Package org.neo4j.gis.spatial

Examples of org.neo4j.gis.spatial.SpatialDatabaseRecord

55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
        Trkseg track = gpx.getTrk(0).getTrkseg(0);

        // Start a new transaction
        Transaction tx = graphDb.beginTx();
        // Contains the record that was added previously (in order to create a relation between the new and the previous node)
        SpatialDatabaseRecord fromrecord = null;

        // Iterate all points
        for (int i = 0; i < track.getTrkptCount(); i++) {

            // Create a new coordinate for this point
            Coordinate to = new Coordinate(track.getTrkpt(i).getLon().doubleValue(),track.getTrkpt(i).getLat().doubleValue());

            // Check whether we can find a node from which is located within a distance of 20 meters
            List<GeoPipeFlow> closests = GeoPipeline.startNearestNeighborLatLonSearch(runningLayer, to, 0.02).sort("OrthodromicDistance").getMin("OrthodromicDistance").toList();
            SpatialDatabaseRecord torecord = null;

            // If first time, we add all nodes. Otherwise, we check whether we find a node that is close enough to the current location
            if (!firsttime && (closests.size() == 1)) {
                // Retrieve the node
                System.out.println("Using existing: " + closests.get(0).getProperty("OrthodromicDistance"));
                torecord = closests.get(0).getRecord();
                // Recalculate average speed
                double previousspeed  =  (Double)torecord.getProperty("speed");
                int previousoccurences =  (Integer)torecord.getProperty("occurences");
                double currentspeed = analyzer.getHorizontalSpeed(track.getTrkpt(i).getTime());
                double denormalizespeed = previousspeed * previousoccurences;
                double newspeed = ((denormalizespeed + currentspeed) / (previousoccurences + 1));
                // Update the data accordingly
                torecord.setProperty("speed",newspeed);
                torecord.setProperty("occurences",previousoccurences+1);
            }
            else {
                // New node, add it
                torecord = runningLayer.add(runningLayer.getGeometryFactory().createPoint(to));
                // Set the data accordingly
                torecord.setProperty("speed", analyzer.getHorizontalSpeed(track.getTrkpt(i).getTime()));
                torecord.setProperty("occurences", 1);
            }

            // If a previous node is available (and they are not identical), add a directed relationship between both
            if (fromrecord != null && (!fromrecord.equals(torecord)))  {
                Relationship next = fromrecord.getGeomNode().createRelationshipTo(torecord.getGeomNode(), RelTypes.NEXT);
            }
            // Previous record is put on new record
            fromrecord = torecord;
        }

View Full Code Here
88
89
90
91
92
93
94
95
96
    private boolean queryIndexNode(Envelope indexNodeEnvelope) {
        return filterEnvelope == null || filterEnvelope.intersects(indexNodeEnvelope);
    }

  private boolean queryLeafNode(Node indexNode) {
    SpatialDatabaseRecord dbRecord = new SpatialDatabaseRecord(layer, indexNode);
    SimpleFeature feature = builder.buildFeature(dbRecord);
    return filter.evaluate(feature);
  }
View Full Code Here
51
52
53
54
55
56
57
58
59
60
61
62
        double x = 10.0 + Math.random() * 10.0;
        double y = 10.0 + Math.random() * 10.0;
        String name = "Fake Geometry " + i;
        // System.out.println("Creating point '" + name +
        // "' at location x:" + x + " y:" + y);
        SpatialDatabaseRecord record = layer.add(x, y);
        record.getGeomNode().setProperty("name", name);
      }
      tx.success();
      tx.close();
      System.out.println("Finished writing " + records + " point records to database");
    } catch (Exception e) {
View Full Code Here
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
   *
   */
  public SimpleFeature next() throws IOException, IllegalArgumentException, NoSuchElementException {
    if (results == null) return null;
   
    SpatialDatabaseRecord record = results.next();
    if (record == null) return null;
   
    builder.reset();
      builder.set(FEATURE_PROP_GEOM, record.getGeometry());
         
      if (extraPropertyNames != null) {
        for (int i = 0; i < extraPropertyNames.length; i++) {
          if (record.hasProperty(extraPropertyNames[i])) {
            builder.set(extraPropertyNames[i], record.getProperty(extraPropertyNames[i]));
            }
        }
      }
         
      return builder.buildFeature(record.getId());           
  }
View Full Code Here
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
  @Override
  protected Node underlyingObjectToObject(GeoPipeFlow current) {
        this.current = current;

        SpatialDatabaseRecord record = current.getRecord();
        // It looks to be possible to have SpatialDatabaseRecords without any
    // associated 'real' node. If this is the case is it OK to just return
    // null or should we return the geomNode
   
    Object idString = record.getProperty("id");
    Node result = null;
   
    if(idString != null){
      result = spatialDatabase.getDatabase().getNodeById(Long.valueOf(idString.toString()));
    }
View Full Code Here
48
49
50
51
52
53
54
    return nodeIterator.hasNext();
  }

  @Override
  public SpatialDatabaseRecord next() {
    return new SpatialDatabaseRecord(layer, nodeIterator.next());
  }
View Full Code Here
65
66
67
68
69
70
71
72
        return filterEnvelope == null || filterEnvelope.intersects(envelope);
  }

  @Override
  public boolean geometryMatches(Node geomNode) {
    SimpleFeature feature = featureBuilder.buildFeature(new SpatialDatabaseRecord(this.layer, geomNode));
    return filter.evaluate(feature);
  }
View Full Code Here
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
        // check if node already exists in layer
        Node matchingNode = findExistingNode( geometry );

        if (matchingNode == null)
        {
          SpatialDatabaseRecord newNode = layer.add(
                decodeGeometry, new String[] { "id" },
                new Object[] { geometry.getId() } );

    // index geomNode with node of geometry
    idLookup.add(newNode.getGeomNode(), "id", geometry.getId());
  }
        else
        {
          // update existing geoNode
          layer.update(matchingNode.getId(), decodeGeometry);     
View Full Code Here
TOP

Related Classes of org.neo4j.gis.spatial.SpatialDatabaseRecord

  • be.datablend.spatial.running.ImportData
  • org.geotools.data.neo4j.Neo4jSpatialFeatureReader
  • org.neo4j.gis.spatial.attributes.PropertyMapper
  • org.neo4j.gis.spatial.filter.SearchCQL
  • org.neo4j.gis.spatial.filter.SearchRecords
  • org.neo4j.gis.spatial.indexfilter.CQLIndexReader
  • org.neo4j.gis.spatial.indexprovider.GeoPipeFlowHits
  • org.neo4j.gis.spatial.indexprovider.LayerNodeIndex
  • org.neo4j.gis.spatial.pipes.GeoPipesPerformanceTest
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.