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Keenan Crane Retweeted
Just pushed a
#polyscope update with lots of small features and bugfixes
Change the "up" direction, preserve settings when re-registering quantities, save and restore the camera with ctrl-c/ctrl-v, and more!
Check it out: http://polyscope.run pic.twitter.com/wcP3dIuyufThanks. Twitter will use this to make your timeline better. UndoUndo -
Nice bachelor's thesis by Christian Clemenz that writes up some aspects of "Globally Optimal Direction Fields" in detail, including treatment of boundary conditions and sharp edges: https://pdfs.semanticscholar.org/5870/0fd0ce4e2205c93370d33c8635e7ef5a1a74.pdf&hl=en&sa=X&d=5695615897048396540&scisig=AAGBfm1hrb01MXg6uakLq1Mtv2GTz4LXcg&nossl=1&oi=scholaralrt&hist=Qs9FzFUAAAAJ:17436594979730366477:AAGBfm2VDlAVwcCLcQE8cyVMyEZDmWIpbA … Original project here: http://www.cs.cmu.edu/~kmcrane/Projects/GloballyOptimalDirectionFields/index.html …pic.twitter.com/Lj3geaiJmz
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Most useful thing I have learned about Mathematica in the past year: you *can* actually tell it that some variables are (always!) real, positive, etc., using the global $Assumptions list.
@WolframResearch@Wolfram_Alpha#Mathematicapic.twitter.com/VYzEBoDZIa
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Great stuff from
@dcoeurjo and@nmwsharp for rapidly prototyping geometric algorithmshttps://twitter.com/libdgtal/status/1214095579640475648 …Thanks. Twitter will use this to make your timeline better. UndoUndo -
(The other point of a caption, of course, is to totally oversell your research—which is really just bananas.
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I find that many students struggle early on to write good figure captions. A good caption doesn't just explain what’s already apparent in an image—it highlights how a specific example supports a more general principle, and explains why that principle is relevant or interesting.pic.twitter.com/8OYGQv5bXX
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How do you chop up a tetrahedron into nicely-shaped little cubes? Here's one way, obtained a la symmetric moving frames (http://www.cs.cmu.edu/~kmcrane/Projects/SymmetricMovingFrames/index.html …). How else can you do it?pic.twitter.com/Cx3WyjYTJm
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Keenan Crane Retweeted
Integration example project between
@libdgtal (geometry processing of digital/voxel data) and the excellent@nmwsharp ‘s polyscope viewer (http://polyscope.run ):https://github.com/dcoeurjo/polyscope-dgtal …Thanks. Twitter will use this to make your timeline better. UndoUndo -
Keenan Crane Retweeted
Want to change the way the world thinks about geometric computing? The Geometry Collective at Carnegie Mellon University is looking for PhD students for 2020/2021. Topics include mesh processing, discrete differential geometry, and computational design. https://applygrad.cs.cmu.edu/apply/index.php?domain=1 …pic.twitter.com/ppOIVRmIXF
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Keenan Crane Retweeted
Awesome presentation/paper on optimal stripe patterns & pattern formation by
@keenanisalive https://www.youtube.com/watch?v=H3GauH8IOx4 …pic.twitter.com/TvUZ0nSuNf
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More info about
@GeomCollective@SCSatCMU here: http://geometry.cs.cmu.edu/ http://www.cs.cmu.edu/~kmcrane/ Applicants with an interdisciplinary background (e.g., CS + math or CS + physics) are especially encouraged to apply. Deadline is December 12, 2019!Show this threadThanks. Twitter will use this to make your timeline better. UndoUndo -
Want to change the way the world thinks about geometric computing? The Geometry Collective at Carnegie Mellon University is looking for PhD students for 2020/2021. Topics include mesh processing, discrete differential geometry, and computational design. https://applygrad.cs.cmu.edu/apply/index.php?domain=1 …pic.twitter.com/ppOIVRmIXF
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Nominations can be sent to technical-awards@siggraph.org and should include a suggested citation (short phrase starting with "for .. ") and a nomination statement (maximum of 500 words) addressing why the candidate should receive the award.
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The SIGGRAPH Technical Awards Committee is soliciting nominations for the 2020 Computer Graphics Achievement and Significant New Researcher Awards: https://www.siggraph.org/about/awards/ Help our community flourish by nominating the (many!) deserving graphics researchers. Deadline Jan 31 2020pic.twitter.com/9JOdHRyjp7
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Keenan Crane Retweeted
Simulation and field-driven five axis FDM/FFF/AFP/ATL? Constant width plies of known width on arbitrary surface curvature? Layers generated from spatially varying offsets that never fail? C-∞ blends? Centerline+Normal and STEP output? Yeah, we're on it.
@nTopology#formnext2019pic.twitter.com/SCT7AH1ynJ
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In college I recreated “The Gibson” from Hackers as an interactive OpenGL program. As of tonight it still runs on my 2004 PowerBook G4.
#hacktheplanet#TBTpic.twitter.com/dAs4LtiL44Show this threadThanks. Twitter will use this to make your timeline better. UndoUndo -
*Where B₀(x)=(1−x)³, B₁(x)=3x(1−x)², B₂(x)=3x²(1−x), B₃(x)=x³ are the cubic Bernstein polynomials. https://en.wikipedia.org/wiki/Bernstein_polynomial …
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How do you ensure that a cubic Bézier* f(x)=∑ᵢ cᵢBᵢ(x), is strictly increasing? A: Pick coefficients such that c₁>c₀, c₃>c₂ and (c₁²+c₂²+c₀(c₃−c₂)−c₁(c₂+c₃))/(c₀−3c₁+3c₂−c₃) > 0. (Who says you don't learn anything useful in high school math?)pic.twitter.com/2u29m4D6BA
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Nice background on convex duality; particularly useful for anyone interested in digging deeper into our algorithm for optimal cone singularities: http://www.cs.cmu.edu/~kmcrane/Projects/OptimalCones/ …https://twitter.com/dohmatobelvis/status/1190460598808694786 …
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