Hi
I am trying to programmatically move one of the ticks in the gradient
editor of a histogramLUT. I tried this...
hist = pg.HistogramLUTItem()
hist.setImageItem(my_image)
hist.gradient.loadPreset('yellowy')
current_ticks = hist.gradient.listTicks()
hist.gradient.setTickValue(current_ticks[2], 0.4)
But I get the error:
File "/Users/myname/directory/plot.py", line 99, in update_images
> *hist.gradient.setTickValue(current_ticks[2], 0.4)*
> File
> "/Users/myname/opt/anaconda3/envs/my_env/lib/python3.6/site-packages/pyqtgraph/graphicsItems/GradientEditorItem.py",
>
> line 309, in setTickValue
> pos = tick.pos()
> AttributeError: 'tuple' object has no attribute 'pos'
>
Am I missing something? Or is there a better way to do this?
Thanks
J
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