Hi Ruopeng,

Thank you for adding this feature! Much appreciated!

It doesn't seem to have worked quite yet, though:

freeview: symbol lookup error: /gpfs/gsfs6/users/EDB/opt/freesurfer/7.2.0/lib/qt/plugins/platforms/../../lib/libQt5XcbQpa.so.5: undefined symbol: FT_Get_Font_Format

I tried in two ways: (a) replacing freeview from 7.2.0 as per the instructions, and also (b) running from the whole dev version. Both gave the same error message.

Since we are at it :-) may I ask another related feature? In tksurfer, if we had a bigger brain and a smaller brain, and opened them in separate instances, we'd still see the bigger as bigger than the smaller. That is, the default scaling was fixed regardless of the size of the surfaces. WIth FreeView, it appears that by default the surfaces are scaled to cover some fixed amount of the window (say, maybe 90% or so). It's fine as is just for browsing, but if we call in a script and take screenshots, we have the impression that the brains all have the same size, even when they differ (sometimes substantially).

Thanks again!

All the best,

Anderson

On Mon, Apr 25, 2022 at 10:18 AM Wang, Ruopeng <RWANG4@mgh.harvard.edu> wrote:

Hi Anderson,

I’ve added “Orthographic view” option for the 3D viewport. It can be activated from right click menu in the view. You can download the latest build of freeview here:

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Best,

Ruopeng

On Apr 15, 2022, at 10:23 AM, Anderson M. Winkler <winkler@fmrib.ox.ac.uk> wrote:

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Hi all,

Is there a way to configure the camera in the 3D viewport in FreeView to use an orthographic projection instead of perspective (which currently is the default)?

Orthographic used to be the default in tksurfer. A nice feature about it is that when we zoom, the effect is the same as scaling the projection (as opposed to introducing distortions). It makes a difference when we are collating screen captures for a figure, for example.

I checked the help but don't seem to find any related option (in 7.2).

Thanks!

All the best,

Anderson

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