I am working on this currently. See: https://github.com/campagnola/pyqtgraph/tree/image-alignment
For images it seems to work; for ROIs there are still some issues. I also have pending PRs that add unit tests for ImageItem and ROI that need to go in before this one. On Mon, Jul 4, 2016 at 9:48 AM, Vincent Le Saux <[email protected]> wrote: > Hi, > > To my knowledge, not yet. > > Vincent > > Le lundi 4 juillet 2016 16:02:42 UTC+2, Nicolas Coquelle a écrit : >> >> Hello Luke, >> >> I was wondering if this option (interpret axes in the opposite order) is >> available in the current pyqtgraph version. >> (Did not find in the documentation). >> >> Thanks in advance, >> >> Nico. >> >> On Thursday, March 6, 2014 at 2:19:04 AM UTC+1, Luke Campagnola wrote: >>> >>> Probably the image was transposed, not rotated. PyQtGraph interprets the >>> axes of image data as [width, height], which is the opposite of most other >>> standards. Unfortunately this behavior must be kept for backward >>> compatibility, but I will be adding a config option soon that will cause it >>> to interpret axes in the opposite order. >>> >>> For now, simply transposing the image data before giving it to pyqtgraph >>> should suffice: pg.image( img_data.T ) >>> This operation does not incur any performance overhead. >>> >>> >>> On Wed, Mar 5, 2014 at 7:36 PM, <[email protected]> wrote: >>> >>>> Hi, I am newbie to pyqtgraph.I opened the image file with >>>> scipy.misc.imread which stored the image data into numpy array and then >>>> attached the numpy array to the imageItem. Then, I found that the image was >>>> displayed with 90 degree rotation counter-clockwise. If I used the >>>> matplotlib.imshow, the image would be displayed correctlly. Is there any >>>> difference between the imageItem and the imshow function in matplotlib? >>>> >>>> -- >>>> 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/c126bba3-1a44-4759-a50e-f36e811c3ade%40googlegroups.com >>>> <https://groups.google.com/d/msgid/pyqtgraph/c126bba3-1a44-4759-a50e-f36e811c3ade%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> For more options, visit https://groups.google.com/groups/opt_out. >>>> >>> >>> -- > 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/e17b11b1-f680-4322-870e-0c8f851b7af4%40googlegroups.com > <https://groups.google.com/d/msgid/pyqtgraph/e17b11b1-f680-4322-870e-0c8f851b7af4%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > For more options, visit https://groups.google.com/d/optout. > -- 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/CACZXET_QHMsP7ndDVP503xeF-bzOLf1iMX6iUXyYHWgjXB6Uhw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
