It sounds like an openGL rendering issue. If you run glxgears command, do you see a blank window or spinning 3D gears?
Ruopeng
On Nov 6, 2023, at 12:37 PM, Mahdi Babaei <mahdibabaii45@gmail.commailto:mahdibabaii45@gmail.com> wrote:
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Hi Paul,
Thank you for your response. There was an issue with my description. I meant to refer to volume data. Freeview is displaying a black view, even though it loads the images. Unfortunately, nothing is visible.
Best, Mahdi
On Mon, 6 Nov 2023 at 11:30, Wighton, Paul <PWIGHTON@mgh.harvard.edumailto:PWIGHTON@mgh.harvard.edu> wrote: Hi Mahdi,
I'm afraid I don't know what you mean by "Freeview opens fine but when I load a column in it just shows a black view." What is a column in this context?
As for registration between PET and MR, have you seen this page? MailScanner has detected a possible fraud attempt from "secure-web.cisco.com" claiming to be https://surfer.nmr.mgh.harvard.edu/fswiki/PetSurferhttps://secure-web.cisco.com/18vNjlLmSGWFTunMb7wArlqA9mQWDmVewpANlk56uM_4t5BjrQ6JC20xM-IfCGjRTVm8JHBTAKDDjGTfWTlR0Tl7pWwpQDTa9iUq5xuXmzq5FhvZYz4CougtZUc0KSwUghDHRf5GSNhe450T_mfdBXXqZEagt2weB4ir46dEC1DQpQ8FV7PEIuiLy1z3HVp3gbjCsii3j4j03rTzmmPs5FUP-VmkbKWIa7_dLCtbBDJidWYD2UEyV7ab5r6eKb0byoeD5Qd53y4Iok2NVwnUXajXd4ZCe1R8wQt8Ndoe2_mSWLSLu8ae6eDQHoXaJeC_iT1Z1F4-j4b4v9uBN0Fdvvw/https%3A%2F%2Fsurfer.nmr.mgh.harvard.edu%2Ffswiki%2FPetSurfer
It suggests using mri_coreg.
-Paul
________________________________________ From: freesurfer-bounces@nmr.mgh.harvard.edumailto:freesurfer-bounces@nmr.mgh.harvard.edu <freesurfer-bounces@nmr.mgh.harvard.edumailto:freesurfer-bounces@nmr.mgh.harvard.edu> on behalf of Mahdi Babaei <mahdibabaii45@gmail.commailto:mahdibabaii45@gmail.com> Sent: Sunday, November 5, 2023 2:25 PM To: freesurfer@nmr.mgh.harvard.edumailto:freesurfer@nmr.mgh.harvard.edu Subject: [Freesurfer] Question about Freesurfer
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Dear FreeSurfer Team,
I'm currently a PhD student at Stevens Institute of Technology in New Jersey, USA, where my research focuses on MRI to PET translation. I have a number of problems. Freeview opens fine but when I load a column in it just shows a black view. Have you ever encountered this problem? I'm so confused about using the tool for registration. Can I do registration between MRI and PET modalities of the same subject using "bbregister"?
Best, Mahdi
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