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DXF Export With Layers (by Eric S)
Hi Jonathan,

We continue to love working with solvespace.

I spend quite a bit of time manually exporting individual groups so that when i import into the software we use for toolpathing i can keep everything clean and separated.

when we do use other tools to create drawings and use layers i've noticed that many of them respect individual layers on export which our downstream CAM software imports and preserves layers

Wondering here how difficult/trivial it would be to have solvespace implement groups/layers for in DXF export. It would cut down significantly on manual steps dowstream and more fully implement the DXF export


Also, and idea when you might make the next release/update of solvespace?


-Eric
Fri Oct 10 2014, 13:29:13
(no subject) (by Jonathan Westhues)
Thanks. DXF export with layers would be useful, and in theory could be just a one-to-one mapping to line styles in SolveSpace. The DXF file format is rather complex, and a more complete (e.g., supporting splines) implementation of that export filter would probably use a third-party library, like libdxf. Layers alone would be pretty simple, though.

In the meantime, I don't suppose your tools can infer layers from line color? Some of the export formats (though not DXF) support that.
Fri Oct 17 2014, 13:58:12
(no subject) (by Eric S)
Re:linestyles... Unfortunately, not.

Right now we're primarily using Vectric's vCarve Pro, which
respects layers when present in DXFs.

Additionally, it also supports setting tool path depths from z reference on imported content, but I've not been able to get this functinality to work (either with solvspace or other free/OSS DXF exports) just yet.

So a follow on question. if sketch groups are not on z0, does the current dxf export flatten the output, or do they go out on the specified z?

I have some questions about libDXF and how you might entertain contributions that allow for this type of functionality. I'll send you a PM.
Mon Oct 27 2014, 13:36:31
(no subject) (by Jonathan Westhues)
How are you exporting the DXF? File -> Export 2d View or Section projects everything into one plane, and always exports with z=0. File -> Export 3d Wireframe preserves z.
Mon Oct 27 2014, 13:51:05
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