teichmann@5863: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5863:  * Software engineering by Intevation GmbH
teichmann@5863:  *
teichmann@5863:  * This file is Free Software under the GNU AGPL (>=v3) 
teichmann@5863:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5863:  * documentation coming with Dive4Elements River for details. 
teichmann@5863:  */
teichmann@5863: 
teichmann@5831: package org.dive4elements.river.artifacts.model.minfo;
teichmann@5778: 
teichmann@5831: import org.dive4elements.artifactdatabase.state.Facet;
teichmann@5778: 
teichmann@5831: import org.dive4elements.artifacts.Artifact;
teichmann@5831: import org.dive4elements.artifacts.CallContext;
teichmann@5778: 
teichmann@5831: import org.dive4elements.river.artifacts.FLYSArtifact;
teichmann@5778: 
teichmann@5831: import org.dive4elements.river.artifacts.model.CalculationResult;
teichmann@5831: import org.dive4elements.river.artifacts.model.DataFacet;
teichmann@5831: import org.dive4elements.river.artifacts.model.FacetTypes;
teichmann@5831: 
teichmann@5831: import org.dive4elements.river.artifacts.states.DefaultState.ComputeType;
teichmann@5831: 
teichmann@5831: import org.dive4elements.river.model.MeasurementStation;
teichmann@5831: 
teichmann@5831: import org.dive4elements.river.utils.FLYSUtils;
rrenkert@4372: 
felix@5645: import java.util.ArrayList;
felix@5653: import java.util.Collections;
felix@5645: import java.util.List;
felix@5653: import java.util.Map;
felix@5653: import java.util.TreeMap;
felix@5645: 
teichmann@5778: import org.apache.log4j.Logger;
felix@5645: 
rrenkert@4372: 
felix@5647: /** Facet to access various sediment loads. */
rrenkert@4372: public class SedimentLoadFacet
rrenkert@4372: extends DataFacet
rrenkert@4372: {
felix@5645:     /** Very own logger. */
rrenkert@4372:     private static Logger logger = Logger.getLogger(SedimentLoadFacet.class);
rrenkert@4372: 
felix@5647:     /** Used as tolerance value when fetching measurement stations. */
felix@5645:     private static double EPSILON = 1e-5;
felix@5645: 
felix@5647: 
rrenkert@4372:     public SedimentLoadFacet() {
rrenkert@4372:     }
rrenkert@4372: 
rrenkert@4372:     public SedimentLoadFacet(int idx, String name, String description,
rrenkert@4372:         ComputeType type, String stateId, String hash) {
rrenkert@4372:         super(idx, name, description, type, hash, stateId);
rrenkert@4372:     }
rrenkert@4372: 
rrenkert@4372:     public Object getData(Artifact artifact, CallContext context) {
rrenkert@4372:         logger.debug("Get data for sediment load at index: " + index);
rrenkert@4372: 
rrenkert@4372:         FLYSArtifact flys = (FLYSArtifact) artifact;
rrenkert@4372: 
rrenkert@4372:         CalculationResult res = (CalculationResult) flys.compute(context, hash,
rrenkert@4372:             stateId, type, false);
rrenkert@4372: 
rrenkert@4372:         Object[] data =
rrenkert@4372:             (SedimentLoadResult[]) res.getData(); // TODO CAST TO SPECIFIC CLASS
rrenkert@4372: 
felix@5645:         List<MeasurementStation> allStations = FLYSUtils.getRiver(flys).getMeasurementStations();
felix@5645:         SedimentLoadResult result = data != null && data.length > index ? (SedimentLoadResult)data[index] : null;
felix@5645:         if (result == null) {
felix@5645:             return null;
felix@5645:         }
felix@5645: 
felix@5653:         List<Double> sortedStarts = new ArrayList<Double>();
felix@5645:         // Filter stations according to type.
felix@5645:         List<MeasurementStation> stations = new ArrayList<MeasurementStation>();
felix@5645:         for (MeasurementStation station: allStations) {
felix@5645:             if (station.getRange() == null || station.getMeasurementType() == null) {
felix@5645:                 continue;
felix@5645:             }
felix@5647:             if (FacetTypes.IS.SEDIMENT_LOAD_NO_FLOAT(this.getName())
felix@5653:                 && station.getMeasurementType().equals("Geschiebe")) {
felix@5645:                 stations.add(station);
felix@5653:                 sortedStarts.add(station.getStation());
felix@5653:             }
felix@5647:             else if (!FacetTypes.IS.SEDIMENT_LOAD_NO_FLOAT(this.getName())
felix@5653:                 && station.getMeasurementType().equals("Schwebstoff")) {
felix@5645:                 stations.add(station);
felix@5653:                 sortedStarts.add(station.getStation());
felix@5653:             }
felix@5645:         }
felix@5653:         Collections.sort(sortedStarts);
felix@5645: 
felix@5645:         // Access data according to type.
felix@5648:         double[][] sd = getLoadData(result);
felix@5645: 
felix@5653:         // Sort by km.
felix@5653:         TreeMap<Double, Double> sortData = new TreeMap<Double,Double>();
felix@5653: 
felix@5645:         double[] km   = sd[0];
felix@5645:         double[] load = sd[1];
felix@5645: 
felix@5653:         for (int i = 0 ; i < km.length; i++) {
felix@5653:             sortData.put(km[i], load[i]);
felix@5653:         }
felix@5653: 
felix@5645:         double[][] values = new double[2][];
felix@5653:         values[0] = new double[km.length*3];
felix@5653:         values[1] = new double[km.length*3];
felix@5653: 
felix@5653:         List<double[]> kmWithoutStation = new ArrayList<double[]>();
felix@5645: 
felix@5645:         // Find station via its station (km).
felix@5653:         // TODO use a binarySearch instead of linear absdiff approach
felix@5653:         int i = 0;
felix@5653:         for (Map.Entry<Double, Double> entry: sortData.entrySet()) {
felix@5645:             boolean matchFound = false;
felix@5653:             // For now, ignore overlaps like (B> next A)
felix@5645:             for (MeasurementStation station: stations) {
felix@5744:                 if (Math.abs(station.getStation() - entry.getKey()) < EPSILON ||
felix@5744:                     station.getRange().containsTolerant(entry.getKey())) {
felix@5744:                     // TODO: In rare cases, two matches can be found.
felix@5653:                     values[0][i*3] = station.getRange().getA().doubleValue() + EPSILON;
felix@5653:                     values[1][i*3] = entry.getValue();
felix@5653:                     values[0][i*3+1] = station.getRange().getB().doubleValue() - EPSILON;
felix@5653:                     values[1][i*3+1] = entry.getValue();
felix@5653:                     values[0][i*3+2] = station.getRange().getB().doubleValue();
felix@5653:                     values[1][i*3+2] = entry.getValue();
felix@5645:                     matchFound = true;
felix@5645:                 }
felix@5645:             }
felix@5653:             // Store points without match for later assessment.
felix@5645:             if (!matchFound) {
felix@5744:                 logger.warn("measurement without station ("+entry.getKey()+")!");
felix@5653:             }
felix@5653:             i++;
felix@5653:         }
felix@5653: 
felix@5653:         for (int x = 0; x < values[0].length-1; x++) {
felix@5653:             // Introduce gaps where no data in measurement station.
felix@5653:             if (Math.abs(values[0][x+1] - values[0][x]) > 3*EPSILON
felix@5653:                     && values[1][x+1] != values[1][x]) {
felix@5653:                 values[0][x] = Double.NaN;
felix@5653:                 values[1][x] = Double.NaN;
felix@5645:             }
felix@5645:         }
felix@5653: 
felix@5645:         return values;
rrenkert@4372:     }
rrenkert@4372: 
felix@5645: 
felix@5648:     /** Get data according to type of facet. */
felix@5648:     private double[][] getLoadData(SedimentLoadResult result) {
felix@5648:         if (getName().equals(FacetTypes.SEDIMENT_LOAD_SAND))
felix@5648:             return result.getSandData();
felix@5648:         else if (getName().equals(FacetTypes.SEDIMENT_LOAD_COARSE))
felix@5648:             return result.getCoarseData();
felix@5648:         else if (getName().equals(FacetTypes.SEDIMENT_LOAD_FINEMIDDLE))
felix@5648:             return result.getFineMiddleData();
felix@5648:         else if (getName().equals(FacetTypes.SEDIMENT_LOAD_SUSP_SAND))
felix@5648:             return result.getSuspSandData();
felix@5648:         else if (getName().equals(FacetTypes.SEDIMENT_LOAD_SUSP_SAND_BED))
felix@5648:             return result.getSuspSandBedData();
felix@5648:         else if (getName().equals(FacetTypes.SEDIMENT_LOAD_SUSP_SEDIMENT))
felix@5648:             return result.getSuspSedimentData();
felix@5648:         else if (getName().equals(FacetTypes.SEDIMENT_LOAD_TOTAL_LOAD))
felix@5648:             return result.getTotalLoadData();
felix@5648:         else if (getName().equals(FacetTypes.SEDIMENT_LOAD_TOTAL))
felix@5648:             return result.getTotalData();
felix@5648:         else {
felix@5648:             logger.error("SedimentLoadFacet " + getName() + " cannot determine data type.");
felix@5648:             return null;
felix@5648:         }
felix@5648:     }
felix@5648: 
rrenkert@4372:     /** Copy deeply. */
rrenkert@4372:     @Override
rrenkert@4372:     public Facet deepCopy() {
rrenkert@4372:         SedimentLoadFacet copy = new SedimentLoadFacet();
rrenkert@4372:         copy.set(this);
rrenkert@4372:         copy.type = type;
rrenkert@4372:         copy.hash = hash;
rrenkert@4372:         copy.stateId = stateId;
rrenkert@4372:         return copy;
rrenkert@4372:     }
rrenkert@4372: }
rrenkert@4372: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :