/**
* vik_trw_layer_tpwin_set_tp:
* @tpwin: The Trackpoint Edit Window
* @tpl: The #Glist of trackpoints pointing at the current trackpoint
* @track_name: The name of the track in which the trackpoint belongs
* @is_route: Is the track of the trackpoint actually a route?
*
* Sets the Trackpoint Edit Window to the values of the current trackpoint given in @tpl.
*
*/
void vik_trw_layer_tpwin_set_tp ( VikTrwLayerTpwin *tpwin, GList *tpl, const gchar *track_name, gboolean is_route )
{
static char tmp_str[64];
static struct LatLon ll;
VikTrackpoint *tp = VIK_TRACKPOINT(tpl->data);
if ( tp->name )
gtk_entry_set_text ( GTK_ENTRY(tpwin->trkpt_name), tp->name );
else
gtk_editable_delete_text ( GTK_EDITABLE(tpwin->trkpt_name), 0, -1 );
gtk_widget_set_sensitive ( tpwin->trkpt_name, TRUE );
/* Only can insert if not at the end (otherwise use extend track) */
gtk_widget_set_sensitive ( tpwin->button_insert, (gboolean) GPOINTER_TO_INT (tpl->next) );
gtk_widget_set_sensitive ( tpwin->button_delete, TRUE );
/* We can only split up a track if it's not an endpoint. Makes sense to me. */
gtk_widget_set_sensitive ( tpwin->button_split, tpl->next && tpl->prev );
gtk_widget_set_sensitive ( tpwin->button_forward, (gboolean) GPOINTER_TO_INT (tpl->next) );
gtk_widget_set_sensitive ( tpwin->button_back, (gboolean) GPOINTER_TO_INT (tpl->prev) );
gtk_widget_set_sensitive ( GTK_WIDGET(tpwin->lat), TRUE );
gtk_widget_set_sensitive ( GTK_WIDGET(tpwin->lon), TRUE );
gtk_widget_set_sensitive ( GTK_WIDGET(tpwin->alt), TRUE );
gtk_widget_set_sensitive ( GTK_WIDGET(tpwin->ts), tp->has_timestamp );
gtk_widget_set_sensitive ( GTK_WIDGET(tpwin->time), tp->has_timestamp );
// Enable adding timestamps - but not on routepoints
if ( !tp->has_timestamp && !is_route ) {
gtk_widget_set_sensitive ( GTK_WIDGET(tpwin->time), TRUE );
GtkWidget *img = gtk_image_new_from_stock ( GTK_STOCK_ADD, GTK_ICON_SIZE_MENU );
gtk_button_set_image ( GTK_BUTTON(tpwin->time), img );
}
else
vik_trw_layer_tpwin_set_track_name ( tpwin, track_name );
tpwin->sync_to_tp_block = TRUE; /* don't update while setting data. */
vik_coord_to_latlon ( &(tp->coord), &ll );
gtk_spin_button_set_value ( tpwin->lat, ll.lat );
gtk_spin_button_set_value ( tpwin->lon, ll.lon );
vik_units_height_t height_units = a_vik_get_units_height ();
switch (height_units) {
case VIK_UNITS_HEIGHT_METRES:
gtk_spin_button_set_value ( tpwin->alt, tp->altitude );
break;
case VIK_UNITS_HEIGHT_FEET:
gtk_spin_button_set_value ( tpwin->alt, VIK_METERS_TO_FEET(tp->altitude) );
break;
default:
gtk_spin_button_set_value ( tpwin->alt, tp->altitude );
g_critical("Houston, we've had a problem. height=%d", height_units);
}
tpwin_update_times ( tpwin, tp );
tpwin->sync_to_tp_block = FALSE; // don't update while setting data.
vik_units_speed_t speed_units = a_vik_get_units_speed ();
vik_units_distance_t dist_units = a_vik_get_units_distance ();
if ( tpwin->cur_tp )
{
switch (dist_units) {
case VIK_UNITS_DISTANCE_KILOMETRES:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f m", vik_coord_diff(&(tp->coord), &(tpwin->cur_tp->coord)));
break;
case VIK_UNITS_DISTANCE_MILES:
case VIK_UNITS_DISTANCE_NAUTICAL_MILES:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f yards", vik_coord_diff(&(tp->coord), &(tpwin->cur_tp->coord))*1.0936133);
break;
default:
g_critical("Houston, we've had a problem. distance=%d", dist_units);
}
gtk_label_set_text ( tpwin->diff_dist, tmp_str );
if ( tp->has_timestamp && tpwin->cur_tp->has_timestamp )
{
g_snprintf ( tmp_str, sizeof(tmp_str), "%ld s", tp->timestamp - tpwin->cur_tp->timestamp);
gtk_label_set_text ( tpwin->diff_time, tmp_str );
if ( tp->timestamp == tpwin->cur_tp->timestamp )
gtk_label_set_text ( tpwin->diff_speed, "--" );
else
{
switch (speed_units) {
case VIK_UNITS_SPEED_KILOMETRES_PER_HOUR:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f km/h", VIK_MPS_TO_KPH(vik_coord_diff(&(tp->coord), &(tpwin->cur_tp->coord)) / (ABS(tp->timestamp - tpwin->cur_tp->timestamp))) );
break;
case VIK_UNITS_SPEED_MILES_PER_HOUR:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f mph", VIK_MPS_TO_MPH(vik_coord_diff(&(tp->coord), &(tpwin->cur_tp->coord)) / (ABS(tp->timestamp - tpwin->cur_tp->timestamp))) );
break;
case VIK_UNITS_SPEED_METRES_PER_SECOND:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f m/s", vik_coord_diff(&(tp->coord), &(tpwin->cur_tp->coord)) / ABS(tp->timestamp - tpwin->cur_tp->timestamp) );
break;
case VIK_UNITS_SPEED_KNOTS:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f knots", VIK_MPS_TO_KNOTS(vik_coord_diff(&(tp->coord), &(tpwin->cur_tp->coord)) / (ABS(tp->timestamp - tpwin->cur_tp->timestamp))) );
break;
case VIK_UNITS_SPEED_SECONDS_PER_KM:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f s/km", VIK_MPS_TO_PACE_SPK(vik_coord_diff(&(tp->coord), &(tpwin->cur_tp->coord)) / (ABS(tp->timestamp - tpwin->cur_tp->timestamp))) );
break;
case VIK_UNITS_SPEED_MINUTES_PER_KM:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f min/km", VIK_MPS_TO_PACE_MPK(vik_coord_diff(&(tp->coord), &(tpwin->cur_tp->coord)) / (ABS(tp->timestamp - tpwin->cur_tp->timestamp))) );
break;
case VIK_UNITS_SPEED_SECONDS_PER_MILE:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f sec/mi", VIK_MPS_TO_PACE_SPM(vik_coord_diff(&(tp->coord), &(tpwin->cur_tp->coord)) / (ABS(tp->timestamp - tpwin->cur_tp->timestamp))) );
break;
case VIK_UNITS_SPEED_MINUTES_PER_MILE:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f min/mi", VIK_MPS_TO_PACE_MPM(vik_coord_diff(&(tp->coord), &(tpwin->cur_tp->coord)) / (ABS(tp->timestamp - tpwin->cur_tp->timestamp))) );
break;
default:
g_snprintf ( tmp_str, sizeof(tmp_str), "--" );
g_critical("Houston, we've had a problem. speed=%d", speed_units);
}
gtk_label_set_text ( tpwin->diff_speed, tmp_str );
}
}
else
{
gtk_label_set_text ( tpwin->diff_time, NULL );
gtk_label_set_text ( tpwin->diff_speed, NULL );
}
}
if ( isnan(tp->course) )
g_snprintf ( tmp_str, sizeof(tmp_str), "--" );
else
g_snprintf ( tmp_str, sizeof(tmp_str), "%05.1f\302\260", tp->course );
gtk_label_set_text ( tpwin->course, tmp_str );
if ( isnan(tp->speed) )
g_snprintf ( tmp_str, sizeof(tmp_str), "--" );
else {
switch (speed_units) {
case VIK_UNITS_SPEED_MILES_PER_HOUR:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f mph", VIK_MPS_TO_MPH(tp->speed) );
break;
case VIK_UNITS_SPEED_METRES_PER_SECOND:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f m/s", tp->speed );
break;
case VIK_UNITS_SPEED_KNOTS:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f knots", VIK_MPS_TO_KNOTS(tp->speed) );
break;
case VIK_UNITS_SPEED_SECONDS_PER_KM:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f s/km", VIK_MPS_TO_PACE_SPK(tp->speed) );
break;
case VIK_UNITS_SPEED_MINUTES_PER_KM:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f min/km", VIK_MPS_TO_PACE_MPK(tp->speed) );
break;
case VIK_UNITS_SPEED_SECONDS_PER_MILE:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f s/mi", VIK_MPS_TO_PACE_SPM(tp->speed) );
break;
case VIK_UNITS_SPEED_MINUTES_PER_MILE:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f min/mi", VIK_MPS_TO_PACE_MPM(tp->speed) );
break;
default:
// VIK_UNITS_SPEED_KILOMETRES_PER_HOUR:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.2f km/h", VIK_MPS_TO_KPH(tp->speed) );
break;
}
}
gtk_label_set_text ( tpwin->speed, tmp_str );
switch (dist_units) {
case VIK_UNITS_DISTANCE_KILOMETRES:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.5f m", tp->hdop );
gtk_label_set_text ( tpwin->hdop, tmp_str );
g_snprintf ( tmp_str, sizeof(tmp_str), "%.5f m", tp->pdop );
gtk_label_set_text ( tpwin->pdop, tmp_str );
break;
case VIK_UNITS_DISTANCE_NAUTICAL_MILES:
case VIK_UNITS_DISTANCE_MILES:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.5f yards", tp->hdop*1.0936133 );
gtk_label_set_text ( tpwin->hdop, tmp_str );
g_snprintf ( tmp_str, sizeof(tmp_str), "%.5f yards", tp->pdop*1.0936133 );
gtk_label_set_text ( tpwin->pdop, tmp_str );
break;
default:
g_critical("Houston, we've had a problem. distance=%d", dist_units);
}
switch (height_units) {
case VIK_UNITS_HEIGHT_METRES:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.5f m", tp->vdop );
break;
case VIK_UNITS_HEIGHT_FEET:
g_snprintf ( tmp_str, sizeof(tmp_str), "%.5f feet", VIK_METERS_TO_FEET(tp->vdop) );
break;
default:
g_snprintf ( tmp_str, sizeof(tmp_str), "--" );
g_critical("Houston, we've had a problem. height=%d", height_units);
}
gtk_label_set_text ( tpwin->vdop, tmp_str );
g_snprintf ( tmp_str, sizeof(tmp_str), "%d / %d", tp->nsats, tp->fix_mode );
gtk_label_set_text ( tpwin->sat, tmp_str );
tpwin->cur_tp = tp;
}
/**
* vu_trackpoint_formatted_message:
* @format_code: String describing the message to generate
* @trkpt: The trackpoint for which the message is generated about
* @trkpt_prev: A trackpoint (presumed previous) for interpolating values with the other trackpoint (such as speed)
* @trk: The track in which the trackpoints reside
*
* TODO: One day replace this cryptic format code with some kind of tokenizer parsing
* thus would make it more user friendly and maybe even GUI controlable.
* However for now at least there is some semblance of user control
*/
gchar* vu_trackpoint_formatted_message ( gchar *format_code, VikTrackpoint *trkpt, VikTrackpoint *trkpt_prev, VikTrack *trk )
{
if ( !trkpt )
return NULL;
gint len = 0;
if ( format_code )
len = strlen ( format_code );
if ( len > FMT_MAX_NUMBER_CODES )
len = FMT_MAX_NUMBER_CODES;
gchar* values[FMT_MAX_NUMBER_CODES];
int i;
for ( i = 0; i < FMT_MAX_NUMBER_CODES; i++ ) {
values[i] = '\0';
}
gchar *speed_units_str = NULL;
vik_units_speed_t speed_units = a_vik_get_units_speed ();
switch (speed_units) {
case VIK_UNITS_SPEED_MILES_PER_HOUR:
speed_units_str = g_strdup ( _("mph") );
break;
case VIK_UNITS_SPEED_METRES_PER_SECOND:
speed_units_str = g_strdup ( _("m/s") );
break;
case VIK_UNITS_SPEED_KNOTS:
speed_units_str = g_strdup ( _("knots") );
break;
default:
// VIK_UNITS_SPEED_KILOMETRES_PER_HOUR:
speed_units_str = g_strdup ( _("km/h") );
break;
}
gchar *separator = g_strdup ( " | " );
for ( i = 0; i < len; i++ ) {
switch ( g_ascii_toupper ( format_code[i] ) ) {
case 'G': values[i] = g_strdup ( _("GPSD") ); break; // GPS Preamble
case 'K': values[i] = g_strdup ( _("Trkpt") ); break; // Trkpt Preamble
case 'S': {
gdouble speed = 0.0;
gchar *speedtype = NULL;
if ( isnan(trkpt->speed) && trkpt_prev ) {
if ( trkpt->has_timestamp && trkpt_prev->has_timestamp ) {
if ( trkpt->timestamp == trkpt_prev->timestamp ) {
// Work out from previous trackpoint location and time difference
speed = vik_coord_diff(&(trkpt->coord), &(trkpt_prev->coord)) / ABS(trkpt->timestamp - trkpt_prev->timestamp);
switch (speed_units) {
case VIK_UNITS_SPEED_KILOMETRES_PER_HOUR:
speed = VIK_MPS_TO_KPH(speed);
break;
case VIK_UNITS_SPEED_MILES_PER_HOUR:
speed = VIK_MPS_TO_MPH(speed);
break;
case VIK_UNITS_SPEED_KNOTS:
speed = VIK_MPS_TO_KNOTS(speed);
break;
default:
// VIK_UNITS_SPEED_METRES_PER_SECOND:
// Already in m/s so nothing to do
break;
}
speedtype = g_strdup ( "*" ); // Interpolated
}
else
speedtype = g_strdup ( "**" );
}
else
speedtype = g_strdup ( "**" );
}
else {
speed = trkpt->speed;
speedtype = g_strdup ( "" );
}
values[i] = g_strdup_printf ( _("%sSpeed%s %.1f%s"), separator, speedtype, speed, speed_units_str );
g_free ( speedtype );
break;
}
case 'A': {
vik_units_height_t height_units = a_vik_get_units_height ();
switch (height_units) {
case VIK_UNITS_HEIGHT_FEET:
values[i] = g_strdup_printf ( _("%sAlt %dfeet"), separator, (int)round(VIK_METERS_TO_FEET(trkpt->altitude)) );
break;
default:
//VIK_UNITS_HEIGHT_METRES:
values[i] = g_strdup_printf ( _("%sAlt %dm"), separator, (int)round(trkpt->altitude) );
break;
}
break;
}
case 'C': {
gint heading = isnan(trkpt->course) ? 0 : (gint)round(trkpt->course);
values[i] = g_strdup_printf ( _("%sCourse %03d\302\260" ), separator, heading );
break;
}
case 'P': {
if ( trkpt_prev ) {
gint diff = (gint) round ( vik_coord_diff ( &(trkpt->coord), &(trkpt_prev->coord) ) );
gchar *dist_units_str = NULL;
vik_units_distance_t dist_units = a_vik_get_units_distance ();
// expect the difference between track points to be small hence use metres or yards
switch (dist_units) {
case VIK_UNITS_DISTANCE_MILES:
dist_units_str = g_strdup ( _("yards") );
break;
default:
// VIK_UNITS_DISTANCE_KILOMETRES:
dist_units_str = g_strdup ( _("m") );
break;
}
values[i] = g_strdup_printf ( _("%sDistance diff %d%s"), separator, diff, dist_units_str );
g_free ( dist_units_str );
}
break;
}
case 'T': {
gchar tmp[64];
tmp[0] = '\0';
if ( trkpt->has_timestamp ) {
// Compact date time format
strftime (tmp, sizeof(tmp), "%x %X", localtime(&(trkpt->timestamp)));
}
else
g_snprintf (tmp, sizeof(tmp), "--");
values[i] = g_strdup_printf ( _("%sTime %s"), separator, tmp );
break;
}
case 'M': {
if ( trkpt_prev ) {
if ( trkpt->has_timestamp && trkpt_prev->has_timestamp ) {
time_t t_diff = trkpt->timestamp - trkpt_prev->timestamp;
values[i] = g_strdup_printf ( _("%sTime diff %lds"), separator, t_diff );
}
}
break;
}
case 'X': values[i] = g_strdup_printf ( _("%sNo. of Sats %d"), separator, trkpt->nsats ); break;
case 'D': {
if ( trk ) {
// Distance from start (along the track)
gdouble distd = vik_track_get_length_to_trackpoint (trk, trkpt);
gchar *dist_units_str = NULL;
vik_units_distance_t dist_units = a_vik_get_units_distance ();
// expect the difference between track points to be small hence use metres or yards
switch (dist_units) {
case VIK_UNITS_DISTANCE_MILES:
dist_units_str = g_strdup ( _("miles") );
distd = VIK_METERS_TO_MILES(distd);
break;
default:
// VIK_UNITS_DISTANCE_KILOMETRES:
dist_units_str = g_strdup ( _("km") );
distd = distd / 1000.0;
break;
}
values[i] = g_strdup_printf ( _("%sDistance along %.2f%s"), separator, distd, dist_units_str );
g_free ( dist_units_str );
}
break;
}
case 'L': {
// Location (Lat/Long)
gchar *lat = NULL, *lon = NULL;
struct LatLon ll;
vik_coord_to_latlon (&(trkpt->coord), &ll);
a_coords_latlon_to_string ( &ll, &lat, &lon );
values[i] = g_strdup_printf ( "%s%s %s", separator, lat, lon );
g_free ( lat );
g_free ( lon );
break;
}
case 'N': // Name of track
values[i] = g_strdup_printf ( _("%sTrack: %s"), separator, trk->name );
break;
case 'E': // Name of trackpoint if available
if ( trkpt->name )
values[i] = g_strdup_printf ( "%s%s", separator, trkpt->name );
else
values[i] = g_strdup ( "" );
break;
default:
break;
}
}
g_free ( separator );
g_free ( speed_units_str );
gchar *msg = g_strconcat ( values[0], values[1], values[2], values[3], values[4], values[5], values[6], values[7], values[8], NULL );
for ( i = 0; i < FMT_MAX_NUMBER_CODES; i++ ) {
if ( values[i] != '\0' )
g_free ( values[i] );
}
return msg;
}
/**
* @val_analyse_track:
* @trk: The track to be analyse
*
* Function to collect statistics, using the internal track functions
*/
static void val_analyse_track ( VikTrack *trk )
{
//val_reset ( TS_TRACK );
gdouble min_alt;
gdouble max_alt;
gdouble up;
gdouble down;
gdouble length = 0.0;
gdouble length_gaps = 0.0;
gdouble max_speed = 0.0;
gulong trackpoints = 0;
guint segments = 0;
tracks_stats[TS_TRACKS].count++;
trackpoints = vik_track_get_tp_count (trk);
segments = vik_track_get_segment_count (trk);
length = vik_track_get_length (trk);
length_gaps = vik_track_get_length_including_gaps (trk);
max_speed = vik_track_get_max_speed (trk);
if ( !trk->is_route ) {
// Eddington number will be in the current Units distance preference
gdouble e_len;
switch (a_vik_get_units_distance ()) {
case VIK_UNITS_DISTANCE_MILES: e_len = VIK_METERS_TO_MILES(length); break;
case VIK_UNITS_DISTANCE_NAUTICAL_MILES: e_len = VIK_METERS_TO_NAUTICAL_MILES(length); break;
//VIK_UNITS_DISTANCE_KILOMETRES
default: e_len = length/1000.0; break;
}
gdouble *gd = g_malloc ( sizeof(gdouble) );
*gd = e_len;
tracks_stats[TS_TRACKS].e_list = g_list_prepend ( tracks_stats[TS_TRACKS].e_list, gd );
}
int ii;
for (ii = 0; ii < G_N_ELEMENTS(tracks_stats); ii++) {
tracks_stats[ii].trackpoints += trackpoints;
tracks_stats[ii].segments += segments;
tracks_stats[ii].length += length;
tracks_stats[ii].length_gaps += length_gaps;
if ( max_speed > tracks_stats[ii].max_speed )
tracks_stats[ii].max_speed = max_speed;
}
if ( vik_track_get_minmax_alt (trk, &min_alt, &max_alt) ) {
for (ii = 0; ii < G_N_ELEMENTS(tracks_stats); ii++) {
if ( min_alt < tracks_stats[ii].min_alt )
tracks_stats[ii].min_alt = min_alt;
if ( max_alt > tracks_stats[ii].max_alt )
tracks_stats[ii].max_alt = max_alt;
}
}
vik_track_get_total_elevation_gain (trk, &up, &down );
for (ii = 0; ii < G_N_ELEMENTS(tracks_stats); ii++) {
tracks_stats[ii].elev_gain += up;
tracks_stats[ii].elev_loss += down;
}
if ( trk->trackpoints && VIK_TRACKPOINT(trk->trackpoints->data)->timestamp ) {
time_t t1, t2;
t1 = VIK_TRACKPOINT(g_list_first(trk->trackpoints)->data)->timestamp;
t2 = VIK_TRACKPOINT(g_list_last(trk->trackpoints)->data)->timestamp;
// Assume never actually have a track with a time of 0 (1st Jan 1970)
for (ii = 0; ii < G_N_ELEMENTS(tracks_stats); ii++) {
if ( tracks_stats[ii].start_time == 0)
tracks_stats[ii].start_time = t1;
if ( tracks_stats[ii].end_time == 0)
tracks_stats[ii].end_time = t2;
}
// Initialize to the first value
for (ii = 0; ii < G_N_ELEMENTS(tracks_stats); ii++) {
if (t1 < tracks_stats[ii].start_time)
tracks_stats[ii].start_time = t1;
if (t2 > tracks_stats[ii].end_time)
tracks_stats[ii].end_time = t2;
}
for (ii = 0; ii < G_N_ELEMENTS(tracks_stats); ii++) {
tracks_stats[ii].duration = tracks_stats[ii].duration + (int)(t2-t1);
}
}
}
void vik_viewport_draw_scale ( VikViewport *vvp )
{
g_return_if_fail ( vvp != NULL );
if ( vvp->draw_scale ) {
VikCoord left, right;
gdouble unit, base, diff, old_unit, old_diff, ratio;
gint odd, len, SCSIZE = 5, HEIGHT=10;
PangoLayout *pl;
gchar s[128];
vik_viewport_screen_to_coord ( vvp, 0, vvp->height, &left );
vik_viewport_screen_to_coord ( vvp, vvp->width/SCSIZE, vvp->height, &right );
vik_units_distance_t dist_units = a_vik_get_units_distance ();
switch (dist_units) {
case VIK_UNITS_DISTANCE_KILOMETRES:
base = vik_coord_diff ( &left, &right ); // in meters
break;
case VIK_UNITS_DISTANCE_MILES:
// in 0.1 miles (copes better when zoomed in as 1 mile can be too big)
base = VIK_METERS_TO_MILES(vik_coord_diff ( &left, &right )) * 10.0;
break;
default:
base = 1; // Keep the compiler happy
g_critical("Houston, we've had a problem. distance=%d", dist_units);
}
ratio = (vvp->width/SCSIZE)/base;
unit = 1;
diff = fabs(base-unit);
old_unit = unit;
old_diff = diff;
odd = 1;
while (diff <= old_diff) {
old_unit = unit;
old_diff = diff;
unit = unit * (odd%2 ? 5 : 2);
diff = fabs(base-unit);
odd++;
}
unit = old_unit;
len = unit * ratio;
/* white background */
vik_viewport_draw_line(vvp, vvp->scale_bg_gc,
PAD, vvp->height-PAD, PAD + len, vvp->height-PAD);
vik_viewport_draw_line(vvp, vvp->scale_bg_gc,
PAD, vvp->height-PAD, PAD, vvp->height-PAD-HEIGHT);
vik_viewport_draw_line(vvp, vvp->scale_bg_gc,
PAD + len, vvp->height-PAD, PAD + len, vvp->height-PAD-HEIGHT);
/* black scale */
vik_viewport_draw_line(vvp, gtk_widget_get_style(GTK_WIDGET(&vvp->drawing_area))->black_gc,
PAD, vvp->height-PAD, PAD + len, vvp->height-PAD);
vik_viewport_draw_line(vvp, gtk_widget_get_style(GTK_WIDGET(&vvp->drawing_area))->black_gc,
PAD, vvp->height-PAD, PAD, vvp->height-PAD-HEIGHT);
vik_viewport_draw_line(vvp, gtk_widget_get_style(GTK_WIDGET(&vvp->drawing_area))->black_gc,
PAD + len, vvp->height-PAD, PAD + len, vvp->height-PAD-HEIGHT);
if (odd%2) {
int i;
for (i=1; i<5; i++) {
vik_viewport_draw_line(vvp, vvp->scale_bg_gc,
PAD+i*len/5, vvp->height-PAD, PAD+i*len/5, vvp->height-PAD-((i==5)?(2*HEIGHT/3):(HEIGHT/2)));
vik_viewport_draw_line(vvp, gtk_widget_get_style(GTK_WIDGET(&vvp->drawing_area))->black_gc,
PAD+i*len/5, vvp->height-PAD, PAD+i*len/5, vvp->height-PAD-((i==5)?(2*HEIGHT/3):(HEIGHT/2)));
}
} else {
int i;
for (i=1; i<10; i++) {
vik_viewport_draw_line(vvp, vvp->scale_bg_gc,
PAD+i*len/10, vvp->height-PAD, PAD+i*len/10, vvp->height-PAD-((i==5)?(2*HEIGHT/3):(HEIGHT/2)));
vik_viewport_draw_line(vvp, gtk_widget_get_style(GTK_WIDGET(&vvp->drawing_area))->black_gc,
PAD+i*len/10, vvp->height-PAD, PAD+i*len/10, vvp->height-PAD-((i==5)?(2*HEIGHT/3):(HEIGHT/2)));
}
}
pl = gtk_widget_create_pango_layout (GTK_WIDGET(&vvp->drawing_area), NULL);
pango_layout_set_font_description (pl, gtk_widget_get_style(GTK_WIDGET(&vvp->drawing_area))->font_desc);
switch (dist_units) {
case VIK_UNITS_DISTANCE_KILOMETRES:
if (unit >= 1000) {
sprintf(s, "%d km", (int)unit/1000);
} else {
sprintf(s, "%d m", (int)unit);
}
break;
case VIK_UNITS_DISTANCE_MILES:
// Handle units in 0.1 miles
if (unit < 10.0) {
sprintf(s, "%0.1f miles", unit/10.0);
}
else if ((int)unit == 10.0) {
sprintf(s, "1 mile");
}
else {
sprintf(s, "%d miles", (int)(unit/10.0));
}
break;
default:
g_critical("Houston, we've had a problem. distance=%d", dist_units);
}
pango_layout_set_text(pl, s, -1);
vik_viewport_draw_layout(vvp, gtk_widget_get_style(GTK_WIDGET(&vvp->drawing_area))->black_gc,
PAD + len + PAD, vvp->height - PAD - 10, pl);
g_object_unref(pl);
pl = NULL;
}
}
/**
* table_output:
*
* Update the given widgets table with the values from the track stats
*/
static void table_output ( track_stats ts, GtkWidget *content[], gboolean extended )
{
int cnt = 0;
gchar tmp_buf[64];
g_snprintf ( tmp_buf, sizeof(tmp_buf), "%d", ts.count );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
if ( ts.count == 0 ) {
// Blank all other fields
g_snprintf ( tmp_buf, sizeof(tmp_buf), "--" );
for ( cnt = 1; cnt < G_N_ELEMENTS(label_texts); cnt++ )
gtk_label_set_text ( GTK_LABEL(content[cnt]), tmp_buf );
return;
}
// Check for potential date range
// Test if the same day by comparing the date string of the timestamp
GDate* gdate_start = g_date_new ();
g_date_set_time_t ( gdate_start, ts.start_time );
gchar time_start[32];
g_date_strftime ( time_start, sizeof(time_start), "%x", gdate_start );
g_date_free ( gdate_start );
GDate* gdate_end = g_date_new ();
g_date_set_time_t ( gdate_end, ts.end_time );
gchar time_end[32];
g_date_strftime ( time_end, sizeof(time_end), "%x", gdate_end );
g_date_free ( gdate_end );
if ( ts.start_time == ts.end_time )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("No Data") );
else if ( strncmp(time_start, time_end, 32) )
g_snprintf ( tmp_buf, sizeof(tmp_buf), "%s --> %s", time_start, time_end );
else
g_snprintf ( tmp_buf, sizeof(tmp_buf), "%s", time_start );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
switch (a_vik_get_units_distance ()) {
case VIK_UNITS_DISTANCE_MILES:
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%.1f miles"), VIK_METERS_TO_MILES(ts.length) );
break;
case VIK_UNITS_DISTANCE_NAUTICAL_MILES:
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%.1f NM"), VIK_METERS_TO_NAUTICAL_MILES(ts.length) );
break;
default:
//VIK_UNITS_DISTANCE_KILOMETRES
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%.1f km"), ts.length/1000.0 );
break;
}
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
switch (a_vik_get_units_distance ()) {
case VIK_UNITS_DISTANCE_MILES:
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%.2f miles"), (VIK_METERS_TO_MILES(ts.length)/ts.count) );
break;
case VIK_UNITS_DISTANCE_NAUTICAL_MILES:
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%.2f NM"), (VIK_METERS_TO_NAUTICAL_MILES(ts.length)/ts.count) );
break;
default:
//VIK_UNITS_DISTANCE_KILOMETRES
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%.2f km"), ts.length/(1000.0*ts.count) );
break;
}
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
if ( extended ) {
// Note that this currently is a simplified approach to calculate the Eddington number.
// In that a per track value is used, rather than trying to work out a length per day.
// (i.e. doesn't combine multiple tracks for a single day or split very long tracks into days)
tracks_stats[TS_TRACKS].e_list = g_list_sort ( tracks_stats[TS_TRACKS].e_list, rsort_by_distance );
guint Eddington = 0;
guint position = 0;
for (GList *iter = g_list_first (tracks_stats[TS_TRACKS].e_list); iter != NULL; iter = g_list_next (iter)) {
position++;
gdouble *num = (gdouble*)iter->data;
if ( *num > position )
Eddington = position;
}
g_snprintf ( tmp_buf, sizeof(tmp_buf), ("%d"), Eddington );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
} else
cnt++;
// I'm sure this could be cleaner...
g_snprintf ( tmp_buf, sizeof(tmp_buf), "--" );
switch (a_vik_get_units_speed()) {
case VIK_UNITS_SPEED_MILES_PER_HOUR:
if ( ts.max_speed > 0 )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%.1f mph"), (double)VIK_MPS_TO_MPH(ts.max_speed) );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
if ( ts.duration > 0 )
g_snprintf ( tmp_buf, sizeof(tmp_buf), ("%.1f mph"), (double)VIK_MPS_TO_MPH(ts.length/ts.duration) );
else
g_snprintf ( tmp_buf, sizeof(tmp_buf), "--" );
break;
case VIK_UNITS_SPEED_METRES_PER_SECOND:
if ( ts.max_speed > 0 )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%.2f m/s"), (double)ts.max_speed );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
if ( ts.duration > 0 )
g_snprintf ( tmp_buf, sizeof(tmp_buf), ("%.2f m/s"), (double)(ts.length/ts.duration) );
else
g_snprintf ( tmp_buf, sizeof(tmp_buf), "--" );
break;
case VIK_UNITS_SPEED_KNOTS:
if ( ts.max_speed > 0 )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%.2f knots"), (double)VIK_MPS_TO_KNOTS(ts.max_speed) );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
if ( ts.duration > 0 )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%.2f knots"), (double)VIK_MPS_TO_KNOTS(ts.length/ts.duration) );
else
g_snprintf ( tmp_buf, sizeof(tmp_buf), "--" );
break;
case VIK_UNITS_SPEED_SECONDS_PER_KM:
if ( ts.max_speed > 0 )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%d s/km"), (int)VIK_MPS_TO_PACE_SPK(ts.max_speed) );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
if ( ts.duration > 0 )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%d s/km"), (int)VIK_MPS_TO_PACE_SPK(ts.length/ts.duration) );
else
g_snprintf ( tmp_buf, sizeof(tmp_buf), "--" );
break;
case VIK_UNITS_SPEED_MINUTES_PER_KM:
if ( ts.max_speed > 0 )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%.1f min/km"), (double)VIK_MPS_TO_PACE_MPK(ts.max_speed) );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
if ( ts.duration > 0 )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%.1f min/km"), (double)VIK_MPS_TO_PACE_MPK(ts.length/ts.duration) );
else
g_snprintf ( tmp_buf, sizeof(tmp_buf), "--" );
break;
case VIK_UNITS_SPEED_SECONDS_PER_MILE:
if ( ts.max_speed > 0 )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%d sec/mi"), (int)VIK_MPS_TO_PACE_SPM(ts.max_speed) );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
if ( ts.duration > 0 )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%d sec/mi"), (int)VIK_MPS_TO_PACE_SPM(ts.length/ts.duration) );
else
g_snprintf ( tmp_buf, sizeof(tmp_buf), "--" );
break;
case VIK_UNITS_SPEED_MINUTES_PER_MILE:
if ( ts.max_speed > 0 )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%.1f min/mi"), (double)VIK_MPS_TO_PACE_MPM(ts.max_speed) );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
if ( ts.duration > 0 )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%.1f min/mi"), (double)VIK_MPS_TO_PACE_MPM(ts.length/ts.duration) );
else
g_snprintf ( tmp_buf, sizeof(tmp_buf), "--" );
break;
default:
//VIK_UNITS_SPEED_KILOMETRES_PER_HOUR:
if ( ts.max_speed > 0 )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%.2f km/h"), (double)VIK_MPS_TO_KPH(ts.max_speed) );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
if ( ts.duration > 0 )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%.2f km/h"), (double)VIK_MPS_TO_KPH(ts.length/ts.duration) );
else
g_snprintf ( tmp_buf, sizeof(tmp_buf), "--" );
break;
}
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
switch ( a_vik_get_units_height() ) {
// Note always round off height value output since sub unit accuracy is overkill
case VIK_UNITS_HEIGHT_FEET:
if ( ts.min_alt != VIK_VAL_MIN_ALT )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%d feet"), (int)round(VIK_METERS_TO_FEET(ts.min_alt)) );
else
g_snprintf ( tmp_buf, sizeof(tmp_buf), "--" );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
if ( ts.max_alt != VIK_VAL_MAX_ALT )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%d feet"), (int)round(VIK_METERS_TO_FEET(ts.max_alt)) );
else
g_snprintf ( tmp_buf, sizeof(tmp_buf), "--" );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%d feet / %d feet"), (int)round(VIK_METERS_TO_FEET(ts.elev_gain)), (int)round(VIK_METERS_TO_FEET(ts.elev_loss)) );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%d feet / %d feet"), (int)round(VIK_METERS_TO_FEET(ts.elev_gain/ts.count)), (int)round(VIK_METERS_TO_FEET(ts.elev_loss/ts.count)) );
break;
default:
//VIK_UNITS_HEIGHT_METRES
if ( ts.min_alt != VIK_VAL_MIN_ALT )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%d m"), (int)round(ts.min_alt) );
else
g_snprintf ( tmp_buf, sizeof(tmp_buf), "--" );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
if ( ts.max_alt != VIK_VAL_MAX_ALT )
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%d m"), (int)round(ts.max_alt) );
else
g_snprintf ( tmp_buf, sizeof(tmp_buf), "--" );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%d m / %d m"), (int)round(ts.elev_gain), (int)round(ts.elev_loss) );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%d m / %d m"), (int)round(ts.elev_gain/ts.count), (int)round(ts.elev_loss/ts.count) );
break;
}
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
gint hours;
gint minutes;
gint days;
// Total Duration
days = (gint)(ts.duration / (60*60*24));
hours = (gint)floor((ts.duration - (days*60*60*24)) / (60*60));
minutes = (gint)((ts.duration - (days*60*60*24) - (hours*60*60)) / 60);
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%d:%02d:%02d days:hrs:mins"), days, hours, minutes );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
// Average Duration
gint avg_dur = ts.duration / ts.count;
hours = (gint)floor(avg_dur / (60*60));
minutes = (gint)((avg_dur - (hours*60*60)) / 60);
g_snprintf ( tmp_buf, sizeof(tmp_buf), _("%d:%02d hrs:mins"), hours, minutes );
gtk_label_set_text ( GTK_LABEL(content[cnt++]), tmp_buf );
}