28 votes
Accepted

Is it possible to paint only on selected vertices in vertex paint?

Face selection masking is available in the 3D header when in 'Vertex Paint' mode: Because this works on faces you will only be able to paint vertices that make up a face, individual vertices or edges ...
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10 votes

Is it possible to paint only on selected vertices in vertex paint?

One way you can do this is with the mask modifier: Add a vertex group of the vertices you want to paint on (or the area you don't want to paint on, whichever is easier) Add a mask modifier and toggle ...
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  • 152k
10 votes

Bake a texture to vertex color in Blender 2.8

It's not as full-featured as the script you've posted, but I've come up with a very simple Bake-UV-to-Vertex-Colors script: ...
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6 votes

Vertex color gradient is not linear

The gradient is linear but not in the colourspace you are expecting - as evidenced by the following : Here the Attribute node is making the Vertex Color (Col) available to the shader. This is split ...
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  • 42.1k
5 votes
Accepted

Is it possible to unwrap materials made in Vertex Paint?

You can bake Vertex colors to a texure. Starting from a vertex color layer as in the picture below you must unwrap your model (which may consist of one or multiple meshes) and create a new image to ...
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  • 24k
5 votes

Is there a way to set vertex color of selected vertices with single click?

You can apply the currently active vertex color for all vertices at once while in Vertex Paint Mode. Just select (Paint -> Set Vertex Colors) from the header menu. Basically, you set the dominant ...
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  • 471
5 votes

Is there a way to set vertex color of selected vertices with single click?

Yes, there is a way. Edit Actually, you can skip Edit mode. One can also select vertices directly in Vertex paint mode and then "Paint -> Set vertex colors" Tab into edit mode, and ...
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  • 51
4 votes
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Is it possible to set the vertex color alpha component?

There is no alpha component in vertex colors in Blender. The property is array with size 3, not 4. You can have any amount of Vertex color layers though.
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4 votes
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Per face vertex coloring

You can achieve this using Texture Paint and a carefully crafted UV map with each face taking up the space of only one pixel. This will mean that the entire face relates to a single pixel in the image ...
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  • 42.1k
4 votes

Per face vertex coloring

Adjacent faces can have different plain colors, and a vertex can have a different color for each face it participates to. In 2.79, it's possible to select the faces in Vertex Paint mode, and use 'Set ...
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  • 1,111
4 votes
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Flat vertex painting, or face painting?

Select faces in Edit mode Switch to Vertex Paint mode and press Face selection masking for painting button (3D view -> bottom panel -> button with cube icon (next to layers selection) Press ShiftK to ...
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4 votes

Does Blender support linear colorspace for vertex colors?

Answering my own question here. Looks like if I use Collada exporter the colors are correct. So they must use linear color space. Maybe it is more of a responsibility of the export plugin to set the ...
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4 votes
Accepted

set a specified vertex color to black via python

Look at the loop vert. Using a method similar to Applying per-vertex colors to new Bmesh ...
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  • 77.7k
4 votes
Accepted

Change vertex color by selection

Yes, you can select vertex while in paint mode. Just switch to the select tool and change selection mode to vertex. Also note that if you select vertex in edit mode and then switch to paint mode, the ...
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  • 573
4 votes

Is there a way to set vertex color of selected vertices with single click?

You still have to go through some steps, but you can save yourself from having to paint the colors on in a tedious way. Here a little explanatory video: It's with your words, "flood filling" all ...
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  • 4,320
4 votes

How would one paint a narrow circle around the edge of a circular object in blender

In general, it doesnt sound as useful to draw narrow circle in Vertex Paint. For such result you would need a lot of vertices or very specific vertices for this purpose. It would be better if you can ...
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  • 27.4k
3 votes

Is it possible to copy and paste vertex weight?

In Weight Paint Mode you can set Weight by pressing Shift + K. Toggle Vertex Selection Masking to select the vertices Set the Weight (use @joshsanfelici technique to copy vertex value) Press Shift +...
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3 votes

How to export vertex colors or vertex group as polygroup for export?

Go to Edit Mode and select what you want to Polygroup. Go to Object Data tab and click plus next to Vertex Group then assign with your selection active and name if you like. On obj export make sure ...
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  • 31
3 votes
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In layman's term, what exactly is the difference of vertex paint and UV mapping?

Vertex painting is much more limited. Your mesh's resolution is the upper boundary to the texture detail you can have, since essentially you only have one color per vertex (this color can be a ...
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  • 15.2k
3 votes
Accepted

Is it possible to blend from 1 to zero in Vertext Paint mode?

Similar to the answer to Smoothing vertex_colors values this can be achieved by assigning the 'fixed color' vertices to a Vertex Group and using a script to 'smear' the color from those vertices over ...
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  • 42.1k
3 votes

How showing vertex paint in object mode blender 2.8

When in Solid Shading Mode, go to the config panel found in the top right corner of the viewport and for color select Vertex Colors where probably Material is currently selected
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  • 2,101
2 votes
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Set Vertex normals to vertex color in Python

You must set vcol with loop index, not vertex index, because those are loop data (i.e. one color per face corner): ...
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  • 3,337
2 votes
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"Vertex paint" or Cycles "Mix node" problem?

Having such problems with mask created by Vertex Paint: First check whether there are double vertices (W > Remove doubles). Recalculate normals with Ctrl + N. The result is better but still weird, ...
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  • 10.7k
2 votes

Vertex Paiting slightly hidden parts of the mesh

I think that is not possible to configure the vertex paint brush with the options provided by Blender at this time (2.75a) without scripting yourself the tool you need. The vertex brush simply cannot ...
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  • 24k
2 votes
Accepted

Multiple colors per vertex

That looks to me like you have a few overlapping faces. The give-away is that there's some shimmering (called "z-fighting") going on between unpainted white vertices and the yellow verts. With Vertex ...
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  • 37.9k
2 votes
Accepted

How to properly set VERTEX_PAINT mode from a python script?

If you used bpy.ops.screen.screenshot(ctx, filepath=destination, full=False) in the correct context it would save a screenshot of what you see in the viewport, but ...
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  • 37.9k
2 votes

Fill Mesh Components with Random Vertex Color

Thank you @Mr Zak, you got me pointed in the right direction. Going through the first links github, I found this... https://github.com/varkenvarken/blenderaddons/blob/master/connectedvertexcolors%20....
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  • 321
2 votes
Accepted

Shadow control by vertex paint

I'm aware I'm necroin' a 8 month post, but I'd like to aid any others who happen to come across this post in desperation for a solution. It took a whole day of investigating and cross-referencing, ...
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2 votes
Accepted

How to add realistic grunge to crevices

Okay I think I may have found the issue? Where you have an Add node I think you really want a Multiply node, as follows: And the render looks more like this: Which seems more like your reference ...
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  • 3,019
2 votes

Can I use the weigh paint information as color vertex information?

Well a few minutes after I posted the question here, I sent the question into a Slack Group and Julian Perez (@julper) found this great addon that fits exactly to what I was needing. I will share ...
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