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Planner: don't track cylinder pressure if working pressure is 0

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The pressure graph will go from 0 to negative - one could make a weak
argument that this would at least tell you how much pressure you'd need in
the cylinder to start with, but that's kinda lame.

Fixes #615

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2014-07-16 23:04:30 -07:00
parent 387553f0b3
commit 912560f928
2 changed files with 5 additions and 4 deletions
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2
equipment.c
View file

@ -243,7 +243,7 @@ void reset_cylinders(struct dive *dive, bool track_gas)
continue; continue;
if (cyl->depth.mm == 0) /* if the gas doesn't give a mod, assume conservative pO2 */ if (cyl->depth.mm == 0) /* if the gas doesn't give a mod, assume conservative pO2 */
cyl->depth = gas_mod(&cyl->gasmix, pO2, M_OR_FT(3,10)); cyl->depth = gas_mod(&cyl->gasmix, pO2, M_OR_FT(3,10));
if (track_gas && cyl->type.workingpressure.mbar) if (track_gas)
cyl->start.mbar = cyl->end.mbar = cyl->type.workingpressure.mbar; cyl->start.mbar = cyl->end.mbar = cyl->type.workingpressure.mbar;
cyl->gas_used.mliter = 0; cyl->gas_used.mliter = 0;
cyl->deco_gas_used.mliter = 0; cyl->deco_gas_used.mliter = 0;

7
planner.c
View file

@ -275,7 +275,7 @@ static void create_dive_from_plan(struct diveplan *diveplan, bool track_gas)
oldgasmix = cyl->gasmix; oldgasmix = cyl->gasmix;
sample = prepare_sample(dc); sample = prepare_sample(dc);
sample->po2.mbar = dp->po2; sample->po2.mbar = dp->po2;
if (track_gas) if (track_gas && cyl->type.workingpressure.mbar)
sample->cylinderpressure.mbar = cyl->end.mbar; sample->cylinderpressure.mbar = cyl->end.mbar;
finish_sample(dc); finish_sample(dc);
while (dp) { while (dp) {
@ -315,7 +315,7 @@ static void create_dive_from_plan(struct diveplan *diveplan, bool track_gas)
sample[-1].po2.mbar = po2; sample[-1].po2.mbar = po2;
sample->time.seconds = lasttime + 1; sample->time.seconds = lasttime + 1;
sample->depth.mm = lastdepth; sample->depth.mm = lastdepth;
if (track_gas) if (track_gas && cyl->type.workingpressure.mbar)
sample->cylinderpressure.mbar = cyl->sample_end.mbar; sample->cylinderpressure.mbar = cyl->sample_end.mbar;
finish_sample(dc); finish_sample(dc);
oldgasmix = gasmix; oldgasmix = gasmix;
@ -331,7 +331,8 @@ static void create_dive_from_plan(struct diveplan *diveplan, bool track_gas)
if (track_gas) { if (track_gas) {
update_cylinder_pressure(&displayed_dive, sample[-1].depth.mm, depth, time - sample[-1].time.seconds, update_cylinder_pressure(&displayed_dive, sample[-1].depth.mm, depth, time - sample[-1].time.seconds,
dp->entered ? diveplan->bottomsac : diveplan->decosac, cyl, !dp->entered); dp->entered ? diveplan->bottomsac : diveplan->decosac, cyl, !dp->entered);
sample->cylinderpressure.mbar = cyl->end.mbar; if (cyl->type.workingpressure.mbar)
sample->cylinderpressure.mbar = cyl->end.mbar;
} }
finish_sample(dc); finish_sample(dc);
dp = dp->next; dp = dp->next;