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Theory - Data Structure
20 comments
Why blender is so hard to learn? All those terminologies contradict with other programs, mathematics or programming. Domains, attributes, layers and components doesn't mean what you think it means!!
@Alfred Lam I'm not sure what other programs you are referencing, but I think the more you learn about it the more you'll see how it isn't actually too different. You will always have some differences in naming between software.
@Simon Thommes Agree, just making sure that I will not duplicate my effort. All those terms, are they official terminology that the developer/documentation of blender uses. Don't really want to learn another set, just to understand the documentations when I need to reference it.
Thanks.
Thank you, Simon. Your work is awesome and payless
This is awesome. As a self-taught Blender artist, I feel like so many tutorials & classes skip over explaining the fundamentals. But this feels like the building blocks of information I've been missing.
Presumably geometry is also storing the references between vertices and edges, edges and faces, right? Is this something that's ever accessible through the spreadsheet?
@Gabriel Elkind This kind of data is not available in the spreadsheet, no
I work as programmer so presented knowledge is very useful to know. I like very much to understand what is happening. A "Domain" is something new to me and now I finally understand what spreedsheet shows. Usually I just ignore this window.
Is there a way to get the colored columns in the spreadsheet like in this video? I'm currently using 3.5.1. I tried to find a theme setting for it, but to no avail.
@Crisp Ness Oh! No the colors are just an edit I made in the video to point out what I am talking about, there is no such feature in Blender.
wonderful material, thank you so much. [on atributes]
.... [on attributes] "They can only be edited in geometry nodes". Can these also be edited in the python API? In general, I am interested in workflows combining geometry nodes and python
@Stefan Karlsson You can access all generic attributes via object.data.attributes and process them however you want with numpy or such. It's going to be a lot slower than geometry nodes though, so I'd recommend using them as much as possible.
Thank You :) Great Explained
Wonderful material
How does text fit into this model?
@Marty Fouts Text in terms of information can be passed around using the String datatype in Geometry Nodes. When you are talking about text in 3D space, that is done by converting the string using a font into geometry. You can use the String to Curves node to generate curves from the text. These you can then process like any other geometry. For example filling the curves and extruding the mesh.
@Simon Thommes In order to manipulate the extruded text with a following "Bevel" modifier, I needed to use a "Realize Instances" node.
This is excellent. As a programmer what I want is to understand the abstract data structures behind the nodes view. I don't get that from the documentation nor the YouTube tutorials. Thanks!
Very excellent! Thank you for a succinct explanation Thommes. :)
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