X-Git-Url: https://git.street.me.uk/andy/viking.git/blobdiff_plain/6278ccc6f46903f87a3a2260b36d67535ae0cf50..fba991f645629444888e099c85d254a621991ac7:/src/gpx.c diff --git a/src/gpx.c b/src/gpx.c index ea94ffed..adcfe411 100644 --- a/src/gpx.c +++ b/src/gpx.c @@ -1,7 +1,10 @@ /* * viking -- GPS Data and Topo Analyzer, Explorer, and Manager * - * Copyright (C) 2003-2005, Evan Battaglia + * Copyright (C) 2003-2007, Evan Battaglia + * Copyright (C) 2007, Quy Tonthat + * Copyright (C) 2008, Hein Ragas + * Copyright (C) 2009, Tal B * * Some of the code adapted from GPSBabel 1.2.7 * http://gpsbabel.sf.net/ @@ -66,6 +69,10 @@ typedef enum { tt_trk_trkseg_trkpt_fix, tt_trk_trkseg_trkpt_sat, + tt_trk_trkseg_trkpt_hdop, + tt_trk_trkseg_trkpt_vdop, + tt_trk_trkseg_trkpt_pdop, + tt_waypoint, tt_waypoint_coord, tt_waypoint_name, @@ -117,6 +124,9 @@ tag_mapping tag_path_map[] = { { tt_trk_trkseg_trkpt_fix, "/gpx/trk/trkseg/trkpt/fix" }, { tt_trk_trkseg_trkpt_sat, "/gpx/trk/trkseg/trkpt/sat" }, + { tt_trk_trkseg_trkpt_hdop, "/gpx/trk/trkseg/trkpt/hdop" }, + { tt_trk_trkseg_trkpt_vdop, "/gpx/trk/trkseg/trkpt/vdop" }, + { tt_trk_trkseg_trkpt_pdop, "/gpx/trk/trkseg/trkpt/pdop" }, {0} }; @@ -166,8 +176,8 @@ static const char *get_attr ( const char **attr, const char *key ) static gboolean set_c_ll ( const char **attr ) { if ( (c_slat = get_attr ( attr, "lat" )) && (c_slon = get_attr ( attr, "lon" )) ) { - c_ll.lat = g_strtod(c_slat, NULL); - c_ll.lon = g_strtod(c_slon, NULL); + c_ll.lat = g_ascii_strtod(c_slat, NULL); + c_ll.lon = g_ascii_strtod(c_slon, NULL); return TRUE; } return FALSE; @@ -186,7 +196,6 @@ static void gpx_start(VikTrwLayer *vtl, const char *el, const char **attr) case tt_wpt: if ( set_c_ll( attr ) ) { c_wp = vik_waypoint_new (); - c_wp->altitude = VIK_DEFAULT_ALTITUDE; if ( ! get_attr ( attr, "hidden" ) ) c_wp->visible = TRUE; @@ -207,7 +216,6 @@ static void gpx_start(VikTrwLayer *vtl, const char *el, const char **attr) case tt_trk_trkseg_trkpt: if ( set_c_ll( attr ) ) { c_tp = vik_trackpoint_new (); - c_tp->altitude = VIK_DEFAULT_ALTITUDE; vik_coord_load_from_latlon ( &(c_tp->coord), vik_trw_layer_get_coord_mode ( vtl ), &c_ll ); if ( f_tr_newseg ) { c_tp->newsegment = TRUE; @@ -230,7 +238,6 @@ static void gpx_start(VikTrwLayer *vtl, const char *el, const char **attr) case tt_waypoint: c_wp = vik_waypoint_new (); - c_wp->altitude = VIK_DEFAULT_ALTITUDE; c_wp->visible = TRUE; break; @@ -272,7 +279,7 @@ static void gpx_end(VikTrwLayer *vtl, const char *el) case tt_trk: if ( ! c_tr_name ) - c_tr_name = g_strdup_printf("VIKING_TR%d", unnamed_waypoints++); + c_tr_name = g_strdup_printf("VIKING_TR%d", unnamed_tracks++); vik_trw_layer_filein_add_track ( vtl, c_tr_name, c_tr ); g_free ( c_tr_name ); c_tr = NULL; @@ -294,12 +301,12 @@ static void gpx_end(VikTrwLayer *vtl, const char *el) break; case tt_wpt_ele: - c_wp->altitude = g_strtod ( c_cdata->str, NULL ); + c_wp->altitude = g_ascii_strtod ( c_cdata->str, NULL ); g_string_erase ( c_cdata, 0, -1 ); break; case tt_trk_trkseg_trkpt_ele: - c_tp->altitude = g_strtod ( c_cdata->str, NULL ); + c_tp->altitude = g_ascii_strtod ( c_cdata->str, NULL ); g_string_erase ( c_cdata, 0, -1 ); break; @@ -336,19 +343,16 @@ static void gpx_end(VikTrwLayer *vtl, const char *el) break; case tt_trk_trkseg_trkpt_course: - c_tp->extended = TRUE; - c_tp->course = g_strtod ( c_cdata->str, NULL ); + c_tp->course = g_ascii_strtod ( c_cdata->str, NULL ); g_string_erase ( c_cdata, 0, -1 ); break; case tt_trk_trkseg_trkpt_speed: - c_tp->extended = TRUE; - c_tp->speed = g_strtod ( c_cdata->str, NULL ); + c_tp->speed = g_ascii_strtod ( c_cdata->str, NULL ); g_string_erase ( c_cdata, 0, -1 ); break; case tt_trk_trkseg_trkpt_fix: - c_tp->extended = TRUE; if (!strcmp("2d", c_cdata->str)) c_tp->fix_mode = VIK_GPS_MODE_2D; else if (!strcmp("3d", c_cdata->str)) @@ -359,11 +363,25 @@ static void gpx_end(VikTrwLayer *vtl, const char *el) break; case tt_trk_trkseg_trkpt_sat: - c_tp->extended = TRUE; c_tp->nsats = atoi ( c_cdata->str ); g_string_erase ( c_cdata, 0, -1 ); break; + case tt_trk_trkseg_trkpt_hdop: + c_tp->hdop = g_strtod ( c_cdata->str, NULL ); + g_string_erase ( c_cdata, 0, -1 ); + break; + + case tt_trk_trkseg_trkpt_vdop: + c_tp->vdop = g_strtod ( c_cdata->str, NULL ); + g_string_erase ( c_cdata, 0, -1 ); + break; + + case tt_trk_trkseg_trkpt_pdop: + c_tp->pdop = g_strtod ( c_cdata->str, NULL ); + g_string_erase ( c_cdata, 0, -1 ); + break; + default: break; } @@ -386,6 +404,9 @@ static void gpx_cdata(void *dta, const XML_Char *s, int len) case tt_trk_trkseg_trkpt_speed: case tt_trk_trkseg_trkpt_fix: case tt_trk_trkseg_trkpt_sat: + case tt_trk_trkseg_trkpt_hdop: + case tt_trk_trkseg_trkpt_vdop: + case tt_trk_trkseg_trkpt_pdop: case tt_waypoint_name: /* .loc name is really description. */ g_string_append_len ( c_cdata, s, len ); break; @@ -645,7 +666,7 @@ static void gpx_write_trackpoint ( VikTrackpoint *tp, GpxWritingContext *context { FILE *f = context->file; static struct LatLon ll; - gchar *s_lat,*s_lon, *s_alt; + gchar *s_lat,*s_lon, *s_alt, *s_dop; gchar *time_iso8601; vik_coord_to_latlon ( &(tp->coord), &ll ); @@ -691,24 +712,48 @@ static void gpx_write_trackpoint ( VikTrackpoint *tp, GpxWritingContext *context g_free(time_iso8601); time_iso8601 = NULL; - if (tp->extended && (tp->fix_mode >= VIK_GPS_MODE_2D)) { - if (!isnan(tp->course)) { - gchar *s_course = a_coords_dtostr(tp->course); - fprintf ( f, " %s\n", s_course ); - g_free(s_course); - } - if (!isnan(tp->speed)) { - gchar *s_speed = a_coords_dtostr(tp->speed); - fprintf ( f, " %s\n", s_speed ); - g_free(s_speed); - } - if (tp->fix_mode == VIK_GPS_MODE_2D) - fprintf ( f, " 2d\n"); - if (tp->fix_mode == VIK_GPS_MODE_3D) - fprintf ( f, " 3d\n"); - if (tp->nsats > 0) - fprintf ( f, " %d\n", tp->nsats ); + if (!isnan(tp->course)) { + gchar *s_course = a_coords_dtostr(tp->course); + fprintf ( f, " %s\n", s_course ); + g_free(s_course); } + if (!isnan(tp->speed)) { + gchar *s_speed = a_coords_dtostr(tp->speed); + fprintf ( f, " %s\n", s_speed ); + g_free(s_speed); + } + if (tp->fix_mode == VIK_GPS_MODE_2D) + fprintf ( f, " 2d\n"); + if (tp->fix_mode == VIK_GPS_MODE_3D) + fprintf ( f, " 3d\n"); + if (tp->nsats > 0) + fprintf ( f, " %d\n", tp->nsats ); + + s_dop = NULL; + if ( tp->hdop != VIK_DEFAULT_DOP ) + { + s_dop = a_coords_dtostr ( tp->hdop ); + } + if (s_dop != NULL) + fprintf ( f, " %s\n", s_dop ); + g_free ( s_dop ); s_dop = NULL; + + if ( tp->vdop != VIK_DEFAULT_DOP ) + { + s_dop = a_coords_dtostr ( tp->vdop ); + } + if (s_dop != NULL) + fprintf ( f, " %s\n", s_dop ); + g_free ( s_dop ); s_dop = NULL; + + if ( tp->pdop != VIK_DEFAULT_DOP ) + { + s_dop = a_coords_dtostr ( tp->pdop ); + } + if (s_dop != NULL) + fprintf ( f, " %s\n", s_dop ); + g_free ( s_dop ); s_dop = NULL; + fprintf ( f, " \n" ); } @@ -796,9 +841,16 @@ static void gpx_collect_track (const gchar *name, VikTrack *track, gpx_gather_tr { if (passalong->i < passalong->n_trks) { - VikTrackpoint *first_point = (VikTrackpoint *)track->trackpoints->data; passalong->trks[passalong->i].name = name; - passalong->trks[passalong->i].first_timestamp = first_point->timestamp; + if (track && track->trackpoints && track->trackpoints->data) + { + VikTrackpoint *first_point = (VikTrackpoint *)track->trackpoints->data; + passalong->trks[passalong->i].first_timestamp = first_point->timestamp; + } + else + { + passalong->trks[passalong->i].first_timestamp = 0; + } passalong->i++; } }