On 23/03/2021 04:18, G ökhan Tolun wrote:
Dear COOT developers and experts,
Now that there are VR headsets with high-enough resolution (such as
the HP Reverb G2) that allow reading smaller text and finer details in
VR, I hope that the molecular visualization and modelling software
will start providing easy-to-use support for these devices.
that is a worthy hope.
I see that COOT has some work done in this space,
Yes, some work.
but I could not find detailed-enough information; so, I have a few
questions:
* Does COOT currently have built-in support for VR, or is this
feature available only in some internal development versions?
the code is published, but you hardware setup needs to be "just so" to
get it to work using the software as it stands.
* Do both Windows and Linux versions have VR support?
No. The Windows client needs to be run in Firefox and the server needs
to be run on Linux. It's a bit of a mishmash.
* Does COOT support only a specific headset/controller combination
(e.g., HTC Vive),
Currently yes.
* or does it work with a variety of these (e.g., also with WMR
headsets and controllers)?
No, but it shouldn't take much work, I think.
* Is there a recommended minimum system spec for getting high-enough
frame rates with large models? (I know that usually we look at
only a very small part of a structure, but still…)
Last year's CPUs and last year's graphics cards should be fine. Say a
Ryzen 3700x and a RTX 2070 Super.
* Is there documentation on how to launch a COOT VR session?
Um.... Not that I've written.
* Are both consumer or professional line GPUs supported? (This is
related to the need for a Quadro card supporting QuadBuffered
stereo for a 3DVision system [3D monitor and 3D glasses, which is
our current setup]).
Highly likely - not tested. QuadBuffered stereo doesn't make different
in VR.
* Is there a difference between using either (i.e., would one be
recommended over the other for any reason)?
Not that I can see.
We are planning to put together a new system soon for molecular
visualization and modelling, and answers to these will guide us in our
effort.
Ah, OK. Well, I'd encourage you not to be thinking about VR with Coot at
the moment. Or this year. As Coot is pretty good at using multiple cores
now, if I were speccing a PC, I'd choose a CPU with a high core count,
say a Ryzen 5900x or 5950x or a Threadripper and a RTX 3080 (or a
Quadro RTX 6000 for stereo if that fits your budget). The graphics in
Coot 1.0 (not related to CootVR) are quite a bit different the graphics
available today - you'll need a beefy card to run at 1200x1200 with
super-sampled framebuffer antialiasing at 60 FPS in stereo (not that
Coot 1.0 does stereo (at the moment)).
Paul.
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