Exemplo n.º 1
0
  public void initialize(IInstance i) throws ThinklabException {

    Properties p = new Properties();
    p.putAll(Geospace.get().getProperties());
    IValue server = i.get("geospace:hasServiceUrl");
    if (server != null) p.put(WCSCoverage.WCS_SERVICE_PROPERTY, server.toString());
    IValue format = i.get("geospace:hasImageFormat");
    if (format != null) p.put(WCSCoverage.WCS_FORMAT_PROPERTY, format.toString());

    for (IRelationship r : i.getRelationships("geospace:hasNodataValue")) {
      IValue nodata = r.getValue();
      if (nodata != null) {
        String s = p.getProperty(AbstractRasterCoverage.NODATA_PROPERTY, "");
        if (s.length() > 0) s += ",";
        s += nodata.toString();
        p.put(AbstractRasterCoverage.NODATA_PROPERTY, nodata.toString());
      }
    }

    IValue transf = i.get(Geospace.HAS_TRANSFORMATION_EXPRESSION);
    if (transf != null) {
      this.transformation = new MVELExpression(transf.toString());
    }
    String rid = i.get("geospace:hasCoverageId").toString();

    Geospace.get().logger().info("reading WCS source " + server + "#" + rid);

    this.coverage = new WCSCoverage(rid, p);
  }
Exemplo n.º 2
0
  @Override
  public void initialize(IInstance i) throws ThinklabException {

    super.initialize(i);

    /*
     * these should be in already through reflection, but let's keep
     * the OWL way supported just in case.
     */
    for (IRelationship r : i.getRelationships("modeltypes:hasClassifier")) {
      String[] rz = r.getValue().toString().split("->");
      Pair<GeneralClassifier, IConcept> cls =
          new Pair<GeneralClassifier, IConcept>(
              new GeneralClassifier(rz[1]), KnowledgeManager.get().requireConcept(rz[0]));
      classifiers.add(cls);
    }

    /*
     * we have no guarantee that the universal classifier, if there,
     * will be last, given that it may come from an OWL multiproperty where
     * the orderding isn't guaranteed.
     *
     * scan the classifiers and if we have a universal classifier make sure
     * it's the last one, to avoid problems.
     */
    int unidx = -1;
    int iz = 0;
    for (Pair<GeneralClassifier, IConcept> cls : classifiers) {
      if (cls.getFirst().isUniversal()) {
        unidx = iz;
      }
      iz++;
    }

    if (unidx >= 0 && unidx < classifiers.size() - 1) {
      ArrayList<Pair<GeneralClassifier, IConcept>> nc =
          new ArrayList<Pair<GeneralClassifier, IConcept>>();
      for (iz = 0; iz < classifiers.size(); iz++) {
        if (iz != unidx) nc.add(classifiers.get(iz));
      }
      nc.add(classifiers.get(unidx));
      classifiers = nc;
    }

    /*
     * check if we have a nil classifier; if we don't we don't bother classifying
     * nulls and save some work.
     */
    this.hasNilClassifier = false;
    for (Pair<GeneralClassifier, IConcept> cl : classifiers) {
      if (cl.getFirst().isNil()) {
        this.hasNilClassifier = true;
        break;
      }
    }

    IValue def = i.get(CoreScience.HAS_CONCEPTUAL_SPACE);
    if (def != null) cSpace = def.getConcept();

    def = i.get("modeltypes:encodesContinuousDistribution");
    if (def != null) continuousDistribution = MiscUtilities.parseDoubleVector(def.toString());

    // TODO remove?
    if (continuousDistribution != null
        && getDataSource() != null
        && (getDataSource() instanceof IState))
      ((IState) getDataSource())
          .getMetadata()
          .put(Metadata.CONTINUOS_DISTRIBUTION_BREAKPOINTS, continuousDistribution);

    if (continuousDistribution != null)
      metadata.put(Metadata.CONTINUOS_DISTRIBUTION_BREAKPOINTS, continuousDistribution);

    if (classifiers != null) {

      metadata.put(Metadata.CLASSIFIERS, classifiers);

      IConcept[] rnk = null;
      /*
       * remap the values to ranks and determine how to rewire the input
       * if necessary, use classifiers instead of lexicographic order to
       * infer the appropriate concept order
       */
      ArrayList<GeneralClassifier> cla = new ArrayList<GeneralClassifier>();
      ArrayList<IConcept> con = new ArrayList<IConcept>();
      for (Pair<GeneralClassifier, IConcept> op : classifiers) {
        cla.add(op.getFirst());
        con.add(op.getSecond());
      }

      Pair<double[], IConcept[]> pd = Metadata.computeDistributionBreakpoints(cSpace, cla, con);
      if (pd != null) {
        if (pd.getSecond()[0] != null) {
          rnk = pd.getSecond();
        }
      }

      HashMap<IConcept, Integer> ranks = null;
      if (rnk == null) {
        ranks = Metadata.rankConcepts(cSpace, metadata);
      } else {
        ranks = Metadata.rankConcepts(cSpace, rnk, metadata);
      }
    }
  }