Loss of colour on welded mechanic body

 Hello everyone,

In a mechanically welded assembly, I put colors to the tubes, at the level of the body, (plus being + light in the workshop)
But with each modification of a tube, or even of its sketch, I lose the colors, but not on all..., on the other hand it's always the same ones that lose their colors!
I only put one color, at the level of the body, and nothing else, because I thought for a while about priorities on appearance levels, but it doesn't come from there.

Anyone have the same problem?
Thank you
Hubert 

Hello;

Appearances on mechanically welded people are hell...
Are your "Colors" Appearances or materials?
See if it wouldn't be the "display states" that are causing a mess.... Try to delete them if you don't use them, or, at least, not to link them.
Check that you don't have two overlapping bodies, this sometimes happens with miter cuts (or when selecting construction sketches) use the transparency and/or the Up Resume bar (the blue one), gradually moving up the features, to identify them more easily.

Kind regards.
 

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Hello

These are appearances, not materials
I don't have overlapping bodies, and I only have one display state...
What's weird is that not all sets are bugging, on some, the colors remain

But when it bugs, it bugs all the time and always in the same way
Kind regards

 

Hello;

In this case, I would go more towards 'Remove appearances from Assemblages'.

On the main assembly, but also on the Sub-assemblies....
Note: Be careful to use 'Remove' and not 'Delete', even if the latter is reversible (CTRL+Z) there is still ... violent.
Kind regards

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Hello

I don't have an assembly, it happens at the part level...

Kind regards

 

Hello

Do you have symmetry or repetition in your piece? because there is an option "Propagate visual properties" which is often a problem.

I confirm that appearances are hell, especially when they are attached to surfaces.

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Hello

No symmetry or repetition, just groups of welded mechanical profiles.
It did it to me again this afternoon, but now all the bodies have lost their colors
mystery.... or bug
A+

Hubert

Hello everyone,
So I'm going back to my post because I found the answer by chance
In fact, you just have to uncheck the "transfer material" box in the mechanically welded functions.

And there you have it

If it can be useful...

A+ Happy Holidays 

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