Error using vlax-curve-getparamatpoint

[Bradley]

Hi all

 

I have an issue running vlax-curve-getparamatpoint.

 

The variable values are as follows:

 

_$ e1 ; this is a line I drew in AutoCAD
((-1 . <Entity name: 23241204d70>) (0 . "LINE") (330 . <Entity name: 232411ff9f0>) (5 . "24F") (100 . "AcDbEntity") (67 . 0) (410 . "Model") (8 . "0") (100 . "AcDbLine") (10 35.8604 5.94506 0.0) (11 45.8851 17.2402 0.0) (210 0.0 0.0 1.0))

 

_$ p3  ; this is the coordinates of some text I created in AutoCAD, located on the end of the line e1
(45.8851 17.2402 0.0)

 

Now I run the following command in the Visual Lisp Console:

_$ (vlax-curve-getparamatpoint e1 p3)

 

And get the following error:
; error: unable to get ObjectID: ((-1 . <Entity name: 23241204d70>) (0 . "LINE") (330 . <Entity name: 232411ff9f0>) (5 . "24F") (100 . "AcDbEntity") (67 . 0) (410 . "Model") (8 . "0") (100 . "AcDbLine") (10 35.8604 5.94506 0.0) (11 45.8851 17.2402 0.0) (210 0.0 0.0 1.0))
 

Does anybody know why I would be getting this error? I have the .dwg file open containing the line and text used in the above.

 

Thank you in advance.

[Steven P]

Check the help out, it is asking for the object ID and the point, you are supplying it with the entity name and the point - subtle differences ( https://help.autodesk.com/view/OARX/2022/ENU/?guid=GUID-1827742B-21DE-4454-90A0-19551DE79B5A )

 

You'll want to use: (vlax-ename->vla-object entname) to convert it

( https://help.autodesk.com/view/OARX/2022/ENU/?guid=GUID-BD451263-76D5-4A93-B50A-3C27E89A0AD4&nbsp )

[Steven P]

3 hours ago, rsneha said:

(setq param (vlax-curve-getparamatpoint e1 (vlax-3D-point p3)))

 

 

Did you test that?

 getparam at point wants a VLA object, not entity and a point, not a VLAX- variant type....