Diary for today

tex/forest.bib

@@ -910,4 +910,49 @@ @article{szirmay2022adapting
   pages={4383--4395},
   year={2022},
   publisher={Springer}
-}
+}
+
+@inproceedings{keninck2019non,
+  title={Non-parametric realtime rendering of subspace objects in arbitrary geometric algebras},
+  author={De Keninck, Steven},
+  booktitle={Advances in Computer Graphics: 36th Computer Graphics International Conference, CGI 2019, Calgary, AB, Canada, June 17--20, 2019, Proceedings 36},
+  pages={549--555},
+  year={2019},
+  organization={Springer}
+}
+
+@article{hadfield2021exploring,
+  title={Exploring novel surface representations via an experimental ray-tracer in cga},
+  author={Hadfield, Hugo and Achawal, Sushant and Lasenby, Joan and Lasenby, Anthony and Young, Benjamin},
+  journal={Advances in Applied Clifford Algebras},
+  volume={31},
+  pages={1--33},
+  year={2021},
+  publisher={Springer}
+}
+
+@inproceedings{lengyel2001real,
+  title={Real-time fur over arbitrary surfaces},
+  author={Lengyel, Jerome and Praun, Emil and Finkelstein, Adam and Hoppe, Hugues},
+  booktitle={Proceedings of the 2001 symposium on Interactive 3D graphics},
+  pages={227--232},
+  year={2001}
+}
+
+@article{karpavicius2013real,
+  title={Real-time visualization of Moebius transformations in space using Quaternionic-Bezier approach},
+  author={Karpavicius, Vytautas and Krasauskas, Rimvydas},
+  year={2013},
+  publisher={V{\'a}clav Skala-UNION Agency}
+}
+
+@article{nelson2017visualizing,
+  title={Visualizing hyperbolic honeycombs},
+  author={Nelson, Roice and Segerman, Henry},
+  journal={Journal of Mathematics and the Arts},
+  volume={11},
+  number={1},
+  pages={4--39},
+  year={2017},
+  publisher={Taylor \& Francis}
+}

trees/refs/hadfield2021exploring.tree

@@ -0,0 +1,17 @@
+% ["forest"]
+\title{Exploring novel surface representations via an experimental ray-tracer in cga}
+\date{2021}
+\author{Hugo Hadfield}\author{Sushant Achawal}\author{Joan Lasenby}\author{Anthony Lasenby}\author{Benjamin Young}
+\taxon{reference}
+
+\meta{bibtex}{\startverb
+@article{hadfield2021exploring,
+ title = {Exploring novel surface representations via an experimental ray-tracer in cga},
+ author = {Hadfield, Hugo and Achawal, Sushant and Lasenby, Joan and Lasenby, Anthony and Young, Benjamin},
+ year = {2021},
+ journal = {Advances in Applied Clifford Algebras},
+ volume = {31},
+ pages = {1--33},
+ publisher = {Springer}
+}
+\stopverb}

trees/refs/karpavicius2013real.tree

@@ -0,0 +1,14 @@
+% ["forest"]
+\title{Real-time visualization of moebius transformations in space using quaternionic-bezier approach}
+\date{2013}
+\author{Vytautas Karpavicius}\author{Rimvydas Krasauskas}
+\taxon{reference}
+
+\meta{bibtex}{\startverb
+@article{karpavicius2013real,
+ title = {Real-time visualization of Moebius transformations in space using Quaternionic-Bezier approach},
+ author = {Karpavicius, Vytautas and Krasauskas, Rimvydas},
+ year = {2013},
+ publisher = {V{\'a}clav Skala-UNION Agency}
+}
+\stopverb}

trees/refs/keninck2019non.tree

@@ -0,0 +1,16 @@
+% ["forest"]
+\title{Non-parametric realtime rendering of subspace objects in arbitrary geometric algebras}
+\date{2019}
+\author{Steven De Keninck}
+\taxon{reference}
+
+\meta{bibtex}{\startverb
+@inproceedings{keninck2019non,
+ title = {Non-parametric realtime rendering of subspace objects in arbitrary geometric algebras},
+ author = {De Keninck, Steven},
+ year = {2019},
+ booktitle = {Advances in Computer Graphics: 36th Computer Graphics International Conference, CGI 2019, Calgary, AB, Canada, June 17--20, 2019, Proceedings 36},
+ pages = {549--555},
+ organization = {Springer}
+}
+\stopverb}

trees/refs/lengyel2001real.tree

@@ -0,0 +1,15 @@
+% ["forest"]
+\title{Real-time fur over arbitrary surfaces}
+\date{2001}
+\author{Jerome Lengyel}\author{Emil Praun}\author{Adam Finkelstein}\author{Hugues Hoppe}
+\taxon{reference}
+
+\meta{bibtex}{\startverb
+@inproceedings{lengyel2001real,
+ title = {Real-time fur over arbitrary surfaces},
+ author = {Lengyel, Jerome and Praun, Emil and Finkelstein, Adam and Hoppe, Hugues},
+ year = {2001},
+ booktitle = {Proceedings of the 2001 symposium on Interactive 3D graphics},
+ pages = {227--232}
+}
+\stopverb}

trees/refs/nelson2017visualizing.tree

@@ -0,0 +1,18 @@
+% ["forest"]
+\title{Visualizing hyperbolic honeycombs}
+\date{2017}
+\author{Roice Nelson}\author{Henry Segerman}
+\taxon{reference}
+
+\meta{bibtex}{\startverb
+@article{nelson2017visualizing,
+ title = {Visualizing hyperbolic honeycombs},
+ author = {Nelson, Roice and Segerman, Henry},
+ year = {2017},
+ journal = {Journal of Mathematics and the Arts},
+ volume = {11},
+ number = {1},
+ pages = {4--39},
+ publisher = {Taylor \& Francis}
+}
+\stopverb}

trees/uts-0018.tree

@@ -11,6 +11,20 @@
 
 \subtree[2024-09]{
 
+\mdblock{09-16}{
+- found
+  - [symbolica](https://github.com/benruijl/symbolica) for Rust and Python
+  - [Rusph](https://github.com/JackNarvaez/Rusph): SPH algorithm in Rust for astrophysical simulations
+  - [Bevy](https://bevyengine.org/): a game engine in Rust that could also be used for simulations
+- looking for materials related to ray-marching with GA, found
+  - \citek{keninck2019non}
+  - \citek{hadfield2021exploring}
+  - \citek{karpavicius2013real}
+  - \citek{nelson2017visualizing} [talk](https://www.youtube.com/watch?app=desktop&v=YpKWa8vrULk&t=1629s)
+  - [pga3.glsl](https://git.sr.ht/~srasu/game_engine/tree/master/item/shader/include/pga3.glsl)
+  - [Normals and the Inverse Transpose, Part 1: Grassmann Algebra](https://www.reedbeta.com/blog/normals-inverse-transpose-part-1/) in 2018
+}
+
 \mdblock{09-15}{
 - found [Compile Julia code to WebAssembly](https://tshort.github.io/WebAssemblyCompiler.jl/stable/)
 - found [SHADERed](https://shadered.org/shaders) as another source of shader examples, particularly some are written in Rust, supported via one of its plugins