[Clas12_software] jcsg DC wire geometry in COATJAVA

[Raffaella De Vita]

Dear All,
let’s try to clarify the situation to avoid further misunderstanding.
The jcsg package that provides DC geometry to both reconstruction and simulation was update to correct a swap of the left/right labels of the DC wires end points as well as the wires positions sometime ago but the changes were merge to the main development branch only last week, when preparing the new software release. These changes have been validated and proved to give correct wire positions. 
These fixes were not propagated yet to CED but can be imported now by recompiling the clas-geometry package that is used to create the DC geometry objects used by CED.
This temporary conflict originates from the fact that we have two geometry packages with different functionalities that we need to integrate to provide all what is needed by CLAS12 reconstruction, simulations and monitoring applications. This has been discussed many times and it is in fact one of the highest priority tasks for the software group in the upcoming months.
Best regards,
	Raffaella

> On 12 Nov 2018, at 18:50, Andrey Kim <kenjo at jlab.org> wrote:
> 
> What do you mean by "it can't be updated *and* not updated?"
> Andrey.
> 
> On Tue, Nov 13, 2018, 02:16 David Heddle <david.heddle at cnu.edu <mailto:david.heddle at cnu.edu> wrote:
> Can we $@!!%@%! resolve this?
> 
> It can't be updated and not updated. That violates the Law of Noncontradiction <https://urldefense.proofpoint.com/v2/url?u=https-3A__en.wikipedia.org_wiki_Law-5Fof-5Fnoncontradiction&d=DwMFaQ&c=lz9TcOasaINaaC3U7FbMev2lsutwpI4--09aP8Lu18s&r=oLG2i16aCAgBH2ocbriD6Q&m=IUBWOCX7lbdVgGf_NnCQILF2RTqELUADwMXUJxfDj_Q&s=px8faiQtyuZ0KuqeP9mpnCo3_ENjarPQ2TtGGWcNeuE&e=>.
> 
> I have been waiting for about two years for the fulfillment of a promise that everything I needed from Gagik's original package (e.g., hexagonal DC cell 3D tubes, full 3D transformations and intersections) would be available in the new (now not so new) package. That never materialized, which precluded me from switching to the new package. This is crazy.
> 
> dph
> 
> 
> 
> On Mon, Nov 12, 2018 at 9:43 AM Andrey Kim <kenjo at jlab.org <mailto:kenjo at jlab.org>> wrote:
> JSCG package has been updated, in fact most of the recent alignment tests were performed using JCSG package.
> The numbers Mikhail cited in the orginal e-mail are from JCSG package.
> 
> 
> -- 
> David P. Heddle, Ph.D.
> Professor of Physics
> MS APCS Graduate Program Coordinator
> Christopher Newport University
> Newport News, VA 23606
> 
> 757.594.8434
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