コード例 #1
0
ファイル: profile.c プロジェクト: Saurarora/subsurface
/* Get local sac-rate (in ml/min) between entry1 and entry2 */
static int get_local_sac(struct plot_data *entry1, struct plot_data *entry2, struct dive *dive)
{
	int index = entry1->cylinderindex;
	cylinder_t *cyl;
	int duration = entry2->sec - entry1->sec;
	int depth, airuse;
	pressure_t a, b;
	double atm;

	if (entry2->cylinderindex != index)
		return 0;
	if (duration <= 0)
		return 0;
	a.mbar = GET_PRESSURE(entry1);
	b.mbar = GET_PRESSURE(entry2);
	if (!b.mbar || a.mbar <= b.mbar)
		return 0;

	/* Mean pressure in ATM */
	depth = (entry1->depth + entry2->depth) / 2;
	atm = depth_to_atm(depth, dive);

	cyl = dive->cylinder + index;

	airuse = gas_volume(cyl, a) - gas_volume(cyl, b);

	/* milliliters per minute */
	return airuse / atm * 60 / duration;
}
コード例 #2
0
ファイル: profile.c プロジェクト: Saurarora/subsurface
/*
 * Calculate the sac rate between the two plot entries 'first' and 'last'.
 *
 * Everything in between has a cylinder pressure, and it's all the same
 * cylinder.
 */
static int sac_between(struct dive *dive, struct plot_data *first, struct plot_data *last)
{
	int airuse;
	double pressuretime;
	pressure_t a, b;
	cylinder_t *cyl;

	if (first == last)
		return 0;

	/* Calculate air use - trivial */
	a.mbar = GET_PRESSURE(first);
	b.mbar = GET_PRESSURE(last);
	cyl = dive->cylinder + first->cylinderindex;
	airuse = gas_volume(cyl, a) - gas_volume(cyl, b);
	if (airuse <= 0)
		return 0;

	/* Calculate depthpressure integrated over time */
	pressuretime = 0.0;
	do {
		int depth = (first[0].depth + first[1].depth) / 2;
		int time = first[1].sec - first[0].sec;
		double atm = depth_to_atm(depth, dive);

		pressuretime += atm * time;
	} while (++first < last);

	/* Turn "atmseconds" into "atmminutes" */
	pressuretime /= 60;

	/* SAC = mliter per minute */
	return rint(airuse / pressuretime);
}
コード例 #3
0
ファイル: planner.c プロジェクト: 7modelsan/subsurface
/* calculate the new end pressure of the cylinder, based on its current end pressure and the
 * latest segment. */
static void update_cylinder_pressure(struct dive *d, int old_depth, int new_depth, int duration, int sac, cylinder_t *cyl, bool in_deco)
{
	volume_t gas_used;
	pressure_t delta_p;
	depth_t mean_depth;

	if (!cyl)
		return;
	mean_depth.mm = (old_depth + new_depth) / 2;
	gas_used.mliter = depth_to_atm(mean_depth.mm, d) * sac / 60 * duration;
	cyl->gas_used.mliter += gas_used.mliter;
	if (in_deco)
		cyl->deco_gas_used.mliter += gas_used.mliter;
	if (cyl->type.size.mliter) {
		delta_p.mbar = gas_used.mliter * 1000.0 / cyl->type.size.mliter;
		cyl->end.mbar -= delta_p.mbar;
	}
}
コード例 #4
0
ファイル: planner.c プロジェクト: 7modelsan/subsurface
static void add_plan_to_notes(struct diveplan *diveplan, struct dive *dive, bool show_disclaimer)
{
	char buffer[20000], temp[1000];
	int len, lastdepth = 0, lasttime = 0;
	struct divedatapoint *dp = diveplan->dp;
	bool gaschange = !plan_verbatim;
	struct divedatapoint *nextdp = NULL;

	disclaimer =  translate("gettextFromC", "DISCLAIMER / WARNING: THIS IS A NEW IMPLEMENTATION OF THE BUHLMANN "
				"ALGORITHM AND A DIVE PLANNER IMPLEMENTION BASED ON THAT WHICH HAS "
				"RECEIVED ONLY A LIMITED AMOUNT OF TESTING. WE STRONGLY RECOMMEND NOT TO "
				"PLAN DIVES SIMPLY BASED ON THE RESULTS GIVEN HERE.");

	if (!dp)
		return;

	len = show_disclaimer ? snprintf(buffer, sizeof(buffer), "<div><b>%s<b></div><br>", disclaimer) : 0;
	snprintf(temp, sizeof(temp), translate("gettextFromC", "based on GFlow = %d and GFhigh = %d"),
		 diveplan->gflow, diveplan->gfhigh);
	len += snprintf(buffer + len, sizeof(buffer) - len, "<div><b>%s</b><br>%s</div><br>",
			translate("gettextFromC", "Subsurface dive plan"), temp);

	if (!plan_verbatim) {
		len += snprintf(buffer + len, sizeof(buffer) - len, "<div><table><thead><tr><th>%s</th>",
				translate("gettextFromC", "depth"));
		if (plan_display_runtime)
			len += snprintf(buffer + len, sizeof(buffer) - len, "<th style='padding-left: 10px;'>%s</th>",
					translate("gettextFromC", "runtime"));
		if (plan_display_duration)
			len += snprintf(buffer + len, sizeof(buffer) - len, "<th style='padding-left: 10px;'>%s</th>",
					translate("gettextFromC", "duration"));
		len += snprintf(buffer + len, sizeof(buffer) - len,
				"<th style='padding-left: 10px; float: left;'>%s</th></tr></thead><tbody style='float: left;'>",
				translate("gettextFromC", "gas"));
	}
	do {
		struct gasmix gasmix, newgasmix = {};
		const char *depth_unit;
		double depthvalue;
		int decimals;

		if (dp->time == 0)
			continue;
		gasmix = dp->gasmix;
		depthvalue = get_depth_units(dp->depth, &decimals, &depth_unit);
		/* analyze the dive points ahead */
		nextdp = dp->next;
		while (nextdp && nextdp->time == 0)
			nextdp = nextdp->next;
		if (nextdp)
			newgasmix = nextdp->gasmix;
		/* do we want to skip this leg as it is devoid of anything useful? */
		if (!dp->entered &&
		    gasmix_distance(&gasmix, &newgasmix) == 0 &&
		    nextdp &&
		    dp->depth != lastdepth &&
		    nextdp->depth != dp->depth)
			continue;
		if (dp->time - lasttime < 10 && !(gaschange && dp->next && dp->depth != dp->next->depth))
			continue;

		len = strlen(buffer);
		if (nextdp && gasmix_distance(&gasmix, &newgasmix))
			gaschange = true;
		if (plan_verbatim) {
			if (dp->depth != lastdepth) {
				if (plan_display_transitions || dp->entered || !dp->next || (gaschange && dp->next && dp->depth != nextdp->depth)) {
					snprintf(temp, sizeof(temp), translate("gettextFromC", "Transition to %.*f %s in %d:%02d min - runtime %d:%02u on %s"),
						 decimals, depthvalue, depth_unit,
						 FRACTION(dp->time - lasttime, 60),
						 FRACTION(dp->time, 60),
						 gasname(&gasmix));
					len += snprintf(buffer + len, sizeof(buffer) - len, "%s<br>", temp);
					lasttime = dp->time;
				}
			} else {
				if (dp->depth != nextdp->depth) {
					snprintf(temp, sizeof(temp), translate("gettextFromC", "Stay at %.*f %s for %d:%02d min - runtime %d:%02u on %s"),
							decimals, depthvalue, depth_unit,
							FRACTION(dp->time - lasttime, 60),
							FRACTION(dp->time, 60),
							gasname(&gasmix));
					len += snprintf(buffer + len, sizeof(buffer) - len, "%s<br>", temp);
					lasttime = dp->time;
				}
			}
		} else {
			if ((dp->depth == lastdepth && dp->depth != nextdp->depth) || plan_display_transitions || dp->entered || !dp->next || (gaschange && dp->next && dp->depth != nextdp->depth)) {
				snprintf(temp, sizeof(temp), translate("gettextFromC", "%3.0f%s"), depthvalue, depth_unit);
				len += snprintf(buffer + len, sizeof(buffer) - len, "<tr><td style='padding-left: 10px; float: right;'>%s</td>", temp);
				if (plan_display_runtime) {
					snprintf(temp, sizeof(temp), translate("gettextFromC", "%3dmin"), (dp->time + 30) / 60);
					len += snprintf(buffer + len, sizeof(buffer) - len, "<td style='padding-left: 10px; float: right;'>%s</td>", temp);
				}
				if (plan_display_duration) {
					snprintf(temp, sizeof(temp), translate("gettextFromC", "%3dmin"), (dp->time - lasttime + 30) / 60);
					len += snprintf(buffer + len, sizeof(buffer) - len, "<td style='padding-left: 10px; float: right;'>%s</td>", temp);
				}
				if (gaschange) {
					len += snprintf(buffer + len, sizeof(buffer) - len, "<td style='padding-left: 10px; color: red; float: left;'><b>%s</b></td>", gasname(&newgasmix));
					gaschange = false;
				} else {
					len += snprintf(buffer + len, sizeof(buffer) - len, "<td>&nbsp;</td>");
				}
				len += snprintf(buffer + len, sizeof(buffer) - len, "</tr>");
				lasttime = dp->time;
			}
		}
		if (gaschange) {
			// gas switch at this waypoint
			if (plan_verbatim) {
				snprintf(temp, sizeof(temp), translate("gettextFromC", "Switch gas to %s"), gasname(&newgasmix));
				len += snprintf(buffer + len, sizeof(buffer) - len, "%s<br>", temp);
				gaschange = false;
			}
			gasmix = newgasmix;
		}
		lastdepth = dp->depth;
	} while ((dp = nextdp) != NULL);
	len += snprintf(buffer + len, sizeof(buffer) - len, "</tbody></table></div>");

	dive->cns = 0;
	dive->maxcns = 0;
	update_cylinder_related_info(dive);
	snprintf(temp, sizeof(temp), "%s", translate("gettextFromC", "CNS"));
	len += snprintf(buffer + len, sizeof(buffer) - len, "<div><br>%s: %i%%", temp, dive->cns);
	snprintf(temp, sizeof(temp), "%s", translate("gettextFromC", "OTU"));
	len += snprintf(buffer + len, sizeof(buffer) - len, "<br>%s: %i</div>", temp, dive->otu);

	snprintf(temp, sizeof(temp), "%s", translate("gettextFromC", "Gas consumption:"));
	len += snprintf(buffer + len, sizeof(buffer) - len, "<div><br>%s<br>", temp);
	for (int gasidx = 0; gasidx < MAX_CYLINDERS; gasidx++) {
		double volume, pressure, deco_volume, deco_pressure;
		const char *unit, *pressure_unit;
		char warning[1000] = "";
		cylinder_t *cyl = &dive->cylinder[gasidx];
		if (cylinder_none(cyl))
			break;

		volume = get_volume_units(cyl->gas_used.mliter, NULL, &unit);
		deco_volume = get_volume_units(cyl->deco_gas_used.mliter, NULL, &unit);
		if (cyl->type.size.mliter) {
			deco_pressure = get_pressure_units(1000.0 * cyl->deco_gas_used.mliter / cyl->type.size.mliter, &pressure_unit);
			pressure = get_pressure_units(1000.0 * cyl->gas_used.mliter / cyl->type.size.mliter, &pressure_unit);
			/* Warn if the plan uses more gas than is available in a cylinder
			 * This only works if we have working pressure for the cylinder
			 * 10bar is a made up number - but it seemed silly to pretend you could breathe cylinder down to 0 */
			if (cyl->end.mbar < 10000)
				snprintf(warning, sizeof(warning), " &mdash; <span style='color: red;'>%s </span> %s",
					translate("gettextFromC", "Warning:"),
					translate("gettextFromC", "this is more gas than available in the specified cylinder!"));
			else
				if ((float) cyl->end.mbar * cyl->type.size.mliter / 1000.0 < (float) cyl->deco_gas_used.mliter)
					snprintf(warning, sizeof(warning), " &mdash; <span style='color: red;'>%s </span> %s",
						translate("gettextFromC", "Warning:"),
						translate("gettextFromC", "not enough reserve for gas sharing on ascent!"));

			snprintf(temp, sizeof(temp), translate("gettextFromC", "%.0f%s/%.0f%s of %s (%.0f%s/%.0f%s in planned ascent)"), volume, unit, pressure, pressure_unit, gasname(&cyl->gasmix), deco_volume, unit, deco_pressure, pressure_unit);
		} else {
			snprintf(temp, sizeof(temp), translate("gettextFromC", "%.0f%s (%.0f%s during planned ascent) of %s"), volume, unit, deco_volume, unit, gasname(&cyl->gasmix));
		}
		len += snprintf(buffer + len, sizeof(buffer) - len, "%s%s<br>", temp, warning);
	}
	dp = diveplan->dp;
	while (dp) {
		if (dp->time != 0) {
			int pO2 = depth_to_atm(dp->depth, dive) * get_o2(&dp->gasmix);

			if (pO2 > (dp->entered ? prefs.bottompo2 : prefs.decopo2)) {
				const char *depth_unit;
				int decimals;
				double depth_value = get_depth_units(dp->depth, &decimals, &depth_unit);
				len = strlen(buffer);
				snprintf(temp, sizeof(temp),
					 translate("gettextFromC", "high pO₂ value %.2f at %d:%02u with gas %s at depth %.*f %s"),
					 pO2 / 1000.0, FRACTION(dp->time, 60), gasname(&dp->gasmix), decimals, depth_value, depth_unit);
				len += snprintf(buffer + len, sizeof(buffer) - len, "<span style='color: red;'>%s </span> %s<br>",
						translate("gettextFromC", "Warning:"), temp);
			}
		}
		dp = dp->next;
	}
	snprintf(buffer + len, sizeof(buffer) - len, "</div>");
	dive->notes = strdup(buffer);
}
コード例 #5
0
ファイル: planner.c プロジェクト: krisalpha/subsurface
static void add_plan_to_notes(struct diveplan *diveplan, struct dive *dive, bool show_disclaimer, int error)
{
	const unsigned int sz_buffer = 2000000;
	const unsigned int sz_temp = 100000;
	char *buffer = (char *)malloc(sz_buffer);
	char *temp = (char *)malloc(sz_temp);
	char buf[1000], *deco;
	int len, lastdepth = 0, lasttime = 0, lastsetpoint = -1, newdepth = 0, lastprintdepth = 0, lastprintsetpoint = -1;
	struct gasmix lastprintgasmix = { -1, -1 };
	struct divedatapoint *dp = diveplan->dp;
	bool gaschange_after = !plan_verbatim;
	bool gaschange_before;
	bool lastentered;
	struct divedatapoint *nextdp = NULL;

	plan_verbatim = prefs.verbatim_plan;
	plan_display_runtime = prefs.display_runtime;
	plan_display_duration = prefs.display_duration;
	plan_display_transitions = prefs.display_transitions;

	if (prefs.deco_mode == VPMB) {
		deco = "VPM-B";
	} else {
		deco = "BUHLMANN";
	}

	snprintf(buf, sizeof(buf), translate("gettextFromC", "DISCLAIMER / WARNING: THIS IS A NEW IMPLEMENTATION OF THE %s "
				"ALGORITHM AND A DIVE PLANNER IMPLEMENTATION BASED ON THAT WHICH HAS "
				"RECEIVED ONLY A LIMITED AMOUNT OF TESTING. WE STRONGLY RECOMMEND NOT TO "
				"PLAN DIVES SIMPLY BASED ON THE RESULTS GIVEN HERE."), deco);
	disclaimer = buf;

	if (!dp) {
		free((void *)buffer);
		free((void *)temp);
		return;
	}

	if (error) {
		snprintf(temp, sz_temp, "%s",
			 translate("gettextFromC", "Decompression calculation aborted due to excessive time"));
		snprintf(buffer, sz_buffer, "<span style='color: red;'>%s </span> %s<br>",
				translate("gettextFromC", "Warning:"), temp);
		dive->notes = strdup(buffer);

		free((void *)buffer);
		free((void *)temp);
		return;
	}

	len = show_disclaimer ? snprintf(buffer, sz_buffer, "<div><b>%s<b></div><br>", disclaimer) : 0;
	if (prefs.deco_mode == BUEHLMANN){
		snprintf(temp, sz_temp, translate("gettextFromC", "based on Buhlmann ZHL-16B with GFlow = %d and GFhigh = %d"),
			diveplan->gflow, diveplan->gfhigh);
	} else if (prefs.deco_mode == VPMB){
		snprintf(temp, sz_temp, "%s", translate("gettextFromC", "based on VPM-B"));
	} else if (prefs.deco_mode == RECREATIONAL){
		snprintf(temp, sz_temp, translate("gettextFromC", "recreational mode based on Buhlmann ZHL-16B with GFlow = %d and GFhigh = %d"),
			diveplan->gflow, diveplan->gfhigh);
	}
	len += snprintf(buffer + len, sz_buffer - len, "<div><b>%s</b><br>%s</div><br>",
			translate("gettextFromC", "Subsurface dive plan"), temp);

	if (!plan_verbatim) {
		len += snprintf(buffer + len, sz_buffer - len, "<div><table><thead><tr><th>%s</th>",
				translate("gettextFromC", "depth"));
		if (plan_display_duration)
			len += snprintf(buffer + len, sz_buffer - len, "<th style='padding-left: 10px;'>%s</th>",
					translate("gettextFromC", "duration"));
		if (plan_display_runtime)
			len += snprintf(buffer + len, sz_buffer - len, "<th style='padding-left: 10px;'>%s</th>",
					translate("gettextFromC", "runtime"));
		len += snprintf(buffer + len, sz_buffer - len,
				"<th style='padding-left: 10px; float: left;'>%s</th></tr></thead><tbody style='float: left;'>",
				translate("gettextFromC", "gas"));
	}
	do {
		struct gasmix gasmix, newgasmix = {};
		const char *depth_unit;
		double depthvalue;
		int decimals;
		bool isascent = (dp->depth < lastdepth);

		nextdp = dp->next;
		if (dp->time == 0)
			continue;
		gasmix = dp->gasmix;
		depthvalue = get_depth_units(dp->depth, &decimals, &depth_unit);
		/* analyze the dive points ahead */
		while (nextdp && nextdp->time == 0)
			nextdp = nextdp->next;
		if (nextdp)
			newgasmix = nextdp->gasmix;
		gaschange_after = (nextdp && (gasmix_distance(&gasmix, &newgasmix) || dp->setpoint != nextdp->setpoint));
		gaschange_before =  (gasmix_distance(&lastprintgasmix, &gasmix) || lastprintsetpoint != dp->setpoint);
		/* do we want to skip this leg as it is devoid of anything useful? */
		if (!dp->entered &&
		    nextdp &&
		    dp->depth != lastdepth &&
		    nextdp->depth != dp->depth &&
		    !gaschange_before &&
		    !gaschange_after)
			continue;
		if (dp->time - lasttime < 10 && !(gaschange_after && dp->next && dp->depth != dp->next->depth))
			continue;

		len = strlen(buffer);
		if (plan_verbatim) {
			/* When displaying a verbatim plan, we output a waypoint for every gas change.
			 * Therefore, we do not need to test for difficult cases that mean we need to
			 * print a segment just so we don't miss a gas change.  This makes the logic
			 * to determine whether or not to print a segment much simpler than  with the
			 * non-verbatim plan.
			 */
			if (dp->depth != lastprintdepth) {
				if (plan_display_transitions || dp->entered || !dp->next || (gaschange_after && dp->next && dp->depth != nextdp->depth)) {
					if (dp->setpoint)
						snprintf(temp, sz_temp, translate("gettextFromC", "Transition to %.*f %s in %d:%02d min - runtime %d:%02u on %s (SP = %.1fbar)"),
							 decimals, depthvalue, depth_unit,
							 FRACTION(dp->time - lasttime, 60),
							 FRACTION(dp->time, 60),
							 gasname(&gasmix),
							 (double) dp->setpoint / 1000.0);

					else
						snprintf(temp, sz_temp, translate("gettextFromC", "Transition to %.*f %s in %d:%02d min - runtime %d:%02u on %s"),
							 decimals, depthvalue, depth_unit,
							 FRACTION(dp->time - lasttime, 60),
							 FRACTION(dp->time, 60),
							 gasname(&gasmix));

					len += snprintf(buffer + len, sz_buffer - len, "%s<br>", temp);
				}
				newdepth = dp->depth;
				lasttime = dp->time;
			} else {
				if ((nextdp && dp->depth != nextdp->depth) || gaschange_after) {
					if (dp->setpoint)
						snprintf(temp, sz_temp, translate("gettextFromC", "Stay at %.*f %s for %d:%02d min - runtime %d:%02u on %s (SP = %.1fbar)"),
								decimals, depthvalue, depth_unit,
								FRACTION(dp->time - lasttime, 60),
								FRACTION(dp->time, 60),
								gasname(&gasmix),
								(double) dp->setpoint / 1000.0);
					else
						snprintf(temp, sz_temp, translate("gettextFromC", "Stay at %.*f %s for %d:%02d min - runtime %d:%02u on %s"),
								decimals, depthvalue, depth_unit,
								FRACTION(dp->time - lasttime, 60),
								FRACTION(dp->time, 60),
								gasname(&gasmix));

						len += snprintf(buffer + len, sz_buffer - len, "%s<br>", temp);
					newdepth = dp->depth;
					lasttime = dp->time;
				}
			}
		} else {
			/* When not displaying the verbatim dive plan, we typically ignore ascents between deco stops,
			 * unless the display transitions option has been selected.  We output a segment if any of the
			 * following conditions are met.
			 * 1) Display transitions is selected
			 * 2) The segment was manually entered
			 * 3) It is the last segment of the dive
			 * 4) The segment is not an ascent, there was a gas change at the start of the segment and the next segment
			 *    is a change in depth (typical deco stop)
			 * 5) There is a gas change at the end of the segment and the last segment was entered (first calculated
			 *    segment if it ends in a gas change)
			 * 6) There is a gaschange after but no ascent.  This should only occur when backgas breaks option is selected
			 * 7) It is an ascent ending with a gas change, but is not followed by a stop.   As case 5 already matches
			 *    the first calculated ascent if it ends with a gas change, this should only occur if a travel gas is
			 *    used for a calculated ascent, there is a subsequent gas change before the first deco stop, and zero
			 *    time has been allowed for a gas switch.
			 */
			if (plan_display_transitions || dp->entered || !dp->next ||
			    (nextdp && dp->depth != nextdp->depth) ||
			    (!isascent && gaschange_before && nextdp && dp->depth != nextdp->depth) ||
			    (gaschange_after && lastentered) || (gaschange_after && !isascent) ||
			    (isascent && gaschange_after && nextdp && dp->depth != nextdp->depth )) {
				snprintf(temp, sz_temp, translate("gettextFromC", "%3.0f%s"), depthvalue, depth_unit);
				len += snprintf(buffer + len, sz_buffer - len, "<tr><td style='padding-left: 10px; float: right;'>%s</td>", temp);
				if (plan_display_duration) {
					snprintf(temp, sz_temp, translate("gettextFromC", "%3dmin"), (dp->time - lasttime + 30) / 60);
					len += snprintf(buffer + len, sz_buffer - len, "<td style='padding-left: 10px; float: right;'>%s</td>", temp);
				}
				if (plan_display_runtime) {
					snprintf(temp, sz_temp, translate("gettextFromC", "%3dmin"), (dp->time + 30) / 60);
					len += snprintf(buffer + len, sz_buffer - len, "<td style='padding-left: 10px; float: right;'>%s</td>", temp);
				}

				/* Normally a gas change is displayed on the stopping segment, so only display a gas change at the end of
				 * an ascent segment if it is not followed by a stop
				 */
				if (isascent && gaschange_after && dp->next && nextdp && dp->depth != nextdp->depth) {
					if (dp->setpoint) {
						snprintf(temp, sz_temp, translate("gettextFromC", "(SP = %.1fbar)"), (double) nextdp->setpoint / 1000.0);
						len += snprintf(buffer + len, sz_buffer - len, "<td style='padding-left: 10px; color: red; float: left;'><b>%s %s</b></td>", gasname(&newgasmix),
									temp);
					} else {
							len += snprintf(buffer + len, sz_buffer - len, "<td style='padding-left: 10px; color: red; float: left;'><b>%s</b></td>", gasname(&newgasmix));
					}
					lastprintsetpoint = nextdp->setpoint;
					lastprintgasmix = newgasmix;
					gaschange_after = false;
				} else if (gaschange_before) {
				// If a new gas has been used for this segment, now is the time to show it
					if (dp->setpoint) {
						snprintf(temp, sz_temp, translate("gettextFromC", "(SP = %.1fbar)"), (double) dp->setpoint / 1000.0);
						len += snprintf(buffer + len, sz_buffer - len, "<td style='padding-left: 10px; color: red; float: left;'><b>%s %s</b></td>", gasname(&gasmix),
									temp);
					} else {
							len += snprintf(buffer + len, sz_buffer - len, "<td style='padding-left: 10px; color: red; float: left;'><b>%s</b></td>", gasname(&gasmix));
					}
					// Set variables so subsequent iterations can test against the last gas printed
					lastprintsetpoint = dp->setpoint;
					lastprintgasmix = gasmix;
					gaschange_after = false;
				} else {
					len += snprintf(buffer + len, sz_buffer - len, "<td>&nbsp;</td>");
				}
				len += snprintf(buffer + len, sz_buffer - len, "</tr>");
				newdepth = dp->depth;
				lasttime = dp->time;
			}
		}
		if (gaschange_after) {
			// gas switch at this waypoint
			if (plan_verbatim) {
				if (lastsetpoint >= 0) {
					if (nextdp && nextdp->setpoint)
						snprintf(temp, sz_temp, translate("gettextFromC", "Switch gas to %s (SP = %.1fbar)"), gasname(&newgasmix), (double) nextdp->setpoint / 1000.0);
					else
						snprintf(temp, sz_temp, translate("gettextFromC", "Switch gas to %s"), gasname(&newgasmix));

					len += snprintf(buffer + len, sz_buffer - len, "%s<br>", temp);
				}
				gaschange_after = false;
			gasmix = newgasmix;
			}
		}
		lastprintdepth = newdepth;
		lastdepth = dp->depth;
		lastsetpoint = dp->setpoint;
		lastentered = dp->entered;
	} while ((dp = nextdp) != NULL);
	len += snprintf(buffer + len, sz_buffer - len, "</tbody></table></div>");

	dive->cns = 0;
	dive->maxcns = 0;
	update_cylinder_related_info(dive);
	snprintf(temp, sz_temp, "%s", translate("gettextFromC", "CNS"));
	len += snprintf(buffer + len, sz_buffer - len, "<div><br>%s: %i%%", temp, dive->cns);
	snprintf(temp, sz_temp, "%s", translate("gettextFromC", "OTU"));
	len += snprintf(buffer + len, sz_buffer - len, "<br>%s: %i</div>", temp, dive->otu);

	if (dive->dc.divemode == CCR)
		snprintf(temp, sz_temp, "%s", translate("gettextFromC", "Gas consumption (CCR legs excluded):"));
	else
		snprintf(temp, sz_temp, "%s", translate("gettextFromC", "Gas consumption:"));
	len += snprintf(buffer + len, sz_buffer - len, "<div><br>%s<br>", temp);
	for (int gasidx = 0; gasidx < MAX_CYLINDERS; gasidx++) {
		double volume, pressure, deco_volume, deco_pressure;
		const char *unit, *pressure_unit;
		char warning[1000] = "";
		cylinder_t *cyl = &dive->cylinder[gasidx];
		if (cylinder_none(cyl))
			break;

		volume = get_volume_units(cyl->gas_used.mliter, NULL, &unit);
		deco_volume = get_volume_units(cyl->deco_gas_used.mliter, NULL, &unit);
		if (cyl->type.size.mliter) {
			deco_pressure = get_pressure_units(1000.0 * cyl->deco_gas_used.mliter / cyl->type.size.mliter, &pressure_unit);
			pressure = get_pressure_units(1000.0 * cyl->gas_used.mliter / cyl->type.size.mliter, &pressure_unit);
			/* Warn if the plan uses more gas than is available in a cylinder
			 * This only works if we have working pressure for the cylinder
			 * 10bar is a made up number - but it seemed silly to pretend you could breathe cylinder down to 0 */
			if (cyl->end.mbar < 10000)
				snprintf(warning, sizeof(warning), " &mdash; <span style='color: red;'>%s </span> %s",
					translate("gettextFromC", "Warning:"),
					translate("gettextFromC", "this is more gas than available in the specified cylinder!"));
			else
				if ((float) cyl->end.mbar * cyl->type.size.mliter / 1000.0 < (float) cyl->deco_gas_used.mliter)
					snprintf(warning, sizeof(warning), " &mdash; <span style='color: red;'>%s </span> %s",
						translate("gettextFromC", "Warning:"),
						translate("gettextFromC", "not enough reserve for gas sharing on ascent!"));

			snprintf(temp, sz_temp, translate("gettextFromC", "%.0f%s/%.0f%s of %s (%.0f%s/%.0f%s in planned ascent)"), volume, unit, pressure, pressure_unit, gasname(&cyl->gasmix), deco_volume, unit, deco_pressure, pressure_unit);
		} else {
			snprintf(temp, sz_temp, translate("gettextFromC", "%.0f%s (%.0f%s during planned ascent) of %s"), volume, unit, deco_volume, unit, gasname(&cyl->gasmix));
		}
		len += snprintf(buffer + len, sz_buffer - len, "%s%s<br>", temp, warning);
	}
	dp = diveplan->dp;
	if (dive->dc.divemode != CCR) {
		while (dp) {
			if (dp->time != 0) {
				struct gas_pressures pressures;
				fill_pressures(&pressures, depth_to_atm(dp->depth, dive), &dp->gasmix, 0.0, dive->dc.divemode);

				if (pressures.o2 > (dp->entered ? prefs.bottompo2 : prefs.decopo2) / 1000.0) {
					const char *depth_unit;
					int decimals;
					double depth_value = get_depth_units(dp->depth, &decimals, &depth_unit);
					len = strlen(buffer);
					snprintf(temp, sz_temp,
						 translate("gettextFromC", "high pO₂ value %.2f at %d:%02u with gas %s at depth %.*f %s"),
						 pressures.o2, FRACTION(dp->time, 60), gasname(&dp->gasmix), decimals, depth_value, depth_unit);
					len += snprintf(buffer + len, sz_buffer - len, "<span style='color: red;'>%s </span> %s<br>",
							translate("gettextFromC", "Warning:"), temp);
				} else if (pressures.o2 < 0.16) {
					const char *depth_unit;
					int decimals;
					double depth_value = get_depth_units(dp->depth, &decimals, &depth_unit);
					len = strlen(buffer);
					snprintf(temp, sz_temp,
						 translate("gettextFromC", "low pO₂ value %.2f at %d:%02u with gas %s at depth %.*f %s"),
						 pressures.o2, FRACTION(dp->time, 60), gasname(&dp->gasmix), decimals, depth_value, depth_unit);
					len += snprintf(buffer + len, sz_buffer - len, "<span style='color: red;'>%s </span> %s<br>",
							translate("gettextFromC", "Warning:"), temp);

				}
			}
			dp = dp->next;
		}
	}
	snprintf(buffer + len, sz_buffer - len, "</div>");
	dive->notes = strdup(buffer);

	free((void *)buffer);
	free((void *)temp);
}