I recently discovered that the 3D dxf/dwg exporter will omit entities with their hidden flag set, but will export entities with non-visible tags. Both for consistency and to allow a more efficient workflow, I request that the exporter be updated to respect both ways to make parts of a model non-visible. Tags are the recommended way to make parts of a model, especially ones with large numbers of edges and faces, non-visible to speed up SketchUp’s performance. The same should be true for the dxf/dwg exporter.
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I agree. But the exporter developer would have to devise a way to deal with the situations where the existence of an entity is dependent on another that has a tag that is hidden. Now thinking of faces with edges with a turned off tag. Not the best workflow but happens sometimes.
I’d be willing to live with WYSIWYG, even with some confusing cases such as you describe. After all, those same issues (errors?) with use (misuse?) of tags occur in the model view. The exporter options already supports suppressing edges, faces, dimensions, etc., so clearly there is a mechanism that could ignore things on the basis of properties such as tags.