The pipeline I drafted is the usual one for 3D objects. The
annotations should draw themselves somehow on the 2D plane. My point
was to identify this sequence of transformations in the BRL-CAD code
and get the 2D plane -> screen part from it.
Regards,
Daniel
2017-04-10 21:37 GMT+02:00 Shubham Rathore <shubhamrathore1...@gmail.com>:
> Regarding the pipeline - "coordinates from the primitive -> 3D world
> coordinates -> 2D plane (e.g. with a perspective) -> 2D screen coordinates"
>
> Need some clarifications :
>
> - The user gives the input( through 'in' or any other desired form) in the
> form of 3D coordinates
> - The annotation_transform() will map those 3D points to the 2D plane
> - We get the 2D on screen coordinates.
>
> 1) what exactly does the user give as the input ? 3D space coords of the
> desired place of annotation ?
> 2) What else does the function consist of, except the transformation matrix
> ?
>
> Cheers,
> Shubham Rathore(:gabbar1947)
>
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