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Messages - Thibaud Van Vreckem

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I'm using the amazing tile sampler in my graph and would like to expose it's pattern drop down selection to the graph.
but with a reduced patterns list.
So I've added as input tweak in my graph a integer1 parameter of type dropdown list.

and I wired the Tile sampler pattern dropdown to that graph parameter.

The problem is that for some reason changing the parameter does not update or change the tile sampler output in any way.
Is there any restriction related to way the tile  Sampler is constructed or did I miss something else ?

Ok the problem actually occurs when changing the dropdown selection in the preview tab.
Things seems to work ok when changing the default checkbox in the parameter tab

Thanks a lot for the detailed answer.
I must say Artifacts related to the random seed feature do scare me off...
would they still occur if the random seed option is turned off in the publishing ?

My other option obviously is to wait for SD2020.2...
would you be able to provide any (even very approximative) release date estimate ?

I'd like to have inputs into a substance that output white instead of black when nothing is feeded into them.

The solution I used was to rely on a switch that the user has to turn on to display the input.
When the switch is turned off everything is fine because I'm outputting white.
As soon as the switch is turned on and before the user enters a map to feed the input it outputs blacks.
I'd like to avoid that.
is there perhaps a way to know if an input path is empty or something ?

Thanks for the quick reply Luca.
I can't wait for the next release.. I could really use that feature now.

I'm building a substance that provides various switchable input slots.
the switch is made with a simple Switch greyscale.
Uniform white in 'false' and the input image in 'yes'.
Obviously this results in significant changes down the flow as soon as the inputs are switched on.

Would you be aware of any workaround with the current release to avoid this ?

On this doc page:
the following sentence:
"Lets you use another value than black as default input, if nothing is connected to this slot. Since SD 2020.2"
hints at a functionality present in 2020.2.
are the doc ahead of the release schedule ? because I don't think 2020.2 is a thing yet.

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