diff options
Diffstat (limited to 'profile.c')
| -rw-r--r-- | profile.c | 19 |
1 files changed, 14 insertions, 5 deletions
@@ -513,7 +513,7 @@ static void plot_single_temp_text(struct graphics_context *gc, int sec, int mkel { double deg; const char *unit; - static const text_render_options_t tro = {12, 0.2, 0.2, 1.0, LEFT, TOP}; + static const text_render_options_t tro = {12, 0.6, 0.6, 1.0, LEFT, TOP}; deg = get_temp_units(mkelvin, &unit); @@ -523,7 +523,7 @@ static void plot_single_temp_text(struct graphics_context *gc, int sec, int mkel static void plot_temperature_text(struct graphics_context *gc, struct plot_info *pi) { int i; - int last = 0, sec = 0; + int last = -300, sec = 0; int last_temperature = 0, last_printed_temp = 0; if (!setup_temperature_limits(gc, pi)) @@ -537,14 +537,23 @@ static void plot_temperature_text(struct graphics_context *gc, struct plot_info continue; last_temperature = mkelvin; sec = entry->sec; - if (sec < last + 300) + /* don't print a temperature + * if it's been less than 5min and less than a 2K change OR + * if it's been less than 2min OR if the change from the + * last print is less than .4K (and therefore less than 1F */ + if (((sec < last + 300) && (abs(mkelvin - last_printed_temp) < 2000)) || + (sec < last + 120) || + (abs(mkelvin - last_printed_temp) < 400)) continue; last = sec; plot_single_temp_text(gc,sec,mkelvin); last_printed_temp = mkelvin; } - /* it would be nice to print the end temperature, if it's different */ - if (abs(last_temperature - last_printed_temp) > 500) + /* it would be nice to print the end temperature, if it's + * different or if the last temperature print has been more + * than a quarter of the dive back */ + if ((abs(last_temperature - last_printed_temp) > 500) || + ((double)last / (double)sec < 0.75)) plot_single_temp_text(gc, sec, last_temperature); } |