diff options
Diffstat (limited to 'subsurface-core/dive.c')
| -rw-r--r-- | subsurface-core/dive.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/subsurface-core/dive.c b/subsurface-core/dive.c index b7beadce5..f6fbc3261 100644 --- a/subsurface-core/dive.c +++ b/subsurface-core/dive.c @@ -973,10 +973,15 @@ void sanitize_gasmix(struct gasmix *mix) /* * See if the size/workingpressure looks like some standard cylinder * size, eg "AL80". + * + * NOTE! We don't take compressibility into account when naming + * cylinders. That makes a certain amount of sense, since the + * cylinder name is independent from the gasmix, and different + * gasmixes have different compressibility. */ static void match_standard_cylinder(cylinder_type_t *type) { - double cuft; + double cuft, bar; int psi, len; const char *fmt; char buffer[40], *p; @@ -985,8 +990,9 @@ static void match_standard_cylinder(cylinder_type_t *type) if (type->description) return; + bar = type->workingpressure.mbar / 1000.0; cuft = ml_to_cuft(type->size.mliter); - cuft *= surface_volume_multiplier(type->workingpressure); + cuft *= bar_to_atm(bar); psi = to_PSI(type->workingpressure); switch (psi) { @@ -1040,10 +1046,11 @@ static void sanitize_cylinder_type(cylinder_type_t *type) return; if (xml_parsing_units.volume == CUFT) { + double bar = type->workingpressure.mbar / 1000.0; /* confusing - we don't really start from ml but millicuft !*/ volume_of_air = cuft_to_l(type->size.mliter); - /* milliliters at 1 atm: "true size" */ - volume = volume_of_air / surface_volume_multiplier(type->workingpressure); + /* milliliters at 1 atm: not corrected for compressibility! */ + volume = volume_of_air / bar_to_atm(bar); type->size.mliter = rint(volume); } |