I use a scan with a 2x2x2 (mm) spacing
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In “Closed surface” representation, starting on the inside does not seem to work (and is also not the kind of interaction I need as seen in the video at the top of this post. Note there how it shows a + or -, depending on whether its inside or outside the contour)
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Using the “Binary labelmap” representation makes the tool function as advertised.
- However, such a pixelated representation is not something that clinicians are used to and I would still need to work in the closed surface representation.
- It does surprise me that this is considered as an edge case as other commercial tools also have this (1, 2, 3, 4). Some others also use the closed surface representation to draw (5). Conversely, open source tools dont seem to have this option (6)
- I will raise an issue as suggested. Thank you for the detailed response!