From: Peter Kroon (
Date: Wed Aug 01 2018 - 03:48:45 CDT

Hi all!

I sent this mail earlier, but I think it got buried in everyone's
holidays. Does anyone who's just come back from their well-earned
holidays and conferences have any insights?


On 09-07-18 16:36, Peter Kroon wrote:
> Hello world!
> I would like to turn a VMD scene into a pretty picture. I want this
> picture to be high resolution (~3315x4000px), and using AO and Depth of
> Field. I have tried the following, continually running into issues:
> 1) Use Tachyon-OptiX: I can't put the desired resolution. If I do, it
> fails immediately with a memory error. See also
> 2) Use Tachyon internal: Creates a super fuzzy picture, probably because
> the meaning of 'Aperture' changed from 'x' to '1/x'.
> 3) Use external Tachyon renderer: If I fix the 'Aperture'; and changing
> FocalDist to FocalLength I *almost* get the picture I want, but it seems
> the FocalLength option is simply ignored (see also
> This
> happens with both 0.98.9 and 0.99b6.
> Does anyone have anything else I can try? I build all the software from
> source, in case it matters.
> Peter