How to detect screen plane/layer plane?

[AFDesign 0]

Hi,

I'm working with a 2D path object plugin, and I'd like to detect if the path has been created on a screen plane or layer plane. 

 

I tried this:

GetObjectVariableBoolean(handle, 1160);

using both plugin and path handles, but I always get the same result drawing in screen plane or layer plane.

 

 

Any advice is appreciated, thanks!

 

Andrea

[Pat Stanford 555]

Try using GetObjectVariableBoolean (handle, 651)  This should return True for a Screen Plane Object.   

 

Also take a look at 650 which will return true for a 3D (Layer Plane) object. 

[AFDesign 0]

Thank you Pat, I tried but I always receive the same result, using 650 and 651. Maybe it is possible to detect if the plane is horizontal or tilted?

[Pat Stanford 555]

Can you post a small sample file showing this issue. I just tested this before I posted.

 

I drew a line in layer plane. Duplicated it and converted to Screen Plane and then ran the following one-line script.

 

Message(Date(2,2),' 650:',GetObjectVariableBoolean(FSActLayer,650),' 651:',GetObjectVariableBoolean(FSActLayer,651));

Message(Date(2,2),' 650:',GetObjectVariableBoolean(FSActLayer,650),' 651:',GetObjectVariableBoolean(FSActLayer,651));

I get reversed results between the Layer and Screen plane versions.

[AFDesign 0]

Sorry I'm using a 2D path plugin so I can't post a small sample. I will create a new 2d path plugin and I will try your advice on it! I will let you know if it works tomorrow.

 

Thank you!

[JBenghiat 176]

Try GetPlanarRef(). I can’t recall off the top of my head if 0 is ground or screen. 

[AFDesign 0]

GetPlanarRef doesn't work too. I created a new 2d path plugin and GetObjectVariableBoolean 650 and 651 works correctly, Pat!

I will check what's wrong in my code.

 

EDIT:

Now I understood. Variable 650/651 read if an object is 2D or 3D: a 2D object in a custom plane is detected as 3D. For this reason the new plugin I created works, because I only created a 2D polyline to test. But my plugin use the 2D path to create a 3D object, so I receive the same value because my object is a 3D object, in both screen or plan mode.

 

The only way to solve my problem is being able to read the custom plane tilt, but I didn't find a command for this.

(I found GetWorkingPlaneN but it isn't relative to an object)

 

 

Thank you all!

 

Edited May 7 by AFDesign