gvsig-raster / org.gvsig.raster / trunk / org.gvsig.raster / org.gvsig.raster.lib / org.gvsig.raster.lib.impl / src / main / java / org / gvsig / raster / impl / provider / TiledRasterProvider.java @ 1356
History | View | Annotate | Download (3.45 KB)
1 |
/* 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 |
package org.gvsig.raster.impl.provider; |
23 |
|
24 |
import java.awt.geom.Point2D; |
25 |
|
26 |
import org.gvsig.fmap.dal.coverage.datastruct.Extent; |
27 |
import org.gvsig.fmap.dal.exception.InitializeException; |
28 |
import org.gvsig.raster.cache.tile.Tile; |
29 |
import org.gvsig.raster.cache.tile.exception.TileGettingException; |
30 |
import org.gvsig.raster.impl.buffer.DefaultRasterQuery; |
31 |
|
32 |
/**
|
33 |
* Interface that should be implemented by tiled providers
|
34 |
* @author Nacho Brodin (nachobrodin@gmail.com)
|
35 |
*
|
36 |
*/
|
37 |
public interface TiledRasterProvider { |
38 |
/**
|
39 |
* Calculates the extent of a zoom level using other extent as a reference. The new extent is
|
40 |
* calculated with the same coordinate at the center.
|
41 |
* @param level
|
42 |
* @param extent
|
43 |
* @param w
|
44 |
* @param h
|
45 |
* @return
|
46 |
*/
|
47 |
public Extent getCoordsInTheNearestLevel(Extent extent, int w, int h); |
48 |
|
49 |
/**
|
50 |
* Calculates the extent of a zoom level using a center.
|
51 |
* @param viewCenter
|
52 |
* @param level
|
53 |
* @param w
|
54 |
* @param h
|
55 |
* @return
|
56 |
*/
|
57 |
public Extent getCoordsInLevel(Point2D viewCenter, int level, int w, int h); |
58 |
|
59 |
/**
|
60 |
* Gets the number of zoom levels
|
61 |
* @return
|
62 |
*/
|
63 |
public int getZoomLevels(); |
64 |
|
65 |
/**
|
66 |
* Gets the nearest level to the selected pixel size
|
67 |
* @param pixelSize
|
68 |
* @return
|
69 |
*/
|
70 |
public int getNearestLevel(double pixelSize); |
71 |
|
72 |
/**
|
73 |
* Gets a tile
|
74 |
* @param level
|
75 |
* Resolution level
|
76 |
* @param tileCol
|
77 |
* Tile column in the resolution level
|
78 |
* @param tileRow
|
79 |
* Tile row in the resolution level
|
80 |
* @param bbox
|
81 |
* Bounding box of the tile
|
82 |
* @return
|
83 |
* @throws TileGettingException
|
84 |
*/
|
85 |
public Tile getTile(DefaultRasterQuery q) throws TileGettingException; |
86 |
|
87 |
/**
|
88 |
* Gets a tile
|
89 |
* @param level
|
90 |
* Resolution level
|
91 |
* @param tileCol
|
92 |
* Tile column in the resolution level
|
93 |
* @param tileRow
|
94 |
* Tile row in the resolution level
|
95 |
* @param bbox
|
96 |
* Bounding box of the tile
|
97 |
* @return
|
98 |
* @throws TileGettingException
|
99 |
*/
|
100 |
//public Tile getTile(int level, int tileCol, int tileRow, Extent ex, CacheStruct cacheStruct) throws TileGettingException;
|
101 |
|
102 |
/**
|
103 |
* Sets the tile cache data server. This is the server assigned by the client.
|
104 |
* It will force to build a second level cache if the CacheStruct is not the same
|
105 |
* as the owner.
|
106 |
* @param tileServer
|
107 |
*/
|
108 |
public void setTileServer(Class<?> tileServer) throws InitializeException; |
109 |
|
110 |
/**
|
111 |
* Returns the tile size in pixels if this providers have tiles
|
112 |
* @return
|
113 |
*/
|
114 |
public int[] getTileSize(int level); |
115 |
|
116 |
/**
|
117 |
* Gets the internal provider used to feed the TileProvider
|
118 |
* @return
|
119 |
*/
|
120 |
public RasterProvider getInternalProvider();
|
121 |
} |