ingo@105: package de.intevation.flys.artifacts;
ingo@105: 
felix@1122: import java.awt.geom.Point2D;
felix@1122: 
sascha@1055: import de.intevation.artifactdatabase.ProtocolUtils;
ingo@109: 
sascha@1055: import de.intevation.artifactdatabase.data.StateData;
ingo@105: 
ingo@693: import de.intevation.artifactdatabase.state.Facet;
ingo@144: import de.intevation.artifactdatabase.state.Output;
ingo@110: import de.intevation.artifactdatabase.state.State;
ingo@110: import de.intevation.artifactdatabase.state.StateEngine;
sascha@1055: 
ingo@112: import de.intevation.artifactdatabase.transition.TransitionEngine;
ingo@110: 
sascha@1055: import de.intevation.artifacts.CallContext;
sascha@1055: 
sascha@1055: import de.intevation.artifacts.common.ArtifactNamespaceContext;
sascha@1055: 
ingo@109: import de.intevation.artifacts.common.utils.XMLUtils;
ingo@109: 
sascha@1055: import de.intevation.flys.artifacts.context.FLYSContext;
sascha@1055: 
sascha@1055: import de.intevation.flys.artifacts.model.Calculation1;
sascha@1055: import de.intevation.flys.artifacts.model.Calculation2;
sascha@1055: import de.intevation.flys.artifacts.model.Calculation3;
sascha@1055: import de.intevation.flys.artifacts.model.Calculation4;
sascha@1055: import de.intevation.flys.artifacts.model.Calculation;
sascha@1055: import de.intevation.flys.artifacts.model.CalculationResult;
felix@1116: import de.intevation.flys.artifacts.model.CrossSectionFactory;
sascha@1055: import de.intevation.flys.artifacts.model.DischargeTables;
sascha@1055: import de.intevation.flys.artifacts.model.MainValuesFactory;
sascha@1055: import de.intevation.flys.artifacts.model.Segment;
sascha@1055: import de.intevation.flys.artifacts.model.WQKms;
sascha@1055: import de.intevation.flys.artifacts.model.WstValueTable;
sascha@1055: import de.intevation.flys.artifacts.model.WstValueTableFactory;
sascha@1055: 
sascha@1055: import de.intevation.flys.artifacts.states.DefaultState;
sascha@1055: import de.intevation.flys.artifacts.states.LocationDistanceSelect;
sascha@1055: 
ingo@385: import de.intevation.flys.model.Gauge;
ingo@362: import de.intevation.flys.model.River;
felix@1116: import de.intevation.flys.model.CrossSection;
felix@1122: import de.intevation.flys.model.CrossSectionLine;
felix@1122: import de.intevation.flys.model.CrossSectionPoint;
ingo@362: 
sascha@1055: import de.intevation.flys.utils.DoubleUtil;
ingo@1095: import de.intevation.flys.utils.FLYSUtils;
sascha@655: 
sascha@1055: import gnu.trove.TDoubleArrayList;
sascha@451: 
sascha@1055: import java.util.ArrayList;
sascha@1055: import java.util.Arrays;
sascha@1055: import java.util.Collections;
sascha@1055: import java.util.List;
sascha@1055: import java.util.Map;
sascha@1055: 
sascha@1055: import org.apache.log4j.Logger;
sascha@1055: 
sascha@1055: import org.w3c.dom.Document;
sascha@1055: import org.w3c.dom.Element;
sascha@1055: import org.w3c.dom.Node;
ingo@105: 
felix@1122: import de.intevation.flys.artifacts.charts.CrossSectionApp;
felix@1122: 
ingo@105: /**
ingo@105:  * The default WINFO artifact.
ingo@105:  *
ingo@105:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@105:  */
ingo@119: public class WINFOArtifact extends FLYSArtifact {
ingo@105: 
felix@1029:     /** The logger for this class. */
ingo@105:     private static Logger logger = Logger.getLogger(WINFOArtifact.class);
ingo@105: 
ingo@105: 
felix@1029:     /** The name of the artifact. */
ingo@121:     public static final String ARTIFACT_NAME = "winfo";
ingo@121: 
sascha@1055: 
ingo@124:     /** XPath */
ingo@124:     public static final String XPATH_STATIC_UI ="/art:result/art:ui/art:static";
ingo@124: 
sascha@1055:     /** The default number of steps between the start end end of a selected Q
felix@1115:      * range. */
sascha@1055:     public static final int DEFAULT_Q_STEPS = 30;
sascha@1055: 
felix@1115:     /** The default step width between the start end end kilometer. */
sascha@1055:     public static final double DEFAULT_KM_STEPS = 0.1;
sascha@1055: 
ingo@121: 
ingo@105:     /**
ingo@105:      * The default constructor.
ingo@105:      */
ingo@105:     public WINFOArtifact() {
ingo@105:     }
ingo@105: 
ingo@105: 
ingo@105:     /**
ingo@105:      * This method returns a description of this artifact.
ingo@105:      *
ingo@105:      * @param data Some data.
ingo@128:      * @param context The CallContext.
ingo@105:      *
ingo@105:      * @return the description of this artifact.
ingo@105:      */
ingo@105:     public Document describe(Document data, CallContext context) {
ingo@119:         logger.debug("Describe: the current state is: " + getCurrentStateId());
ingo@105: 
ingo@624:         if (logger.isDebugEnabled()) {
ingo@624:             dumpArtifact();
ingo@624:         }
ingo@624: 
sascha@706:         FLYSContext flysContext = getFlysContext(context);
ingo@110: 
ingo@112:         StateEngine stateEngine = (StateEngine) flysContext.get(
ingo@112:             FLYSContext.STATE_ENGINE_KEY);
ingo@112: 
ingo@112:         TransitionEngine transitionEngine = (TransitionEngine) flysContext.get(
ingo@112:             FLYSContext.TRANSITION_ENGINE_KEY);
ingo@112: 
ingo@112:         List<State> reachable = transitionEngine.getReachableStates(
ingo@355:             this, getCurrentState(context), stateEngine);
ingo@112: 
ingo@112:         Document description            = XMLUtils.newDocument();
ingo@110:         XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
ingo@110:             description,
ingo@110:             ArtifactNamespaceContext.NAMESPACE_URI,
ingo@110:             ArtifactNamespaceContext.NAMESPACE_PREFIX);
ingo@110: 
ingo@110:         Element root = ProtocolUtils.createRootNode(creator);
ingo@115:         description.appendChild(root);
ingo@115: 
ingo@119:         State current = getCurrentState(context);
ingo@119: 
ingo@110:         ProtocolUtils.appendDescribeHeader(creator, root, identifier(), hash());
ingo@119:         ProtocolUtils.appendState(creator, root, current);
ingo@112:         ProtocolUtils.appendReachableStates(creator, root, reachable);
ingo@110: 
ingo@303:         Element name = ProtocolUtils.createArtNode(
ingo@303:             creator, "name",
ingo@303:             new String[] { "value" },
ingo@303:             new String[] { getName() });
ingo@303: 
ingo@127:         Element ui = ProtocolUtils.createArtNode(
ingo@127:             creator, "ui", null, null);
ingo@110: 
ingo@127:         Element staticUI  = ProtocolUtils.createArtNode(
ingo@127:             creator, "static", null, null);
ingo@127: 
ingo@144:         Element outs = ProtocolUtils.createArtNode(
ingo@144:             creator, "outputmodes", null, null);
ingo@144:         appendOutputModes(description, outs, context, identifier());
ingo@144: 
ingo@134:         appendStaticUI(description, staticUI, context, identifier());
ingo@128: 
ingo@127:         Element dynamic = current.describe(
ingo@306:             this,
ingo@124:             description,
ingo@127:             root,
ingo@127:             context,
ingo@127:             identifier());
ingo@127: 
ingo@144:         if (dynamic != null) {
ingo@144:             ui.appendChild(dynamic);
ingo@144:         }
ingo@144: 
ingo@128:         ui.appendChild(staticUI);
ingo@144: 
ingo@303:         root.appendChild(name);
ingo@127:         root.appendChild(ui);
ingo@144:         root.appendChild(outs);
ingo@124: 
ingo@110:         return description;
ingo@105:     }
ingo@121: 
ingo@121: 
ingo@121:     /**
ingo@121:      * Returns the name of the concrete artifact.
ingo@121:      *
ingo@121:      * @return the name of the concrete artifact.
ingo@121:      */
ingo@121:     public String getName() {
ingo@121:         return ARTIFACT_NAME;
ingo@121:     }
ingo@124: 
ingo@124: 
ingo@144:     protected void appendOutputModes(
ingo@144:         Document    doc,
ingo@144:         Element     outs,
ingo@144:         CallContext context,
ingo@144:         String      uuid)
ingo@144:     {
sascha@661:         List<String> stateIds = getPreviousStateIds();
ingo@144: 
ingo@144:         XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
ingo@144:             doc,
ingo@144:             ArtifactNamespaceContext.NAMESPACE_URI,
ingo@144:             ArtifactNamespaceContext.NAMESPACE_PREFIX);
ingo@144: 
ingo@144:         FLYSContext flysContext = getFlysContext(context);
ingo@144:         StateEngine engine      = (StateEngine) flysContext.get(
ingo@144:             FLYSContext.STATE_ENGINE_KEY);
ingo@144: 
ingo@144:         for (String stateId: stateIds) {
ingo@144:             logger.debug("Append output modes for state: " + stateId);
ingo@693:             DefaultState state = (DefaultState) engine.getState(stateId);
ingo@144: 
ingo@144:             List<Output> list = state.getOutputs();
ingo@144:             if (list == null || list.size() == 0) {
ingo@624:                 logger.debug("-> No output modes for this state.");
ingo@144:                 continue;
ingo@144:             }
ingo@144: 
ingo@693:             List<Facet>  fs = facets.get(stateId);
ingo@693:             if (fs == null || fs.size() == 0) {
ingo@693:                 logger.debug("No facets found.");
ingo@693:                 continue;
ingo@693:             }
ingo@693: 
ingo@696:             logger.debug("Found " + fs.size() + " facets in previous states.");
ingo@693: 
ingo@693:             List<Output> generated = generateOutputs(list, fs);
ingo@693: 
ingo@943:             ProtocolUtils.appendOutputModes(doc, outs, generated);
ingo@144:         }
ingo@144: 
ingo@355:         try {
ingo@355:             DefaultState cur = (DefaultState) getCurrentState(context);
sascha@1050:             if (cur.validate(this)) {
ingo@355:                 List<Output> list = cur.getOutputs();
ingo@355:                 if (list != null && list.size() > 0) {
ingo@355:                     logger.debug(
ingo@355:                         "Append output modes for state: " + cur.getID());
ingo@355: 
ingo@693:                     List<Facet>  fs = facets.get(cur.getID());
ingo@693:                     if (fs != null && fs.size() > 0) {
ingo@693:                         List<Output> generated = generateOutputs(list, fs);
ingo@693: 
ingo@696:                         logger.debug("Found " + fs.size() + " current facets.");
sascha@714:                         if (!generated.isEmpty()) {
sascha@714:                             ProtocolUtils.appendOutputModes(
ingo@943:                                 doc, outs, generated);
sascha@714:                         }
ingo@693:                     }
ingo@693:                     else {
ingo@693:                         logger.debug("No facets found for the current state.");
ingo@693:                     }
ingo@693: 
ingo@355:                 }
ingo@355:             }
ingo@355:         }
ingo@355:         catch (IllegalArgumentException iae) {
ingo@355:             // state is not valid, so we do not append its outputs.
ingo@355:         }
ingo@144:     }
ingo@144: 
ingo@144: 
ingo@124:     /**
ingo@124:      * This method appends the static data - that has already been inserted by
ingo@124:      * the user - to the static node of the DESCRIBE document.
ingo@124:      *
ingo@134:      * @param doc The document.
ingo@134:      * @param ui The root node.
ingo@134:      * @param context The CallContext.
ingo@134:      * @param uuid The identifier of the artifact.
ingo@124:      */
ingo@128:     protected void appendStaticUI(
ingo@134:         Document    doc,
ingo@134:         Node        ui,
ingo@134:         CallContext context,
ingo@134:         String uuid)
ingo@128:     {
sascha@661:         List<String> stateIds = getPreviousStateIds();
ingo@124: 
ingo@134:         FLYSContext flysContext = getFlysContext(context);
ingo@134:         StateEngine engine      = (StateEngine) flysContext.get(
ingo@134:             FLYSContext.STATE_ENGINE_KEY);
ingo@124: 
ingo@134:         for (String stateId: stateIds) {
ingo@134:             logger.debug("Append static data for state: " + stateId);
ingo@134:             DefaultState state = (DefaultState) engine.getState(stateId);
ingo@302: 
ingo@624:             ui.appendChild(state.describeStatic(this, doc, ui, context, uuid));
ingo@134:         }
ingo@362:     }
ingo@124: 
ingo@362: 
ingo@362:     //
ingo@362:     // METHODS FOR RETRIEVING COMPUTED DATA FOR DIFFERENT CHART TYPES
ingo@362:     //
ingo@362: 
ingo@687:     /**
ingo@362:      * Returns the data that is computed by a waterlevel computation.
ingo@362:      *
ingo@362:      * @return an array of data triples that consist of W, Q and Kms.
ingo@362:      */
sascha@709:     public CalculationResult getWaterlevelData()
ingo@362:     {
ingo@362:         logger.debug("WINFOArtifact.getWaterlevelData");
ingo@362: 
felix@1102:         River river = FLYSUtils.getRiver(this);
ingo@362:         if (river == null) {
sascha@709:             return error(new WQKms[0], "No river selected.");
ingo@362:         }
ingo@362: 
ingo@362:         double[] kms = getKms();
ingo@362:         if (kms == null) {
sascha@709:             return error(new WQKms[0], "No Kms selected.");
ingo@362:         }
ingo@362: 
ingo@447:         double[] qs   = getQs();
ingo@447:         double[] ws   = null;
ingo@447:         boolean  qSel = true;
ingo@447: 
ingo@362:         if (qs == null) {
ingo@377:             logger.debug("Determine Q values based on a set of W values.");
ingo@447:             qSel = false;
ingo@447:             ws   = getWs();
ingo@447:             qs   = getQsForWs(ws);
sascha@735:             if (qs == null) {
sascha@735:                 return error(new WQKms[0], "conversion ws to qs failed.");
sascha@735:             }
ingo@362:         }
ingo@362: 
sascha@443:         WstValueTable wst = WstValueTableFactory.getTable(river);
ingo@362:         if (wst == null) {
sascha@709:             return error(new WQKms[0], "No Wst found for selected river.");
ingo@362:         }
ingo@362: 
sascha@708: 
ingo@1095:         double [] range = FLYSUtils.getKmRange(this);
sascha@738:         if (range == null) {
sascha@738:             return error(new WQKms[0], "No range found");
sascha@738:         }
sascha@736: 
sascha@738:         double refKm;
sascha@738: 
sascha@738:         if (isFreeQ()) {
sascha@738:             refKm = range[0];
sascha@738:             logger.debug("'free' calculation (km " + refKm + ")");
sascha@738:         }
sascha@738:         else {
sascha@736:             Gauge gauge = river.determineGaugeByPosition(range[0]);
sascha@708:             if (gauge == null) {
sascha@736:                 return error(
sascha@736:                     new WQKms[0], "No gauge found for km " + range[0]);
sascha@708:             }
sascha@736: 
sascha@736:             refKm = gauge.getStation().doubleValue();
sascha@736: 
sascha@736:             logger.debug(
sascha@736:                 "reference gauge: " + gauge.getName() + " (km " + refKm + ")");
sascha@708:         }
sascha@708: 
sascha@738:         return computeWaterlevelData(kms, qs, ws, wst, refKm);
ingo@447:     }
ingo@447: 
felix@1115: 
ingo@362:     /**
ingo@362:      * Computes the data of a waterlevel computation based on the interpolation
ingo@362:      * in WstValueTable.
ingo@362:      *
ingo@362:      * @param kms The kilometer values.
ingo@362:      * @param qa The discharge values.
ingo@362:      * @param wst The WstValueTable used for the interpolation.
ingo@362:      *
ingo@362:      * @return an array of data triples that consist of W, Q and Kms.
ingo@362:      */
sascha@709:     public static CalculationResult computeWaterlevelData(
ingo@686:         double []     kms,
ingo@686:         double []     qs,
ingo@686:         double []     ws,
sascha@635:         WstValueTable wst,
sascha@738:         double        refKm
sascha@635:     ) {
ingo@362:         logger.info("WINFOArtifact.computeWaterlevelData");
ingo@362: 
sascha@738:         Calculation1 calc1 = new Calculation1(kms, qs, ws, refKm);
sascha@636: 
sascha@709:         return calc1.calculate(wst);
ingo@124:     }
ingo@385: 
ingo@385: 
ingo@385:     /**
ingo@385:      * Returns the data that is computed by a duration curve computation.
ingo@385:      *
ingo@385:      * @return the data computed by a duration curve computation.
ingo@385:      */
sascha@709:     public CalculationResult getDurationCurveData() {
ingo@385:         logger.debug("WINFOArtifact.getDurationCurveData");
ingo@385: 
felix@1102:         River r = FLYSUtils.getRiver(this);
ingo@385: 
ingo@385:         if (r == null) {
sascha@709:             return error(null, "Cannot determine river.");
ingo@385:         }
ingo@385: 
ingo@385:         Gauge g = getGauge();
ingo@385: 
ingo@385:         if (g == null) {
sascha@709:            return error(null, "Cannot determine gauge.");
ingo@385:         }
ingo@385: 
ingo@1095:         double[] locations = FLYSUtils.getLocations(this);
ingo@385: 
ingo@385:         if (locations == null) {
sascha@709:             return error(null, "Cannot determine location.");
ingo@385:         }
ingo@385: 
sascha@443:         WstValueTable wst = WstValueTableFactory.getTable(r);
ingo@385:         if (wst == null) {
sascha@709:             return error(null, "No Wst found for selected river.");
ingo@385:         }
ingo@385: 
ingo@385:         return computeDurationCurveData(g, wst, locations[0]);
ingo@385:     }
ingo@385: 
ingo@385: 
ingo@385:     /**
ingo@385:      * Computes the data used to create duration curves.
ingo@385:      *
ingo@385:      * @param gauge The selected gauge.
ingo@385:      * @param location The selected location.
ingo@385:      *
ingo@385:      * @return the computed data.
ingo@385:      */
sascha@709:     public static CalculationResult computeDurationCurveData(
ingo@385:         Gauge           gauge,
ingo@385:         WstValueTable   wst,
ingo@385:         double          location)
ingo@385:     {
ingo@385:         logger.info("WINFOArtifact.computeDurationCurveData");
ingo@385: 
ingo@385:         Object[] obj = MainValuesFactory.getDurationCurveData(gauge);
ingo@385: 
ingo@385:         int[]    days = (int[]) obj[0];
ingo@385:         double[] qs   = (double[]) obj[1];
ingo@385: 
ingo@686:         Calculation3 calculation = new Calculation3(location, days, qs);
ingo@385: 
ingo@686:         return calculation.calculate(wst);
ingo@385:     }
ingo@393: 
ingo@393: 
ingo@393:     /**
ingo@687:      * Returns the data that is used to create discharge curves.
ingo@687:      *
ingo@687:      */
sascha@721:     public CalculationResult getDischargeCurveData() {
ingo@687: 
felix@1102:         River river = FLYSUtils.getRiver(this);
sascha@721:         if (river == null) {
sascha@721:             return error(new WQKms[0], "no river found");
ingo@687:         }
ingo@687: 
ingo@1095:         double [] distance = FLYSUtils.getKmRange(this);
ingo@687: 
sascha@721:         if (distance == null) {
sascha@721:             return error(new WQKms[0], "no range found");
ingo@687:         }
ingo@687: 
sascha@721:         List<Gauge> gauges = river.determineGauges(distance[0], distance[1]);
ingo@687: 
sascha@721:         if (gauges.isEmpty()) {
sascha@721:             return error(new WQKms[0], "no gauges found");
sascha@721:         }
sascha@721: 
sascha@721:         String [] names = new String[gauges.size()];
sascha@721: 
sascha@721:         for (int i = 0; i < names.length; ++i) {
sascha@721:             names[i] = gauges.get(i).getName();
sascha@721:         }
sascha@721: 
sascha@721:         DischargeTables dt = new DischargeTables(river.getName(), names);
sascha@721: 
sascha@721:         Map<String, double [][]> map = dt.getValues(100d);
sascha@721: 
sascha@721:         ArrayList<WQKms> res = new ArrayList<WQKms>();
sascha@721: 
sascha@721:         for (Gauge gauge: gauges) {
sascha@721:             String name = gauge.getName();
sascha@721:             double [][] values = map.get(name);
sascha@721:             if (values == null) {
sascha@721:                 continue;
sascha@721:             }
sascha@721:             double [] kms = new double[values[0].length];
sascha@721:             Arrays.fill(kms, gauge.getStation().doubleValue());
sascha@723:             res.add(new WQKms(kms, values[0], values[1], name));
sascha@721:         }
sascha@721: 
sascha@721:         return new CalculationResult(
sascha@721:             res.toArray(new WQKms[res.size()]),
sascha@721:             new Calculation());
ingo@687:     }
ingo@687: 
ingo@687: 
ingo@687:     /**
ingo@393:      * Returns the data that is computed by a discharge curve computation.
ingo@393:      *
ingo@393:      * @return the data computed by a discharge curve computation.
ingo@393:      */
sascha@709:     public CalculationResult getComputedDischargeCurveData()
ingo@393:     throws NullPointerException
ingo@393:     {
ingo@393:         logger.debug("WINFOArtifact.getComputedDischargeCurveData");
ingo@393: 
felix@1102:         River r = FLYSUtils.getRiver(this);
ingo@393: 
ingo@393:         if (r == null) {
sascha@709:             return error(new WQKms[0], "Cannot determine river.");
ingo@393:         }
ingo@393: 
ingo@1095:         double[] locations = FLYSUtils.getLocations(this);
ingo@393: 
ingo@393:         if (locations == null) {
sascha@709:             return error(new WQKms[0], "Cannot determine location.");
ingo@393:         }
ingo@393: 
sascha@443:         WstValueTable wst = WstValueTableFactory.getTable(r);
ingo@393:         if (wst == null) {
sascha@709:             return error(new WQKms[0], "No Wst found for selected river.");
ingo@393:         }
ingo@393: 
sascha@709:         return computeDischargeCurveData(wst, locations[0]);
ingo@456:     }
ingo@456: 
ingo@456: 
ingo@456:     /**
ingo@393:      * Computes the data used to create computed discharge curves.
ingo@393:      *
ingo@393:      * @param wst The WstValueTable that is used for the interpolation.
ingo@393:      * @param location The location where the computation should be based on.
ingo@393:      *
ingo@393:      * @return an object that contains tuples of W/Q values at the specified
ingo@393:      * location.
ingo@393:      */
sascha@709:     public static CalculationResult computeDischargeCurveData(
ingo@393:         WstValueTable wst,
ingo@393:         double location)
ingo@393:     {
ingo@393:         logger.info("WINFOArtifact.computeDischargeCurveData");
ingo@393: 
ingo@686:         Calculation2 calculation = new Calculation2(location);
ingo@393: 
sascha@709:         return calculation.calculate(wst);
sascha@709:     }
ingo@393: 
sascha@709:     protected static final CalculationResult error(Object data, String msg) {
sascha@709:         return new CalculationResult(data, new Calculation(msg));
ingo@393:     }
ingo@402: 
ingo@402:     /**
ingo@402:      * Returns the data computed by the discharge longitudinal section
ingo@402:      * computation.
ingo@402:      *
ingo@402:      * @return an array of WQKms object - one object for each given Q value.
ingo@402:      */
sascha@709:     public CalculationResult getDischargeLongitudinalSectionData() {
sascha@451: 
ingo@402:         logger.debug("WINFOArtifact.getDischargeLongitudinalSectionData");
ingo@402: 
felix@1102:         River river = FLYSUtils.getRiver(this);
ingo@402:         if (river == null) {
sascha@709:             logger.debug("No river selected.");
sascha@709:             return error(new WQKms[0], "No river selected.");
ingo@402:         }
ingo@402: 
sascha@655:         WstValueTable table = WstValueTableFactory.getTable(river);
sascha@655:         if (table == null) {
sascha@709:             logger.debug("No wst found for selected river.");
sascha@709:             return error(new WQKms[0], "No wst found for selected river.");
ingo@402:         }
ingo@402: 
sascha@655:         List<Segment> segments = getSegments();
sascha@637: 
sascha@655:         if (segments == null) {
sascha@709:             logger.debug("Cannot create segments.");
sascha@709:             return error(new WQKms[0], "Cannot create segments.");
sascha@451:         }
ingo@450: 
sascha@655:         double [] range = getFromToStep();
sascha@451: 
sascha@655:         if (range == null) {
sascha@709:             logger.debug("Cannot figure out range.");
sascha@709:             return error(new WQKms[0], "Cannot figure out range.");
sascha@451:         }
sascha@451: 
sascha@655:         Calculation4 calc4 = new Calculation4(segments, river, isQ());
sascha@455: 
sascha@709:         return calc4.calculate(table, range[0], range[1], range[2]);
ingo@450:     }
sascha@1055: 
sascha@1055:     public List<Segment> getSegments() {
sascha@1055:         StateData wqValues = getData("wq_values");
sascha@1055:         if (wqValues == null) {
sascha@1055:             logger.warn("no wq_values given");
sascha@1055:             return Collections.emptyList();
sascha@1055:         }
sascha@1055:         String input = (String)wqValues.getValue();
sascha@1055:         if (input == null || (input = input.trim()).length() == 0) {
sascha@1055:             logger.warn("wq_values are empty");
sascha@1055:             return Collections.emptyList();
sascha@1055:         }
sascha@1055:         return Segment.parseSegments(input);
sascha@1055:     }
sascha@1055: 
felix@1122: 
felix@1122:     /**
felix@1122:      * Get List of all cross-sections for current river.
felix@1122:      *
felix@1122:      * @return List of CrossSections for current river, null in case of error.
felix@1122:      */
felix@1122:     protected List<CrossSection> getCrossSections() {
felix@1116:         River river = FLYSUtils.getRiver(this);
felix@1116:         if (river == null) {
felix@1116:             logger.warn("No river in WINFO found");
felix@1116:             return null;
felix@1116:         }
felix@1116:         return CrossSectionFactory.getCrossSections(river);
felix@1116:     }
felix@1116: 
sascha@1055: 
sascha@1055:     /**
felix@1122:      * Get sorted, valid Points of a CrossSectionLine.
felix@1122:      *
felix@1122:      * @param line line of interest.
felix@1122:      *
felix@1122:      * @return list of points of CrossSectionLine, sorted.
felix@1122:      */
felix@1122:     protected List<Point2D> getCrossSectionLinesPoints(CrossSectionLine line) {
felix@1122:         List<Point2D> points = new ArrayList<Point2D>(); 
felix@1122:         List<CrossSectionPoint> linePoints = line.getPoints();
felix@1122:         if (linePoints.isEmpty()) {
felix@1122:             logger.info("No points in selected CrossSectionLine.");
felix@1122:             return points;
felix@1122:         }
felix@1122:         Collections.sort(linePoints, CrossSectionApp.COL_POS_CMP);
felix@1122:         for (CrossSectionPoint p: linePoints) {
felix@1122:             double x = p.getX().doubleValue();
felix@1122:             double y = p.getY().doubleValue();
felix@1122:             if (CrossSectionApp.isValid(x) && CrossSectionApp.isValid(y)) {
felix@1122:                 points.add(new Point2D.Double(x,y));
felix@1122:             }
felix@1122:         }
felix@1122:         return points;
felix@1122:     }
felix@1122: 
felix@1122: 
felix@1122:     /**
felix@1122:      * Get points of Profile of cross section.
felix@1122:      *
felix@1122:      * @return an array holding coordinates of points of profile (
felix@1122:      *         in the form {{x1, x2} {y1, y2}} ).
felix@1122:      */
felix@1122:     public double [][] getCrossSectionData() {
felix@1122:         return getCrossSectionProfile(getCrossSections().get(0).getLines().get(0));
felix@1122:     }
felix@1122: 
felix@1122: 
felix@1122:     /**
felix@1122:      * Get points of line describing the surface of water at cross section.
felix@1122:      *
felix@1122:      * @return an array holding coordinates of points of surface of water (
felix@1122:      *         in the form {{x1, x2} {y1, y2}} ).
felix@1122:      */
felix@1122: 
felix@1122:     public double [][] getWaterLines() {
felix@1122:         CrossSectionLine csl = getCrossSections().get(0).getLines().get(0);
felix@1122:         List<Point2D> points = getCrossSectionLinesPoints(csl);
felix@1122:         return CrossSectionApp.createWaterLines(points, 130);
felix@1122:     }
felix@1122: 
felix@1122: 
felix@1122:     /**
felix@1125:      * Get name of cross section.
felix@1125:      */
felix@1125:     public String getCrossSectionName() {
felix@1125:         return getCrossSections().get(0).getDescription();
felix@1125:     }
felix@1125: 
felix@1125: 
felix@1125:     /**
felix@1122:      * Get points of CrossSection Line.
felix@1122:      */
felix@1122:     protected double [][] getCrossSectionProfile(CrossSectionLine csl) {
felix@1122:         List<Point2D> points = getCrossSectionLinesPoints(csl);
felix@1122:         double [] xs = new double[points.size()];
felix@1122:         double [] ys = new double[points.size()];
felix@1122: 
felix@1122:         if (points.isEmpty()) {
felix@1122:             return new double [][] {xs, ys};
felix@1122:         }
felix@1122: 
felix@1122:         xs[0] = points.get(0).getX();
felix@1122:         ys[0] = points.get(0).getY();
felix@1122: 
felix@1122:         for (int i = 1; i < points.size(); i++) {
felix@1122:             Point2D p = points.get(i);
felix@1122:             xs[i] = p.getX();
felix@1122:             if (xs[i] < xs[i-1]) {
felix@1122:                 xs[i] = xs[i-1] + CrossSectionApp.EPSILON;
felix@1122:             }
felix@1122:             ys[i] = p.getY(); 
felix@1122:         }
felix@1122:         return new double [][] { xs, ys };
felix@1122:     }
felix@1122: 
felix@1122: 
felix@1122:     /**
sascha@1055:      * Returns the Qs for a number of Ws. This method makes use of
sascha@1055:      * DischargeTables.getQForW().
sascha@1055:      *
sascha@1055:      * @param ws An array of W values.
sascha@1055:      *
sascha@1055:      * @return an array of Q values.
sascha@1055:      */
sascha@1055:     public double[] getQsForWs(double[] ws) {
sascha@1055: 
sascha@1055:         boolean debug = logger.isDebugEnabled();
sascha@1055: 
sascha@1055:         if (debug) {
sascha@1055:             logger.debug("FLYSArtifact.getQsForWs");
sascha@1055:         }
sascha@1055: 
felix@1102:         River r = FLYSUtils.getRiver(this);
sascha@1055:         if (r == null) {
sascha@1055:             logger.warn("no river found");
sascha@1055:             return null;
sascha@1055:         }
sascha@1055: 
ingo@1095:         double [] range = FLYSUtils.getKmRange(this);
sascha@1055:         if (range == null) {
sascha@1055:             logger.warn("no ranges found");
sascha@1055:             return null;
sascha@1055:         }
sascha@1055: 
sascha@1055:         if (debug) {
sascha@1055:             logger.debug("range: " + Arrays.toString(range));
sascha@1055:         }
sascha@1055: 
sascha@1055:         Gauge g = r.determineGaugeByPosition(range[0]);
sascha@1055:         if (g == null) {
sascha@1055:             logger.warn("no gauge found for km: " + range[0]);
sascha@1055:             return null;
sascha@1055:         }
sascha@1055: 
sascha@1055:         if (debug) {
sascha@1055:             logger.debug("convert w->q with gauge '" + g.getName() + "'");
sascha@1055:         }
sascha@1055: 
sascha@1055:         DischargeTables dt = new DischargeTables(r.getName(), g.getName());
sascha@1055:         Map<String, double [][]>  tmp = dt.getValues();
sascha@1055: 
sascha@1055:         double[][] values = tmp.get(g.getName());
sascha@1055:         double[]   qs     = new double[ws.length];
sascha@1055: 
sascha@1055:         for (int i = 0; i < ws.length; i++) {
sascha@1055:             qs[i] = dt.getQForW(values, ws[i]);
sascha@1055:             if (debug) {
sascha@1055:                 logger.debug("w: " + ws[i] + " -> q: " + qs[i]);
sascha@1055:             }
sascha@1055:         }
sascha@1055: 
sascha@1055:         return qs;
sascha@1055:     }
sascha@1055: 
sascha@1055: 
sascha@1055:     /**
sascha@1055:      * Determines the selected mode of distance/range input.
sascha@1055:      *
sascha@1055:      * @return true, if the range mode is selected otherwise false.
sascha@1055:      */
sascha@1055:     public boolean isRange() {
sascha@1055:         StateData mode = getData("ld_mode");
sascha@1055: 
sascha@1055:         if (mode == null) {
sascha@1055:             logger.warn("No mode location/range chosen. Defaults to range.");
sascha@1055:             return true;
sascha@1055:         }
sascha@1055: 
sascha@1055:         String value = (String) mode.getValue();
sascha@1055: 
sascha@1055:         return value.equals("distance");
sascha@1055:     }
sascha@1055: 
sascha@1055: 
sascha@1055:     /**
sascha@1055:      * Returns the selected distance based on a given range (from, to).
sascha@1055:      *
sascha@1055:      * @param dFrom The StateData that contains the lower value.
sascha@1055:      * @param dTo The StateData that contains the upper value.
sascha@1055:      *
sascha@1055:      * @return the selected distance.
sascha@1055:      */
sascha@1055:     protected double[] getDistanceByRange(StateData dFrom, StateData dTo) {
sascha@1055:         double from = Double.parseDouble((String) dFrom.getValue());
sascha@1055:         double to   = Double.parseDouble((String) dTo.getValue());
sascha@1055: 
sascha@1055:         return new double[] { from, to };
sascha@1055:     }
sascha@1055: 
sascha@1055: 
sascha@1055:     /**
sascha@1055:      * Returns the selected Kms.
sascha@1055:      *
sascha@1055:      * @param distance An 2dim array with [lower, upper] values.
sascha@1055:      *
sascha@1055:      * @return the selected Kms.
sascha@1055:      */
sascha@1055:     public double[] getKms(double[] distance) {
sascha@1055:         StateData dStep = getData("ld_step");
sascha@1055: 
sascha@1055:         if (dStep == null) {
sascha@1055:             logger.warn("No step width given. Cannot compute Kms.");
sascha@1055:             return null;
sascha@1055:         }
sascha@1055: 
sascha@1055:         double step = Double.parseDouble((String) dStep.getValue());
sascha@1055: 
sascha@1055:         // transform step from 'm' into 'km'
sascha@1055:         step = step / 1000;
sascha@1055: 
sascha@1055:         if (step == 0d) {
sascha@1055:             step = DEFAULT_KM_STEPS;
sascha@1055:         }
sascha@1055: 
sascha@1055:         return DoubleUtil.explode(distance[0], distance[1], step);
sascha@1055:     }
sascha@1055: 
sascha@1055: 
sascha@1055:     /**
sascha@1055:      * Returns the selected Kms.
sascha@1055:      *
sascha@1055:      * @return the selected kms.
sascha@1055:      */
sascha@1055:     public double[] getKms() {
sascha@1055:         if (isRange()) {
ingo@1095:             double[] distance = FLYSUtils.getKmRange(this);
sascha@1055:             return getKms(distance);
sascha@1055: 
sascha@1055:         }
sascha@1055:         else {
sascha@1055:             return LocationDistanceSelect.getLocations(this);
sascha@1055:         }
sascha@1055:     }
sascha@1055: 
sascha@1055:     public double [] getFromToStep() {
sascha@1055:         if (!isRange()) {
sascha@1055:             return null;
sascha@1055:         }
ingo@1095:         double [] fromTo = FLYSUtils.getKmRange(this);
sascha@1055: 
sascha@1055:         if (fromTo == null) {
sascha@1055:             return null;
sascha@1055:         }
sascha@1055: 
sascha@1055:         StateData dStep = getData("ld_step");
sascha@1055:         if (dStep == null) {
sascha@1055:             return null;
sascha@1055:         }
sascha@1055: 
sascha@1055:         double [] result = new double[3];
sascha@1055:         result[0] = fromTo[0];
sascha@1055:         result[1] = fromTo[1];
sascha@1055: 
sascha@1055:         try {
sascha@1055:             String step = (String)dStep.getValue();
sascha@1055:             result[2] = DoubleUtil.round(Double.parseDouble(step) / 1000d);
sascha@1055:         }
sascha@1055:         catch (NumberFormatException nfe) {
sascha@1055:             return null;
sascha@1055:         }
sascha@1055: 
sascha@1055:         return result;
sascha@1055:     }
sascha@1055: 
sascha@1055: 
sascha@1055:     /**
sascha@1055:      * Returns the gauge based on the current distance and river.
sascha@1055:      *
sascha@1055:      * @return the gauge.
sascha@1055:      */
sascha@1055:     public Gauge getGauge() {
felix@1102:         River river = FLYSUtils.getRiver(this);
sascha@1055: 
sascha@1055:         if (river == null) {
sascha@1055:             logger.debug("no river found");
sascha@1055:             return null;
sascha@1055:         }
sascha@1055: 
ingo@1095:         double[] dist  = FLYSUtils.getKmRange(this);
sascha@1055: 
sascha@1055:         if (dist == null) {
sascha@1055:             logger.debug("no range found");
sascha@1055:             return null;
sascha@1055:         }
sascha@1055: 
sascha@1055:         if (logger.isDebugEnabled()) {
sascha@1055:             logger.debug("Determine gauge for:");
sascha@1055:             logger.debug("... river: " + river.getName());
sascha@1055:             logger.debug("... distance: " + dist[0] + " - " + dist[1]);
sascha@1055:         }
sascha@1055: 
sascha@1055:         Gauge gauge = river.determineGauge(dist[0], dist[1]);
sascha@1055: 
sascha@1055:         String name = gauge != null ? gauge.getName() : "'n/a";
sascha@1055:         logger.debug("Found gauge: " + name);
sascha@1055: 
sascha@1055:         return gauge;
sascha@1055:     }
sascha@1055: 
sascha@1055: 
sascha@1055:     /**
sascha@1055:      * Returns the gauges that match the selected kilometer range.
sascha@1055:      *
sascha@1055:      * @return the gauges based on the selected kilometer range.
sascha@1055:      */
sascha@1055:     public List<Gauge> getGauges() {
sascha@1055: 
felix@1102:         River river = FLYSUtils.getRiver(this);
sascha@1055:         if (river == null) {
sascha@1055:             return null;
sascha@1055:         }
sascha@1055: 
felix@1102:         double [] dist = FLYSUtils.getKmRange(this);
sascha@1055:         if (dist == null) {
sascha@1055:             return null;
sascha@1055:         }
sascha@1055: 
sascha@1055:         return river.determineGauges(dist[0], dist[1]);
sascha@1055:     }
sascha@1055: 
sascha@1055: 
sascha@1055:     /**
sascha@1055:      * This method returns the Q values.
sascha@1055:      *
sascha@1055:      * @return the selected Q values or null, if no Q values are selected.
sascha@1055:      */
sascha@1055:     public double[] getQs() {
sascha@1055:         StateData dMode      = getData("wq_mode");
sascha@1055:         StateData dSelection = getData("wq_selection");
sascha@1055: 
sascha@1055:         String mode = dMode != null ? (String) dMode.getValue() : "";
sascha@1055:         String sel  = dSelection != null ? (String)dSelection.getValue() : null;
sascha@1055: 
sascha@1055:         if (mode.equals("Q")) {
sascha@1055:             if (sel != null && sel.equals("single")) {
sascha@1055:                 return getSingleWQValues();
sascha@1055:             }
sascha@1055:             else {
sascha@1055:                 return getWQTriple();
sascha@1055:             }
sascha@1055:         }
sascha@1055:         else {
sascha@1055:             logger.warn("You try to get Qs, but W has been inserted.");
sascha@1055:             return null;
sascha@1055:         }
sascha@1055:     }
sascha@1055: 
sascha@1055: 
sascha@1055:     public boolean isQ() {
sascha@1055:         StateData mode = getData("wq_mode");
sascha@1055:         return mode != null && mode.getValue().equals("Q");
sascha@1055:     }
sascha@1055: 
sascha@1055: 
sascha@1055:     /**
sascha@1055:      * Returns true, if the parameter is set to compute data on a free range.
sascha@1055:      * Otherwise it returns false, which tells the calculation that it is bound
sascha@1055:      * to a gauge.
sascha@1055:      *
sascha@1055:      * @return true, if the calculation should compute on a free range otherwise
sascha@1055:      * false and the calculation is bound to a gauge.
sascha@1055:      */
sascha@1055:     public boolean isFreeQ() {
sascha@1055:         StateData mode  = getData("wq_free");
felix@1115:         String    value = (mode != null) ? (String) mode.getValue() : null;
sascha@1055: 
sascha@1055:         logger.debug("isFreeQ: " + value);
sascha@1055: 
sascha@1055:         if (value == null) {
sascha@1055:             return false;
sascha@1055:         }
sascha@1055: 
sascha@1055:         return Boolean.valueOf(value);
sascha@1055:     }
sascha@1055: 
sascha@1055: 
sascha@1055:     /**
sascha@1055:      * Returns the Q values based on a specified kilometer range.
sascha@1055:      *
sascha@1055:      * @param range A 2dim array with lower and upper kilometer range.
sascha@1055:      *
sascha@1055:      * @return an array of Q values.
sascha@1055:      */
sascha@1055:     public double[] getQs(double[] range) {
sascha@1055:         StateData dMode   = getData("wq_mode");
sascha@1055:         StateData dValues = getData("wq_values");
sascha@1055: 
felix@1115:         String mode = (dMode != null) ? (String) dMode.getValue() : "";
sascha@1055: 
sascha@1055:         if (mode.equals("Q")) {
sascha@1055:             return getWQForDist(range);
sascha@1055:         }
sascha@1055: 
sascha@1055:         logger.warn("You try to get Qs, but Ws has been inserted.");
sascha@1055:         return null;
sascha@1055:     }
sascha@1055: 
sascha@1055: 
sascha@1055:     /**
sascha@1055:      * Returns the W values based on a specified kilometer range.
sascha@1055:      *
sascha@1055:      * @param range A 2dim array with lower and upper kilometer range.
sascha@1055:      *
sascha@1055:      * @return an array of W values.
sascha@1055:      */
sascha@1055:     public double[] getWs(double[] range) {
sascha@1055:         StateData dMode   = getData("wq_mode");
sascha@1055:         StateData dValues = getData("wq_values");
sascha@1055: 
felix@1115:         String mode = (dMode != null) ? (String) dMode.getValue() : "";
sascha@1055: 
sascha@1055:         if (mode.equals("W")) {
sascha@1055:             return getWQForDist(range);
sascha@1055:         }
sascha@1055: 
sascha@1055:         logger.warn("You try to get Ws, but Qs has been inserted.");
sascha@1055:         return null;
sascha@1055:     }
sascha@1055: 
sascha@1055: 
sascha@1055:     /**
sascha@1055:      * This method returns the W values.
sascha@1055:      *
sascha@1055:      * @return the selected W values or null, if no W values are selected.
sascha@1055:      */
sascha@1055:     public double[] getWs() {
sascha@1055:         StateData dMode   = getData("wq_mode");
sascha@1055:         StateData dSingle = getData("wq_single");
sascha@1055: 
sascha@1055:         String mode = dMode != null ? (String) dMode.getValue() : "";
sascha@1055: 
sascha@1055:         if (mode.equals("W")) {
sascha@1055:             if (dSingle != null) {
sascha@1055:                 return getSingleWQValues();
sascha@1055:             }
sascha@1055:             else {
sascha@1055:                 return getWQTriple();
sascha@1055:             }
sascha@1055:         }
sascha@1055:         else {
sascha@1055:             logger.warn("You try to get Qs, but W has been inserted.");
sascha@1055:             return null;
sascha@1055:         }
sascha@1055:     }
sascha@1055: 
sascha@1055:     /**
sascha@1055:      * This method returns the given W or Q values for a specific range
sascha@1055:      * (inserted in the WQ input panel for discharge longitudinal sections).
sascha@1055:      *
sascha@1055:      * @param dist A 2dim array with lower und upper kilometer values.
sascha@1055:      *
sascha@1055:      * @return an array of W or Q values.
sascha@1055:      */
sascha@1055:     protected double[] getWQForDist(double[] dist) {
sascha@1055:         logger.debug("Search wq values for range: " + dist[0] + " - " + dist[1]);
sascha@1055:         StateData data = getData("wq_values");
sascha@1055: 
sascha@1055:         if (data == null) {
sascha@1055:             logger.warn("Missing wq values!");
sascha@1055:             return null;
sascha@1055:         }
sascha@1055: 
sascha@1055:         String dataString = (String) data.getValue();
sascha@1055:         String[]   ranges = dataString.split(":");
sascha@1055: 
sascha@1055:         for (String range: ranges) {
sascha@1055:             String[] parts = range.split(";");
sascha@1055: 
sascha@1055:             double lower = Double.parseDouble(parts[0]);
sascha@1055:             double upper = Double.parseDouble(parts[1]);
sascha@1055: 
sascha@1055:             if (lower <= dist[0] && upper >= dist[1]) {
sascha@1055:                 String[] values = parts[2].split(",");
sascha@1055: 
sascha@1055:                 int      num = values.length;
sascha@1055:                 double[] res = new double[num];
sascha@1055: 
sascha@1055:                 for (int i = 0; i < num; i++) {
sascha@1055:                     try {
sascha@1055:                         res[i] = Double.parseDouble(values[i]);
sascha@1055:                     }
sascha@1055:                     catch (NumberFormatException nfe) {
sascha@1055:                         logger.warn(nfe, nfe);
sascha@1055:                     }
sascha@1055:                 }
sascha@1055: 
sascha@1055:                 return res;
sascha@1055:             }
sascha@1055:         }
sascha@1055: 
sascha@1055:         logger.warn("Specified range for WQ not found!");
sascha@1055: 
sascha@1055:         return null;
sascha@1055:     }
sascha@1055: 
sascha@1055: 
sascha@1055:     /**
sascha@1055:      * This method returns an array of inserted WQ triples that consist of from,
sascha@1055:      * to and the step width.
sascha@1055:      *
sascha@1055:      * @return an array of from, to and step width.
sascha@1055:      */
sascha@1055:     protected double[] getWQTriple() {
sascha@1055:         StateData dFrom = getData("wq_from");
sascha@1055:         StateData dTo   = getData("wq_to");
sascha@1055: 
sascha@1055:         if (dFrom == null || dTo == null) {
sascha@1055:             logger.warn("Missing start or end value for range.");
sascha@1055:             return null;
sascha@1055:         }
sascha@1055: 
sascha@1055:         double from = Double.parseDouble((String) dFrom.getValue());
sascha@1055:         double to   = Double.parseDouble((String) dTo.getValue());
sascha@1055: 
sascha@1055:         StateData dStep = getData("wq_step");
sascha@1055: 
sascha@1055:         if (dStep == null) {
sascha@1055:             logger.warn("No step width given. Cannot compute Qs.");
sascha@1055:             return null;
sascha@1055:         }
sascha@1055: 
sascha@1055:         double step  = Double.parseDouble((String) dStep.getValue());
sascha@1055: 
sascha@1055:         // if no width is given, the DEFAULT_Q_STEPS is used to compute the step
sascha@1055:         // width. Maybe, we should round the value to a number of digits.
sascha@1055:         if (step == 0d) {
sascha@1055:             double diff = to - from;
sascha@1055:             step = diff / DEFAULT_Q_STEPS;
sascha@1055:         }
sascha@1055: 
sascha@1055:         return DoubleUtil.explode(from, to, step);
sascha@1055:     }
sascha@1055: 
sascha@1055: 
sascha@1055:     /**
sascha@1055:      * Returns an array of inserted WQ double values stored as whitespace
sascha@1055:      * separated list.
sascha@1055:      *
sascha@1055:      * @return an array of W or Q values.
sascha@1055:      */
sascha@1055:     protected double[] getSingleWQValues() {
sascha@1055:         StateData dSingle = getData("wq_single");
sascha@1055: 
sascha@1055:         if (dSingle == null) {
sascha@1055:             logger.warn("Cannot determine single WQ values. No data given.");
sascha@1055:             return null;
sascha@1055:         }
sascha@1055: 
sascha@1055:         String   tmp       = (String) dSingle.getValue();
sascha@1055:         String[] strValues = tmp.split(" ");
sascha@1055: 
sascha@1055:         TDoubleArrayList values = new TDoubleArrayList();
sascha@1055: 
sascha@1055:         for (String strValue: strValues) {
sascha@1055:             try {
sascha@1055:                 values.add(Double.parseDouble(strValue));
sascha@1055:             }
sascha@1055:             catch (NumberFormatException nfe) {
sascha@1055:                 logger.warn(nfe, nfe);
sascha@1055:             }
sascha@1055:         }
sascha@1055: 
sascha@1055:         values.sort();
sascha@1055: 
sascha@1055:         return values.toNativeArray();
sascha@1055:     }
ingo@105: }
ingo@105: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :