static void srtm_dem_download_thread ( DEMDownloadParams *p, gpointer threaddata )
{
gint intlat, intlon;
const gchar *continent_dir;
intlat = (int)floor(p->lat);
intlon = (int)floor(p->lon);
continent_dir = srtm_continent_dir(intlat, intlon);
if (!continent_dir) {
if ( p->vdl ) {
gchar *msg = g_strdup_printf ( _("No SRTM data available for %f, %f"), p->lat, p->lon );
vik_window_statusbar_update ( (VikWindow*)VIK_GTK_WINDOW_FROM_LAYER(p->vdl), msg, VIK_STATUSBAR_INFO );
g_free ( msg );
}
return;
}
gchar *src_fn = g_strdup_printf("%s%s/%c%02d%c%03d.hgt.zip",
SRTM_HTTP_URI,
continent_dir,
(intlat >= 0) ? 'N' : 'S',
ABS(intlat),
(intlon >= 0) ? 'E' : 'W',
ABS(intlon) );
static DownloadMapOptions options = { FALSE, FALSE, NULL, 0, a_check_map_file, NULL, NULL };
a_http_download_get_url ( SRTM_HTTP_SITE, src_fn, p->dest, &options, NULL );
g_free ( src_fn );
}
/**
* a_babel_convert_from_url_filter:
* @vt: The #VikTrwLayer where to insert the collected data
* @url: the URL to fetch
* @input_type: If input_type is %NULL, input must be GPX.
* @babelfilters: The filter arguments to pass to gpsbabel
* @cb: Optional callback function. Same usage as in a_babel_convert().
* @user_data: Passed along to cb
* @options: Download options. If %NULL then default download options will be used.
*
* Download the file pointed by the URL and optionally uses GPSBabel to convert from input_type.
* If input_type and babelfilters are %NULL, gpsbabel is not used.
*
* Returns: %TRUE on successful invocation of GPSBabel or read of the GPX
*
*/
gboolean a_babel_convert_from_url_filter ( VikTrwLayer *vt, const char *url, const char *input_type, const char *babelfilters, BabelStatusFunc cb, gpointer user_data, DownloadFileOptions *options )
{
// If no download options specified, use defaults:
DownloadFileOptions myoptions = { FALSE, FALSE, NULL, 2, NULL, NULL, NULL };
if ( options )
myoptions = *options;
gint fd_src;
int fetch_ret;
gboolean ret = FALSE;
gchar *name_src = NULL;
gchar *babelargs = NULL;
g_debug("%s: input_type=%s url=%s", __FUNCTION__, input_type, url);
if ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0) {
g_debug ("%s: temporary file: %s", __FUNCTION__, name_src);
close(fd_src);
(void)g_remove(name_src);
fetch_ret = a_http_download_get_url(url, "", name_src, &myoptions, NULL);
if (fetch_ret == DOWNLOAD_SUCCESS) {
if (input_type != NULL || babelfilters != NULL) {
babelargs = (input_type) ? g_strdup_printf(" -i %s", input_type) : g_strdup("");
ret = a_babel_convert_from_filter( vt, babelargs, name_src, babelfilters, NULL, NULL, NULL );
} else {
/* Process directly the retrieved file */
g_debug("%s: directly read GPX file %s", __FUNCTION__, name_src);
FILE *f = g_fopen(name_src, "r");
if (f) {
gchar *dirpath = g_path_get_dirname ( name_src );
ret = a_gpx_read_file ( vt, f, dirpath );
g_free ( dirpath );
fclose(f);
}
// Try to avoid adding the description if URL is OAuth signed
if ( !g_ascii_strncasecmp(url, "?oauth_consumer_key=", 20) ) {
VikTRWMetadata *meta = vik_trw_layer_get_metadata(vt);
if ( meta && !meta->description ) {
meta->description = g_strdup ( url );
}
}
}
}
(void)util_remove(name_src);
g_free(babelargs);
g_free(name_src);
}
return ret;
}
/**
* a_babel_convert_from_url:
* @vt: The #VikTrwLayer where to insert the collected data
* @url: the URL to fetch
* @cb: Optional callback function. Same usage as in a_babel_convert().
* @user_data: passed along to cb
* @options: download options. Maybe NULL.
*
* Download the file pointed by the URL and optionally uses GPSBabel to convert from input_file_type.
* If input_file_type is %NULL, doesn't use GPSBabel. Input must be GPX.
*
* Returns: %TRUE on successful invocation of GPSBabel or read of the GPX
*
*/
gboolean a_babel_convert_from_url ( VikTrwLayer *vt, const char *url, const char *input_type, BabelStatusFunc cb, gpointer user_data, DownloadMapOptions *options )
{
// If no download options specified, use defaults:
DownloadMapOptions myoptions = { FALSE, FALSE, NULL, 2, NULL, NULL, NULL };
if ( options )
myoptions = *options;
gint fd_src;
int fetch_ret;
gboolean ret = FALSE;
gchar *name_src = NULL;
gchar *babelargs = NULL;
g_debug("%s: input_type=%s url=%s", __FUNCTION__, input_type, url);
if ((fd_src = g_file_open_tmp("tmp-viking.XXXXXX", &name_src, NULL)) >= 0) {
g_debug ("%s: temporary file: %s", __FUNCTION__, name_src);
close(fd_src);
g_remove(name_src);
fetch_ret = a_http_download_get_url(url, "", name_src, &myoptions, NULL);
if (fetch_ret == 0) {
if (input_type != NULL) {
babelargs = g_strdup_printf(" -i %s", input_type);
ret = a_babel_convert_from( vt, babelargs, name_src, NULL, NULL, NULL );
} else {
/* Process directly the retrieved file */
g_debug("%s: directly read GPX file %s", __FUNCTION__, name_src);
FILE *f = g_fopen(name_src, "r");
if (f) {
ret = a_gpx_read_file ( vt, f );
fclose(f);
f = NULL;
}
}
}
g_remove(name_src);
g_free(babelargs);
g_free(name_src);
}
return ret;
}
static DownloadResult_t expedia_download ( MapCoord *src, const gchar *dest_fn, void *handle )
{
gint height, width;
struct LatLon ll;
gchar *uri;
expedia_xy_to_latlon_middle ( src->scale, src->x, src->y, &ll );
height = HEIGHT_OF_LAT_DEGREE / expedia_altis_freq(src->scale) / (src->scale);
width = height * cos ( ll.lat * DEGREES_TO_RADS );
height += 2*REAL_HEIGHT_BUFFER;
width += 2*REAL_WIDTH_BUFFER;
uri = g_strdup_printf ( "/pub/agent.dll?qscr=mrdt&ID=3XNsF.&CenP=%lf,%lf&Lang=%s&Alti=%d&Size=%d,%d&Offs=0.000000,0.000000&BCheck&tpid=1",
ll.lat, ll.lon, (ll.lon > -30) ? "EUR0809" : "USA0409", src->scale, width, height );
DownloadResult_t res = a_http_download_get_url ( EXPEDIA_SITE, uri, dest_fn, &expedia_options, NULL );
if (res == DOWNLOAD_SUCCESS)
expedia_snip ( dest_fn );
g_free(uri);
return(res);
}
