If you'd be interested in experimenting with the OpenGL volume rendering, take a look at these doc pages:In addition, the place in the codebase to look to see how this is implemented is e.g. here:It makes use of cyglfw, a cython wrapper for the GLFW OpenGL library. If you're familiar with OpenGL that will help.-NathanOn Tue, Apr 18, 2017 at 3:20 PM, E.M. Dragowsky <dragowsky@case.edu> wrote:Hi, Matt -- Thanks for offering this assessment of the current state, including the notion that my interest aligns with future plans.To aid in my report back to my sponsors, perhaps I can extend this conversation to determine if there's anything I can contribute to this development effort? I've described myself as a "researcher who can code", definitely not to be confused with a practiced developer, and yet...these topics of volume rendering and coordinated views have become really interesting to me.Please let me know,~ Em---------- Forwarded message ----------
From: Matthew Turk <matthewturk@gmail.com>
Date: Tue, Apr 18, 2017 at 2:47 PM
Subject: Re: [yt-users] Real-time histogram presentation based on interactive volume rendered camera properties
To: Discussion of the yt analysis package <yt-users@lists.spacepope.org>Hi Em,Thanks for writing. Right now, this isn't possible; I had delayed on writing back because I was experimenting with ways of augmenting the existing OpenGL VR to do this, but I ended up not coming up with anything in time. I absolutely think this is where we would like to go with our interactive VR, but I don't have a timetable for it right now.-MattOn Tue, Apr 11, 2017 at 9:54 AM, E.M. Dragowsky <dragowsky@case.edu> wrote:______________________________Greetings --Please forgive the subject line -- it makes sense to me; hopefully after reading the note it will make sense to me+1 or more....Just last week I became aware of yt, and so this is a question about capabilities:I'm working on a project to aid a researcher with visualizing derived data products (a set of ~5000 histograms) along with volume rendering of simulations performed with Flash (flash.uchicago.edu). This would involve manipulation of the rendered volume data (e.g. temp, density data fields) and coordinated presentation in an inset or separate window from the set of histograms. The active camera view angles from the rendered volume display would be used to select from the histogram set (in this case indexed by 51 polar angle bins and 101 azimuthal angle bins). The key is for the histogram selection to take place as the rendered display is being updated through user interaction -- so as the view is rotated, the histogram updates without having to stop the user actions.Right now, these histograms are created at the end of the simulation. One could imagine a more general case in which the histogram were derived from the volumetric data in real time.Is this a task suited to the current state of yt development?--Best regards,~ Em---------------------------------- E.M. Dragowsky, Ph.D.Research Computing -- UTechCase Western Reserve University_________________
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