Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/StaticWKmsArtifact.java @ 4357:11cf29eb002c
FacetTypes: New type: exreme_wq_curve_base (for the Stuetz-Q-Poits).
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Fri, 02 Nov 2012 11:58:11 +0100 |
parents | 58864f4f6e3b |
children | 6153c50f78cf |
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package de.intevation.flys.artifacts; import de.intevation.artifactdatabase.state.DefaultOutput; import de.intevation.artifactdatabase.state.Facet; import de.intevation.artifactdatabase.state.FacetActivity; import de.intevation.artifactdatabase.state.State; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.ArtifactFactory; import de.intevation.artifacts.CallMeta; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.flys.artifacts.geom.Lines; import de.intevation.flys.artifacts.math.Distance; import de.intevation.flys.artifacts.math.Linear; import de.intevation.flys.artifacts.model.CrossSectionWaterLineFacet; import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.RelativePointFacet; import de.intevation.flys.artifacts.model.WKms; import de.intevation.flys.artifacts.model.WKmsFacet; import de.intevation.flys.artifacts.model.WKmsFactory; import de.intevation.flys.artifacts.resources.Resources; import de.intevation.flys.artifacts.states.StaticState; import de.intevation.flys.model.FastCrossSectionLine; import java.awt.geom.Point2D; import java.util.ArrayList; import java.util.List; import org.apache.log4j.Logger; import org.w3c.dom.Document; /** * Artifact to access additional "waterlevel"-type of data, like the height * of protective measures (dikes). * * This artifact neglects (Static)FLYSArtifacts capabilities of interaction * with the StateEngine by overriding the getState*-methods. */ public class StaticWKmsArtifact extends StaticFLYSArtifact implements FacetTypes, WaterLineArtifact { /** The logger for this class. */ private static Logger logger = Logger.getLogger(StaticWKmsArtifact.class); private static final String NAME = "staticwkms"; static { // TODO: Move to configuration. FacetActivity.Registry.getInstance() .register(NAME, FacetActivity.INACTIVE); } public static final String STATIC_STATE_NAME = "state.additional_wkms.static"; /** Data Item name to know whether we are Heighmarks and reveive * some data slightly different. */ public static final String DATA_HEIGHT_TYPE = "height_marks"; /** One and only state to be in. */ protected transient State state = null; /** * Trivial Constructor. */ public StaticWKmsArtifact() { logger.debug("StaticWKmsArtifact.StaticWKmsArtifact"); } @Override public String getName() { return NAME; } /** * Gets called from factory, to set things up. */ @Override public void setup( String identifier, ArtifactFactory factory, Object context, CallMeta callMeta, Document data) { logger.debug("StaticWKmsArtifact.setup"); state = new StaticState(STATIC_STATE_NAME); if (logger.isDebugEnabled()) { logger.debug(XMLUtils.toString(data)); } List<Facet> fs = new ArrayList<Facet>(); String code = getDatacageIDValue(data); // TODO Go for JSON, one day. //ex.: flood_protection-wstv-114-12 if (code != null) { String [] parts = code.split("-"); if (parts.length >= 4) { int col = -1; int wst = Integer.parseInt(parts[3]); if (!parts[2].equals("A")) { col = Integer.parseInt(parts[2]); } addStringData("col_pos", parts[2]); addStringData("wst_id", parts[3]); String wkmsName; if (col >= 0) { wkmsName = WKmsFactory.getWKmsName(col, wst); } else { wkmsName = WKmsFactory.getWKmsName(wst); } String name; if (parts[0].equals(HEIGHTMARKS_POINTS)) { name = HEIGHTMARKS_POINTS; addStringData(DATA_HEIGHT_TYPE, "true"); } else if (parts[0].equals("additionalsmarks")) { name = STATIC_WKMS_MARKS; } else { name = STATIC_WKMS; } String facetDescription = Resources.getMsg( callMeta, wkmsName, wkmsName); Facet wKmsFacet = new WKmsFacet( name, facetDescription); Facet csFacet = new CrossSectionWaterLineFacet(0, facetDescription); Facet rpFacet = new RelativePointFacet(facetDescription); fs.add(wKmsFacet); fs.add(csFacet); fs.add(rpFacet); facets.put(state.getID(), fs); } } spawnState(); super.setup(identifier, factory, context, callMeta, data); } /** * Initialize the static state with output. * @return static state */ protected State spawnState() { state = new StaticState(STATIC_STATE_NAME); List<Facet> fs = facets.get(STATIC_STATE_NAME); DefaultOutput output = new DefaultOutput( "general", "general", "image/png", fs, "chart"); state.getOutputs().add(output); return state; } /** * Called via setup. * * @param artifact The master-artifact. */ @Override protected void initialize( Artifact artifact, Object context, CallMeta meta) { logger.debug("StaticWKmsArtifact.initialize"); FLYSArtifact winfo = (FLYSArtifact) artifact; // TODO: The river is of no interest, so far. addData("river", winfo.getData("river")); } /** * Get a list containing the one and only State. * @param context ignored. * @return list with one and only state. */ @Override protected List<State> getStates(Object context) { ArrayList<State> states = new ArrayList<State>(); states.add(getState()); return states; } /** * Get the "current" state (there is but one). * @param cc ignored. * @return the "current" (only possible) state. */ @Override public State getCurrentState(Object cc) { return getState(); } /** * Get the only possible state. * @return the state. */ protected State getState() { return getState(null, null); } /** * Get the state. * @param context ignored. * @param stateID ignored. * @return the state. */ @Override protected State getState(Object context, String stateID) { return (state != null) ? state : spawnState(); } /** * Get WKms from factory. * @param idx param is not needed (TODO?) * @return WKms according to parameterization (can be null); */ public WKms getWKms(int idx) { logger.debug("StaticWKmsArtifact.getWKms"); return WKmsFactory.getWKms( Integer.parseInt(getDataAsString("col_pos")), Integer.parseInt(getDataAsString("wst_id"))); } /** * Returns W at Km of WKms, linearly interpolated. * Returns -1 if not found. */ public static double getWAtKmLin(WKms wkms, double km) { // Uninformed search. int size = wkms.size(); if (size == 0) { return -1; } int idx = 0; boolean kmIncreasing; if (size == 1) { kmIncreasing = true; } else { kmIncreasing = (wkms.getKm(0) < wkms.getKm(wkms.size()-1)) ? true : false; } if (kmIncreasing) { while (idx < size && wkms.getKm(idx) < km) { idx++; } } else { idx = wkms.size() -1; while (idx > 0 && wkms.getKm(idx) > km) { idx--; } } if (wkms.getKm(idx) == km) { return wkms.getW(idx); } if (idx == size -1 || idx == 0) { return -1; } // Do linear interpolation int mod = kmIncreasing ? -1 : +1; return Linear.linear(km, wkms.getKm(idx+mod), wkms.getKm(idx), wkms.getW(idx+mod), wkms.getW(idx)); } /** * Get the W at a specific km, only if it is closer to km than to any of * the other given km. * Return Double.NaN otherwise * * @param wkms WKms in which to search for a spatially close W value. * @param km the input km, which is compared to values from wkms. * @param next the next available input km (-1 if unavailable). * @param prev the previous available input km (-1 if unavailable). * * @return W in wkms that is closer to km than to next and prev, or Double.NaN. */ public double getWAtCloseKm(WKms wkms, double km, double next, double prev) { // TODO symbolic "-1" pr next/prev is a bad idea (tm), as we compare // distances to these values later. // TODO issue888 int size = wkms.size(); for (int i = 0; i < size; i++) { double wkmsKm = wkms.getKm(i); double dist = Distance.distance(wkmsKm, km); if (dist == 0d) { return wkms.getW(i); } // Problematic Cases: // X == km , | and | == prev and next, (?) == wkmsKm // // Standard case: // ----------|----X-----|------- // (1) (2) (3) (4) // // With prev==-1 // -1 ------X-------|------ // (5) (6) (7) // // With next==-1 // // ---|-----X----- -1 // (8) (9) (10) if (dist <= Distance.distance(wkmsKm, prev) && dist <= Distance.distance(wkmsKm, next)) { return wkms.getW(i); } } return Double.NaN; } /** * Returns W at Km of WKms, searching linearly. * Returns -1 if not found. * @param wkms the WKms object to search for given km. * @param km The searched km. * @return W at given km if in WKms, -1 if not found. */ public static double getWAtKm(WKms wkms, double km) { // Uninformed search, intolerant. double TOLERANCE = 0.0d; int size = wkms.size(); for (int i = 0; i < size; i++) { if (Distance.within(wkms.getKm(i), km, TOLERANCE)) { return wkms.getW(i); } } return -1; } /** * Get points of line describing the surface of water at cross section. * * @param idx Index of facet and in wkms array. * @param csl FastCrossSectionLine to compute water surface agains. * @param next The km of the next crosssectionline. * @param prev The km of the previous crosssectionline. * * @return an array holding coordinates of points of surface of water ( * in the form {{x1, x2}, {y1, y2}} ). */ @Override public Lines.LineData getWaterLines(int idx, FastCrossSectionLine csl, double next, double prev ) { logger.debug("getWaterLines(" + idx + ")/" + identifier()); List<Point2D> points = csl.getPoints(); WKms wkms = getWKms(0); double km = csl.getKm(); // Find W at km. double wAtKm; // If heightmarks, only deliver if data snaps. if (getDataAsString(DATA_HEIGHT_TYPE) != null && getDataAsString(DATA_HEIGHT_TYPE).equals("true")) { wAtKm = getWAtCloseKm(wkms, km, next, prev); } else { wAtKm = getWAtKm(wkms, km); } if (wAtKm == -1 || Double.isNaN(wAtKm)) { logger.warn("Waterlevel at km " + km + " unknown."); return new Lines.LineData(new double[][] {{}}, 0d, 0d); } return Lines.createWaterLines(points, wAtKm); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :