eupolicy.social is one of the many independent Mastodon servers you can use to participate in the fediverse.
This Mastodon server is a friendly and respectful discussion space for people working in areas related to EU policy. When you request to create an account, please tell us something about you.

Server stats:

225
active users

#rayrender

0 posts0 participants0 posts today
Tyler Morgan-Wall<p>Testing the accuracy of simulating star trails with R and libopenexr, rendered in a pathtracer: lookin' pretty good so far! Differences seem to be primarily from real camera lens distortion from the wide angle lens versus a perspective camera.</p><p><a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RStats</span></a> <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a> <a href="https://fosstodon.org/tags/rayverse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayverse</span></a></p>
Tyler Morgan-Wall<p>Procedurally rendered location/time-accurate star trails + simulated twilight atmosphere, now with star spectral → RGB color information included! It's subtle (even exaggerated here slightly), but there. All rendered in <a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RStats</span></a> with <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a></p><p><a href="https://fosstodon.org/tags/rayverse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayverse</span></a></p>
Tyler Morgan-Wall<p>🤯 Rendering realistic sunsets in R<br>🤯 🤯 Rendering realistic sunsets in R, with accurate stars for a given latitude/long<br>🤯 🤯 🤯 Rendering realistic sunsets in R, with accurate stars for a given lat/long AND time/exposure, giving you beautiful star trails!</p><p>your move, SAS</p><p><a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RStats</span></a> <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a> <a href="https://fosstodon.org/tags/rayverse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayverse</span></a></p>
Tyler Morgan-Wall<p>Nothing is better than relaxing on a hot summer Friday night, sipping a cold drink, and enjoying a beautiful sunset accurately rendered (as if seen from a jet airliners cruising altitude while on a red eye) in your favorite statistical programming language 🥂</p><p><a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RStats</span></a> <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a> <a href="https://fosstodon.org/tags/rayverse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayverse</span></a></p>
Tyler Morgan-Wall<p>Twilight support!</p><p>One of my favorite things is finding a methods paper (here, atmospheric rendering), implementing it, thinking to myself "Man, it would be nice if the method supported XYZ!", and then finding that the paper implementing XYZ was released fairly recently. Truly surfing the crest of human knowledge!</p><p><a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RStats</span></a> <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a> <a href="https://fosstodon.org/tags/rayverse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayverse</span></a></p>
Tyler Morgan-Wall<p>After setting up the required infrastructure on CRAN with several packages providing static libraries, I finally have some new <a href="https://fosstodon.org/tags/rayverse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayverse</span></a> features on the way! Shown here: dynamic sky generation for a given lat/long and time of day, based on the Hosek-Wilkie radiance model. </p><p><a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RStats</span></a> <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a></p>
Tyler Morgan-Wall<p>Great 3D <a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RStats</span></a> <a href="https://fosstodon.org/tags/dataviz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dataviz</span></a> of <a href="https://fosstodon.org/tags/gaming" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>gaming</span></a> data (!) on DIB on the distribution of frags in the classic Counterstrike map, de_dust2. The author followed a tutorial by @mrpecners.bsky.social (not on mastodon) and commented that the hard part was getting the data--the 3D rendering was trivial!👍 Shows the power of a good tutorial and <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a>!😀 </p><p><a href="https://www.reddit.com/r/dataisbeautiful/comments/1jlg2nv/oc_density_of_the_location_of_the_frags_in/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">reddit.com/r/dataisbeautiful/c</span><span class="invisible">omments/1jlg2nv/oc_density_of_the_location_of_the_frags_in/</span></a></p>
terence<p>Happy Lunar New Year!</p><p><a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a> adventures, an <a href="https://fosstodon.org/tags/rstats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rstats</span></a> tale</p>
Tyler Morgan-Wall<p>1/3‼️New <a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RStats</span></a> package update! And it's a doozy! Announcing rayrender v0.38.0: the emoji + denoiser update! text3d() now support custom fonts and emojis (for better or for worse😉), and <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a> now has realtime denoising support via OIDN! Which means no more multi-hour renders—Merry Christmas!</p>
terence<p>Happy <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a> holidays!</p><p><a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a> adventures, an <a href="https://fosstodon.org/tags/rstats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rstats</span></a> tale</p>
Tyler Morgan-Wall<p>Snake, snake, Santa Claus snake...</p><p><a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RStats</span></a> <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a></p>
Tyler Morgan-Wall<p>The results of my personal "advent of code" are almost ready to come down the chimney! 🎄🎁🎅</p><p><a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RStats</span></a> <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a></p>
Tyler Morgan-Wall<p>😭 Nooo! You have to track sample probabilities and use multiple importance sampling to balance BRDFs, lights, and environment maps for unbiased convergence, or your rendering will be biased AND noisy!</p><p>🤪 haha denoising makes renderer go brrr</p><p><a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RStats</span></a> <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a></p>
Tyler Morgan-Wall<p>4/4 I've been thinking about render speed since talking to a few journalists who've used <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a> for real <a href="https://fosstodon.org/tags/DataViz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>DataViz</span></a> work under extremely tight deadlines: for some people, the ability to iterate, change, and render quickly can be the deciding factor on whether to use a tool or not!</p>
Tyler Morgan-Wall<p>1/4 Denoising: Absolute game-changer for pathtracing/3D <a href="https://fosstodon.org/tags/Dataviz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>Dataviz</span></a>! The below video was captured in realtime (!) with <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a> in <a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RStats</span></a>. I was worried for a while about CRAN portability (this requires an install of OIDN), but my configure-fu has gotten good enough that I can work around that now.</p>
terence<p>Turns out path tracing 1.4 million points takes a while, even with <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a>'s speed upgrade. 😅</p><p>Need to rethink this. Can't just throw computing power at it. The city of Montréal has over 9 billion.</p><p>So I thought, "What if I save an obj file and use *gasp* <a href="https://fosstodon.org/tags/blender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>blender</span></a>?" But the points don't save so that route's out.</p><p>Hmm.</p>
Tyler Morgan-Wall<p>1/3 ‼️Package update alert‼️Need a doomscrolling break? How about a dramatically faster version of <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a> to clear your mind! Developed using the nice C/C++ features of the new <span class="h-card" translate="no"><a href="https://fosstodon.org/@Posit" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@<span>Posit</span></a></span> Positron IDE, rayrender is more than 40% faster than before! Less heat, less time, faster 3D data viz!</p><p><a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RStats</span></a> <a href="https://fosstodon.org/tags/rayverse" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayverse</span></a></p>
terence<p>Going to play with caustics in <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a> for a bit.</p>
Tyler Morgan-Wall<p>"Let me try implementing a 4-wide BVH to see if I can use SIMD to speed up pathtracing by a decent factor..."</p><p>(implements it)</p><p>"Why is this still so slow? Let's profile the compiled code on a line-by-line basis..."</p><p>(discovers previously unknown C++ footgun that is wasting lots of cpu cycles needlessly, and that I would never have discovered without detailed profiling tools)</p><p>"Okay, let's see how the new implementation performs..."</p><p>🤯 🤯 🤯 Almost 16x faster!</p><p><a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RStats</span></a> <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a></p>
Tyler Morgan-Wall<p>Fantastic work and journalism by the team at Bloomberg Graphics that used R, rayshader, and rayrender to produce the 3D animations to accompany this story on the rubble and scale of the cleanup effort in Gaza!</p><p>"Gaza Reduced to 42 Million Tonnes of Rubble. What Will It Take to Rebuild?" </p><p>By Fadwa Hodali, Fares Akram, Jason Kao, Jennah Haque, Jeremy C. F. Lin</p><p>Link: <a href="https://www.bloomberg.com/graphics/2024-gaza-who-will-pay-to-rebuild/" rel="nofollow noopener noreferrer" translate="no" target="_blank"><span class="invisible">https://www.</span><span class="ellipsis">bloomberg.com/graphics/2024-ga</span><span class="invisible">za-who-will-pay-to-rebuild/</span></a></p><p><a href="https://fosstodon.org/tags/RStats" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>RStats</span></a> <a href="https://fosstodon.org/tags/rayshader" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayshader</span></a> <a href="https://fosstodon.org/tags/rayrender" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>rayrender</span></a> <a href="https://fosstodon.org/tags/dataviz" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>dataviz</span></a></p>