Impala Documentation

void Impala::Visualization::SimilarityPlotNeedleImage::UpdatePointPlot ( ) [inline, private]

Definition at line 250 of file SimilarityPlotNeedleImage.h.

References Impala::Visualization::Plot::Plot::GetRange(), Impala::Visualization::Plot::Plot::GetUserPan(), mCurKeyframe, Impala::Visualization::Plot::PlotNeedle::MoveTo(), mPlotNeedle, mPlotPoints, mStartKey, and Impala::Visualization::Plot::Plot::SetUserPan().

Referenced by PlotNeedleChanged(), and UpdateImage().

00251     {
00252         if (!mPlotPoints)
00253             return;
00254 
00255         double nPos = mCurKeyframe-mStartKey+1;
00256         mPlotNeedle->MoveTo(nPos);
00257 
00258         // Lines below pan the plot to keep the needle in sight
00259         double panX, panY;
00260         double l,t,r,b;
00261         mPlotPoints->GetUserPan(panX, panY);
00262         mPlotPoints->GetRange(l,t,r,b);
00263         if (nPos > r || nPos < l)
00264             mPlotPoints->SetUserPan(panX - (nPos - (nPos>r ? r:l)), panY);
00265     }

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