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Plot mean depth data

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As we already have running depth sum values for each sample
why don't just plot running average depth graph.

Signed-off-by: Krzysztof Arentowicz <k.arentowicz@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Krzysztof Arentowicz 2015-01-02 00:28:38 +01:00 • committed by Dirk Hohndel
parent ee1ef52330
commit e3378e299a
4 changed files with 69 additions and 1 deletions
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47
qt-ui/profile/diveprofileitem.cpp
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@ -568,6 +568,53 @@ void DiveTemperatureItem::paint(QPainter *painter, const QStyleOptionGraphicsIte
painter->restore();
}
DiveMeanDepthItem::DiveMeanDepthItem()
{
QPen pen;
pen.setBrush(QBrush(getColor(::MEAN_DEPTH)));
pen.setCosmetic(true);
pen.setWidth(2);
setPen(pen);
settingsChanged();
}
void DiveMeanDepthItem::modelDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight)
{
double meandepthvalue;
// We don't have enougth data to calculate things, quit.
if (!shouldCalculateStuff(topLeft, bottomRight))
return;
QPolygonF poly;
plot_data *entry = dataModel->data().entry;
for (int i = 0, modelDataCount = dataModel->rowCount(); i < modelDataCount; i++, entry++) {
// Ignore empty values
if (entry->running_sum == 0 || entry->sec == 0)
continue;
meandepthvalue = entry->running_sum / entry->sec ;
QPointF point(hAxis->posAtValue(entry->sec), vAxis->posAtValue(meandepthvalue));
poly.append(point);
}
setPolygon(poly);
}
void DiveMeanDepthItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
if (polygon().isEmpty())
return;
painter->save();
painter->setPen(pen());
painter->drawPolyline(polygon());
painter->restore();
}
void DiveMeanDepthItem::settingsChanged()
{
setVisible(prefs.show_average_depth);
}
void DiveGasPressureItem::modelDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight)
{
// We don't have enougth data to calculate things, quit.