Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FlowVelocityCalculation.java @ 4187:21f4e4b79121
Refactor GaugeDischargeCurveFacet to be able to set a facet name
For adding another output of the GaugeDischargeCurveArtifact it is necessary to
provide to facet instances with different names. Therefore the
GaugeDischargeCurveFacet is extended to set the facet name in the constructor.
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Fri, 19 Oct 2012 13:25:49 +0200 |
parents | a4930c43b806 |
children | e8a4d2fd25cc |
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package de.intevation.flys.artifacts.model; import java.util.ArrayList; import java.util.Collections; import java.util.List; import de.intevation.artifacts.Artifact; import de.intevation.flys.artifacts.access.FlowVelocityAccess; import de.intevation.flys.model.DischargeZone; import de.intevation.flys.model.FlowVelocityModel; import de.intevation.flys.model.FlowVelocityModelValue; import de.intevation.flys.model.River; import org.apache.log4j.Logger; public class FlowVelocityCalculation extends Calculation { private static final Logger logger = Logger.getLogger(FlowVelocityCalculation.class); public CalculationResult calculate(FlowVelocityAccess access) { logger.info("FlowVelocityCalculation.calculate"); int[] mainIds = access.getMainChannels(); int[] totalIds = access.getTotalChannels(); if (logger.isDebugEnabled()) { Artifact a = access.getArtifact(); logger.debug("Artifact '" + a.identifier() + "' contains:"); if (mainIds != null) { logger.debug(" " + mainIds.length + " main channel ids"); } if (totalIds != null) { logger.debug(" " + totalIds.length + " total channel ids"); } } List<DischargeZone> zones = getDischargeZones(mainIds, totalIds); List<FlowVelocityModel> models = getFlowVelocityModels(access, zones); return buildCalculationResult(access, models); } protected List<DischargeZone> getDischargeZones( int[] mainIds, int[] totalIds ) { List<DischargeZone> zones = new ArrayList<DischargeZone>(); if (mainIds != null) { for (int id: mainIds) { DischargeZone zone = DischargeZone.getDischargeZoneById(id); if (zone != null) { zones.add(zone); } } } if (totalIds != null) { for (int id: totalIds) { DischargeZone zone = DischargeZone.getDischargeZoneById(id); if (zone != null) { zones.add(zone); } } } return zones; } protected List<FlowVelocityModel> getFlowVelocityModels( FlowVelocityAccess access, List<DischargeZone> zones ) { String riverName = access.getRiver(); if (riverName == null) { logger.warn("No river name found"); return Collections.<FlowVelocityModel>emptyList(); } River river = RiverFactory.getRiver(riverName); if (river == null) { logger.warn("No such river: " + riverName); return Collections.<FlowVelocityModel>emptyList(); } List<FlowVelocityModel> models = new ArrayList<FlowVelocityModel>(); for (DischargeZone zone: zones) { List<FlowVelocityModel> model = FlowVelocityModel.getModels(river, zone); if (model != null) { models.addAll(model); } } return models; } protected void prepareData( FlowVelocityData data, FlowVelocityModel model, double kmLo, double kmHi ) { List<FlowVelocityModelValue> values = FlowVelocityModelValue.getValues(model, kmLo, kmHi); logger.debug("Found " + values.size() + " values for model."); for (FlowVelocityModelValue value: values) { data.addKM(value.getStation().doubleValue()); data.addQ(value.getQ().doubleValue()); data.addVTotal(value.getTotalChannel().doubleValue()); data.addVMain(value.getMainChannel().doubleValue()); data.addTauMain(value.getShearStress().doubleValue()); } DischargeZone zone = model.getDischargeZone(); String lo = zone.getLowerDischarge(); String hi = zone.getUpperDischarge(); if (lo.equals(hi)) { data.setZone(lo); } else { data.setZone(lo + " - " + hi); } } protected CalculationResult buildCalculationResult( FlowVelocityAccess access, List<FlowVelocityModel> models ) { double kmLo = access.getLowerKM(); double kmHi = access.getUpperKM(); logger.debug("Prepare data for km range: " + kmLo + " - " + kmHi); FlowVelocityData[] data = new FlowVelocityData[models.size()]; for (int i = 0, n = models.size(); i < n; i++) { FlowVelocityData d = new FlowVelocityData(); prepareData(d, models.get(i), kmLo, kmHi); data[i] = d; } logger.debug("Calculation contains " + data.length + " data items."); return new CalculationResult(data, this); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :