Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/exports/LongitudinalSectionGenerator2.java @ 7168:81416a62fa57

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Saveguard range access in case an artifact has no range
author Andre Heinecke <aheinecke@intevation.de>
date Thu, 26 Sep 2013 12:22:22 +0200
parents ab109ae2acc6
children ad4a3980092f
rev   line source
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ab57b6eee71c Add refactored LongitudinalSectionGenerator2 that inherits DiagramGenerator
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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.exports;
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10
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11 import org.dive4elements.river.artifacts.D4EArtifact;
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12 import org.dive4elements.artifactdatabase.state.ArtifactAndFacet;
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13 import org.dive4elements.river.artifacts.access.RangeAccess;
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14 import org.dive4elements.river.jfree.Bounds;
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15 import org.dive4elements.river.jfree.DoubleBounds;
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16 import org.dive4elements.river.themes.ThemeDocument;
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17
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18 public class LongitudinalSectionGenerator2 extends DiagramGenerator
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19 {
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20 public static final String I18N_CHART_SHORT_SUBTITLE =
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21 "chart.longitudinal.section.shortsubtitle";
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22
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23 public static final String I18N_CHART_LOCATION_SUBTITLE =
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24 "chart.longitudinal.section.locsubtitle";
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25
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26 @Override
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27 public String getDefaultChartSubtitle() {
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28 double[] dist = getRange();
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29
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30 if (dist == null || dist.length != 2 ||
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31 Double.isNaN(dist[0]) || Double.isNaN(dist[1])) {
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32 Object [] args = new Object[] {getRiverName()};
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33 return msg(I18N_CHART_SHORT_SUBTITLE, "", args);
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34 }
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35
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36 if (Math.abs(dist[0] - dist[1]) < 1E-5) {
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37 Object [] args = new Object[] {getRiverName(), dist[1]};
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38 return msg(I18N_CHART_LOCATION_SUBTITLE, "", args);
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39 }
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40
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41 return super.getDefaultChartSubtitle();
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42 }
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43
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44 /* We override doOut here to save the startkm and endkm in the
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45 * context. Some facets will deliver different data because of
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46 * that setting. It is mainly used in MINFO where it causes
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47 * adaptive smoothing on the data if you are zoomed out do
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48 * reduce the static in the curve. */
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49 @Override
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50 public void doOut(
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51 ArtifactAndFacet bundle,
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52 ThemeDocument theme,
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53 boolean visible
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54 ) {
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55 /* Aheinecke (25.09.2013): I do not understand why this has to be
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56 * done so difficult and if it really must be done for every
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57 * facet. At least it has to be done _before_ the super class
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58 * actually does the output and accesses the facet data.
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59 */
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60 D4EArtifact artifact = (D4EArtifact)bundle.getArtifact();
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61
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62 if (getXBounds(0) != null && getDomainAxisRange() != null) {
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63 Bounds bounds =
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64 calculateZoom(getXBounds(0), getDomainAxisRange());
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65 context.putContextValue("startkm", bounds.getLower());
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66 context.putContextValue("endkm", bounds.getUpper());
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67 }
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68 else if (getXBounds(0) != null && getDomainAxisRange() == null) {
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69 context.putContextValue("startkm", getXBounds(0).getLower());
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70 context.putContextValue("endkm", getXBounds(0).getUpper());
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71 }
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72 else if (getXBounds(0) == null && getDomainAxisRange() == null) {
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73 RangeAccess access = new RangeAccess(artifact);
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74 if (access.hasFrom() && access.hasTo()) {
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75 context.putContextValue("startkm", access.getFrom());
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76 context.putContextValue("endkm", access.getTo());
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77 }
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78 }
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79 else if (getXBounds(0) == null && getDomainAxisRange() != null){
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80 RangeAccess access = new RangeAccess(artifact);
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81 if (access.hasFrom() && access.hasTo()) {
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82 Bounds b = new DoubleBounds(access.getFrom(), access.getTo());
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83 Bounds bounds =
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84 calculateZoom(b, getDomainAxisRange());
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85 context.putContextValue("startkm", bounds.getLower());
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86 context.putContextValue("endkm", bounds.getUpper());
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87 }
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88 }
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89 super.doOut(bundle, theme, visible);
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90 }
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91 }
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92 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org