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 / buffer / RasterBand.java @ 5462
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1 | 2443 | nbrodin | /* gvSIG. Geographic Information System of the Valencian Government
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2 | *
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3 | * Copyright (C) 2007-2008 Infrastructures and Transports Department
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4 | * of the Valencian Government (CIT)
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5 | *
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6 | * This program is free software; you can redistribute it and/or
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7 | * modify it under the terms of the GNU General Public License
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8 | * as published by the Free Software Foundation; either version 2
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9 | * of the License, or (at your option) any later version.
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10 | *
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11 | * This program is distributed in the hope that it will be useful,
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 | * GNU General Public License for more details.
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15 | *
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16 | * You should have received a copy of the GNU General Public License
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17 | * along with this program; if not, write to the Free Software
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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19 | * MA 02110-1301, USA.
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20 | *
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21 | */
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22 | package org.gvsig.raster.impl.buffer; |
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23 | |||
24 | import org.gvsig.fmap.dal.coverage.datastruct.Band; |
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25 | |||
26 | |||
27 | |||
28 | public abstract class RasterBand implements Band { |
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29 | public double noDataValue = -99999; |
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30 | protected int width; |
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31 | protected int height; |
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32 | protected int dataType; |
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33 | |||
34 | /**
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35 | * Constructor a llamar desde las clases hijas
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36 | * @param width
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37 | * @param height
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38 | */
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39 | public RasterBand(int height, int width){ |
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40 | this.width = width;
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41 | this.height = height;
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42 | } |
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43 | |||
44 | public int getWidth() { |
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45 | return width;
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46 | } |
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47 | |||
48 | public int getHeight() { |
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49 | return height;
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50 | } |
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51 | |||
52 | public int getDataType() { |
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53 | return dataType;
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54 | } |
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55 | |||
56 | |||
57 | public void setDataType(int dataType) { |
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58 | this.dataType = dataType;
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59 | } |
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60 | |||
61 | /**
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62 | * Obtiene el tama?o del tipo de dato en bytes
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63 | * @return Tipo de dato
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64 | */
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65 | public int getDataSize() { |
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66 | if (dataType == TYPE_BYTE) {
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67 | return 1; |
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68 | } else if ((dataType == TYPE_SHORT) | (dataType == TYPE_USHORT)) { |
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69 | return 2; |
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70 | } else if (dataType == TYPE_INT) { |
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71 | return 4; |
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72 | }else if (dataType == TYPE_FLOAT) { |
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73 | return 8; |
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74 | }else if (dataType == TYPE_DOUBLE) { |
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75 | return 16; |
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76 | } |
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77 | |||
78 | return 0; |
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79 | } |
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80 | |||
81 | /**
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82 | * Obtiene el tama?o del buffer
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83 | * @return tama?o del buffer
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84 | */
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85 | public int sizeof() { |
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86 | return getDataSize() * width * height;
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87 | } |
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88 | |||
89 | } |