Hi everyone, I’m new to the forum, not that new to Rhino but a bit rusty and have only ever used it in a fairly limited way since learning 3D modelling at uni a long time ago. I am now seeing if I can use it at work (completely unrelated to my uni days) , which I am enjoying. One thing I would li…

Here’s a basic example of coloring mesh vertices by their Z value using Grasshopper: [2022-04-21 11_02_34-Grasshopper - 220521_ColorMeshVerticesByZ_00_] 220521_ColorMeshVerticesByZ_00.gh (310.0 KB) You can open the file directly with Rhino or drag-and-drop it. If you’re looking to color the mes…

Thanks very much… I’ll have a look into that. Completely new to Grasshopper so no idea what I can do with it…

[image] Nick Sharwood-Smith: … so no idea what I can do with it… Probably most things you can imagine :wink: Here’s a list of relevant learning material if you decide to kick the tires a bit: [image] Kicking Off a Friendly Grasshopper Competition Amongst Three Co-Wor…

OK great. Its a nice distraction from the rest of my day job! Basic question … Does Grasshopper require an additional license or is it included with Rhino?

Grasshopper is a native Rhino plugin since Rhino 6. And it was always free. Also, an alternative route you might consider is to learn Python scripting using the EditPythonScript editor (i.e. not using Grasshopper at all). I would recommend starting with Grasshopper though. And then start using the …

Have a bit of time to look at this now. i think the colouring by Z value wont work for me. As I’m interested in using this for a 3D object with multiple faces, all that I would like to be able to colour based on local topography, if that makes sense. I’ll start to have a look through all the videos…

[image] Nick Sharwood-Smith: I’m interested in using this for a 3D object with multiple faces, all that I would like to be able to colour based on local topography, if that makes sense. You probably need to bare a bit more specific. Sharing example files and/or screenshots always helps …

Hi @Nick_Sharwood-Smith If your end product is rendering, you can also just use a simple planar mapping and a gradient bitmap to colour your geometry. Or if you can settle for 2 colours, there’s even a procedural gradient material. But as @AndersDeleuran wrote, it’s a good idea to tell us a bit mor…

[image] So here is a screen shot of an example. Its a mesh, imported as SubD but could just be a mesh. The part I’d be interested in, in this instance, is the part between the red lines, its a sacrificial bar anode so the purpose is to visually show how much material it has lost, surface pitting e…

[image] That’s how the surface looks close up

Render Heat Map on 3D Mesh / Surface in Rhino

Rhino

AndersDeleuran April 22, 2022, 7:29am 8

You probably need to bare a bit more specific. Sharing example files and/or screenshots always helps

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Render Heat Map on 3D Mesh / Surface in Rhino

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