Changeset 32906 in osm for applications/editors/josm/plugins/seachart/jrender/src/jrender/Jrender.java
- Timestamp:
- 2016-09-03T16:18:15+02:00 (8 years ago)
- File:
-
- 1 edited
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- Unmodified
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applications/editors/josm/plugins/seachart/jrender/src/jrender/Jrender.java
r32393 r32906 34 34 public class Jrender { 35 35 36 37 38 39 40 41 42 43 44 45 36 static String srcdir; 37 static String dstdir; 38 static int xtile; 39 static int ytile; 40 static int zoom; 41 static ArrayList<String> send; 42 static HashMap<String, Boolean> deletes; 43 static Context context; 44 static S57map map; 45 static int empty; 46 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 47 static class Context implements ChartContext { 48 49 static double top; 50 static double mile; 51 52 public Context () { 53 top = (1.0 - Math.log(Math.tan(map.bounds.maxlat) + 1.0 / Math.cos(map.bounds.maxlat)) / Math.PI) / 2.0 * 256.0 * 4096.0 * Math.pow(2, (zoom - 12)); 54 mile = (2 * ((zoom < 12) ? (256 / (int)(Math.pow(2, (11 - zoom)))) : 256) + 256) / ((Math.toDegrees(map.bounds.maxlat) - Math.toDegrees(map.bounds.minlat)) * 60); 55 } 56 57 public Point2D getPoint(Snode coord) { 58 double x = (Math.toDegrees(coord.lon) - Math.toDegrees(map.bounds.minlon)) * 256.0 * 2048.0 * Math.pow(2, (zoom - 12)) / 180.0; 59 double y = ((1.0 - Math.log(Math.tan(coord.lat) + 1.0 / Math.cos(coord.lat)) / Math.PI) / 2.0 * 256.0 * 4096.0 * Math.pow(2, (zoom - 12))) - top; 60 return new Point2D.Double(x, y); 61 } 62 62 63 64 65 63 public double mile(Feature feature) { 64 return mile; 65 } 66 66 67 68 69 67 public boolean clip() { 68 return false; 69 } 70 70 71 72 73 71 public Color background(S57map map) { 72 return new Color(0, true); 73 } 74 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 75 public RuleSet ruleset() { 76 return RuleSet.SEAMARK; 77 } 78 } 79 80 static void tile(int z, int s, int xn, int yn) throws IOException { 81 int border = (z < 12) ? (256 / (int)(Math.pow(2, (11 - zoom)))) : 256; 82 int scale = (int)Math.pow(2, z - 12); 83 int xdir = (scale > 0) ? (scale * xtile) + xn : xtile; 84 int ynam = (scale > 0) ? (scale * ytile) + yn : ytile; 85 BufferedImage img = new BufferedImage(256, 256, BufferedImage.TYPE_INT_ARGB); 86 Graphics2D g2 = img.createGraphics(); 87 g2.scale(s, s); 88 g2.translate(-(border + (xn * 256 / s)), -(border + (yn * 256 / s))); 89 Renderer.reRender(g2, new Rectangle(256, 256), z, 1.0 * Math.pow(2, (zoom - 12)), map, context); 90 ByteArrayOutputStream bos = new ByteArrayOutputStream(); 91 ImageIO.write(img, "png", bos); 92 if (bos.size() > empty) { 93 String dstnam = dstdir + z + "/" + xdir + "/" + ynam + ".png"; 94 deletes.remove(dstnam); 95 send.add("put " + dstnam + " tiles/" + z + "/" + xdir + "/" + ynam + ".png"); 96 File ofile = new File(dstdir + "/" + z + "/" + xdir + "/"); 97 ofile.mkdirs(); 98 FileOutputStream fos = new FileOutputStream(dstdir + "/" + z + "/" + xdir + "/" + ynam + ".png"); 99 bos.writeTo(fos); 100 fos.close(); 101 if (send.size() > 20) { 102 PrintWriter writer = new PrintWriter(srcdir + z + "-" + xdir + "-" + ynam + ".send", "UTF-8"); 103 for (String str : send) { 104 writer.println(str); 105 } 106 writer.close(); 107 send = new ArrayList<>(); 108 } 109 } 110 if ((z >= 12) && (z < 18) && ((z < 16) || (bos.size() > empty))) { 111 for (int x = 0; x < 2; x++) { 112 for (int y = 0; y < 2; y++) { 113 tile((z + 1), (s * 2), (xn * 2 + x), (yn * 2 + y)); 114 } 115 } 116 } 117 } 118 119 static void clean(int z, int xn, int yn) throws Exception { 120 int scale = (int) Math.pow(2, z - 12); 121 int xdir = (scale * xtile) + xn; 122 int ynam = (scale * ytile) + yn; 123 String delnam = dstdir + z + "/" + xdir + "/" + ynam + ".png"; 124 File delfile = new File(delnam); 125 if (delfile.exists()) { 126 deletes.put(delnam, true); 127 delfile.delete(); 128 } 129 if ((z < 18)) { 130 for (int x = 0; x < 2; x++) { 131 for (int y = 0; y < 2; y++) { 132 clean((z + 1), (xn * 2 + x), (yn * 2 + y)); 133 } 134 } 135 } 136 } 137 138 public static void main(String[] args) throws Exception { 139 if (args.length < 5) { 140 System.err.println("Usage: java -jar jrender.jar <osm source directory> <tile directory> <zoom> <xtile> <ytile>"); 141 System.exit(-1); 142 } 143 srcdir = args[0]; 144 dstdir = args[1]; 145 zoom = Integer.parseInt(args[2]); 146 xtile = Integer.parseInt(args[3]); 147 ytile = Integer.parseInt(args[4]); 148 send = new ArrayList<>(); 149 deletes = new HashMap<>(); 150 BufferedReader in = new BufferedReader(new FileReader(srcdir + xtile + "-" + ytile + "-" + zoom + ".osm")); 151 map = new S57map(true); 152 S57osm.OSMmap(in, map, false); 153 in.close(); 154 context = new Context(); 155 ByteArrayOutputStream bos = new ByteArrayOutputStream(); 156 ImageIO.write(new BufferedImage(256, 256, BufferedImage.TYPE_INT_ARGB), "png", bos); 157 empty = bos.size(); 158 if (zoom == 12) { 159 clean(12, 0, 0); 160 } 161 tile(zoom, 1, 0, 0); 162 if (send.size() > 0) { 163 PrintWriter writer = new PrintWriter(srcdir + zoom + "-" + xtile + "-" + ytile + ".send", "UTF-8"); 164 for (String str : send) { 165 writer.println(str); 166 } 167 writer.close(); 168 } 169 if (deletes.size() > 0) { 170 PrintWriter writer = new PrintWriter(srcdir + zoom + "-" + xtile + "-" + ytile + ".delete", "UTF-8"); 171 for (String del : deletes.keySet()) { 172 writer.println("rm " + del); 173 } 174 writer.close(); 175 } 176 System.exit(0); 177 } 178 178 }
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