62 lines
2.1 KiB
Java
62 lines
2.1 KiB
Java
import java.io.*;
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public class ReadSizes
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{
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private static int[] tileSizes = new int[72*36];
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protected static String baseNameForTile( int tileIndex )
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{
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int lon = (tileIndex % 72 ) * 5 - 180;
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int lat = (tileIndex / 72 ) * 5 - 90;
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String slon = lon < 0 ? "W" + (-lon) : "E" + lon;
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String slat = lat < 0 ? "S" + (-lat) : "N" + lat;
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return slon + "_" + slat;
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}
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private static int tileForBaseName( String basename )
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{
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String uname = basename.toUpperCase();
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int idx = uname.indexOf( "_" );
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if ( idx < 0 ) return -1;
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String slon = uname.substring( 0, idx );
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String slat = uname.substring( idx+1 );
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int ilon = slon.charAt(0) == 'W' ? -Integer.valueOf( slon.substring(1) ) :
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( slon.charAt(0) == 'E' ? Integer.valueOf( slon.substring(1) ) : -1 );
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int ilat = slat.charAt(0) == 'S' ? -Integer.valueOf( slat.substring(1) ) :
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( slat.charAt(0) == 'N' ? Integer.valueOf( slat.substring(1) ) : -1 );
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if ( ilon < -180 || ilon >= 180 || ilon % 5 != 0 ) return -1;
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if ( ilat < - 90 || ilat >= 90 || ilat % 5 != 0 ) return -1;
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return (ilon+180) / 5 + 72*((ilat+90)/5);
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}
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private static void scanExistingFiles( File dir )
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{
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String[] fileNames = dir.list();
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if ( fileNames == null ) return;
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String suffix = ".rd5";
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for( String fileName : fileNames )
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{
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if ( fileName.endsWith( suffix ) )
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{
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String basename = fileName.substring( 0, fileName.length() - suffix.length() );
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int tidx = tileForBaseName( basename );
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tileSizes[tidx] = (int)new File( dir, fileName ).length();
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}
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}
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}
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public static void main(String[] args)
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{
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scanExistingFiles( new File( args[0] ) );
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StringBuilder sb = new StringBuilder();
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for( int tidx=0; tidx < tileSizes.length; tidx++ )
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{
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if ( ( tidx % 12 ) == 0 ) sb.append( "\n " );
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sb.append( tileSizes[tidx] ).append(',');
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}
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System.out.println( sb );
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}
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}
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