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Java > Open Source Codes > jcckit > plot > CoordinateSystem


1 /*
2  * Copyright 2003-2004, Franz-Josef Elmer, All rights reserved
3  *
4  * This library is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU Lesser General Public License as published by
6  * the Free Software Foundation; either version 2.1 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  * GNU Lesser General Public License for more details
13  * (http://www.gnu.org/copyleft/lesser.html).
14  *
15  * You should have received a copy of the GNU Lesser General Public License
16  * along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  */
19 package jcckit.plot;
20
21 import jcckit.graphic.GraphicalElement;
22 import jcckit.graphic.ClippingShape;
23 import jcckit.transformation.Transformation;
24
25 /**
26  * Interface for all generators of coordinate systems. A
27  * <tt>CoordinateSystem</tt> creates a
28  * {@link jcckit.graphic.GraphicalComposite} which contains all the
29  * {@link GraphicalElement GraphicalElements} defining axes, labels, grid, etc.
30  *
31  * @author Franz-Josef Elmer
32  */
33 public interface CoordinateSystem {
34   /**
35    * Returns the graphical representation of a coordinate
36    * system. Different invocations of this method may return
37    * different coordinate systems, e.g., due to changes in the
38    * transformation or clipping shapes.
39    */
40   public GraphicalElement getView();
41
42   /**
43    * Returns the clipping chape of {@link Curve Curves} drawn on top
44    * of the coordinates system. Different invocations of
45    * this method may return different clipping shapes.
46    */
47   public ClippingShape getClippingShape();
48
49   /**
50    * Returns the transformation between data coordinates and
51    * device-independent graphcial coordinates. Different invocations
52    * of this method may return different transformations.
53    */
54   public Transformation getTransformation();
55 }
56
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