3D Polyline does not appear

[alanchen123]

I use RealDWG to create a 3D polyline in RealDWG. But when using TrueView to open it, I see the following log text: Two vertices were added to a 3D pline(7F) which had no vertices. and there are nothing in the model_space block at all. I have attached the file.

[owenwengerd]

Did you have a question?

[alanchen123]

Yes, why the 3D Polyline I added do not appear?

[owenwengerd]

I don't have TrueView 2014 installed, but the polyline is visible in AutoCAD 2014. Maybe you just aren't looking in the right place for it? It has two vertices, both at the origin.

[StephenPreston]

The message you quote - 'Two vertices were added to a 3D pline(7F) which had no vertices' - tells us that you managed to add an AcDb3dPolyline to the DWG that didn't have any vertices. And the fact Owen sees a polyline with 2 vertices both at the origin implies that you sent him the DWG that had been corrected. Perhaps if you posted some code, someone could show you how you managed to end up with no verticesin your polyline.

BTW If you don't need any of the 'special' functionality of AcDb3dPolyline, you'd be better using AcDbPolyline instead.