Version 11.1, August 2010

[GpsPrune.git] / tim / prune / function / srtm / gen / GenerateTileLookup.java

diff --git a/tim/prune/function/srtm/gen/GenerateTileLookup.java b/tim/prune/function/srtm/gen/GenerateTileLookup.java
deleted file mode 100644 (file)
index d797b13..0000000
--- a/tim/prune/function/srtm/gen/GenerateTileLookup.java
+++ /dev/null
@@ -1,70 +0,0 @@
-package tim.prune.function.srtm.gen;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.FileReader;
-
-/**
- * Class used to generate a lookup file to find the URLs of SRTM tiles.
- * The tiles are split into directories for each continent, so we need some way
- * of going from coordinates to directories.
- * This class reads the directory listings from the files tiles1.txt, tiles2.txt etc
- * and combines the result into a binary array
- */
-public class GenerateTileLookup
-{
-
-       /**
-        * Main method for generating the array
-        * @param args ignored
-        */
-       public static void main(String[] args)
-       {
-               System.out.println("Generate tile lookup");
-               byte[] lookup = new byte[360 * 120]; // +/- 180 degrees longitude, +/- 60 degrees latitude
-               for (int f=1; f<= 6; f++)
-               {
-                       try
-                       {
-                               BufferedReader r = new BufferedReader(new FileReader(new File("tim/prune/function/srtm/gen/tiles" + f + ".txt")));
-                               String line = r.readLine();
-                               System.out.println("Read continent: '" + line + "'");
-                               while ((line = r.readLine()) != null) {
-                                       if (line.length() == 7)
-                                       {
-                                               boolean north = (line.charAt(0) == 'N');
-                                               int lat = Integer.parseInt(line.substring(1, 3));
-                                               if (!north) {lat = -lat;}
-                                               boolean east = (line.charAt(3) == 'E');
-                                               int lon = Integer.parseInt(line.substring(4));
-                                               if (!east) {lon = -lon;}
-                                               // Store in lookup
-                                               int arrindex = (lat+59)*360 + (lon+180);
-                                               lookup[arrindex] = (byte) f;
-                                       }
-                               }
-                       }
-                       catch (Exception e) {
-                               e.printStackTrace();
-                       }
-               }
-               // Now f should be populated
-               StringBuilder b = new StringBuilder();
-               for (int l=-180; l<180; l++) {
-                       int i = 59 * 360 + (l+180);
-                       b.append("" + lookup[i]);
-               }
-               System.out.println("equator: " + b.toString());
-
-               // Write bytes to file
-               try {
-                       FileOutputStream out = new FileOutputStream(new File("srtmtiles.dat"));
-                       out.write(lookup);
-                       out.close();
-               }
-               catch (Exception e) {
-                       e.printStackTrace();
-               }
-       }
-}