gmane.science.astronomy.stellarium.devel

Re: How to add or update information on stellarium stars catalog

Pavel Spacek — 2013-05-24T17:47:20

Dear Ammar,

what I did long time ago using version 0.10.2 was: I downloaded the desired
text star catalogs from ftp server of CDS in Strasbourg (I think it was
cdsweb.u-strasbg.fr, (http://cdsarc.u-strasbg.fr/viz-bin/ftp-index?)). Then
I loaded the text files into MySQL databsse. In the end it was 1GB database
(commands necessary for creation described in changes.txt). If you have
MySQL 5.1-32 installed, all the commands from changes.txt and datap.txt are
repeatable but it takes a lot of time. After I loaded the text files into
MySQL database I ran various scripts and queries and created text outputs
with extension .fab (scripts described in datap.txt). Then I replaced the
contents of the file name.fab in Stellarium user directory with the file
created by a particular query, e.g. ads.fab -> names.fab. Then I restarted
Stellarium and had my local designations I wanted. That was the only way to
create a join between Hip catalog and external data, there was no chance of
join with TYC catalog. There was not and

Re: Fwd: A new sky for Stellarium?

Alexander Wolf — 2013-05-24T10:20:25

Howdy all!

2013/5/22 Matthew Gates <matthewg42-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org>



Why not? We can added description with explanation for this culture and
include it as exception.

--
WBW, Alex
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Re: How to add or update information on stellarium stars catalog

Alexander Wolf — 2013-05-24T02:53:15

Howdy all,

sorry for late answer but:
1) HIP numbers contains only first 3 catalogues - stars_0_0v*.cat ..
stars_2_0v*.cat
2) Stellarium before 0.12.2 use 2 different names for stars, since 0.12.2 -
3 different names. Scientific names you can found within
stars/default/names.fab file, proper names can be found within every
skyculture (variable stars can be found within stars/default/gcvs* file)
3) If you want add designation to all stars then you should refactored all
catalogues :-/

Re: How to add or update information on stellarium stars catalog

Georg Zotti — 2013-05-23T22:10:45

What star names do you want to add? Traditional names stars are visible
without optical instruments (mag<6.5 or so? What's the dimmest named star
in traditional lists?), and these should all have Hipparchos numbers.

G.

On Do, 23.05.2013, 17:39, Shadiq Ammar wrote:



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Re: How to add or update information on stellarium stars catalog

Shadiq Ammar — 2013-05-23T19:16:09

Dear Pavel,

Thank you for your reply, please correct me if I'm wrong. From my quick
glance on your script its looks like your are compiling data from various
repository and using it to create a new stellarium star catalog with added
information or for other means. But it looks like the output/input to mysql
are in plain text file. How do you incorporate those output to stellarium,
you know, since stellarium using *hex* format.

Again plese correct me if I'm wrong.

Thank you.



On Fri, May 24, 2013 at 1:32 AM, Pavel Spacek <pavel.spacek-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org>wrote:

Re: How to add or update information on stellarium stars catalog

Pavel Spacek — 2013-05-23T18:32:52

Dear Ammar,

3 or 4 years ago I played with personal customization of Stellarium as
well. Originally I just wanted to have Aitken and Struve numbers available
and variable stars name search. I have no time for it now. You can search
for my email in the sourceforge archive. I downloaded plethora of text
catalogues from CDS, loaded them to MySQL and made query scripts over the
tables, that provided interested data. I still found the description of the
work and the scripts in my archive, attaching 3 text files, check them if
they are of any use to you. (Knowledge of MySQL is necessary). You find
that names.fab approach has its limitations (I believe the issue I raised
when reporting was still on sourceforge was never fixed).

I think Virgo provides similar functionality but, alas, you have to be
online. I made my customization for myself, always being offline.

Cheers,

Pavel



On 23 May 2013 16:47, Georg Zotti <georg.zotti-4JhlDu4IDl0juwv8T7myQQ< at >public.gmane.org> wrote:


All data processing was done in M

Re: How to add or update information on stellarium stars catalog

Shadiq Ammar — 2013-05-23T15:39:18

Dear Georg,

Thank you for your reply. Is it possible that a star doesn't have hipp
catalog number? like the the star in this stellarium screen shoot?
http://i.imgur.com/8Dz6nfI.png and there are many of them. How do you
assign a name to them?

Thank you

On Thu, May 23, 2013 at 9:47 PM, Georg Zotti <georg.zotti-4JhlDu4IDl0juwv8T7myQQ< at >public.gmane.org>wrote:

Re: How to add or update information on stellarium stars catalog

Georg Zotti — 2013-05-23T14:47:53

Dear Ammar,

it's far simpler. Star names are part of a sky culture, therefore they are
stored there, in the star_names.fab file. This is a text file which lists
Hipparchos numbers and the given name.

Kind regards,
Georg


On Do, 23.05.2013, 14:01, Shadiq Ammar wrote:




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How to add or update information onstellarium stars catalog

Shadiq Ammar — 2013-05-23T12:01:17

My current objective are adding star names to unnamed stars on stellarium.
After exploring stellarium stars *.cat* files and trying to convert it
using /util/ConvertCatToNative i notice that file format are still in hex.
I never handles hex files before.... I'm trying to understands it, but
probably wrong. From what I read here:
http://sourceforge.net/projects/stellarium/files/Stellarium-user-guide/0.9.1-1/stellarium_user_guide-0.9.1-1.pdf
(Appendix
E: Starts Catalog)

table E-10 on above document.
column name: hip, offset: 0, siz:3, description: hipparcos catalogue number

Implies that the first 3 byte on stars_0_0v0_1.cat are hipparcos catalog
number, but I don't know which one (signed/unsigned int 8/16/32/64) my
guess is the unsigned 16 bit. (btw, I'm using Bless Hex Editor to read the
file).

Could anyone give me pointer of how to read and edit the star catalog? such
as where the record of a star ended and which table (at the document
above), what files do I have to pay attention to, how to add or edit a

Re: Fwd: A new sky for Stellarium?

Johan Meuris — 2013-05-22T19:25:03

Haha, some of them are good finds! I think it can serve as a good hint that
it's easy to make your own sky culture. Maybe it should rotate from release
to release with other fictional submissions.

Johan

Johan Meuris
mobile: +32 494 14 79 23
e-mail: johan.meuris-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org


On 22 May 2013 14:19, Matthew Gates <matthewg42-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org> wrote:

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Fwd: A new sky for Stellarium?

Matthew Gates — 2013-05-22T12:19:20

Hi all,

I got this mail (forwarded).  What do you think about inclusion?  I
have the files which can be downloaded here:

http://porpoisehead.net/misc/nordic.zip

The files need a little work (I think some character set stuff and
spelling correction).

M

---------- Forwarded message ----------
From: Marianne Eik <marianneeik1-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org>
Date: 14 May 2013 15:34
Subject: A new sky for Stellarium?
To: matthewg42-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org


Hi Matthew!

I´m not sure who to contact about this so if I´m out of order here,
please forgive me!!

We have a project in Sweden, Iceland and Denmark where children have
created their own sky culture. I´ve contacted Nigel Kerr about this
last autumn but he has´nt answered so I dont know if he still works
with this.

The project has cooperated with the Department of Culture in Umeå,
Sweden, and my science center Umevatoriet, together with schools in
Iceland, Denmark and here in Umeå.

I have made the files and their working

Re: stellarium

Alexander Wolf — 2013-05-10T13:27:26

Hi!

2013/4/25 tian ke <tianke0711-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org>



You can download source code here: https://code.launchpad.net/stellarium

stellarium

tian ke — 2013-04-25T02:03:13

Hello:

         I am a  student. I think the stellarium is a wonderful software.
        I write this  letter o ask you that where could I  download the source  code of stellarium. Is there open  android source code.
          If you have please tell me!
      Thanks!  
                     Denka
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About stellarium app. for iPad

EunByul Choi — 2013-05-03T06:03:16

To whom it may concern

I've been using Stellarium for Windows and found it very useful.
I was wondering if there's a Stellarium application for iPad.
Google search showed some evidence it used to be on the list in the Apple
app. store, but i couldn't find it at the moment.


Best,
은별

***


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*Eun Byul Choi*
cuzco39-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org
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Re: OpenGL help needed (spherical mirror distortion progress!)

Bogdan Marinov — 2013-04-17T11:53:17

On Wed, Apr 17, 2013 at 1:54 PM, Ferdinand Majerech
<kiithsacmp-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org> wrote:

Yes, I did find the function's documentation page, but it wasn't very
clear to me, as I don't know any OpenGL. Anyway, I was more interested
in what that function call is supposed to do in the context of that
particular code.


There seems to be a method - blitFramebuffer() - that supports scaling:
http://qt-project.org/doc/qt-4.8/qglframebufferobject.html#blitFramebuffer


The idea is not just to replace that function call, but to make the
whole SMD code work. But since you are busy with your thesis, the
people who complain about this will have to wait a bit more. Unless I
manage to figure out something in the meantime.

Thank you for the attention!
Bogdan

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Re: OpenGL help needed (spherical mirror distortion progress!)

Ferdinand Majerech — 2013-04-17T10:54:56

The glCopyTexSubImage copies pixels from the buffer specified by
glReadBuffer() before \
(if glReadBuffer() was never called, it's the frontbuffer for
single-buffering, backbuffer with double-buffering)

The last 4 args specify x/y/width/height of area to copy from the buffer,
the viewport_texture_offset
args specify where in the texture to copy the data (the X and Y offsets of
that area)

(More detail in docs:
http://www.opengl.org/sdk/docs/man/xhtml/glCopyTexSubImage2D.xml,
http://www.opengl.org/sdk/docs/man/xhtml/glReadBuffer.xml
)

I think if you wanted to imitate that, you'd need to copy from the FBO
texture
(which replaces the front/back buffer here IIRC) to a square texture, using
the
same coordinates. (And use that square texture to draw the screen -
there should be no need to use a square FBO)
Note that copying from texture to texture in OpenGL (other than 4.3) us a
major PITA
(You need to draw it to screen and copy from that).
But I think you could use glCopyTexSubImage2D with the FBO's attachment

OpenGL help needed (spherical mirrordistortion progress!)

Bogdan Marinov — 2013-04-17T07:26:09

Hello to all.

I think I've found at least a part of the reason for the spherical
mirror distortion issues, but I need the help of someone who knows
OpenGL to continue.

I've been reading through the changes introduced by Fabien when he
reworked the SMD feature. I'm working with checkouts of revisions 4190
(hereafter: "old code") and 4192 ("new code").

The re-work moves the distortion painting code from
StelViewportDistorter.hpp/.cpp to StelViewportEffect.hpp/.cpp, and
changes the point in which it is applied from global (the
StelMainGraphicsView class) to just the sky view
(StelAppGraphicsWidget). The code that calculates the distortion
itself remains unchanged.

What I noticed yesterday: the old code used a dedicated OpenGL texture
to paint the distortion
(StelViewportDistorterFisheyeToSphericMirror::mirror_texture). The new
code tries to use for the same purpose the texture of a
QGLFramebufferObject, which is a part of a swappable
foreground/background buffer mechanism. At least a part of the problem
is

Re: Stellarium 0.12.1 Release Candidate 1

Alexander Wolf — 2013-04-16T11:00:51

Hi,

2013/4/16 Bogdan Marinov <daggerstab-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org>


You can change it because this feature not changes strings for translation.



Well, this can be change strings for translation - only for next release.
:-/

Re: Stellarium 0.12.1 Release Candidate 1

Bogdan Marinov — 2013-04-16T08:37:12

For example, a change to the magnitude limit keys in the configuration
file, to make them consistent with the terminology previously used in
both Stellarium and other products.

There's also the fact that the displayed name of the Observability
plug-in follows a different capitalization scheme than the other
plug-ins - I've meant to raise the question for several versions now.
:)

Etc, etc. I had made a list of the things I had noticed after my
return to active development, but it seems that I've put it somewhere
I can't find it. :(

Regards,
Bogdan Marinov

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Re: Stellarium 0.12.1 Release Candidate 1

Alexander Wolf — 2013-04-15T08:37:06

2013/4/15 Bogdan Marinov <daggerstab-Re5JQEeQqe8AvxtiuMwx3w< at >public.gmane.org>


How big the changes you want to make?

Re: Stellarium 0.12.1 Release Candidate 1

Bogdan Marinov — 2013-04-15T08:00:34

Oh, crap, I didn't manage to do the things I wanted to do in the
trunk. :( This is what happens when one keeps postponing things.

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