Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/FlowVelocityFilterFacet.java @ 7261:a56fe3bc6700

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Refactoring: Let RiverAccess.getRiver return an River. Renamed getRiver in getRiverName. Update Callers.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 08 Oct 2013 14:50:58 +0200
parents af13ceeba52a
children 42076d94977e
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.artifacts.model;
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10
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11 import org.dive4elements.artifactdatabase.state.Facet;
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12
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13 import org.dive4elements.artifacts.Artifact;
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14 import org.dive4elements.artifacts.CallContext;
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15
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16 import org.dive4elements.river.artifacts.D4EArtifact;
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17
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18 import org.dive4elements.river.artifacts.access.RiverAccess;
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19 import org.dive4elements.river.artifacts.context.RiverContext;
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20
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21 import org.dive4elements.river.artifacts.math.MovingAverage;
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22 import org.dive4elements.river.artifacts.states.DefaultState.ComputeType;
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23
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24 import org.apache.log4j.Logger;
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25
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26 /**
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27 * Facet of a FlowVelocity curve.
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28 */
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29 public class FlowVelocityFilterFacet extends DataFacet {
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30
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31 private static Logger logger = Logger.getLogger(FlowVelocityFilterFacet.class);
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32
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33 public FlowVelocityFilterFacet() {
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34 // required for clone operation deepCopy()
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35 }
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36
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37
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38 public FlowVelocityFilterFacet(
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39 int idx,
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40 String name,
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41 String description,
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42 ComputeType type,
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43 String stateId,
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44 String hash
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45 ) {
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46 super(idx, name, description, type, hash, stateId);
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47 }
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48
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49
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50 public Object getData(Artifact artifact, CallContext context) {
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51 logger.debug("Get data for flow velocity at index: " + index);
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52
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53 Double start = (Double)context.getContextValue("startkm");
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54 Double end = (Double)context.getContextValue("endkm");
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55 D4EArtifact flys = (D4EArtifact) artifact;
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56
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57 CalculationResult res = (CalculationResult)
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58 flys.compute(context, hash, stateId, type, false);
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59
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60 FlowVelocityData[] data = (FlowVelocityData[]) res.getData();
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61 if(start != null && end != null) {
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62 RiverContext fc = (RiverContext)context.globalContext();
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63 ZoomScale scales = (ZoomScale)fc.get("zoomscale");
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64 RiverAccess access = new RiverAccess((D4EArtifact)artifact);
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a56fe3bc6700 Refactoring: Let RiverAccess.getRiver return an River.
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65 String river = access.getRiverName();
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66
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67 double radius = scales.getRadius(river, start, end);
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68 FlowVelocityData oldData = data[index];
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69 FlowVelocityData newData = new FlowVelocityData();
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70 double[][] q = oldData.getQPoints();
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71 double[][] totalV = MovingAverage.weighted(oldData.getTotalChannelPoints(), radius);
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72 double[][] mainV = MovingAverage.weighted(oldData.getMainChannelPoints(), radius);
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73 double[][] tau = MovingAverage.weighted(oldData.getTauPoints(), radius);
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74 for(int j = 0; j < q[0].length; j++) {
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75 newData.addKM(q[0][j]);
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76 newData.addQ(q[1][j]);
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77 newData.addTauMain(tau[1][j]);
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78 newData.addVMain(mainV[1][j]);
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79 newData.addVTotal(totalV[1][j]);
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80 }
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81 return newData;
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82 }
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83 return data[index];
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84 }
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85
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86
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87 /** Copy deeply. */
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88 @Override
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89 public Facet deepCopy() {
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90 FlowVelocityFilterFacet copy = new FlowVelocityFilterFacet();
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91 copy.set(this);
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92 copy.type = type;
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93 copy.hash = hash;
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94 copy.stateId = stateId;
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95 return copy;
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96 }
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97 }
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98 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org