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Optionally interpolate markers

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This commit is contained in:
Jan Käberich 2022-01-07 12:37:47 +01:00
parent 367451dc04
commit 2f7449ed21
8 changed files with 210 additions and 42 deletions
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30
Software/PC_Application/Util/util.cpp
View file

@ -1,5 +1,7 @@
#include "util.h"
#include <QVector2D>
void Util::unwrapPhase(std::vector<double> &phase)
{
for (unsigned int i = 1; i < phase.size(); i++) {
@ -24,3 +26,31 @@ void Util::linearRegression(const std::vector<double> &input, double &B_0, doubl
B_1 = ss_xy / ss_xx;
B_0 = y_mean - B_1 * x_mean;
}
double Util::distanceToLine(QPointF point, QPointF l1, QPointF l2, QPointF *closestLinePoint, double *pointRatio)
{
auto M = l2 - l1;
auto t0 = QPointF::dotProduct(M, point - l1) / QPointF::dotProduct(M, M);
QPointF closestPoint;
QVector2D orthVect;
if (t0 <= 0) {
orthVect = QVector2D(point - l1);
closestPoint = l1;
t0 = 0;
} else if(t0 >= 1) {
orthVect = QVector2D(point - l2);
closestPoint = l2;
t0 = 1;
} else {
auto intersect = l1 + t0 * M;
orthVect = QVector2D(point - intersect);
closestPoint = intersect;
}
if(closestLinePoint) {
*closestLinePoint = closestPoint;
}
if(pointRatio) {
*pointRatio = t0;
}
return orthVect.length();
}

3
Software/PC_Application/Util/util.h
View file

@ -7,6 +7,7 @@
#include <vector>
#include <QColor>
#include <QPoint>
namespace Util {
template<typename T> T Scale(T value, T from_low, T from_high, T to_low, T to_high, bool log_from = false, bool log_to = false) {
@ -69,6 +70,8 @@ namespace Util {
// input values are Y coordinates, assumes evenly spaced linear X values from 0 to input.size() - 1
void linearRegression(const std::vector<double> &input, double &B_0, double &B_1);
double distanceToLine(QPointF point, QPointF l1, QPointF l2, QPointF *closestLinePoint = nullptr, double *pointRatio = nullptr);
}
#endif // UTILH_H