<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:16px"><div dir="ltr" id="yui_3_16_0_1_1419268388660_3767">Hi all,</div><div id="yui_3_16_0_1_1419268388660_3791" dir="ltr"><br></div><div id="yui_3_16_0_1_1419268388660_3790" dir="ltr">I would like to know how I would select a vtkPlot (better: vtkPlotLine) object in a vtkChart (better: vtkChartXY)?</div><div id="yui_3_16_0_1_1419268388660_3897" dir="ltr"><br></div><div id="yui_3_16_0_1_1419268388660_3898" dir="ltr">I get the impression that only points can be selected in a vtkContextScene. However, I have two vertical lines each with two (bottom and top) points, to indicate a (threshold) range, and that I would like to move left and right with my mouse.</div><div id="yui_3_16_0_1_1419268388660_4594" dir="ltr">Would this be possible (or should I go back to something like QCustomPlot)?<br></div><div id="yui_3_16_0_1_1419268388660_4055" dir="ltr"><br></div><div id="yui_3_16_0_1_1419268388660_4056" dir="ltr">Thanks - Maarten<br></div><div style="" class="" id="yui_3_16_0_1_1419268388660_3790" dir="ltr"> </div></div></body></html>