POV-Ray : Newsgroups : povray.text.scene-files : Star catalogue Server Time
4 Feb 2026 07:39:15 EST (-0500)
  Star catalogue (Message 16 to 25 of 25)  
<<< Previous 10 Messages Goto Initial 10 Messages
From: yesbird
Subject: Re: Star catalogue
Date: 3 Feb 2026 09:19:38
Message: <698203fa$1@news.povray.org>
On 03/02/2026 14:52, Maetes wrote:
> 
> The keyword for coordinates and data is:
> NGC Catalogue.
> https://en.wikipedia.org/wiki/New_General_Catalogue

Thanks a lot, I have already taken and tested it, works fine with
AlaSQL, which I am using as a DB engine.

> 
> Images could be a problem, as I am not aware of any valid source that provides
> such data in a uniform format. Maybe it comes down to the fact that you have to
> search for them manually.
> But I can also be wrong, maybe there is something like that in the meantime. If
> I find something, I'll tell you.

Thanks again, I will start an intensive search after completing
application. Filling DB with the content will be an endless
procedure :).

> Chromium on a Raspberry Pi.
> I clicked somewhere and a Box opened with the text "Object" few million times,
> so my Pi was busy to show all text.
> And in dont want to risk it again, don't like crashes.

Sorry for the inconvenience, it was my fault - I forgot
to comment out debug info and all 13979 records of NGC were printed to
browser's page. Now it works fine - no more crashes, I promise :).
-- 
YB


Post a reply to this message

From: yesbird
Subject: Re: Star catalogue
Date: 3 Feb 2026 09:26:21
Message: <6982058d@news.povray.org>
On 03/02/2026 12:17, Mr wrote:
> This works insanely great on my phone :-) ! (as usual I had to open it there
> because your site is blocked from my corporate proxy :-/ )
> 

Glad to hear it, as I am now taking care about mobile platform(s) too.
In general, it will support desktops, mobiles and VR headsets.

But nothing to see there yet and it's only a template, which I am
turning into a real application very fast. Hope till Saturday it becomes
much more interesting :).
-- 
YB


Post a reply to this message

From: yesbird
Subject: Re: Star catalogue
Date: 3 Feb 2026 09:36:55
Message: <69820807@news.povray.org>
On 03/02/2026 15:18, Maetes wrote:
> 
> Now I was curious myself and went on a short search.
> ...

Thanks, very well, I will examine it later, as now I am too busy with
coding. I have also registered in this serious astronomic community:
https://www.cloudynights.com/
and hope for their support.
--
YB


Post a reply to this message

From: yesbird
Subject: Re: Star catalogue
Date: 3 Feb 2026 10:15:06
Message: <698210fa$1@news.povray.org>
On 03/02/2026 14:52, Maetes wrote:
> 
> As I said, I haven't looked for it yet, but if I find something, I'll let you
> know. I also made a PHP script with which I can create Povray arrays from
> databases, if helpful. But it takes time, sorry.
> 

The most desired thing for me now is coordinates of constellation
bounds, as I would like to store them as vectors to control separately -
one by one, but not sure if such a thing exists anywhere.
-- 
YB


Post a reply to this message

From: yesbird
Subject: Re: Star catalogue
Date: 3 Feb 2026 12:18:49
Message: <69822df9$1@news.povray.org>
On 03/02/2026 18:15, yesbird wrote:
> On 03/02/2026 14:52, Maetes wrote:
>>
>> As I said, I haven't looked for it yet, but if I find something, I'll 
>> let you
>> know. I also made a PHP script with which I can create Povray arrays from
>> databases, if helpful. But it takes time, sorry.
>>
> 
> The most desired thing for me now is coordinates of constellation
> bounds, as I would like to store them as vectors to control separately -
> one by one, but not sure if such a thing exists anywhere.

And I found it:
http://vizier.cds.unistra.fr/viz-bin/VizieR-3?-source=VI/49/bound_18&-out.max=50&-out.form=HTML%20Table&-out.add=_r&-out.add=_RAJ,_DEJ&-sort=_r&-oc.form=sexa

-- 
YB


Post a reply to this message

From: Maetes
Subject: Re: Star catalogue
Date: 3 Feb 2026 14:30:00
Message: <web.69824c8538a84fef2a4bec4330225ff5@news.povray.org>
yesbird wrote:
> And I found it:
>
http://vizier.cds.unistra.fr/viz-bin/VizieR-3?-source=VI/49/bound_18&-out.max=50&-out.form=HTML%20Table&-out.add=_r&-
out.add=_RAJ,_DEJ&-sort=_r&-oc.form=sexa
>
> --
> YB

Congrats!
Maybe use bound_20 (top-left in the select-box).
Thats the epoch, bounds_18 means 1875.

They are slightly different.
https://en.wikipedia.org/wiki/Epoch_(astronomy)#Epochs_and_periods_of_validity

Ma


Post a reply to this message

From: yesbird
Subject: Re: Star catalogue
Date: 3 Feb 2026 22:37:47
Message: <6982bf0b$1@news.povray.org>
On 03/02/2026 22:29, Maetes wrote:
> Maybe use bound_20 (top-left in the select-box).
> Thats the epoch, bounds_18 means 1875.
> 
> They are slightly different.
> https://en.wikipedia.org/wiki/Epoch_(astronomy)#Epochs_and_periods_of_validity
> 
Thanks for the suggestion, this man provides more details about
this subject: https://pbarbier.com/constellations/boundaries.html

Probably I need to dive deeper into astronomy and need a good book for
beginners. School lessons are not enough and were too many years ago ...
--
YB


Post a reply to this message

From: yesbird
Subject: Re: Star catalogue
Date: 3 Feb 2026 22:58:40
Message: <6982c3f0$1@news.povray.org>
On 01/02/2026 12:42, yesbird wrote:
> Thank you for sharing this data. Really, I am looking for good
> data source for my present Virtual planetary project:
> https://yesbird.online/planetarium/
> 

Here is large-scale prototype for what I am doing:
http://aladin.cds.unistra.fr/AladinLite/

I am plan to make something similar, but less scientific,
more user friendly, with better GUI, higher quality images
and VR support.
--
YB


Post a reply to this message

From: Maetes
Subject: Re: Star catalogue
Date: 4 Feb 2026 05:05:00
Message: <web.6983191c38a84fef3529ff2530225ff5@news.povray.org>
yesbird wrote:
> Sorry for the inconvenience, it was my fault - I forgot
> to comment out debug info and all 13979 records of NGC were printed to
> browser's page. Now it works fine - no more crashes, I promise :).

Shame on you. I've absolutely never made such mistakes...


> I have also registered in this serious astronomic community:
> https://www.cloudynights.com/

Interesting site, I didn't know yet, maybe I'll sign up too.


> Here is large-scale prototype for what I am doing:
> http://aladin.cds.unistra.fr/AladinLite/

I also found Aladdin yesterday, but I didn't want to spoil your fun :)


"jr" <cre### [at] gmailcom> wrote:
> in which case, likely, the default setting in the global 'povray.conf' will
> "trip you up".  you have to set "[Shellout Security]" to 'allowed'.

Thanks for that, this little piece of information can potentially save a lot of
searching.

ma


Post a reply to this message

From: Maetes
Subject: Re: Star catalogue
Date: 4 Feb 2026 05:10:00
Message: <web.69831a3138a84fef3529ff2530225ff5@news.povray.org>
yesbird wrote:
> Thanks for the suggestion, this man provides more details about
> this subject: https://pbarbier.com/constellations/boundaries.html
> Probably I need to dive deeper into astronomy and need a good book for
> beginners. School lessons are not enough and were too many years ago ...


I'm pretty sure you can't wait that long, but I also dealt with constellations,
lines and borders in December. Corresponding 3 or more database tables as well
as a Povray macro collection are in the works. However, I need time for the
completion, I have just started something else. Will probably not be finished
until March, or even later.


ma


Post a reply to this message

<<< Previous 10 Messages Goto Initial 10 Messages

Copyright 2003-2023 Persistence of Vision Raytracer Pty. Ltd.