smithchart data next to cursor

This commit is contained in:
Jan Käberich 2020-11-22 22:24:49 +01:00
parent 93bf7255c3
commit 4093578b62
4 changed files with 63 additions and 1 deletions

View file

@ -6,6 +6,7 @@
#include <QDebug>
#include "preferences.h"
#include "ui_smithchartdialog.h"
#include "unit.h"
using namespace std;
@ -46,6 +47,12 @@ QPoint TraceSmithChart::dataToPixel(Trace::Data d)
return transform.map(QPoint(d.S.real() * smithCoordMax, -d.S.imag() * smithCoordMax));
}
std::complex<double> TraceSmithChart::pixelToData(QPoint p)
{
auto data = transform.inverted().map(QPointF(p));
return complex<double>(data.x() / smithCoordMax, -data.y() / smithCoordMax);
}
QPoint TraceSmithChart::markerToPixel(TraceMarker *m)
{
QPoint ret = QPoint();
@ -194,6 +201,22 @@ void TraceSmithChart::traceDropped(Trace *t, QPoint position)
}
}
QString TraceSmithChart::mouseText(QPoint pos)
{
auto data = pixelToData(pos);
if(abs(data) <= 1.0) {
data = 50.0 * (1-.0 + data) / (1.0 - data);
auto ret = Unit::ToString(data.real(), "", " ", 3);
if(data.imag() >= 0) {
ret += "+";
}
ret += Unit::ToString(data.imag(), "j", " ", 3);
return ret;
} else {
return QString();
}
}
//void TraceSmithChart::paintEvent(QPaintEvent * /* the event */)
//{
// auto pref = Preferences::getInstance();