Help with this uniform color node- red dashed line

Question

I try to add a grunge map here, but the color is not showing. Anyone knows what couse this? Thanks a lot!

davescm · Accepted Answer

In addition to the information given by @radlolyoshi5E2E , you will see that many nodes have a dot in one of the input connectors. That input is the primary input and is used for inheritance of parameters such as output size and also where a node can be colour or grayscale which of the two is chosen.

You can read more about inheritance here : https://substance3d.adobe.com/documentation/sddoc/inheritance-in-substance-compositing-graphs-225971905.html

Dave

radlolyoshi5E2E · Answer

This is because the background texture is a grayscale image, so the texture inserted on the foreground MUST be the same type of image(in this case, grayscale). If you want to convert the grunge to a color, I suggest using a gradient map on the grunge map. The one key takeaway from this, is that the half orange half grey symbol on a mode means that what type you put in there will likely depend on what type you insert into other parts of that node.

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