Example #1
0
  /**
   * @param dbfFile A DBF file
   * @return A list of attribute names in the DBF file
   */
  public static List<String> getAttributeNames(File dbfFile) throws IOException {
    FileInputStream fis = new FileInputStream(dbfFile);
    DbaseFileReader dbfReader =
        new DbaseFileReader(fis.getChannel(), false, Charset.forName("ISO-8859-1"));

    // contains the header columns
    DbaseFileHeader dbfHeader = dbfReader.getHeader();

    // get the names from the header
    List<String> names = new Vector<String>();
    int n = dbfHeader.getNumFields();
    for (int i = 0; i < n; i++) names.add(dbfHeader.getFieldName(i));

    return names;
  }
Example #2
0
  /**
   * @param dbfFile A DBF file
   * @return A list of attribute names in the DBF file
   */
  public static Object[][] getDBFData(File dbfFile) throws IOException {
    FileInputStream fis = new FileInputStream(dbfFile);
    DbaseFileReader dbfReader =
        new DbaseFileReader(fis.getChannel(), false, Charset.forName("ISO-8859-1"));

    // contains the header columns
    DbaseFileHeader dbfHeader = dbfReader.getHeader();

    List<Object[]> rowsList = new Vector<Object[]>();

    while (dbfReader.hasNext()) {
      rowsList.add(dbfReader.readEntry());
    }

    int numOfCol = dbfHeader.getNumFields();

    Object[][] dataRows = new Object[rowsList.size()][numOfCol];

    for (int i = 0; i < rowsList.size(); i++) {
      dataRows[i] = rowsList.get(i);
    }

    return dataRows;
  }
  private void run2(final Network network) throws Exception {
    log.info("running " + this.getClass().getName() + " module...");
    NetworkExpandNode neModule =
        new NetworkExpandNode(network, expansionRadius, this.linkSeparation);

    TreeMap<String, TreeMap<Integer, Id<Link>>> mSequences = new TreeMap<>();

    try (FileInputStream fis = new FileInputStream(this.mpDbfFileName)) {
      DbaseFileReader r =
          new DbaseFileReader(fis.getChannel(), true, IOUtils.CHARSET_WINDOWS_ISO88591);
      // get header indices
      int mpIdNameIndex = -1;
      int mpSeqNrNameIndex = -1;
      int mpTrpelIDNameIndex = -1;
      for (int i = 0; i < r.getHeader().getNumFields(); i++) {
        if (r.getHeader().getFieldName(i).equals(MP_ID_NAME)) {
          mpIdNameIndex = i;
        }
        if (r.getHeader().getFieldName(i).equals(MP_SEQNR_NAME)) {
          mpSeqNrNameIndex = i;
        }
        if (r.getHeader().getFieldName(i).equals(MP_TRPELID_NAME)) {
          mpTrpelIDNameIndex = i;
        }
      }
      if (mpIdNameIndex < 0) {
        throw new NoSuchFieldException("Field name '" + MP_ID_NAME + "' not found.");
      }
      if (mpSeqNrNameIndex < 0) {
        throw new NoSuchFieldException("Field name '" + MP_SEQNR_NAME + "' not found.");
      }
      if (mpTrpelIDNameIndex < 0) {
        throw new NoSuchFieldException("Field name '" + MP_TRPELID_NAME + "' not found.");
      }
      log.trace("  FieldName-->Index:");
      log.trace("    " + MP_ID_NAME + "-->" + mpIdNameIndex);
      log.trace("    " + MP_SEQNR_NAME + "-->" + mpSeqNrNameIndex);
      log.trace("    " + MP_TRPELID_NAME + "-->" + mpTrpelIDNameIndex);

      // create mp data structure
      // TreeMap<mpId,TreeMap<mpSeqNr,linkId>>
      log.info("  parsing meneuver paths dbf file...");
      while (r.hasNext()) {
        Object[] entries = r.readEntry();
        String mpId = entries[mpIdNameIndex].toString();
        int mpSeqNr = Integer.parseInt(entries[mpSeqNrNameIndex].toString());
        Id<Link> linkId = Id.create(entries[mpTrpelIDNameIndex].toString(), Link.class);
        TreeMap<Integer, Id<Link>> mSequence = mSequences.get(mpId);
        if (mSequence == null) {
          mSequence = new TreeMap<>();
          mSequences.put(mpId, mSequence);
        }
        if (mSequence.put(mpSeqNr, linkId) != null) {
          fis.close();
          throw new IllegalArgumentException(
              MP_ID_NAME + "=" + mpId + ": " + MP_SEQNR_NAME + " " + mpSeqNr + " already exists.");
        }
      }
      log.info("    " + mSequences.size() + " maneuvers sequences stored.");
      log.info("  done.");
      r.close();
    }

    // store the maneuver list of the nodes
    // TreeMap<NodeId,ArrayList<Tuple<MnId,MnFeatType>>>
    log.info("  parsing meneuver shape file...");
    TreeMap<Id<Node>, ArrayList<Tuple<String, Integer>>> maneuvers = new TreeMap<>();
    SimpleFeatureSource fs = ShapeFileReader.readDataFile(this.mnShpFileName);
    SimpleFeatureIterator fIt = fs.getFeatures().features();
    while (fIt.hasNext()) {
      SimpleFeature f = fIt.next();
      int featType = Integer.parseInt(f.getAttribute(MN_FEATTYP_NAME).toString());
      if ((featType == 2103) || (featType == 2102) || (featType == 2101)) {
        // keep 'Prohibited Maneuver' (2103), 'Restricted Maneuver' (2102) and 'Calculated/Derived
        // Prohibited Maneuver' (2101)
        Id<Node> nodeId = Id.create(f.getAttribute(MN_JNCTID_NAME).toString(), Node.class);
        ArrayList<Tuple<String, Integer>> ms = maneuvers.get(nodeId);
        if (ms == null) {
          ms = new ArrayList<>();
        }
        Tuple<String, Integer> m = new Tuple<>(f.getAttribute(MN_ID_NAME).toString(), featType);
        ms.add(m);
        maneuvers.put(nodeId, ms);
      } else if ((featType == 9401) || (featType == 2104)) {
        // ignore 'Bifurcation' (9401) and 'Priority Maneuver' (2104)
      } else {
        throw new IllegalArgumentException(
            "mnId="
                + f.getAttribute(MN_ID_NAME)
                + ": "
                + MN_FEATTYP_NAME
                + "="
                + featType
                + " not known.");
      }
    }
    fIt.close();
    log.info("    " + maneuvers.size() + " nodes with maneuvers stored.");
    log.info("  done.");

    // create a maneuver matrix for each given node and
    // expand those nodes
    log.info("  expand nodes according to the given manveuvers...");
    int nodesIgnoredCnt = 0;
    int nodesAssignedCnt = 0;
    int maneuverIgnoredCnt = 0;
    int maneuverAssignedCnt = 0;
    int virtualNodesCnt = 0;
    int virtualLinksCnt = 0;
    for (Map.Entry<Id<Node>, ArrayList<Tuple<String, Integer>>> entry : maneuvers.entrySet()) {
      Id<Node> nodeId = entry.getKey();
      if (network.getNodes().get(nodeId) == null) {
        log.trace(
            "  nodeid="
                + nodeId
                + ": maneuvers exist for that node but node is missing. Ignoring and proceeding anyway...");
        nodesIgnoredCnt++;
      } else {
        // node found
        Node n = network.getNodes().get(nodeId);
        // init maneuver matrix
        // TreeMap<fromLinkId,TreeMap<toLinkId,turnAllowed>>
        TreeMap<Id<Link>, TreeMap<Id<Link>, Boolean>> mmatrix = new TreeMap<>();
        // assign maneuvers for given node to the matrix
        ArrayList<Tuple<String, Integer>> ms = entry.getValue();
        for (Tuple<String, Integer> m : ms) {
          // get maneuver path sequence for given maneuver
          TreeMap<Integer, Id<Link>> mSequence = mSequences.get(m.getFirst());
          if (mSequence == null) {
            throw new Exception(
                "nodeid=" + nodeId + "; mnId=" + m.getFirst() + ": no maneuver sequence given.");
          }
          if (mSequence.size() < 2) {
            throw new Exception(
                "nodeid="
                    + nodeId
                    + "; mnId="
                    + m.getFirst()
                    + ": mSequenceSize="
                    + mSequence.size()
                    + " not alowed!");
          }
          // get the first element of the sequence, defining the start link for the maneuver
          Id<Link> firstLinkid = mSequence.values().iterator().next();
          // go through each other element (target link of the maneuver) of the sequence by sequence
          // number
          for (Id<Link> otherLinkId : mSequence.values()) {
            // get the start link and the target link of the maneuver
            Link inLink = n.getInLinks().get(Id.create(firstLinkid + "FT", Link.class));
            if (inLink == null) {
              inLink = n.getInLinks().get(Id.create(firstLinkid + "TF", Link.class));
            }
            Link outLink = n.getOutLinks().get(Id.create(otherLinkId + "FT", Link.class));
            if (outLink == null) {
              outLink = n.getOutLinks().get(Id.create(otherLinkId + "TF", Link.class));
            }
            if ((inLink != null) && (outLink != null)) {
              // start and target link found and they are incident to the given node
              if (m.getSecond() == 2102) {
                // restricted maneuver: given start and target link path is allowed to drive
                // store it to the matrix
                TreeMap<Id<Link>, Boolean> outLinkMap = mmatrix.get(inLink.getId());
                if (outLinkMap == null) {
                  outLinkMap = new TreeMap<>();
                }
                outLinkMap.put(outLink.getId(), Boolean.TRUE);
                mmatrix.put(inLink.getId(), outLinkMap);
              } else {
                // prohibited maneuver: given start and target link path is not allowed to drive
                // store it to the matrix
                TreeMap<Id<Link>, Boolean> outLinkMap = mmatrix.get(inLink.getId());
                if (outLinkMap == null) {
                  outLinkMap = new TreeMap<>();
                }
                outLinkMap.put(outLink.getId(), Boolean.FALSE);
                mmatrix.put(inLink.getId(), outLinkMap);
              }
              maneuverAssignedCnt++;
            } else {
              maneuverIgnoredCnt++;
            }
          }
        }
        // complete the matrix
        for (TreeMap<Id<Link>, Boolean> fromLinkEntry : mmatrix.values()) {
          // detect inlinks with restricted maneuvers
          boolean hasRestrictedManeuver = false;
          for (Boolean b : fromLinkEntry.values()) {
            if (b) {
              hasRestrictedManeuver = true;
            }
          }
          // add missing toLink maneuvers
          for (Id<Link> toLinkId : n.getOutLinks().keySet()) {
            if (!fromLinkEntry.containsKey(toLinkId)) {
              fromLinkEntry.put(toLinkId, !hasRestrictedManeuver);
            }
          }
        }
        // add allowed maneuvers for fromLinks which were not assigned yet.
        for (Id<Link> fromLinkId : n.getInLinks().keySet()) {
          if (!mmatrix.containsKey(fromLinkId)) {
            mmatrix.put(fromLinkId, new TreeMap<Id<Link>, Boolean>());
            for (Id<Link> toLinkId : n.getOutLinks().keySet()) {
              mmatrix.get(fromLinkId).put(toLinkId, Boolean.TRUE);
            }
          }
        }
        // remove all U-turns from the matrix
        if (this.removeUTurns) {
          for (Id<Link> fromLinkId : n.getInLinks().keySet()) {
            String str1 = fromLinkId.toString().substring(0, fromLinkId.toString().length() - 2);
            for (Id<Link> toLinkId : n.getOutLinks().keySet()) {
              String str2 = toLinkId.toString().substring(0, toLinkId.toString().length() - 2);
              if (str1.equals(str2)) {
                mmatrix.get(fromLinkId).put(toLinkId, Boolean.FALSE);
              }
            }
          }
        }
        // create arraylist with turn tuples
        ArrayList<TurnInfo> turns = new ArrayList<>();
        for (Map.Entry<Id<Link>, TreeMap<Id<Link>, Boolean>> fromLinkEntry : mmatrix.entrySet()) {
          Id<Link> fromLinkId = fromLinkEntry.getKey();
          for (Map.Entry<Id<Link>, Boolean> toLinkEntry : fromLinkEntry.getValue().entrySet()) {
            if (toLinkEntry.getValue()) {
              turns.add(new TurnInfo(fromLinkId, toLinkEntry.getKey()));
            }
          }
        }
        // expand the node
        Tuple<List<Node>, List<Link>> t = neModule.expandNode(nodeId, turns);
        virtualNodesCnt += t.getFirst().size();
        virtualLinksCnt += t.getSecond().size();
        nodesAssignedCnt++;
      }
    }
    log.info("    " + nodesAssignedCnt + " nodes expanded.");
    log.info("    " + maneuverAssignedCnt + " maneuvers assigned.");
    log.info("    " + virtualNodesCnt + " new nodes created.");
    log.info("    " + virtualLinksCnt + " new links created.");
    log.info(
        "    " + nodesIgnoredCnt + " nodes with given maneuvers (2103, 2102 or 2101) ignored.");
    log.info("    " + maneuverIgnoredCnt + " maneuvers ignored (while node was found).");
    log.info("  done.");
    log.info("done.");
  }