add iqss header option

[izahn]

This allows the header graphic to be set in the YAML header. It makes the theme usable outside IQSS / Harvard, though the default is still to use the IQSS header graphic.

I'm not really sure I've done this in the best way. In particular, I'd like to have a way of using no header graphic. Suggestions welcome.

[eddelbuettel]

This took me a moment to grok. Let me see if I have this right:

• the sty files define titlegraphic as before, and we copy the existing png as before
• so existing behaviour is unchanged and we produce identical pdf files
• but by allowing for optionally set yaml variable you permit an override

Do I have that right? That's slick. Well done.

[izahn]

Yes that's exactly right. The only catch is that to override it you have to provide a path to a file; there is no way to just not use a header graphic at all. I'd like to support that, but I'm not sure how without changing the default.

…

On Thu, Oct 11, 2018 at 9:46 PM Dirk Eddelbuettel ***@***.***> wrote: This took me a moment to grok. Let me see if I have this right: - the sty files define titlegraphic as before, and we copy the existing png as before - so existing behaviour is unchanged and we produce identical pdf files - but by allowing for optionally set yaml variable you permit an override Do I have that right? That's *slick*. Well done. — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#14 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AATm0xRO1hhN7xGvn_cANHKxjwj62V4iks5uj_RkgaJpZM4XYoxw> .

-- Ista Zahn Data Science Specialist The Institute for Quantitative Social Science at Harvard http://dss.iq.harvard.edu

[eddelbuettel]

I can only think of somewhat clumsy ways. Ie we could have different style files definining with/without header and then have template.tex include one or the other.