lol figured it out. I have my matrix orientation set to row-major, and ColorBarItem was not sensitive to that. Issue & PR now on github
https://github.com/pyqtgraph/pyqtgraph/pull/1734 On Friday, April 16, 2021 at 7:19:02 AM UTC-7 [email protected] wrote: > ColorBarItem was introduced in 0.12.1 but it is undocumented right now > (we'll add documenting before too long I promise). > > On Fri, Apr 16, 2021 at 01:38 [email protected] <[email protected]> wrote: > >> Hello >> I tried to run your example in my environment with pyqtgraph 0.12 and >> pyside2, but I actually don't have the ColorBarItem. The only colorbaritem >> I found online was part of pyqtgraph-extensions which I did not have >> installed. Can you tell me if you installed that separately ? >> On Thursday, April 15, 2021 at 8:29:51 PM UTC+2 [email protected] wrote: >> >>> Thanks for the great graphics library! >>> >>> I've been trying to incorporate the new colorbar into my app, with >>> partial success. The widget works in every way, except that the actual >>> "color map" ImageItem shows up as a blank image (with possibly a compressed >>> image at the bottom?) >>> >>> [image: colorbar.png] >>> >>> My ignorance about Qt can't be helping.. perhaps there's a problem with >>> the way I'm setting up the panel where these items live. Within a >>> GraphicsLayoutWidget, I do >>> >>> 1) addLayout to get a new panel >>> 2) create ImageItem, layout.addPlot to get plot, add image to plot >>> 3) create ColorBarItem, attach to ImageItem >>> 4) layout.addItem for colorbar >>> >>> Attached: I have successfully modified the colorbar demo to use the same >>> steps (bottom left image). Just don't know why it's blank in my app. >>> >>> Appreciate any insights.. >>> >>> cheers >>> Mike >>> >>> >>> -- >> 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/f5d80afa-0f96-400e-a74f-ff0f84c7cf9en%40googlegroups.com >> >> <https://groups.google.com/d/msgid/pyqtgraph/f5d80afa-0f96-400e-a74f-ff0f84c7cf9en%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- 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/a84cb3a3-1c18-48ad-afea-a2d6480378b6n%40googlegroups.com.
