Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/FixRealizingCalculation.java @ 6152:0587819960c3
Waterlevel differences & bed height differences: Add new model LinearInterpolated intented to unify the two very similiar calculations. The focus of the current implementation is correctness and not speed! The fact that the data sets more mostly sorted by station is not exploited. Doing so would improve performance significantly.
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Sun, 02 Jun 2013 17:52:53 +0200 |
parents | af13ceeba52a |
children | b82750667e1a |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.artifacts.model.fixings; import org.dive4elements.river.artifacts.access.FixRealizingAccess; import org.dive4elements.river.artifacts.math.fitting.Function; import org.dive4elements.river.artifacts.model.CalculationResult; import org.dive4elements.river.artifacts.model.FixingsOverview; import org.dive4elements.river.artifacts.model.RiverFactory; import org.dive4elements.river.artifacts.model.Segment; import org.dive4elements.river.artifacts.model.WQKms; import org.dive4elements.river.artifacts.model.Parameters; import org.dive4elements.river.model.River; import java.util.List; import org.apache.log4j.Logger; /** Calculation for FixRealize (german: ausgel. WSPL). */ public class FixRealizingCalculation extends FixCalculation { private static Logger log = Logger.getLogger(FixRealizingCalculation.class); protected boolean isQ; protected List<Segment> segments; public FixRealizingCalculation() { } public FixRealizingCalculation(FixRealizingAccess access) { super(access); Boolean isQ = access.isQ(); List<Segment> segments = access.getSegments(); if (isQ == null) { // TODO: i18n addProblem("fix.realize.missing.is.q"); } if (segments == null || segments.isEmpty()) { // TODO: i18n addProblem("fix.realize.missing.segments"); } River r = RiverFactory.getRiver(river); if (r == null) { // TODO: i18n addProblem("fix.no.such.river"); } if (!hasProblems()) { this.isQ = isQ; this.segments = segments; // Convert from W to Q Segment.setReferencePointConvertQ(segments, r, isQ, this); } } @Override protected CalculationResult innerCalculate( FixingsOverview overview, Function func ) { ColumnCache cc = new ColumnCache(); FitResult fitResult = doFitting(overview, cc, func); if (fitResult == null) { return new CalculationResult(this); } Segment segment = segments.get(0); int numResults = segment.numValues(); WQKms [] results = new WQKms[numResults]; for (int i = 0; i < results.length; ++i) { results[i] = new WQKms(); } Parameters parameters = fitResult.getParameters(); int kmIndex = parameters.columnIndex("km"); int [] parameterIndices = parameters.columnIndices(func.getParameterNames()); double [] parameterValues = new double[parameterIndices.length]; for (int row = 0, R = parameters.size(); row < R; ++row) { double km = parameters.get(row, kmIndex); if (!segment.inside(km)) { Segment nextSeg = null; for (Segment seg: segments) { if (seg.inside(km)) { nextSeg = seg; break; } } if (nextSeg == null) { // TODO: i18n addProblem(km, "fix.cannot.find.segment"); continue; } segment = nextSeg; } parameters.get(row, parameterIndices, parameterValues); org.dive4elements.river.artifacts.math.Function instance = func.instantiate(parameterValues); double [] values = segment.getValues(); for (int i = 0; i < numResults; ++i) { double q = values[i]; double w = instance.value(q); if (Double.isNaN(w)) { // TODO: i18n addProblem(km, "fix.cannot.calculate.function", q); } else { results[i].add(w, q, km); } } } // Name the curves. for (int i = 0; i < results.length; ++i) { results[i].setName(createName(i)); } FixRealizingResult frr = new FixRealizingResult( parameters, fitResult.getReferenced(), fitResult.getOutliers(), results); return new CalculationResult(frr, this); } // TODO: issue1109/2 protected String createName(int index) { // TODO: i18n StringBuilder sb = new StringBuilder(isQ ? "Q" : "W"); sb.append(" benutzerdefiniert ("); for (int i = 0, N = segments.size(); i < N; ++i) { if (i > 0) { sb.append("; "); } Segment segment = segments.get(i); double [] backup = segment.getBackup(); double [] values = segment.getValues(); sb.append((backup != null ? backup : values)[index]); } sb.append(')'); return sb.toString(); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :