001/* 002 * This file is part of McIDAS-V 003 * 004 * Copyright 2007-2015 005 * Space Science and Engineering Center (SSEC) 006 * University of Wisconsin - Madison 007 * 1225 W. Dayton Street, Madison, WI 53706, USA 008 * https://www.ssec.wisc.edu/mcidas 009 * 010 * All Rights Reserved 011 * 012 * McIDAS-V is built on Unidata's IDV and SSEC's VisAD libraries, and 013 * some McIDAS-V source code is based on IDV and VisAD source code. 014 * 015 * McIDAS-V is free software; you can redistribute it and/or modify 016 * it under the terms of the GNU Lesser Public License as published by 017 * the Free Software Foundation; either version 3 of the License, or 018 * (at your option) any later version. 019 * 020 * McIDAS-V is distributed in the hope that it will be useful, 021 * but WITHOUT ANY WARRANTY; without even the implied warranty of 022 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 023 * GNU Lesser Public License for more details. 024 * 025 * You should have received a copy of the GNU Lesser Public License 026 * along with this program. If not, see http://www.gnu.org/licenses. 027 */ 028 029package edu.wisc.ssec.mcidasv.data; 030 031 032import java.awt.Image; 033import java.awt.Toolkit; 034import java.awt.geom.Rectangle2D; 035import java.awt.image.BufferedImage; 036import java.io.BufferedReader; 037import java.io.InputStream; 038import java.io.InputStreamReader; 039import java.rmi.RemoteException; 040import java.util.ArrayList; 041import java.util.HashMap; 042import java.util.Hashtable; 043import java.util.List; 044 045import edu.wisc.ssec.mcidasv.control.LambertAEA; 046 047import ucar.unidata.data.BadDataException; 048import ucar.unidata.data.CompositeDataChoice; 049import ucar.unidata.data.DataCategory; 050import ucar.unidata.data.DataChoice; 051import ucar.unidata.data.DataSelection; 052import ucar.unidata.data.DataSourceDescriptor; 053import ucar.unidata.data.DirectDataChoice; 054import ucar.unidata.data.grid.GridUtil; 055import ucar.unidata.data.imagery.ImageInfo; 056import ucar.unidata.util.IOUtil; 057import ucar.unidata.util.Misc; 058import visad.Data; 059import visad.FlatField; 060import visad.FunctionType; 061import visad.Gridded2DSet; 062import visad.Gridded3DSet; 063import visad.Linear2DSet; 064import visad.RealTupleType; 065import visad.RealType; 066import visad.SampledSet; 067import visad.Unit; 068import visad.VisADException; 069import visad.georef.MapProjection; 070import visad.util.ImageHelper; 071 072 073/** 074 * This is an implementation that will read in a generic data file 075 * and return a single Data choice that is a VisAD Data object. 076 */ 077public class FlatFileDataSource extends ucar.unidata.data.FilesDataSource { 078 079 /** 080 * Parameterless ctor 081 */ 082 public FlatFileDataSource() {} 083 084 085 /** 086 * Just pass through to the base class the ctor arguments. 087 * @param descriptor Describes this data source, has a label etc. 088 * @param filename This is the filename (or url) that 089 * points to the actual data source. 090 * @param properties General properties used in the base class 091 * 092 * idv * @throws VisADException problem getting the data 093 */ 094 public FlatFileDataSource(DataSourceDescriptor descriptor, 095 String filename, Hashtable properties) 096 throws VisADException { 097 super(descriptor, filename, "Image flat file data source", properties); 098 System.out.println("FlatFileDataSource.descriptor: " + descriptor.toString()); 099 System.out.println("FlatFileDataSource.filename: " + filename); 100 System.out.println("FlatFileDataSource.properties: " + properties.toString()); 101 } 102 103 /** 104 * This method is called at initialization time and should create 105 * a set of {@link ucar.unidata.data.DirectDataChoice}-s and add them 106 * into the base class managed list of DataChoice-s with the method 107 * addDataChoice. 108 */ 109 protected void doMakeDataChoices() { 110 String xmlFile = getFilePath(); 111 List bandsDefault = new ArrayList(); 112 bandsDefault.add("Band 1"); 113 String name = getProperty("FLAT.NAME", "Unknown name"); 114 List bandNames = (List)getProperty("FLAT.BANDNAMES", bandsDefault); 115 List bandFiles = (List)getProperty("FLAT.BANDFILES", bandsDefault); 116 117 int lines = getProperty("FLAT.LINES", (int)0); 118 int elements = getProperty("FLAT.ELEMENTS", (int)0); 119 String unit = getProperty("FLAT.UNIT", ""); 120 int stride = getProperty("FLAT.STRIDE", (int)1); 121 122 if (bandNames.size() == bandFiles.size()) { 123 for (int i=0; i<bandNames.size(); i++) { 124 System.out.println(bandNames.get(i) + ": " + bandFiles.get(i)); 125 } 126 } 127 else { 128 System.err.println("bandNames: " + bandNames.toString()); 129 System.err.println("bandFiles: " + bandFiles.toString()); 130 System.err.println("Huh... bandNames (" + bandNames.size() + ") and bandFiles (" + bandFiles.size() + ") should be the same size"); 131 } 132 133 Hashtable imageProps = Misc.newHashtable(DataChoice.PROP_ICON, "/auxdata/ui/icons/Earth16.gif"); 134 135 // Navigation 136 String navType = getProperty("NAV.TYPE", "UNKNOWN"); 137 double ulLat = 0; 138 double ulLon = 0; 139 double lrLat = 0; 140 double lrLon = 0; 141 String latFile = null; 142 String lonFile = null; 143 if (navType == "FILES") { 144 latFile = getProperty("FILE.LAT", ""); 145 lonFile = getProperty("FILE.LON", ""); 146 } 147 else if (navType == "BOUNDS") { 148 ulLat = getProperty("BOUNDS.ULLAT", (double)0); 149 ulLon = getProperty("BOUNDS.ULLON", (double)0); 150 lrLat = getProperty("BOUNDS.LRLAT", (double)0); 151 lrLon = getProperty("BOUNDS.LRLON", (double)0); 152 } 153 else { 154 System.err.println("FlatFileDataSource: Unknown navType: " + navType); 155 } 156 int scale = getProperty("NAV.SCALE", (int)1); 157 boolean eastPositive = getProperty("NAV.EASTPOS", false); 158 159 // Format 160 String formatType = getProperty("FORMAT.TYPE", "UNKNOWN"); 161 if (formatType == "BINARY") { 162 int format = getProperty("BINARY.FORMAT", HeaderInfo.kFormat1ByteUInt); 163 String interleave = getProperty("BINARY.INTERLEAVE", HeaderInfo.kInterleaveSequential); 164 boolean bigEndian = getProperty("BINARY.BIGENDIAN", false); 165 int offset = getProperty("BINARY.OFFSET", 0); 166 167 List categories = DataCategory.parseCategories("IMAGE", false); 168 CompositeDataChoice cdc = new CompositeDataChoice(this, "", name, name, null); 169 for (int i=0; i<bandFiles.size(); i++) { 170 FlatFileReader dataChoiceData = new FlatFileReader((String)bandFiles.get(i), lines, elements); 171 dataChoiceData.setBinaryInfo(format, interleave, bigEndian, offset, i+1, bandFiles.size()); 172 dataChoiceData.setUnit(unit); 173 dataChoiceData.setEastPositive(eastPositive); 174 dataChoiceData.setStride(stride); 175 if (latFile != null && lonFile != null) { 176 dataChoiceData.setNavFiles(latFile, lonFile, scale); 177 } 178 else { 179 dataChoiceData.setNavBounds(ulLat, ulLon, lrLat, lrLon); 180 } 181 String bandName = (String)bandNames.get(i); 182 DirectDataChoice ddc = new DirectDataChoice(this, dataChoiceData, bandName, bandName, categories, imageProps); 183 cdc.addDataChoice(ddc); 184 } 185 addDataChoice(cdc); 186 System.err.println("Still working on binary data..."); 187 } 188 else if (formatType == "ASCII") { 189 String delimiter = getProperty("ASCII.DELIMITER", ""); 190 191 List categories = DataCategory.parseCategories("IMAGE", false); 192 CompositeDataChoice cdc = new CompositeDataChoice(this, "", name, name, null); 193 for (int i=0; i<bandFiles.size(); i++) { 194 FlatFileReader dataChoiceData = new FlatFileReader((String)bandFiles.get(i), lines, elements); 195 dataChoiceData.setAsciiInfo(delimiter, 1); 196 dataChoiceData.setUnit(unit); 197 dataChoiceData.setEastPositive(eastPositive); 198 dataChoiceData.setStride(stride); 199 if (latFile != null && lonFile != null) { 200 dataChoiceData.setNavFiles(latFile, lonFile, scale); 201 } 202 else { 203 dataChoiceData.setNavBounds(ulLat, ulLon, lrLat, lrLon); 204 } 205 String bandName = (String)bandNames.get(i); 206 DirectDataChoice ddc = new DirectDataChoice(this, dataChoiceData, bandName, bandName, categories, imageProps); 207 cdc.addDataChoice(ddc); 208 } 209 addDataChoice(cdc); 210 System.err.println("Still working on ascii data..."); 211 } 212 else if (formatType == "IMAGE") { 213 List categories = DataCategory.parseCategories("RGBIMAGE", false); 214 FlatFileReader dataChoiceData = new FlatFileReader((String)bandFiles.get(0), lines, elements); 215 dataChoiceData.setImageInfo(); 216 dataChoiceData.setUnit(unit); 217 dataChoiceData.setEastPositive(eastPositive); 218 dataChoiceData.setStride(stride); 219 if (latFile != null && lonFile != null) { 220 dataChoiceData.setNavFiles(latFile, lonFile, scale); 221 } 222 else { 223 dataChoiceData.setNavBounds(ulLat, ulLon, lrLat, lrLon); 224 } 225 String bandName = (String)bandNames.get(0); 226 DirectDataChoice ddc = new DirectDataChoice(this, dataChoiceData, bandName, bandName, categories, imageProps); 227 addDataChoice(ddc); 228 } 229 else { 230 System.err.println("FlatFileDataSource: Unknown formatType: " + formatType); 231 } 232 } 233 234 /** 235 * This method should create and return the visad.Data that is 236 * identified by the given {@link ucar.unidata.data.DataChoice}. 237 * 238 * @param dataChoice This is one of the DataChoice-s that was created 239 * in the doMakeDataChoices call above. 240 * @param category The specific {@link ucar.unidata.data.DataCategory} 241 * which the {@link ucar.unidata.idv.DisplayControl} 242 * was instantiated with. Usually can be ignored. 243 * @param dataSelection This may contain a list of times which 244 * subsets the request. 245 * @param requestProperties extra request properties 246 * @return The {@link visad.Data} object represented by the given dataChoice 247 * 248 * @throws RemoteException Java RMI problem 249 * @throws VisADException VisAD problem 250 */ 251 protected Data getDataInner(DataChoice dataChoice, DataCategory category, 252 DataSelection dataSelection, 253 Hashtable requestProperties) 254 throws VisADException, RemoteException { 255 FlatFileReader stuff = (FlatFileReader) dataChoice.getId(); 256 return stuff.getData(); 257 } 258 259} 260