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Forum: Installation and Configuration
Re: None data set names (Tom Roberts)
Date: 04 Nov, 2013
From: Michael H. Kelsey <Michael H. Kelsey>

On Mon, 04 Nov 2013 23:01:50 GMT, Tom Roberts wrote:
> I have just completed adding the new data set for Geant4.9.2.p02 to my
> code. This took a while as its different names are easily confusable
> (and I did).
> This is a real pain: I must keep track of three different names for each data set:
>     The environment variable
>     The directory
>     The URL

This is a real pain! The URL is the nastiest: I only recently discovered that CMake will tell me the URL. Before that, I was having to look at "View Source" on the download page, and reverse engineer the HTML and JavaScript to figure out how to get to the tar-balls. Argh

> While preparing for 10.0, could these names be regularized?

No, there isn't enough time before the 10.0 release to make this major a change (it touches a lot of the internal scripting and management stuff).

However, we DO plan to systematize the names, exactly as you suggested, so that a single identifier will tell you everything about the dataset. This will be done as part of the 10.1 (or whatever) development next year.

The hardest part, as you can imagine, is maintaining compatibility so that we can still find the older-named datasets which are needed at sites where older G4 versions are deployed and used. This is going to be fairly tricky to deploy, and to test adequately that we don't shoot our users in the foot.

  -- Michael Kelsey

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