src/vikwmscmapsource.c

   1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
   2 /*
   3  * viking
   4  * Copyright (C) 2010, Guilhem Bonnefille <guilhem.bonnefille@gmail.com>
   5  *
   6  * viking is free software: you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation, either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * viking is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  14  * See the GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20  /**
  21   * SECTION:vikwmscmapsource
  22   * @short_description: the class for WMS/WMS-C oriented map sources
  23   *
  24   * The #VikWmscMapSource class handles WMS/WMS-C oriented map sources.
  25   *
  26   * http://wiki.osgeo.org/wiki/WMS_Tile_Caching
  27   */
  28
  29 #ifdef HAVE_CONFIG_H
  30 #include "config.h"
  31 #endif
  32
  33 #ifdef HAVE_MATH_H
  34 #include <math.h>
  35 #endif
  36
  37 #include "globals.h"
  38 #include "vikwmscmapsource.h"
  39 #include "maputils.h"
  40
  41 static gboolean _coord_to_mapcoord ( VikMapSource *self, const VikCoord *src, gdouble xzoom, gdouble yzoom, MapCoord *dest );
  42 static void _mapcoord_to_center_coord ( VikMapSource *self, MapCoord *src, VikCoord *dest );
  43 static gboolean _supports_download_only_new ( VikMapSource *self );
  44 static gboolean _is_direct_file_access ( VikMapSource *self );
  45 static gboolean _is_mbtiles ( VikMapSource *self );
  46 static gboolean _is_osm_meta_tiles (VikMapSource *self );
  47 static guint8 _get_zoom_min(VikMapSource *self );
  48 static guint8 _get_zoom_max(VikMapSource *self );
  49 static gdouble _get_lat_min(VikMapSource *self );
  50 static gdouble _get_lat_max(VikMapSource *self );
  51 static gdouble _get_lon_min(VikMapSource *self );
  52 static gdouble _get_lon_max(VikMapSource *self );
  53
  54 static gchar *_get_uri( VikMapSourceDefault *self, MapCoord *src );
  55 static gchar *_get_hostname( VikMapSourceDefault *self );
  56 static DownloadFileOptions *_get_download_options( VikMapSourceDefault *self );
  57
  58 typedef struct _VikWmscMapSourcePrivate VikWmscMapSourcePrivate;
  59 struct _VikWmscMapSourcePrivate
  60 {
  61   gchar *hostname;
  62   gchar *url;
  63   DownloadFileOptions options;
  64   guint zoom_min; // TMS Zoom level: 0 = Whole World // http://wiki.openstreetmap.org/wiki/Slippy_map_tilenames
  65   guint zoom_max; // TMS Zoom level: Often 18 for zoomed in.
  66   gdouble lat_min; // Degrees
  67   gdouble lat_max; // Degrees
  68   gdouble lon_min; // Degrees
  69   gdouble lon_max; // Degrees
  70 };
  71
  72 #define VIK_WMSC_MAP_SOURCE_PRIVATE(o)  (G_TYPE_INSTANCE_GET_PRIVATE ((o), VIK_TYPE_WMSC_MAP_SOURCE, VikWmscMapSourcePrivate))
  73
  74 /* properties */
  75 enum
  76 {
  77   PROP_0,
  78
  79   PROP_HOSTNAME,
  80   PROP_URL,
  81   PROP_REFERER,
  82   PROP_FOLLOW_LOCATION,
  83   PROP_CHECK_FILE_SERVER_TIME,
  84   PROP_ZOOM_MIN,
  85   PROP_ZOOM_MAX,
  86   PROP_LAT_MIN,
  87   PROP_LAT_MAX,
  88   PROP_LON_MIN,
  89   PROP_LON_MAX,
  90 };
  91
  92 G_DEFINE_TYPE (VikWmscMapSource, vik_wmsc_map_source, VIK_TYPE_MAP_SOURCE_DEFAULT);
  93
  94 static void
  95 vik_wmsc_map_source_init (VikWmscMapSource *self)
  96 {
  97   /* initialize the object here */
  98   VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE (self);
  99
 100   priv->hostname = NULL;
 101   priv->url = NULL;
 102   priv->options.referer = NULL;
 103   priv->options.follow_location = 0;
 104   priv->options.check_file = a_check_map_file;
 105   priv->options.check_file_server_time = FALSE;
 106   priv->zoom_min = 0;
 107   priv->zoom_max = 18;
 108   priv->lat_min = -90.0;
 109   priv->lat_max = 90.0;
 110   priv->lon_min = -180.0;
 111   priv->lon_max = 180.0;
 112
 113   g_object_set (G_OBJECT (self),
 114                 "tilesize-x", 256,
 115                 "tilesize-y", 256,
 116                 "drawmode", VIK_VIEWPORT_DRAWMODE_LATLON,
 117                 NULL);
 118 }
 119
 120 static void
 121 vik_wmsc_map_source_finalize (GObject *object)
 122 {
 123   VikWmscMapSource *self = VIK_WMSC_MAP_SOURCE (object);
 124   VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE (self);
 125
 126   g_free (priv->hostname);
 127   priv->hostname = NULL;
 128   g_free (priv->url);
 129   priv->url = NULL;
 130   g_free (priv->options.referer);
 131   priv->options.referer = NULL;
 132
 133   G_OBJECT_CLASS (vik_wmsc_map_source_parent_class)->finalize (object);
 134 }
 135
 136 static void
 137 vik_wmsc_map_source_set_property (GObject      *object,
 138                                     guint         property_id,
 139                                     const GValue *value,
 140                                     GParamSpec   *pspec)
 141 {
 142   VikWmscMapSource *self = VIK_WMSC_MAP_SOURCE (object);
 143   VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE (self);
 144
 145   switch (property_id)
 146     {
 147     case PROP_HOSTNAME:
 148       g_free (priv->hostname);
 149       priv->hostname = g_value_dup_string (value);
 150       break;
 151
 152     case PROP_URL:
 153       g_free (priv->url);
 154       priv->url = g_value_dup_string (value);
 155       break;
 156
 157     case PROP_REFERER:
 158       g_free (priv->options.referer);
 159       priv->options.referer = g_value_dup_string (value);
 160       break;
 161
 162     case PROP_FOLLOW_LOCATION:
 163       priv->options.follow_location = g_value_get_long (value);
 164       break;
 165
 166     case PROP_CHECK_FILE_SERVER_TIME:
 167       priv->options.check_file_server_time = g_value_get_boolean (value);
 168       break;
 169
 170     case PROP_ZOOM_MIN:
 171       priv->zoom_min = g_value_get_uint (value);
 172       break;
 173
 174     case PROP_ZOOM_MAX:
 175       priv->zoom_max = g_value_get_uint (value);
 176       break;
 177
 178     case PROP_LAT_MIN:
 179       priv->lat_min = g_value_get_double (value);
 180       break;
 181
 182     case PROP_LAT_MAX:
 183       priv->lat_max = g_value_get_double (value);
 184       break;
 185
 186     case PROP_LON_MIN:
 187       priv->lon_min = g_value_get_double (value);
 188       break;
 189
 190     case PROP_LON_MAX:
 191       priv->lon_max = g_value_get_double (value);
 192       break;
 193
 194     default:
 195       /* We don't have any other property... */
 196       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
 197       break;
 198     }
 199 }
 200
 201 static void
 202 vik_wmsc_map_source_get_property (GObject    *object,
 203                                     guint       property_id,
 204                                     GValue     *value,
 205                                     GParamSpec *pspec)
 206 {
 207   VikWmscMapSource *self = VIK_WMSC_MAP_SOURCE (object);
 208   VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE (self);
 209
 210   switch (property_id)
 211     {
 212     case PROP_HOSTNAME:
 213       g_value_set_string (value, priv->hostname);
 214       break;
 215
 216     case PROP_URL:
 217       g_value_set_string (value, priv->url);
 218       break;
 219
 220     case PROP_REFERER:
 221       g_value_set_string (value, priv->options.referer);
 222       break;
 223
 224     case PROP_FOLLOW_LOCATION:
 225       g_value_set_long (value, priv->options.follow_location);
 226       break;
 227
 228     case PROP_CHECK_FILE_SERVER_TIME:
 229       g_value_set_boolean (value, priv->options.check_file_server_time);
 230       break;
 231
 232     case PROP_ZOOM_MIN:
 233       g_value_set_uint (value, priv->zoom_min);
 234       break;
 235
 236     case PROP_ZOOM_MAX:
 237       g_value_set_uint (value, priv->zoom_max);
 238       break;
 239
 240     case PROP_LON_MIN:
 241       g_value_set_double (value, priv->lon_min);
 242       break;
 243
 244     case PROP_LON_MAX:
 245       g_value_set_double (value, priv->lon_max);
 246       break;
 247
 248     case PROP_LAT_MIN:
 249       g_value_set_double (value, priv->lat_min);
 250       break;
 251
 252     case PROP_LAT_MAX:
 253       g_value_set_double (value, priv->lat_max);
 254       break;
 255
 256     default:
 257       /* We don't have any other property... */
 258       G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
 259       break;
 260     }
 261 }
 262
 263 static void
 264 vik_wmsc_map_source_class_init (VikWmscMapSourceClass *klass)
 265 {
 266         GObjectClass* object_class = G_OBJECT_CLASS (klass);
 267         VikMapSourceClass* grandparent_class = VIK_MAP_SOURCE_CLASS (klass);
 268         VikMapSourceDefaultClass* parent_class = VIK_MAP_SOURCE_DEFAULT_CLASS (klass);
 269         GParamSpec *pspec = NULL;
 270
 271         object_class->set_property = vik_wmsc_map_source_set_property;
 272     object_class->get_property = vik_wmsc_map_source_get_property;
 273
 274         /* Overiding methods */
 275         grandparent_class->coord_to_mapcoord =        _coord_to_mapcoord;
 276         grandparent_class->mapcoord_to_center_coord = _mapcoord_to_center_coord;
 277         grandparent_class->supports_download_only_new = _supports_download_only_new;
 278         grandparent_class->is_direct_file_access = _is_direct_file_access;
 279         grandparent_class->is_mbtiles = _is_mbtiles;
 280         grandparent_class->is_osm_meta_tiles = _is_osm_meta_tiles;
 281         grandparent_class->get_zoom_min = _get_zoom_min;
 282         grandparent_class->get_zoom_max = _get_zoom_max;
 283         grandparent_class->get_lat_min = _get_lat_min;
 284         grandparent_class->get_lat_max = _get_lat_max;
 285         grandparent_class->get_lon_min = _get_lon_min;
 286         grandparent_class->get_lon_max = _get_lon_max;
 287
 288         parent_class->get_uri = _get_uri;
 289         parent_class->get_hostname = _get_hostname;
 290         parent_class->get_download_options = _get_download_options;
 291
 292         pspec = g_param_spec_string ("hostname",
 293                                      "Hostname",
 294                                      "The hostname of the map server",
 295                                      "<no-set>" /* default value */,
 296                                      G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
 297         g_object_class_install_property (object_class, PROP_HOSTNAME, pspec);
 298
 299         pspec = g_param_spec_string ("url",
 300                                      "URL",
 301                                      "The template of the tiles' URL",
 302                                      "<no-set>" /* default value */,
 303                                      G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
 304         g_object_class_install_property (object_class, PROP_URL, pspec);
 305
 306         pspec = g_param_spec_string ("referer",
 307                                      "Referer",
 308                                      "The REFERER string to use in HTTP request",
 309                                      NULL /* default value */,
 310                                      G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
 311         g_object_class_install_property (object_class, PROP_REFERER, pspec);
 312
 313         pspec = g_param_spec_long ("follow-location",
 314                                    "Follow location",
 315                                "Specifies the number of retries to follow a redirect while downloading a page",
 316                                0  /* minimum value */,
 317                                G_MAXLONG /* maximum value */,
 318                                0  /* default value */,
 319                                G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
 320         g_object_class_install_property (object_class, PROP_FOLLOW_LOCATION, pspec);
 321
 322         pspec = g_param_spec_boolean ("check-file-server-time",
 323                                       "Check file server time",
 324                                   "Age of current cache before redownloading tile",
 325                                   FALSE  /* default value */,
 326                                   G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
 327         g_object_class_install_property (object_class, PROP_CHECK_FILE_SERVER_TIME, pspec);
 328
 329         pspec = g_param_spec_uint ("zoom-min",
 330                                    "Minimum zoom",
 331                                    "Minimum Zoom level supported by the map provider",
 332                                    0,  // minimum value,
 333                                    22, // maximum value
 334                                    0, // default value
 335                                    G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
 336         g_object_class_install_property (object_class, PROP_ZOOM_MIN, pspec);
 337
 338         pspec = g_param_spec_uint ("zoom-max",
 339                                    "Maximum zoom",
 340                                    "Maximum Zoom level supported by the map provider",
 341                                    0,  // minimum value,
 342                                    22, // maximum value
 343                                    18, // default value
 344                                    G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
 345         g_object_class_install_property (object_class, PROP_ZOOM_MAX, pspec);
 346
 347         pspec = g_param_spec_double ("lat-min",
 348                                      "Minimum latitude",
 349                                      "Minimum latitude in degrees supported by the map provider",
 350                                      -90.0,  // minimum value
 351                                      90.0, // maximum value
 352                                      -90.0, // default value
 353                                      G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
 354         g_object_class_install_property (object_class, PROP_LAT_MIN, pspec);
 355
 356         pspec = g_param_spec_double ("lat-max",
 357                                      "Maximum latitude",
 358                                      "Maximum latitude in degrees supported by the map provider",
 359                                      -90.0,  // minimum value
 360                                      90.0, // maximum value
 361                                      90.0, // default value
 362                                      G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
 363         g_object_class_install_property (object_class, PROP_LAT_MAX, pspec);
 364
 365         pspec = g_param_spec_double ("lon-min",
 366                                      "Minimum longitude",
 367                                      "Minimum longitude in degrees supported by the map provider",
 368                                      -180.0,  // minimum value
 369                                      180.0, // maximum value
 370                                      -180.0, // default value
 371                                      G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
 372         g_object_class_install_property (object_class, PROP_LON_MIN, pspec);
 373
 374         pspec = g_param_spec_double ("lon-max",
 375                                      "Maximum longitude",
 376                                      "Maximum longitude in degrees supported by the map provider",
 377                                      -180.0,  // minimum value
 378                                      180.0, // maximum value
 379                                      180.0, // default value
 380                                      G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE);
 381         g_object_class_install_property (object_class, PROP_LON_MAX, pspec);
 382
 383         g_type_class_add_private (klass, sizeof (VikWmscMapSourcePrivate));
 384
 385         object_class->finalize = vik_wmsc_map_source_finalize;
 386 }
 387
 388 static gboolean
 389 _supports_download_only_new ( VikMapSource *self )
 390 {
 391         g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), FALSE);
 392
 393     VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self);
 394
 395         return priv->options.check_file_server_time;
 396 }
 397
 398 static gboolean
 399 _is_direct_file_access ( VikMapSource *self )
 400 {
 401         return FALSE;
 402 }
 403
 404 static gboolean
 405 _is_mbtiles ( VikMapSource *self )
 406 {
 407         return FALSE;
 408 }
 409
 410 static gboolean
 411 _is_osm_meta_tiles ( VikMapSource *self )
 412 {
 413         return FALSE;
 414 }
 415
 416 static gboolean
 417 _coord_to_mapcoord ( VikMapSource *self, const VikCoord *src, gdouble xzoom, gdouble yzoom, MapCoord *dest )
 418 {
 419   g_assert ( src->mode == VIK_COORD_LATLON );
 420
 421   if ( xzoom != yzoom )
 422     return FALSE;
 423
 424   dest->scale = map_utils_mpp_to_scale ( xzoom );
 425   if ( dest->scale == 255 )
 426     return FALSE;
 427
 428   /* Note : VIK_GZ(17) / xzoom / 2 = number of tile on Y axis */
 429   g_debug("%s: xzoom=%f yzoom=%f -> %f", __FUNCTION__,
 430           xzoom, yzoom, VIK_GZ(17) / xzoom / 2);
 431   dest->x = floor((src->east_west + 180) / 180 * VIK_GZ(17) / xzoom / 2);
 432   /* We should restore logic of viking:
 433    * tile index on Y axis follow a screen logic (top -> down)
 434    */
 435   dest->y = floor((180 - (src->north_south + 90)) / 180 * VIK_GZ(17) / xzoom / 2);
 436   dest->z = 0;
 437   g_debug("%s: %f,%f -> %d,%d", __FUNCTION__,
 438           src->east_west, src->north_south, dest->x, dest->y);
 439   return TRUE;
 440 }
 441
 442 static void
 443 _mapcoord_to_center_coord ( VikMapSource *self, MapCoord *src, VikCoord *dest )
 444 {
 445   gdouble socalled_mpp;
 446   if (src->scale >= 0)
 447     socalled_mpp = VIK_GZ(src->scale);
 448   else
 449     socalled_mpp = 1.0/VIK_GZ(-src->scale);
 450   dest->mode = VIK_COORD_LATLON;
 451   dest->east_west = (src->x+0.5) * 180 / VIK_GZ(17) * socalled_mpp * 2 - 180;
 452   /* We should restore logic of viking:
 453    * tile index on Y axis follow a screen logic (top -> down)
 454    */
 455   dest->north_south = -((src->y+0.5) * 180 / VIK_GZ(17) * socalled_mpp * 2 - 90);
 456   g_debug("%s: %d,%d -> %f,%f", __FUNCTION__,
 457           src->x, src->y, dest->east_west, dest->north_south);
 458 }
 459
 460 static gchar *
 461 _get_uri( VikMapSourceDefault *self, MapCoord *src )
 462 {
 463         g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), NULL);
 464
 465     VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self);
 466         gdouble socalled_mpp;
 467         if (src->scale >= 0)
 468                 socalled_mpp = VIK_GZ(src->scale);
 469         else
 470                 socalled_mpp = 1.0/VIK_GZ(-src->scale);
 471         gdouble minx = (gdouble)src->x * 180 / VIK_GZ(17) * socalled_mpp * 2 - 180;
 472         gdouble maxx = (gdouble)(src->x + 1) * 180 / VIK_GZ(17) * socalled_mpp * 2 - 180;
 473         /* We should restore logic of viking:
 474      * tile index on Y axis follow a screen logic (top -> down)
 475      */
 476         gdouble miny = -((gdouble)(src->y + 1) * 180 / VIK_GZ(17) * socalled_mpp * 2 - 90);
 477         gdouble maxy = -((gdouble)(src->y) * 180 / VIK_GZ(17) * socalled_mpp * 2 - 90);
 478
 479         gchar sminx[G_ASCII_DTOSTR_BUF_SIZE];
 480         gchar smaxx[G_ASCII_DTOSTR_BUF_SIZE];
 481         gchar sminy[G_ASCII_DTOSTR_BUF_SIZE];
 482         gchar smaxy[G_ASCII_DTOSTR_BUF_SIZE];
 483
 484         g_ascii_dtostr (sminx, G_ASCII_DTOSTR_BUF_SIZE, minx);
 485         g_ascii_dtostr (smaxx, G_ASCII_DTOSTR_BUF_SIZE, maxx);
 486         g_ascii_dtostr (sminy, G_ASCII_DTOSTR_BUF_SIZE, miny);
 487         g_ascii_dtostr (smaxy, G_ASCII_DTOSTR_BUF_SIZE, maxy);
 488
 489         gchar *uri = g_strdup_printf (priv->url, sminx, sminy, smaxx, smaxy);
 490
 491         return uri;
 492 }
 493
 494 static gchar *
 495 _get_hostname( VikMapSourceDefault *self )
 496 {
 497         g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), NULL);
 498
 499     VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self);
 500         return g_strdup( priv->hostname );
 501 }
 502
 503 static DownloadFileOptions *
 504 _get_download_options( VikMapSourceDefault *self )
 505 {
 506         g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), NULL);
 507
 508         VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self);
 509         return &(priv->options);
 510 }
 511 /**
 512  *
 513  */
 514 static guint8
 515 _get_zoom_min (VikMapSource *self)
 516 {
 517         g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), FALSE);
 518         VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self);
 519         return priv->zoom_min;
 520 }
 521
 522 /**
 523  *
 524  */
 525 static guint8
 526 _get_zoom_max (VikMapSource *self)
 527 {
 528         g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), FALSE);
 529         VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self);
 530         return priv->zoom_max;
 531 }
 532
 533 /**
 534  *
 535  */
 536 static gdouble
 537 _get_lat_min (VikMapSource *self)
 538 {
 539         g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), FALSE);
 540         VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self);
 541         return priv->lat_min;
 542 }
 543
 544 /**
 545  *
 546  */
 547 static gdouble
 548 _get_lat_max (VikMapSource *self)
 549 {
 550         g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), FALSE);
 551         VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self);
 552         return priv->lat_max;
 553 }
 554
 555 /**
 556  *
 557  */
 558 static gdouble
 559 _get_lon_min (VikMapSource *self)
 560 {
 561         g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), FALSE);
 562         VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self);
 563         return priv->lon_min;
 564 }
 565
 566 /**
 567  *
 568  */
 569 static gdouble
 570 _get_lon_max (VikMapSource *self)
 571 {
 572         g_return_val_if_fail (VIK_IS_WMSC_MAP_SOURCE(self), FALSE);
 573         VikWmscMapSourcePrivate *priv = VIK_WMSC_MAP_SOURCE_PRIVATE(self);
 574         return priv->lon_max;
 575 }
 576
 577 VikWmscMapSource *
 578 vik_wmsc_map_source_new_with_id (guint16 id, const gchar *label, const gchar *hostname, const gchar *url)
 579 {
 580         return g_object_new(VIK_TYPE_WMSC_MAP_SOURCE,
 581                             "id", id, "label", label, "hostname", hostname, "url", url, NULL);
 582 }