Adding ROIs to existing MPL axes

[liam-stubbington]

Hello,

I have a single slice DICOM image of a basic image quality phantom.
I've loaded it as an instance of the DicomImage class (img) and defined several ROIs as DiskROI objects.

I now want to overlay those ROIs on MPL axes as a quick sanity check, but using the plot2axes method on an existing axes just produces a blank canvas?

What is the easiest way to do this?

Thanks so much in advance.

[jrkerns]

If you want to overlay the ROIs into the original image then you likely want to use the same axis for the ROI and image. I.e.

fig, ax = plt.subplots()
img.plot(ax)
north.plot2axes(ax, 'red')

Let me know how it goes.

[liam-stubbington]

Unfortunately the ROI doesn't show up?

[jrkerns]

Swap the order of the img.plot() with the north.plot...

[liam-stubbington]

Okay, thanks @jrkerns - this has worked