statistics: implement rectangle selection in scatter plot

Allow the user to select regions of the scatter plot using
a rectangular selection. When shift is pressed, do an
incremental selection.

Unfortunately, the list-selection code is so slow that this
becomes unusable for a large number of selected dives.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2021-02-01 23:17:04 +01:00 committed by Dirk Hohndel
parent e38b78b2aa
commit d63d4cd3c3
16 changed files with 207 additions and 36 deletions

View file

@ -24,6 +24,7 @@ inline const QColor quartileMarkerColor(Qt::red);
inline const QColor regressionItemColor(Qt::red);
inline const QColor meanMarkerColor(Qt::green);
inline const QColor medianMarkerColor(Qt::red);
inline const QColor selectionLassoColor(Qt::black);
QColor binColor(int bin, int numBins);
QColor labelColor(int bin, size_t numBins);