net.raumzeitfalle.registration.alignment.SimpleRigidTransform Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of image-registration Show documentation

A collection of functions for image registration based on control points using rigid and affine transforms.

There is a newer version: 0.0.7

/*-
 * #%L
 * Image-Registration
 * %%
 * Copyright (C) 2019 Oliver Loeffler, Raumzeitfalle.net
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */
package net.raumzeitfalle.registration.alignment;

import java.util.*;

/**
 * 
 * Allows to correct rotation and translation (x,y) for a given displacement.
 *
 */
public final class SimpleRigidTransform implements RigidTransform {

	private final double translationX;
	
	private final double translationY;
	
	private final double rotation;
	
	protected SimpleRigidTransform(double tx, double ty, double rot) {
		this.translationX = tx;
		this.translationY = ty;
		this.rotation = rot;
	}

	public double getTranslationX() {
		return translationX;
	}

	public double getTranslationY() {
		return translationY;
	}

	public double getRotation() {
		return rotation;
	}

	@Override
	public String toString() {
		return "RigidTransform [x=" + format(translationX) + ", y=" + format(translationY) + ", rotation="
				+ format(rotation * 1E6) + " urad]";
	}

	private String format(double value) {
		return String.format(Locale.US, "%10.7f", value);
	}

	@Override
	public int hashCode() {
		return Objects.hash(getRotation(), getTranslationX(), getTranslationY());
	}

	@Override
	public boolean equals(Object obj) {
		if (this == obj)
			return true;
		if (!(obj instanceof RigidTransform))
			return false;
		RigidTransform other = (RigidTransform) obj;
		return Double.doubleToLongBits(rotation) == Double.doubleToLongBits(other.getRotation())
				&& Double.doubleToLongBits(translationX) == Double.doubleToLongBits(other.getTranslationX())
				&& Double.doubleToLongBits(translationY) == Double.doubleToLongBits(other.getTranslationY());
	}
	
	

}