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Only give ICD warning if pN2 increases

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as otherwise there are warning on the descent.

The ICD line in the info box is generated for all
gas switches with decreasing He content.

Also change the presentation in the info box to align it
with the notes.

Signed-off-by: Robert C. Helling <helling@atdotde.de>
This commit is contained in:
Robert C. Helling 2018-01-20 21:39:38 +01:00
parent 0d103b456c
commit c89cfcccbe
3 changed files with 11 additions and 5 deletions
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3
CHANGELOG.md
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@ -1,4 +1,5 @@
- Warn in case of isobaric counter diffusion
- Warn in case of isobaric counter diffusion if N2 increas is more than
20% of He decrease.
- Desktop: Automatically sync with cloud when going online
- Small UI fixes
- Fix bug when using remembered BT/BLE addresses in dive computer download

2
core/dive.c
View file

@ -1184,7 +1184,7 @@ bool isobaric_counterdiffusion(struct gasmix *oldgasmix, struct gasmix *newgasmi
{
results->dN2 = get_he(oldgasmix) + get_o2(oldgasmix) - get_he(newgasmix) - get_o2(newgasmix);
results->dHe = get_he(newgasmix) - get_he(oldgasmix);
return get_he(oldgasmix) && results->dN2 > 0 && 5 * results->dN2 > -results->dHe;
return get_he(oldgasmix) > 0 && results->dN2 > 0 && results->dHe < 0 && get_he(oldgasmix) && results->dN2 > 0 && 5 * results->dN2 > -results->dHe;
}
/* some events should never be thrown away */

11
profile-widget/diveeventitem.cpp
View file

@ -166,6 +166,7 @@ void DiveEventItem::setupToolTipString(struct gasmix *lastgasmix)
int type = internalEvent->type;
if (event_is_gaschange(internalEvent)) {
struct icd_data icd_data;
struct gasmix *mix = get_gasmix_from_event(&displayed_dive, internalEvent);
name += ": ";
name += gasname(mix);
@ -173,9 +174,13 @@ void DiveEventItem::setupToolTipString(struct gasmix *lastgasmix)
/* Do we have an explicit cylinder index? Show it. */
if (internalEvent->gas.index >= 0)
name += tr(" (cyl. %1)").arg(internalEvent->gas.index + 1);
icd_data icd_data;
if (isobaric_counterdiffusion(lastgasmix, mix, &icd_data))
name += tr("\nICD ΔN2/ΔHe=%1/%2=%3%").arg(icd_data.dN2 / 10).arg(-icd_data.dHe / 10).arg((-100 * icd_data.dN2 / icd_data.dHe));
bool icd = isobaric_counterdiffusion(lastgasmix, mix, &icd_data);
if (icd_data.dHe < 0) {
if (icd)
name += tr("\nICD: ΔHe=%1% ΔN₂=%2%>%3%").arg(icd_data.dHe / 10).arg(icd_data.dN2 / 10).arg(-icd_data.dHe / 50);
else
name += tr("\nICD: ΔHe=%1% ΔN₂=%2%<%3%").arg(icd_data.dHe / 10).arg(icd_data.dN2 / 10).arg(-icd_data.dHe / 50);
}
*lastgasmix = *mix;
} else if (value) {
if (type == SAMPLE_EVENT_PO2 && same_string(internalEvent->name, "SP change")) {