Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: sobriquet Newsgroups: sci.math Subject: Re: color logic Date: Sat, 8 Mar 2025 23:58:19 +0100 Organization: A noiseless patient Spider Lines: 38 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Sat, 08 Mar 2025 23:58:19 +0100 (CET) Injection-Info: dont-email.me; posting-host="eca4ec566f6209a738ddbc87664480fa"; logging-data="382094"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18m2w0Z87aLUw7Ge/XKpcsnPTqsc/oBtP4=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:wMk6yDabvdFb/QdKbPXf6pQz+OI= In-Reply-To: Content-Language: nl, en-US Bytes: 2251 Op 08/03/2025 om 21:54 schreef Chris M. Thomasson: > On 3/8/2025 5:23 AM, sobriquet wrote: >> Op 03/03/2025 om 07:13 schreef sobriquet: >>> Op 02/03/2025 om 21:52 schreef Chris M. Thomasson: >>>> On 3/2/2025 10:57 AM, sobriquet wrote: >>>>> >>>>> https://imgur.com/a/vpkFeAi >>>> >>>> >>>> Nice! >>> >>> >>> Thx.. with this updated sphere model I should be able to do a >>> desmos version of this old blender graphic: >>> >>> https://i.imgur.com/gEtcLPQ.png >> >> A bit slow, but it does work... (c slider toggles shading) >> >> https://imgur.com/a/OXqYzK3 > > Nice. The circles look like they are filled using a gradient to make > them look like spheres? Can't really tell if they are using any coloring > from ray tracing/marching. Yeah, no ray tracing/marching.. just gradients to give the impression of 3D shapes. https://www.desmos.com/calculator/rw0ywpvdiq Useful if you want to go beyond the constraints of traditional 2D geometric art (artwork by Auguste Herbin): https://i.imgur.com/59KdhJQ.jpeg To combine it with pseudo-3D (artwork by James Wille Faust): https://i.imgur.com/AZhSuhZ.jpeg