I had a similar question earlier and posted this thread: https://groups.google.com/forum/#!searchin/pyqtgraph/preston$20hinkle%7Csort:relevance/pyqtgraph/V2FCUDrGJ9U/RCpXSZ5tEAAJ
I haven't implemented it yet, but it may work for you. On Wednesday, December 28, 2016 at 12:56:31 AM UTC-8, Edmon Silva wrote: > > For a network visualization algorithm, I need to draw thousands of lines > in 3D space, each in *different color and width*. Currently I'm > using gl.GLLinePlotItem create these lines and add them within a for-loop. > As expected, it's extremely slow. Any suggestions to improve the > performances? > (I checked another topic > <https://groups.google.com/forum/#!msg/pyqtgraph/x5ROUR6MEMY/HE-fLvF2oNAJ;context-place=forum/pyqtgraph>on > > the similar problem, but unable to adapt that solution to my problem.) > > Also, I need to draw curved lines in 3D space? Do I have to use small > segments of straight lines that are created using gl.GLLinePlotItem? Is > there any other technique? > -- You received this message because you are subscribed to the Google Groups "pyqtgraph" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/pyqtgraph/2f027108-b691-4ab6-bbbd-b0860696eb4e%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
