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Fix live AHI calculations getting messed up by session gaps

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This commit is contained in:
Mark Watkins 2011-11-13 02:25:46 +10:00
parent fbebd35fd8
commit f10217d684
1 changed files with 27 additions and 3 deletions
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30
Graphs/gLineOverlay.cpp
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@ -123,7 +123,7 @@ void gLineOverlayBar::paint(gGraph & w, int left, int topp, int width, int heigh
}
gLineOverlaySummary::gLineOverlaySummary(QString text, int x, int y)
:Layer(""),m_text(text),m_x(x),m_y(y)
:Layer(CPAP_Obstructive),m_text(text),m_x(x),m_y(y) // The Layer code is a dummy here.
{
}
@ -133,18 +133,42 @@ gLineOverlaySummary::~gLineOverlaySummary()
void gLineOverlaySummary::paint(gGraph & w,int left, int top, int width, int height)
{
if (!m_visible) return;
if (!m_day) return;
Q_UNUSED(width);
Q_UNUSED(height);
float cnt=0;
for (int i=0;i<m_overlays.size();i++) {
cnt+=m_overlays[i]->count();
}
double time=w.max_x-w.min_x;
double val,first,last;
double time=0;
// Calculate the session time.
for (QVector<Session *>::iterator s=m_day->begin();s!=m_day->end(); s++) {
first=(*s)->first();
last=(*s)->last();
if (last < w.min_x) continue;
if (first > w.max_x) continue;
if (first < w.min_x)
first=w.min_x;
if (last > w.max_x)
last=w.max_x;
time+=last-first;
}
val=0;
time/=3600000;
//if (time<1) time=1;
double val=cnt/time;
if (time>0) val=cnt/time;
QString a=m_text+"="+QString::number(val,'f',2);
w.renderText(a,left+m_x,top+m_y);
}