Display Text in Slice view

Development
1

I’m would like to display unique text in the slice view for each slice.

I’m currently trying to use the python script to display text in slice view:

view=slicer.app.layoutManager().threeDWidget(0).threeDView()
# Set text to "Something"
view.cornerAnnotation().SetText(vtk.vtkCornerAnnotation.UpperRight,"Something")
# Set color to red
view.cornerAnnotation().GetTextProperty().SetColor(1,0,0)
# Update the view
view.forceRender()

However nothing shows up, do I have to enable something?

Another question I have is would this script display the same text for all the slices? So if I scroll through the slices it would be the same text? How can I display unique text for each slice?

2

The code above works well for me - displays text in 3D view as expected.

To display text in slice views, replace the first line by this line:

view = slicer.app.layoutManager().sliceWidget("Red").sliceView()

You may consider hiding slice view annotations, to prevent them from overwriting the text you place there. See example.

3

thank you very much! it displays for me now

4

Sorry one more question I have is, can I change the font size of the text? like make it bigger?

5

Yes, sure, see how the text is scaled by DataProbe:

6

thank you very much!!