[fitswcs] Long-slit spectroscopy WCS

[Mark Calabretta]

On Thu 2002/01/31 13:50:51 -1000, "Malcolm J. Currie" wrote
in a message to: FITSWCS <fitswcs at NRAO.EDU>

>For an arbitrary position angle, is it merely a question of computing
>the components of the spatial increments along the slit, and assigning
>them to CDELT2 and CDELT3?

Hi Malcolm,

This is covered in detail in header construction example 3 (Sect. 7.8)
of Paper II.

Cheers, Mark