Can I use a weightmap to isolate a texture?

[Jimi Claybrooks]

I’m new to Blender, but I have used Lightwave. I’ve seen a weightmap used with instancing, like where some plants should grow. But I’ve never seed a weightmap used to control a texture using either procedural or image maps. Why is that? Can it be done? thanks

[Macario Lopez]

As far as I know in Blender weight map just defines a vertex group. 

I haven’t seen vertex groups as a way to control textures but you can do that with with alpha maps (black and white all the gradients in between) with either ones created procedurally or painted/created by yourself. 

[Martin Bergwerf]

Hi Jimi,

It certainly can be done.

It’s basically just Values between 0 and 1, assigned to the Vertices and those can be used to control anything you like, for instance:

Dynamic Paint also uses Weight Maps.

[Omar Domenech]

In Blender there are many ways to do one thing. So what are you trying to do? Because there might be another way you can achieve the result you’re after.

[Author]

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