54 lines
1.8 KiB
Java
54 lines
1.8 KiB
Java
import java.io.*;
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public class ReadSizes {
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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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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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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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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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if (fileName.endsWith(suffix)) {
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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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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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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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