/*
 * #%L
 * Image processing operations for SciJava Ops.
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package org.scijava.ops.image.geom.geom3d;

/**
 * Linearly interpolate the position where an isosurface cuts an edge between
 * two vertices, each with their own scalar value
 *
 * @author Tim-Oliver Buchholz (University of Konstanz)
 */
public class DefaultVertexInterpolator extends AbstractVertexInterpolator {

	double isolevel;

	@Override
	public void run() {
		output = new double[3];

		if (Math.abs(isolevel - p1Value) < 0.00001) {
			for (var i = 0; i < 3; i++) {
				output[i] = p1[i];
			}
		}
		else if (Math.abs(isolevel - p2Value) < 0.00001) {
			for (var i = 0; i < 3; i++) {
				output[i] = p2[i];
			}
		}
		else if (Math.abs(p1Value - p2Value) < 0.00001) {
			for (var i = 0; i < 3; i++) {
				output[i] = p1[i];
			}
		}
		else {
            var mu = (isolevel - p1Value) / (p2Value - p1Value);

			output[0] = p1[0] + mu * (p2[0] - p1[0]);
			output[1] = p1[1] + mu * (p2[1] - p1[1]);
			output[2] = p1[2] + mu * (p2[2] - p1[2]);
		}
	}

	@Override
	public void setIsoLevel(double d) {
		isolevel = d;
	}

}
