Select What You Want in Geometry Nodes - Blender Tutorial

Check out my new procedural modelling bundle: https://www.nodegroup.xyz/procedural-columns-masterclass-bundle In today's lesson we're going to be diving deep into selections. Learning this well will be transformative to your procedural workflows, not just in Geometry Nodes but across all procedural systems. Grab my file here: https://www.patreon.com/posts/88721784/ Correction: Accumulate Field node's "Total" output does not tell you how many elements have been counted, it returns the sum total of whatever values it has counted up. When the Value is 1 as in mine, that means it added 1 per element which is why I worded it that way. $40 off a holographic display? Yes please. https://look.glass/erin Geometry Nodes Toolkit: https://gum.co/erintools Merch? https://erindale.threadless.com/ Discord: https://discord.gg/erindalexyz Courses Beginner Geometry Nodes: https://www.canopy.games/p/bcs-geometry-nodes-3x?affcode=379023_i5skfa8n Advanced Geometry Nodes: https://www.canopy.games/p/advanced-geometry-nodes-for-blender-3-3-1?product_id=4353058?affcode=379023_i5skfa8n Procedural Materials: https://www.canopy.games/p/procedural-materials-in-blender?affcode=379023_i5skfa8n Contents: 00:00 - Intro 02:12 - What are selections? 03:19 - Booleans 06:16 - Joining Booleans 07:55 - What is an index? 08:45 - Vertex Group Selection 10:14 - How floats are interpolated 11:30 - Float to Integer node 13:16 - Selections with Empties 16:27 - Index-based Selections 19:12 - Selecting a grid row 20:50 - Selecting a grid column 23:06 - Duplicate Index 24:55 - Mesh Island Index 26:10 - Index per point per island 28:11 - Splines 29:05 - Spline Parameter Index 30:47 - Index on Spline Domain 32:50 - Position-based Selections 35:19 - Normal-based Selections 37:15 - Raycasted Selections 40:10 - Curve Attribute Selections 42:20 - Curve Corner Selections 47:08 - Expand Selections 53:35 - Flatten Region Exercise Patreon: https://www.patreon.com/erindale Threads: https://www.threads.net/e.r.i.n.d.a.l.e/ Twitter: https://twitter.com/erindale_xyz Instagram: https://www.instagram.com/e.r.i.n.d.a.l.e/ Gumroad: https://gumroad.com/erindale Blender Market: https://blendermarket.com/creators/erindale