bundles/addons/org.eclipse.apogy.addons.sensors.imaging.camera/src-gen-custom/org/eclipse/apogy/addons/sensors/imaging/camera/impl/EMFFeatureAzimuthElevationFOVOverlayCustomImpl.java

/*******************************************************************************
<<<<<<< HEAD
 * Copyright (c) 2018 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
=======
 * Copyright (c) 2018 Agence spatiale canadienne / Canadian Space Agency 
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Pierre Allard, 
 *     Regent L'Archeveque - initial API and implementation
 *     
 * SPDX-License-Identifier: EPL-1.0
 *     
>>>>>>> refs/heads/eclipse_pa
 *******************************************************************************/
package org.eclipse.apogy.addons.sensors.imaging.camera.impl;

import javax.measure.unit.Unit;

import org.eclipse.apogy.addons.sensors.imaging.AbstractCamera;
import org.eclipse.apogy.addons.sensors.imaging.camera.OverlayAlignment;
import org.eclipse.apogy.common.emf.AbstractFeatureListNode;
import org.eclipse.apogy.common.emf.AbstractFeatureSpecifier;
import org.eclipse.apogy.common.emf.ApogyCommonEMFFacade;
import org.eclipse.apogy.common.images.AbstractEImage;
import org.eclipse.apogy.core.invocator.ApogyCoreInvocatorFacade;
import org.eclipse.apogy.core.invocator.VariableFeatureReference;
import org.eclipse.emf.ecore.ETypedElement;

public class EMFFeatureAzimuthElevationFOVOverlayCustomImpl extends EMFFeatureAzimuthElevationFOVOverlayImpl {

	private final Unit<?> degreeUnits = Unit.valueOf("°");

	@Override
	public AbstractEImage applyOverlay(AbstractCamera camera, AbstractEImage cameraImage,
			OverlayAlignment overlayAlignment, int overlayWidth, int overlayHeight) {
		try {
			// Updates the azimuth and elevation from the refered features.
			changeAzimuth(getAzimuth());
			changeElevation(getElevation());

			// Gets the overlay.
			return super.applyOverlay(camera, cameraImage, overlayAlignment, overlayWidth, overlayHeight);
		} catch (Throwable t) {
			return cameraImage;
		}
	}

	protected double getAzimuth() {
		return getValue(getAzimuthFeatureReference());
	}

	protected double getElevation() {
		return getValue(getElevationFeatureReference());
	}

	protected double getValue(VariableFeatureReference variableFeatureReference) {
		Number featureValue = (Number) ApogyCoreInvocatorFacade.INSTANCE.getEMFFeatureValue(variableFeatureReference);

		// Gets the feature associated with the azimuth.
		AbstractFeatureListNode abstractFeatureListNode = ApogyCommonEMFFacade.INSTANCE
				.getLeaf(variableFeatureReference.getFeatureRoot());
		AbstractFeatureSpecifier abstractFeatureSpecifier = (AbstractFeatureSpecifier) abstractFeatureListNode;
		ETypedElement eTypedElement = abstractFeatureSpecifier.getStructuralFeature();

		// Gets the units associated with the feature
		Unit<?> units = ApogyCommonEMFFacade.INSTANCE.getEngineeringUnits(eTypedElement);

		double value = featureValue.doubleValue();
		if (units != null) {
			// Converts to degrees through units.
			value = units.getConverterTo(getDegreesUnits()).convert(value);
		}

		return value;
	}

	protected Unit<?> getDegreesUnits() {
		return this.degreeUnits;
	}
} // EMFFeatureAzimuthElevationFOVOverlayImpl