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added temporal filtering to RSGraphWidget to clear up the display. Auto-changes with scale. Can be changed manually with shift+wheel

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This commit is contained in:
csoler 2015-12-27 17:00:54 -05:00
parent 140205108a
commit b32eb6e0c8
2 changed files with 157 additions and 141 deletions
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21
retroshare-gui/src/gui/common/RSGraphWidget.cpp
View File

@ -113,7 +113,7 @@ QString RSGraphSource::legend(int i,float v) const
return displayName(i) + " (" + displayValue(v) + " )";
}
void RSGraphSource::getDataPoints(int index,std::vector<QPointF>& pts) const
void RSGraphSource::getDataPoints(int index,std::vector<QPointF>& pts,float filter_factor) const
{
pts.clear() ;
qint64 now = getTime() ;
@ -126,8 +126,15 @@ void RSGraphSource::getDataPoints(int index,std::vector<QPointF>& pts) const
if(n != index)
return ;
float last_value = it->second.empty()?0.0f:(it->second.begin()->second) ;
for(std::list<std::pair<qint64,float> >::const_iterator it2=it->second.begin();it2!=it->second.end();++it2)
pts.push_back(QPointF( (now - (*it2).first)/1000.0f,(*it2).second)) ;
{
float val = (1-filter_factor)*(*it2).second + filter_factor*last_value;
last_value = val ;
pts.push_back(QPointF( (now - (*it2).first)/1000.0f, val)) ;
}
}
void RSGraphWidget::setShowEntry(uint32_t entry,bool b)
@ -231,6 +238,7 @@ RSGraphWidget::RSGraphWidget(QWidget *parent)
_opacity = 0.6 ;
_flags = 0;
_time_scale = 5.0f ; // in pixels per second.
_time_filter = 1.0f ;
_timer = new QTimer ;
QObject::connect(_timer,SIGNAL(timeout()),this,SLOT(updateIfPossible())) ;
@ -370,7 +378,8 @@ void RSGraphWidget::paintData()
if( _masked_entries.find(source.displayName(i).toStdString()) == _masked_entries.end() )
{
std::vector<QPointF> values ;
source.getDataPoints(i,values) ;
//std::cerr << "time filter = " << _time_filter << ", factor=" << 1./_time_scale*_time_filter/(1+_time_filter/_time_scale) << std::endl;
source.getDataPoints(i,values,1./_time_scale*_time_filter/(1.0f+_time_filter/_time_scale)) ;
QVector<QPointF> points ;
pointsFromData(values,points) ;
@ -601,6 +610,12 @@ void RSGraphWidget::paintScale2()
void RSGraphWidget::wheelEvent(QWheelEvent *e)
{
if(e->modifiers() & Qt::ShiftModifier)
if(e->delta() > 0)
_time_filter *= 1.1 ;
else
_time_filter /= 1.1 ;
else
if(e->delta() > 0)
_time_scale *= 1.1 ;
else

3
retroshare-gui/src/gui/common/RSGraphWidget.h
View File

@ -73,7 +73,7 @@ public:
virtual QString legend(int i,float v) const ;
// Returns the n^th interpolated value at the given time in floating point seconds backward.
virtual void getDataPoints(int index, std::vector<QPointF>& pts) const ;
virtual void getDataPoints(int index, std::vector<QPointF>& pts, float filter_factor=0.0f) const ;
// returns the name to give to the nth entry in the graph
virtual QString displayName(int index) const ;
@ -207,6 +207,7 @@ class RSGraphWidget: public QFrame
std::set<std::string> _masked_entries ;
qreal _time_scale ; // horizontal scale in pixels per sec.
qreal _time_filter ; // time filter. Goes from 0 to infinity. Will be converted into 1-1/(1+f)
/** Show the respective lines and counters. */
//bool _showRSDHT;