[OpenSCAD] When modules are cached?
nop.head at gmail.com
Mon Oct 28 12:04:17 EDT 2019
Projection is very slow because it uses CGAL. I wonder if 2D geometry gets
cached because all the other 2D ops are very fast.
On Mon, 28 Oct 2019 at 15:59, Ronaldo Persiano <rcmpersiano at gmail.com>
> I think it is geometry that is cached with key from the module parameters
>> of the primitive that creates it. Are you sure they are all the same? and
>> the $ variables?
> There is no $ variables and not even parameters in the operator module. It
> returns just a simple 2D rectangle so the remaining code should be fast.
>> If the module has a lot of code that takes time to calculate, like a
>> sweep, then that will be executed each time I think. It is only the
>> geometry that isn't repeated.
> It is not my case. It involves linear_extrude and projection though.
>> Is this F5 or F6?
>> What happens if you wrap it with a render?
> No benefit.
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