What does the notes means?

[Victor Panggabean]

Hi @theluthier what does the notes “input value used for unconnected socket” means? Thanks

[Adrian Bellworthy]

Hey Victor, It basically means you can input a value manually when there is nothing connected to the input socket (unconnected). Just click and enter a value. If you connect a noodle from the output of another node to the input socket to the left you no longer have the option to enter a value manually.

Hope this makes sense.

[spikeyxxx]

This means that when an input socket is not connected (unused), the value (or values, when it’s a non-grey socket) in that field is used.

All input sockets have a default that is used, when nothing is plugged in:

Mostly (grey sockets) a single value that is written in the field right of that socket and sometimes a default color (yellow socket), which is also called value in the tooltip, but sometimes, when there is no field, just a name (usually only with purple sockets), there is not just a single vector or value. In the above example the Musgrave and Gradient Textures use  Generated Coordinates  when nothing is plugged in and the Image Texture Node uses UV Coordinates by default.

It can be that you don’t want to use a single value for something and then you can plug in a texture, like in the screenshot, I plugged a Gradient Texture into the Scale of the Musgrave, so the scale changes from left to right.

I hope this helps a bit in understanding and is not too confusing 🙂

[Victor Panggabean]

thanks for the detailed explanations @adrian2301 and @spikeyxxx . Anyway i thought it was a note that was added by Kent to explain something.

[spikeyxxx]

These are called Tooltips and they used to be on by default, but if you are using a more recent Blender version, they are off by default. You can enable them in the Preferences:

[Victor Panggabean]

Thank you @spikeyxxx 

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