Profile: change get_plot_pressure to take index instead of pointer

The goal here is to make it possible to detach the pressure related
data from the plot_info structure. Thus, the pressure related data
can be allocated independently depending on the number of cylinders
per dive.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2019-07-06 11:58:27 +02:00 committed by Dirk Hohndel
parent fbd74c26d6
commit 4724c88533
5 changed files with 80 additions and 71 deletions

View file

@ -164,13 +164,15 @@ void remember_event(const char *eventname)
}
/* UNUSED! */
static int get_local_sac(struct plot_data *entry1, struct plot_data *entry2, struct dive *dive) __attribute__((unused));
static int get_local_sac(struct plot_info *pi, int idx1, int idx2, struct dive *dive) __attribute__((unused));
/* 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)
static int get_local_sac(struct plot_info *pi, int idx1, int idx2, struct dive *dive)
{
int index = 0;
cylinder_t *cyl;
struct plot_data *entry1 = pi->entry + idx1;
struct plot_data *entry2 = pi->entry + idx2;
int duration = entry2->sec - entry1->sec;
int depth, airuse;
pressure_t a, b;
@ -178,8 +180,8 @@ static int get_local_sac(struct plot_data *entry1, struct plot_data *entry2, str
if (duration <= 0)
return 0;
a.mbar = get_plot_pressure(entry1, 0);
b.mbar = get_plot_pressure(entry2, 0);
a.mbar = get_plot_pressure(pi, idx1, 0);
b.mbar = get_plot_pressure(pi, idx2, 0);
if (!b.mbar || a.mbar <= b.mbar)
return 0;
@ -645,7 +647,7 @@ static void populate_plot_entries(struct dive *dive, struct divecomputer *dc, st
*
* Everything in between has a cylinder pressure for at least some of the cylinders.
*/
static int sac_between(struct dive *dive, struct plot_data *first, struct plot_data *last, unsigned int gases)
static int sac_between(struct dive *dive, struct plot_info *pi, int first, int last, unsigned int gases)
{
int i, airuse;
double pressuretime;
@ -663,8 +665,8 @@ static int sac_between(struct dive *dive, struct plot_data *first, struct plot_d
if (!(gases & (1u << i)))
continue;
a.mbar = get_plot_pressure(first, i);
b.mbar = get_plot_pressure(last, i);
a.mbar = get_plot_pressure(pi, first, i);
b.mbar = get_plot_pressure(pi, last, i);
cyl = dive->cylinder + i;
cyluse = gas_volume(cyl, a) - gas_volume(cyl, b);
if (cyluse > 0)
@ -676,8 +678,10 @@ static int sac_between(struct dive *dive, struct plot_data *first, struct plot_d
/* 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;
struct plot_data *entry = pi->entry + first;
struct plot_data *next = entry + 1;
int depth = (entry->depth + next->depth) / 2;
int time = next->sec - entry->sec;
double atm = depth_to_atm(depth, dive);
pressuretime += atm * time;
@ -691,14 +695,14 @@ static int sac_between(struct dive *dive, struct plot_data *first, struct plot_d
}
/* Which of the set of gases have pressure data */
static unsigned int have_pressures(struct plot_data *entry, unsigned int gases)
static unsigned int have_pressures(struct plot_info *pi, int idx, unsigned int gases)
{
int i;
for (i = 0; i < MAX_CYLINDERS; i++) {
unsigned int mask = 1 << i;
if (gases & mask) {
if (!get_plot_pressure(entry, i))
if (!get_plot_pressure(pi, idx, i))
gases &= ~mask;
}
}
@ -712,7 +716,7 @@ static unsigned int have_pressures(struct plot_data *entry, unsigned int gases)
static void fill_sac(struct dive *dive, struct plot_info *pi, int idx, unsigned int gases)
{
struct plot_data *entry = pi->entry + idx;
struct plot_data *first, *last;
int first, last;
int time;
if (entry->sac)
@ -722,7 +726,7 @@ static void fill_sac(struct dive *dive, struct plot_info *pi, int idx, unsigned
* We may not have pressure data for all the cylinders,
* but we'll calculate the SAC for the ones we do have.
*/
gases = have_pressures(entry, gases);
gases = have_pressures(pi, idx, gases);
if (!gases)
return;
@ -730,37 +734,39 @@ static void fill_sac(struct dive *dive, struct plot_info *pi, int idx, unsigned
* Try to go back 30 seconds to get 'first'.
* Stop if the cylinder pressure data set changes.
*/
first = entry;
first = idx;
time = entry->sec - 30;
while (idx > 0) {
struct plot_data *prev = first-1;
struct plot_data *entry = pi->entry + idx;
struct plot_data *prev = pi->entry + idx - 1;
if (prev->depth < SURFACE_THRESHOLD && first->depth < SURFACE_THRESHOLD)
if (prev->depth < SURFACE_THRESHOLD && entry->depth < SURFACE_THRESHOLD)
break;
if (prev->sec < time)
break;
if (have_pressures(prev, gases) != gases)
if (have_pressures(pi, idx - 1, gases) != gases)
break;
idx--;
first = prev;
first = idx;
}
/* Now find an entry a minute after the first one */
last = first;
time = first->sec + 60;
time = pi->entry[first].sec + 60;
while (++idx < pi->nr) {
struct plot_data *next = last+1;
if (next->depth < SURFACE_THRESHOLD && last->depth < SURFACE_THRESHOLD)
struct plot_data *entry = pi->entry + last;
struct plot_data *next = pi->entry + last + 1;
if (next->depth < SURFACE_THRESHOLD && entry->depth < SURFACE_THRESHOLD)
break;
if (next->sec > time)
break;
if (have_pressures(next, gases) != gases)
if (have_pressures(pi, idx + 1, gases) != gases)
break;
last = next;
last = idx;
}
/* Ok, now calculate the SAC between 'first' and 'last' */
entry->sac = sac_between(dive, first, last, gases);
entry->sac = sac_between(dive, pi, first, last, gases);
}
/*
@ -1401,18 +1407,19 @@ struct divecomputer *select_dc(struct dive *dive)
return get_dive_dc(dive, i);
}
static void plot_string(struct plot_info *pi, struct plot_data *entry, struct membuffer *b)
static void plot_string(struct plot_info *pi, int idx, struct membuffer *b)
{
int pressurevalue, mod, ead, end, eadd;
const char *depth_unit, *pressure_unit, *temp_unit, *vertical_speed_unit;
double depthvalue, tempvalue, speedvalue, sacvalue;
int decimals, cyl;
const char *unit;
struct plot_data *entry = pi->entry + idx;
depthvalue = get_depth_units(entry->depth, NULL, &depth_unit);
put_format_loc(b, translate("gettextFromC", "@: %d:%02d\nD: %.1f%s\n"), FRACTION(entry->sec, 60), depthvalue, depth_unit);
for (cyl = 0; cyl < MAX_CYLINDERS; cyl++) {
int mbar = get_plot_pressure(entry, cyl);
int mbar = get_plot_pressure(pi, idx, cyl);
if (!mbar)
continue;
struct gasmix mix = displayed_dive.cylinder[cyl].gasmix;
@ -1553,54 +1560,53 @@ static void plot_string(struct plot_info *pi, struct plot_data *entry, struct me
strip_mb(b);
}
struct plot_data *get_plot_details_new(struct plot_info *pi, int time, struct membuffer *mb)
int get_plot_details_new(struct plot_info *pi, int time, struct membuffer *mb)
{
struct plot_data *entry = NULL;
int i;
/* The two first and the two last plot entries do not have useful data */
if (pi->nr <= 4)
return 0;
for (i = 2; i < pi->nr - 2; i++) {
entry = pi->entry + i;
if (entry->sec >= time)
if (pi->entry[i].sec >= time)
break;
}
if (entry)
plot_string(pi, entry, mb);
return entry;
plot_string(pi, i, mb);
return i;
}
/* Compare two plot_data entries and writes the results into a string */
void compare_samples(struct plot_data *e1, struct plot_data *e2, char *buf, int bufsize, int sum)
void compare_samples(struct plot_info *pi, int idx1, int idx2, char *buf, int bufsize, bool sum)
{
struct plot_data *start, *stop, *data;
const char *depth_unit, *pressure_unit, *vertical_speed_unit;
char *buf2 = malloc(bufsize);
int avg_speed, max_asc_speed, max_desc_speed;
int delta_depth, avg_depth, max_depth, min_depth;
int bar_used, last_pressure, pressurevalue;
int count, last_sec, delta_time;
int bar_used, last_pressure, next_pressure, pressurevalue;
int last_sec, delta_time;
bool crossed_tankchange = false;
double depthvalue, speedvalue;
if (bufsize > 0)
buf[0] = '\0';
if (e1 == NULL || e2 == NULL) {
if (idx1 < 0 || idx2 < 0) {
free(buf2);
return;
}
if (e1->sec < e2->sec) {
start = e1;
stop = e2;
} else if (e1->sec > e2->sec) {
start = e2;
stop = e1;
} else {
if (pi->entry[idx1].sec > pi->entry[idx2].sec) {
int tmp = idx2;
idx2 = idx1;
idx1 = tmp;
} else if (pi->entry[idx1].sec == pi->entry[idx2].sec) {
free(buf2);
return;
}
count = 0;
start = pi->entry + idx1;
stop = pi->entry + idx2;
avg_speed = 0;
max_asc_speed = 0;
max_desc_speed = 0;
@ -1613,11 +1619,11 @@ void compare_samples(struct plot_data *e1, struct plot_data *e2, char *buf, int
bar_used = 0;
last_sec = start->sec;
last_pressure = get_plot_pressure(start, 0);
last_pressure = get_plot_pressure(pi, idx1, 0);
data = start;
while (data != stop) {
data = start + count;
for (int i = idx1; i < idx2; ++i) {
data = pi->entry + i;
if (sum)
avg_speed += abs(data->speed) * (data->sec - last_sec);
else
@ -1634,12 +1640,12 @@ void compare_samples(struct plot_data *e1, struct plot_data *e2, char *buf, int
if (data->depth > max_depth)
max_depth = data->depth;
/* Try to detect gas changes - this hack might work for some side mount scenarios? */
if (get_plot_pressure(data, 0) < last_pressure + 2000)
bar_used += last_pressure - get_plot_pressure(data, 0);
next_pressure = get_plot_pressure(pi, i, 0);
if (next_pressure < last_pressure + 2000)
bar_used += last_pressure - next_pressure;
count += 1;
last_sec = data->sec;
last_pressure = get_plot_pressure(data, 0);
last_pressure = next_pressure;
}
avg_depth /= stop->sec - start->sec;
avg_speed /= stop->sec - start->sec;
@ -1686,15 +1692,15 @@ void compare_samples(struct plot_data *e1, struct plot_data *e2, char *buf, int
double volume_value;
int volume_precision;
const char *volume_unit;
struct plot_data *first = start;
struct plot_data *last = stop;
while (first < stop && get_plot_pressure(first, 0) == 0)
int first = idx1;
int last = idx2;
while (first < last && get_plot_pressure(pi, first, 0) == 0)
first++;
while (last > first && get_plot_pressure(last, 0) == 0)
while (last > first && get_plot_pressure(pi, last, 0) == 0)
last--;
pressure_t first_pressure = { get_plot_pressure(first, 0) };
pressure_t stop_pressure = { get_plot_pressure(last, 0) };
pressure_t first_pressure = { get_plot_pressure(pi, first, 0) };
pressure_t stop_pressure = { get_plot_pressure(pi, last, 0) };
int volume_used = gas_volume(cyl, first_pressure) - gas_volume(cyl, stop_pressure);
/* Mean pressure in ATM */

View file

@ -3,6 +3,7 @@
#define PROFILE_H
#include "dive.h"
#include "display.h"
#ifdef __cplusplus
extern "C" {
@ -78,12 +79,12 @@ struct ev_select {
bool plot_ev;
};
extern void compare_samples(struct plot_data *e1, struct plot_data *e2, char *buf, int bufsize, int sum);
extern void compare_samples(struct plot_info *p1, int idx1, int idx2, char *buf, int bufsize, bool sum);
extern struct plot_info *analyze_plot_info(struct plot_info *pi);
extern void init_plot_info(struct plot_info *pi);
extern void create_plot_info_new(struct dive *dive, struct divecomputer *dc, struct plot_info *pi, bool fast, struct deco_state *planner_ds);
extern void calculate_deco_information(struct deco_state *ds, const struct deco_state *planner_de, const struct dive *dive, const struct divecomputer *dc, struct plot_info *pi, bool print_mode);
extern struct plot_data *get_plot_details_new(struct plot_info *pi, int time, struct membuffer *);
extern int get_plot_details_new(struct plot_info *pi, int time, struct membuffer *);
extern void free_plot_info_data(struct plot_info *pi);
/*
@ -121,10 +122,11 @@ static inline int get_plot_interpolated_pressure(const struct plot_data *entry,
return get_plot_pressure_data(entry, INTERPOLATED_PR, idx);
}
static inline int get_plot_pressure(const struct plot_data *entry, int idx)
static inline int get_plot_pressure(const struct plot_info *pi, int idx, int cylinder)
{
int res = get_plot_sensor_pressure(entry, idx);
return res ? res : get_plot_interpolated_pressure(entry, idx);
const struct plot_data *entry = pi->entry + idx;
int res = get_plot_sensor_pressure(entry, cylinder);
return res ? res : get_plot_interpolated_pressure(entry, cylinder);
}
#ifdef __cplusplus

View file

@ -665,11 +665,12 @@ void DiveGasPressureItem::modelDataChanged(const QModelIndex &topLeft, const QMo
QPolygonF boundingPoly;
polygons.clear();
const struct plot_info *pInfo = &dataModel->data();
for (int i = 0, count = dataModel->rowCount(); i < count; i++) {
struct plot_data *entry = dataModel->data().entry + i;
const struct plot_data *entry = pInfo->entry + i;
for (int cyl = 0; cyl < MAX_CYLINDERS; cyl++) {
int mbar = get_plot_pressure(entry, cyl);
int mbar = get_plot_pressure(pInfo, i, cyl);
int time = entry->sec;
if (!mbar)
@ -726,10 +727,10 @@ void DiveGasPressureItem::modelDataChanged(const QModelIndex &topLeft, const QMo
double axisLog = log10(log10(axisRange));
for (int i = 0, count = dataModel->rowCount(); i < count; i++) {
struct plot_data *entry = dataModel->data().entry + i;
const struct plot_data *entry = pInfo->entry + i;
for (int cyl = 0; cyl < MAX_CYLINDERS; cyl++) {
int mbar = get_plot_pressure(entry, cyl);
int mbar = get_plot_pressure(pInfo, i, cyl);
if (!mbar)
continue;

View file

@ -230,7 +230,6 @@ void ToolTipItem::setTimeAxis(DiveCartesianAxis *axis)
void ToolTipItem::refresh(const QPointF &pos)
{
struct plot_data *entry;
static QPixmap tissues(16,60);
static QPainter painter(&tissues);
static struct membuffer mb = {};
@ -245,7 +244,7 @@ void ToolTipItem::refresh(const QPointF &pos)
clear();
mb.len = 0;
entry = get_plot_details_new(&pInfo, time, &mb);
int idx = get_plot_details_new(&pInfo, time, &mb);
tissues.fill();
painter.setPen(QColor(0, 0, 0, 0));
@ -255,10 +254,11 @@ void ToolTipItem::refresh(const QPointF &pos)
painter.drawRect(0, 10, 16, (100 - AMB_PERCENTAGE) / 2);
painter.setBrush(QColor(Qt::red));
painter.drawRect(0,0,16,10);
if (entry) {
if (idx) {
ProfileWidget2 *view = qobject_cast<ProfileWidget2*>(scene()->views().first());
Q_ASSERT(view);
const struct plot_data *entry = &pInfo.entry[idx];
painter.setPen(QColor(0, 0, 0, 255));
if (decoMode() == BUEHLMANN)
painter.drawLine(0, lrint(60 - entry->gfline / 2), 16, lrint(60 - entry->gfline / 2));

View file

@ -116,7 +116,7 @@ void RulerItem2::recalculate()
}
QLineF line(startPoint, endPoint);
setLine(line);
compare_samples(&pInfo.entry[source->idx], &pInfo.entry[dest->idx], buffer, 500, 1);
compare_samples(&pInfo, source->idx, dest->idx, buffer, 500, 1);
text = QString(buffer);
// draw text