Re: [Stellarium-pubdevel] 0.9.1

[Nigel K. <nig...@gm...>]

Hello Johannes,

I am sorry that I didn't write you sooner on that: yes, I have worked
on the program to translate the .cat file from LE to BE.  I can try to
expedite that to get into 0.9.1, but I hadn't actually thought which
release it would go into, i confess.

I think i have two or three sessions of work on that translator.

cheers,
Nigel

On 8/17/07, Johannes Gajdosik <joh...@gm...> wrote:
> On 2007.08.17 13:41:45 CEST, Nigel Kerr wrote:
> > good folk,
> >
> > do we have a target date for 0.9.1 release?  i can make a universal
> > mac build at any time now, my testers thought it worked fine.
> >
>
> Hello Nigel, did you achieve something with mmap star
> loading on the mac? I think this should be in release 0.9.1,
> and I though you wanted to work on this:
>
> ------------Quotation from previous email----------
> > On 2007.08.04 03:24:18 CEST, Nigel Kerr wrote:
> > > hi Johannes,
> > >
> > > i think i'm at the point where i could do the mmap work for big
> > endian
> > > (the big endian in question being PPC here).
> >
> > That's nice, thanks.
> >
> > >  what all had you in mind
> > > there?
> >
> > Since with mmap all star data resides on harddisk, it cannot be endian
> > converted by stellarium upon loading.
> > Therefore the files on harddisk must already contain the converted
> > data.
> > So there will be little-endian and big-endian files.
> > For obvious reasons little-endian is considered the default and
> > native format, and we will not updoad big-endian format star files.
> > Instead we must provide a utility program that converts the star files
> > into big-endian format files, and the users will have to use this
> > utility
> > for converting by themselves.
> >
> > I think the big-endian format files shall have a different file magic
> > and
> > different names (some extension), and contain the same star data in
> > big-endian format. In all other respects the big-endian files shall
> > be the same as the little-endian.
> >
> > When loading the data, stellarium must assert that the file magic
> > corresponds to the endianness of the architecture. When this is
> > guaranteed, stellarium can continue just as before. We might even drop
> > the code for converting enddianess after loading (non-mmap mode).
> > Or maybe extend this code so that little endian machchines can use
> > big-endian catalogs. I am not sure.
> -------------------------------------------
>
>
> For release 0.9.1 it would also be nice to know the sceduled release
> date at least 1 week ahead, because I am still supposed to do
> file reorganisation, cleanup and documentation.
>
> Johannes
>
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