/** * Copyright (C) 2007 - 2016 52°North Initiative for Geospatial Open Source * Software GmbH * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. * * If the program is linked with libraries which are licensed under one of * the following licenses, the combination of the program with the linked * library is not considered a "derivative work" of the program: * * • Apache License, version 2.0 * • Apache Software License, version 1.0 * • GNU Lesser General Public License, version 3 * • Mozilla Public License, versions 1.0, 1.1 and 2.0 * • Common Development and Distribution License (CDDL), version 1.0 * * Therefore the distribution of the program linked with libraries licensed * under the aforementioned licenses, is permitted by the copyright holders * if the distribution is compliant with both the GNU General Public * License version 2 and the aforementioned licenses. * * As an exception to the terms of the GPL, you may copy, modify, * propagate, and distribute a work formed by combining 52°North WPS * GeoTools Modules with the Eclipse Libraries, or a work derivative of * such a combination, even if such copying, modification, propagation, or * distribution would otherwise violate the terms of the GPL. Nothing in * this exception exempts you from complying with the GPL in all respects * for all of the code used other than the Eclipse Libraries. You may * include this exception and its grant of permissions when you distribute * 52°North WPS GeoTools Modules. Inclusion of this notice with such a * distribution constitutes a grant of such permissions. If you do not wish * to grant these permissions, remove this paragraph from your * distribution. "52°North WPS GeoTools Modules" means the 52°North WPS * modules using GeoTools functionality - software licensed under version 2 * or any later version of the GPL, or a work based on such software and * licensed under the GPL. "Eclipse Libraries" means Eclipse Modeling * Framework Project and XML Schema Definition software distributed by the * Eclipse Foundation and licensed under the Eclipse Public License Version * 1.0 ("EPL"), or a work based on such software and licensed under the EPL. * * 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. */ package org.n52.wps.server.algorithm.raster; import java.awt.image.RenderedImage; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.media.jai.JAI; import javax.media.jai.RenderedOp; import javax.media.jai.TiledImage; import org.geotools.coverage.grid.GridCoverage2D; import org.geotools.coverage.grid.GridCoverageFactory; import org.geotools.feature.FeatureCollection; import org.n52.wps.io.data.IData; import org.n52.wps.io.data.binding.complex.GTRasterDataBinding; import org.n52.wps.io.data.binding.complex.GTVectorDataBinding; import org.n52.wps.server.AbstractSelfDescribingAlgorithm; import org.opengis.coverage.grid.GridCoverage; public class AddRasterValues extends AbstractSelfDescribingAlgorithm{ public Class getInputDataType(String id) { return GTRasterDataBinding.class; } public Class getOutputDataType(String id) { return GTRasterDataBinding.class; } @Override public List<String> getInputIdentifiers() { List<String> identifierList = new ArrayList<String>(); identifierList.add("dataset1"); identifierList.add("dataset2"); return identifierList; } @Override public List<String> getOutputIdentifiers() { List<String> identifierList = new ArrayList<String>(); identifierList.add("result"); return identifierList; } @Override public Map<String, IData> run(Map<String, List<IData>> inputData) { if(inputData==null || !inputData.containsKey("dataset1")){ throw new RuntimeException("Error while allocating input parameters"); } List<IData> dataList1 = inputData.get("dataset1"); if(dataList1 == null || dataList1.size() != 1){ throw new RuntimeException("Error while allocating input parameters"); } IData dataset1 = dataList1.get(0); GridCoverage2D gridCoverage1 = (GridCoverage2D) dataset1.getPayload(); RenderedImage image1 = gridCoverage1.getRenderedImage(); if(inputData==null || !inputData.containsKey("dataset2")){ throw new RuntimeException("Error while allocating input parameters"); } List<IData> dataList2 = inputData.get("dataset2"); if(dataList2 == null || dataList2.size() != 1){ throw new RuntimeException("Error while allocating input parameters"); } IData dataset2 = dataList2.get(0); GridCoverage2D gridCoverage2 = (GridCoverage2D) dataset2.getPayload(); RenderedImage image2 = gridCoverage2.getRenderedImage(); RenderedOp resultImage = JAI.create("add",image1, image2); GridCoverageFactory gcf = new GridCoverageFactory(); GridCoverage2D output = gcf.create("result", resultImage, gridCoverage1.getEnvelope()); HashMap<String,IData> resulthash = new HashMap<String,IData>(); resulthash.put("result", new GTRasterDataBinding(output)); return resulthash; } }