svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.compat.cdc / org.gvsig.fmap.geometry / org.gvsig.fmap.geometry.api / src / main / java / org / gvsig / fmap / geom / aggregate / Aggregate.java @ 40435
History | View | Annotate | Download (2.48 KB)
1 | 40435 | jjdelcerro | /* gvSIG. Geographic Information System of the Valencian Government
|
---|---|---|---|
2 | *
|
||
3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
|
||
4 | * of the Valencian Government (CIT)
|
||
5 | *
|
||
6 | * This program is free software; you can redistribute it and/or
|
||
7 | * modify it under the terms of the GNU General Public License
|
||
8 | * as published by the Free Software Foundation; either version 2
|
||
9 | * of the License, or (at your option) any later version.
|
||
10 | *
|
||
11 | * This program is distributed in the hope that it will be useful,
|
||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
14 | * GNU General Public License for more details.
|
||
15 | *
|
||
16 | * You should have received a copy of the GNU General Public License
|
||
17 | * along with this program; if not, write to the Free Software
|
||
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
||
19 | * MA 02110-1301, USA.
|
||
20 | *
|
||
21 | */
|
||
22 | |||
23 | /*
|
||
24 | * AUTHORS (In addition to CIT):
|
||
25 | * 2009 {Iver T.I.} {Task}
|
||
26 | */
|
||
27 | |||
28 | package org.gvsig.fmap.geom.aggregate; |
||
29 | |||
30 | import org.gvsig.fmap.geom.Geometry; |
||
31 | import org.gvsig.fmap.geom.primitive.Primitive; |
||
32 | |||
33 | /**
|
||
34 | * <p>
|
||
35 | * This interface is equivalent to the GM_Aggregate specified in
|
||
36 | * <a href="http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=26012">ISO 19107</a>.
|
||
37 | * The aggregates gather geometric objects. Since they will often use orientation
|
||
38 | * modification, the curve reference and surface references do not go directly to
|
||
39 | * the {@link Curve} and {@link Surface}, but are directed to {@link OrientableCurve}
|
||
40 | * and {@link OrientableSurface}.
|
||
41 | * </p>
|
||
42 | * <p>
|
||
43 | * Most geometric objects are contained in features, and cannot be held in
|
||
44 | * collections that are strong aggregations. For this reason, the collections
|
||
45 | * described on this package are all weak aggregations, and shall use
|
||
46 | * references to include geometric objects.
|
||
47 | * </p>
|
||
48 | * @see <a href="http://www.iso.org/iso/iso_catalogue/catalogue_tc/catalogue_detail.htm?csnumber=26012">ISO 19107</a>
|
||
49 | * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>
|
||
50 | */
|
||
51 | public interface Aggregate extends Geometry{ |
||
52 | |||
53 | /**
|
||
54 | * Returns the number of {@link Primitive}'s that composes
|
||
55 | * this multi geometry.
|
||
56 | * @return the number of {@link Primitive}'s that composes
|
||
57 | * this multi geometry.
|
||
58 | */
|
||
59 | public int getPrimitivesNumber(); |
||
60 | |||
61 | /**
|
||
62 | * Returns one of the {@link Primitive}'s that is in
|
||
63 | * a concrete position.
|
||
64 | * @param i
|
||
65 | * Geometry position.
|
||
66 | * @return
|
||
67 | * A simple geometry.
|
||
68 | */
|
||
69 | public Primitive getPrimitiveAt(int i); |
||
70 | |||
71 | } |