コード例 #1
0
 /**
  * Constructs a feature cursor
  *
  * @param oids
  *      Object IDs of features over which to iterate
  * @param store
  *      Feature store from which to read the Feature data
  * @param search_extent
  *      Search extent that was used to generate the list of OIDs in this
  *      cursor - this is used to refine the list of Features actually
  *      returned from the cursor
  * @param match_exactly
  *      True to only return Feature instances that "exactly" match the
  *      original search criteria. When querying a FeatureStore by spatial
  *      extent (GeoExtent), the store will actually return a FeatureCursor
  *      corresponding to all features whose bounding extents intersect the
  *      search extent; i.e. it does not test down to the shape level. Passing
  *      true to this parameter will perform shape-level intersection testing
  *      when using this cursor.
  */
 public FeatureCursor(
     FeatureOIDList _oids,
     FeatureStore _store,
     GeoExtent _search_extent,
     bool _match_exactly)
 {
     oids          = _oids;
     store         = _store;
     search_extent = _search_extent;
     match_exactly = _match_exactly;
     prefetch_size = DEFAULT_PREFETCH_SIZE;
     at_bof        = false;
     reset();
 }
コード例 #2
0
 /**
  * Constructs a feature cursor
  *
  * @param oids
  *      Object IDs of features over which to iterate
  * @param store
  *      Feature store from which to read the Feature data
  * @param search_extent
  *      Search extent that was used to generate the list of OIDs in this
  *      cursor - this is used to refine the list of Features actually
  *      returned from the cursor
  * @param match_exactly
  *      True to only return Feature instances that "exactly" match the
  *      original search criteria. When querying a FeatureStore by spatial
  *      extent (GeoExtent), the store will actually return a FeatureCursor
  *      corresponding to all features whose bounding extents intersect the
  *      search extent; i.e. it does not test down to the shape level. Passing
  *      true to this parameter will perform shape-level intersection testing
  *      when using this cursor.
  */
 public FeatureCursor(
     FeatureOIDList _oids,
     FeatureStore _store,
     GeoExtent _search_extent,
     bool _match_exactly)
 {
     oids = _oids;
     store = _store;
     search_extent = _search_extent;
     match_exactly = _match_exactly;
     prefetch_size = DEFAULT_PREFETCH_SIZE;
     at_bof = false;
     reset();
 }
コード例 #3
0
        public FeatureCursor getCursor(GeoExtent query_extent, bool match_exactly)
        {
            FeatureOIDList oids = new FeatureOIDList();
            for (FeatureCursor cursor = store.getCursor(); cursor.hasNext(); )
            {
                Feature  feature = cursor.next();
                  GeoExtent f_extent = feature.getExtent();
                if (f_extent.intersects(query_extent))
                {
                    oids.Add(feature.getOID());
                }
            }

            return new FeatureCursor(oids, store , query_extent, match_exactly);
        }
コード例 #4
0
        public FeatureCursor getCursor(GeoExtent query_extent, bool match_exactly)
        {
            FeatureOIDList oids = new FeatureOIDList();

            for (FeatureCursor cursor = store.getCursor(); cursor.hasNext();)
            {
                Feature   feature  = cursor.next();
                GeoExtent f_extent = feature.getExtent();
                if (f_extent.intersects(query_extent))
                {
                    oids.Add(feature.getOID());
                }
            }

            return(new FeatureCursor(oids, store, query_extent, match_exactly));
        }