Fixed and variable parameters.

[jruiz]

I was wondering if

1. Is it possible for the parameters used in a FreeCAD project to be explicitly declared as constant or variable (as user decide, and maybe as constants for default) ? and
2. If so, would this declaration speed up the process of recalculating the objects of the project?

Greetings

[adrianinsaval]

Can you give a example usecase? What do you mean by variable or constant? If with constant you mean a value that you set and then can't change anymore I don't think constant is a good default.
I'm not an expert but I don't think that would give any significant speedup, if I'm not mistaken the most computationally intensive are the occ functions. If you set the length of a pad as "constant" but you change the sketch it would have to be recomputed from scratch anyway so no speedup there.

[jruiz]

Can you give a example usecase?
What do you mean by variable or constant? If with constant you mean a value that you set and then can't change anymore I don't think constant is a good default.

Well, I am talking about a parameter that the user set "manually", do not depends on any other parameter(s) and are supposed not to be modified.
(I don't know how FreeCAD works "internally" but) I was thinking that if constant parameters have not to be recomputed, just variable ones, then some computation time could be saved.

I'm not an expert but I don't think that would give any significant speedup, if I'm not mistaken the most computationally intensive are the occ functions...

Thank you very much for this information.