary
*
* @param boundary
*/
public void mergeBoundary(final UCMBoundary boundary) {
m_pixels.addAll(boundary.m_pixels);
m_weight += boundary.m_weight;
}
@Override
public int compareTo(final UCMBoundary other) {
return Double.compare(this.getWeight(), other.getWeight());
}
}