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2 commits

Author SHA1 Message Date
Berthold Stoeger
ba259fb1d6 statistics: make confidence area and regression line opt-in
This is not perfect - the polygon of the confidence area is
calculated even if it is not shown. Oh well.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2021-01-20 08:47:18 +01:00
Berthold Stoeger
2008857660 statistics: render regression item using QSGNode
Render the confidence area and the regression line into a pixmap
and show that using a QSGNode.

It is unclear whether it is preferred to do it this way or to
triangulate the confidence area into triangles to be drawn by
the shader.

Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
2021-01-20 08:47:18 +01:00