Garrett Johnson (@garrettkjohnson) 's Twitter Profile
Garrett Johnson

@garrettkjohnson

@Woven_Toyota | @NASAJPL | #threejs, graphics, open source, and a bunch of fun projects!

ID: 32826871

linkhttp://gkjohnson.github.io calendar_today18-04-2009 07:42:10

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Clay John (@john_clayjohn) 's Twitter Profile Photo

Inspired by BlueCube3310 who implemented bicubic sampling for reading from our lightmaps. I added some basic antialiasing to lightmap shadows. Together they make lightmaps much more viable at low resolutions!

Inspired by BlueCube3310 who implemented bicubic sampling for reading from our lightmaps. I added some basic antialiasing to lightmap shadows. Together they make lightmaps much more viable at low resolutions!
Garrett Johnson (@garrettkjohnson) 's Twitter Profile Photo

Just added an inertial animation option to the globe controls for 3d-tiles-renderer! Now you'll get some residual motion after moving the camera, which feels pretty nice 🌎 Of course it works with the new lunar data set from #cesium, as well! 🌒 #threejs #3dtiles #GIS

Nicole Feng (@nicolefeng_) 's Twitter Profile Photo

Signed distance functions (SDFs) are fundamental tools in graphics, vision, and physics simulation. But how do you get a high-quality SDF from messy, real-world input? At #SIGGRAPH2024, we introduced a simple method for turning "broken" geometry into a well-behaved SDF. <🧵>

Signed distance functions (SDFs) are fundamental tools in graphics, vision, and physics simulation. 

But how do you get a high-quality SDF from messy, real-world input? At #SIGGRAPH2024, we introduced a simple method for turning "broken" geometry into a well-behaved SDF. &lt;🧵&gt;
Björn Jónsson (@bjorn_jons) 's Twitter Profile Photo

Image PJ64_44 obtained by NASA's Juno Mission on Aug 18, 2024 in approximately true color/contrast and enhanced versions. North is up. The central north polar cyclone is visible above center at left.

Image PJ64_44 obtained by <a href="/NASAJuno/">NASA's Juno Mission</a> on Aug 18, 2024 in approximately true color/contrast and enhanced versions. North is up. The central north polar cyclone is visible above center at left.
Lucky Iyinbor (@luckyballa) 's Twitter Profile Photo

I did some research on mesh extraction from SDF last weekend, and I didn’t like what I saw… The best techniques I was able to find were dual contouring, surface nets, and restricted Voronoi adaptation, which only works for dense grids. Is there anything better?

I did some research on mesh extraction from SDF last weekend, and I didn’t like what I saw…

The best techniques I was able to find were dual contouring, surface nets, and restricted Voronoi adaptation, which only works for dense grids. 

Is there anything better?
Cesium (@cesiumjs) 's Twitter Profile Photo

Applications are due tomorrow, August 31, for this quarter's Cesium Ecosystem Grants. Grants are open to early-stage startups, educators, innovators, and students who are ready to grow the 3D geospatial ecosystem. Apply today! hubs.ly/Q02FfdYN0

Applications are due tomorrow, August 31, for this quarter's Cesium Ecosystem Grants. 

Grants are open to early-stage startups, educators, innovators, and students who are ready to grow the 3D geospatial ecosystem.

Apply today! hubs.ly/Q02FfdYN0
Andrea Gargaro (@agargaro_dev) 's Twitter Profile Photo

I will soon publish a new library to handle generic dynamic BVH (for frustum culling and raycasting), already used by my 'three.ez/instanced-mesh' library!🥳 repo: github.com/agargaro/bvh.js instanced-mesh: github.com/three-ez/insta… #threejs #webgl #webgl

Faraz (@cantbefaraz) 's Twitter Profile Photo

Shelving the #threejs volumetric cloud project for now. Spent way too much time on this, need a breather😅Some improvements from last time in thread below. Unfinished, dirty code here if you are intrested: github.com/FarazzShaikh/t… #webgl #creativecoding #threejsJourney

svg (@newgeographer2) 's Twitter Profile Photo

Finally going to write tutorials for ALL of my map making. I'll be sharing how I use gis tools for design and art. If you've followed my work over the years, what's the best platform/format to post tutorials?

Finally going to write tutorials for ALL of my map making. I'll be sharing how I use gis tools for design and art.
If you've followed my work over the years, what's the best platform/format to post tutorials?
Dr Robbi Bishop-Taylor 🛰️🌎🌊 (@satellitesci) 's Twitter Profile Photo

Happy to announce the fourth annual update of Geoscience Australia's #DEACoastlines coastal change dataset, featuring new annual shorelines for 2023! 🌊🛰️ Also new: a "layer selector" allowing you to easily switch between rates of change and annual shorelines at any level of zoom! 🗺