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Fixed bug in pixelstats.cpp that was causing intermittent crash #207

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Merged
gr5 merged 1 commit into from
Jul 20, 2025
Merged

Fixed bug in pixelstats.cpp that was causing intermittent crash #207

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9 changes: 3 additions & 6 deletions pixelstats.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -493,11 +493,8 @@ void pixelStats::updateHisto(){
ui->histo->detachItems( QwtPlotItem::Rtti_PlotCurve);
ui->histo->detachItems( QwtPlotItem::Rtti_PlotMarker);
ui->histo->detachItems(QwtPlotItem::Rtti_PlotItem);
// Quantize the hue to 30 levels
// and the saturation to 32 levels
int hbins = 1000, sbins = 32;
int histSize[] = {hbins, sbins};
// hue varies from 0 to 179, see cvtColor
int hbins = 1000; // make histogram with 1000 bins
int histSize[] = {hbins};


cv::Mat hist;
Expand All @@ -510,7 +507,7 @@ void pixelStats::updateHisto(){

float hranges[] = { (float)m_wf->min, (float)m_wf->max};
const float* ranges[] = { hranges };
int channels[] = {0, 1};
int channels[] = { 0 };
cv::calcHist( &values, 1, channels, m_wf->workMask, // do not use mask
hist, 1, histSize, ranges,
true, // the histogram is uniform
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