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ContourPolygon.java
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ContourPolygon.java
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/*-
* #%L
* A collection of plugins developed at the FMI Basel.
* %%
* Copyright (C) 2016 - 2021 FMI Basel
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser 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 General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-3.0.html>.
* #L%
*/
package ch.fmi;
import net.imagej.ops.OpService;
import net.imagej.ops.Ops.Geometric.Contour;
import net.imglib2.img.Img;
import net.imglib2.roi.geom.real.Polygon2D;
import net.imglib2.type.logic.BitType;
import org.scijava.ItemIO;
import org.scijava.command.Command;
import org.scijava.command.ContextCommand;
import org.scijava.plugin.Parameter;
import org.scijava.plugin.Plugin;
@Plugin(type = Command.class, headless = true, menuPath = "FMI>Get Polygon Points from 2D Binary Mask")
public class ContourPolygon extends ContextCommand {
@Parameter
private OpService opService;
@Parameter
private Img<BitType> input;
@Parameter(type = ItemIO.OUTPUT)
private double[] xpoints;
@Parameter(type = ItemIO.OUTPUT)
private double[] ypoints;
@Override
public void run() {
Polygon2D polygon = (Polygon2D) opService.run(Contour.class, input, true);
xpoints = new double[polygon.numVertices()];
ypoints = new double[polygon.numVertices()];
for (int i = 0; i < polygon.numVertices(); i++) {
xpoints[i] = polygon.vertex(i).getDoublePosition(0);
ypoints[i] = polygon.vertex(i).getDoublePosition(1);
}
}
}