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Move DFT/TDR calculation into dedicated thread, limit update rate

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This commit is contained in:
Jan Käberich 2021-12-30 15:23:07 +01:00
parent fd786c4176
commit 8e47d14192
5 changed files with 299 additions and 148 deletions
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48
Software/PC_Application/Traces/Math/timegate.cpp
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@ -346,13 +346,35 @@ void Math::TimeGateGraph::paintEvent(QPaintEvent *event)
p.setBackground(QBrush(pref.Graphs.Color.background));
p.fillRect(0, 0, width(), height(), QBrush(pref.Graphs.Color.background));
if(!gate->getInput() || !gate->getInput()->rData().size()) {
// no data yet, nothing to plot
return;
}
// plot trace
auto pen = QPen(Qt::green, 1);
pen.setCosmetic(true);
pen.setStyle(Qt::SolidLine);
p.setPen(pen);
for(unsigned int i=1;i<input.size();i++) {
auto last = input[i-1];
auto minX = input.front().x;
auto maxX = input.back().x;
int plotLeft = 0;
int plotRight = size().width();
int plotTop = 0;
int plotBottom = size().height();
QPoint p1, p2;
// limit amount of displayed points to keep GUI snappy
auto increment = input.size() / 500;
if(!increment) {
increment = 1;
}
for(unsigned int i=increment;i<input.size();i+=increment) {
auto last = input[i-increment];
auto now = input[i];
auto y_last = Util::SparamTodB(last.y);
@ -363,8 +385,12 @@ void Math::TimeGateGraph::paintEvent(QPaintEvent *event)
}
// scale to plot coordinates
auto p1 = plotValueToPixel(last.x, y_last);
auto p2 = plotValueToPixel(now.x, y_now);
p1.setX(Util::Scale<double>(last.x, minX, maxX, plotLeft, plotRight));
p1.setY(Util::Scale<double>(y_last, -120, 20, plotBottom, plotTop));
p2.setX(Util::Scale<double>(now.x, minX, maxX, plotLeft, plotRight));
p2.setY(Util::Scale<double>(y_now, -120, 20, plotBottom, plotTop));
// auto p1 = plotValueToPixel(last.x, y_last);
// auto p2 = plotValueToPixel(now.x, y_now);
// draw line
p.drawLine(p1, p2);
}
@ -372,11 +398,11 @@ void Math::TimeGateGraph::paintEvent(QPaintEvent *event)
auto filter = gate->rFilter();
pen = QPen(Qt::red, 1);
p.setPen(pen);
for(unsigned int i=1;i<filter.size();i++) {
auto x_last = input[i-1].x;
for(unsigned int i=increment;i<filter.size();i+=increment) {
auto x_last = input[i-increment].x;
auto x_now = input[i].x;
auto f_last = Util::SparamTodB(filter[i-1]);
auto f_last = Util::SparamTodB(filter[i-increment]);
auto f_now = Util::SparamTodB(filter[i]);
if(std::isnan(f_last) || std::isnan(f_now) || std::isinf(f_last) || std::isinf(f_now)) {
@ -384,8 +410,12 @@ void Math::TimeGateGraph::paintEvent(QPaintEvent *event)
}
// scale to plot coordinates
auto p1 = plotValueToPixel(x_last, f_last);
auto p2 = plotValueToPixel(x_now, f_now);
p1.setX(Util::Scale<double>(x_last, minX, maxX, plotLeft, plotRight));
p1.setY(Util::Scale<double>(f_last, -120, 20, plotBottom, plotTop));
p2.setX(Util::Scale<double>(x_now, minX, maxX, plotLeft, plotRight));
p2.setY(Util::Scale<double>(f_now, -120, 20, plotBottom, plotTop));
// auto p1 = plotValueToPixel(x_last, f_last);
// auto p2 = plotValueToPixel(x_now, f_now);
// draw line
p.drawLine(p1, p2);