Re: [Stellarium-pubdevel] Developer photos for Ramon Vargas

[<fab...@go...>]

Hi,

As far as I am concerned, you can re-use my photos as you wish. Do you have
them?
Fabien

On 9/8/07, Johannes Gajdosik <joh...@gm...> wrote:
>
>
> Dear developers,
>
> Ramon Vargas, who runs a planetarium with spheric mirror distortion
> in Mexico, has asked me about a photography of the stellarium
> developers for using it in a presentation on some planetarium
> conference. I thought about Photos from Garching, but Rob
> and Fabien have better photos than myself, and I do not
> want to give away photos of other people without their permission.
> I photo of Nigel would also be good to have.
>
> I forward his email.
>
> Yours,
> Johannes
>
>
> ---------- Forwarded message ----------
> From: Johannes Gajdosik <joh...@gm...>
> To: Ramon Vargas <rma...@ya...>
> Date: Fri, 07 Sep 2007 23:41:23 +0200
> Subject: Re: Questions regarding planetarium pictures
> Hello Ramon,
>
> thanks for your email,
>
> On 2007.09.03 17:09:01 CEST, Ramon Vargas wrote:
> > Hello Johannes, by all means, please,you can use the pictures any way
> > you like.
>
> and thanks for your pictures, I used them in my presentation today
> in Bratislava.
>
> >   I had on mind for the last 4 weeks to write you, but we had been
> > very busy.
> >   But I take this opportunnity for said some things.
> >   We are using the last SVN version of stellarium and since the 0.9.0
> > version, we appreciatte very much your improvements to the spheric
> > mirror distortion and ypur work with the stars. Really very
> > impressive! Thanks for that!
>
> Thanks.
>
> >   The pictures we send to you show and optoma projector (1024 x 768)
> > resolution and a 18" second surface acrylic mirror, but some 5 weeks
> > ago we got a Dell projector (1400 x 1050 resolution) and a 26" first
> > surface acrylic mirror and the images projected on the dome are
> > spectacular! We don=B4t miss our old optomechanical zeiss projector. If
> > you like new photos of this new set up, I can send it to you tomorrow
> > moorning.
>
> I have seen the original CosmoDome system consisting of the very same
> Dell
> 1400x1050 projector plus one mirror. Mr. Miles Allen from Cosmodome
> claimed
> that this mirror costs 700$ ! I thought a good mirror with 1st surface
> coating would be around 100$ only. Can you tell me from where you got
> your
> mirror and how expensive it was?
> >   I'm just came back from a science museums conference here on my
> > country, and I show some photos of the system. People just loved! And
> > they want to see it in action. So that's anoteher reason to write
> > you. Can I have some photos of you and from the developers?
>
> Yes, I will. I did not know we are so prominent. I will ask the others
> if they have good photos from the stellarium meeting in Munich.
> >   We are going to attend to the planetarium conference of my country
> > and we're going to show the system. I would like to present the
> > developers photos (and the one of the inventor, Paul Bourke) to the
> > comunnity, the people who made this possible. This should happen on
> > November, I don`t know the exact days yet. As soon as I know, I let
> > you know and perhaps you came come to joinning us.
>
> >   Another question, is there a way to improve your distortion program
> > for mplayer? We just made some test and works fine, but the
> > resolution decrease very much from the fisheye source. Are you
> > applied some antialasing to the code you wrote? So far we only test
> > with demo films from the internet and with some demo from a Sky Scan
> > DVD, that means we use 768 x 768 pixels on the best cases.
>
> The problem is this: with the current implementation in mplayer,
> the distorted output video has the same size as the input video,
> which is insufficient. With 768x768 input fisheye, I recommend
> 1024x768 spheric mirror image. The easiest - although least elegant -
> solution is to extend the input image to 1024x768 by adding two
> black 128x768 rectangles, one on eigther side of the fisheye.
> So if you can convert the video this way, the result should already
> be much better.
>
> One could experiment and even add more black rectangles to the
> input image, so that a resolution of 1400x1050 can be achieved,
> but I do not believe this will be much better then 1024x768.
> Remember that with stellarium you propably start with a fisheye
> image of at least 1050x1050, or even higher resolution.
> On the other hand, when the 768x768 fisheye image is scaled down
> to perhaps 768x500 spheric mirror distorted image, of course
> quality is lost.
>
> When the adding of black borders gives you problems, I am sure we
> will find a solution by modifying mplayer or similar.
>
> Yours,
> Johannes
>
> >   Thanks for your attention and I'm to your orders.
> >   Greettings from Mexico.
> >   P.D.
> >   My institutional e-mail, in case you need it:
> >   pla...@mi...
> >
> >
> > Johannes Gajdosik <joh...@gm...> wrote:
> >   Hello Ramon,
> >
> > I wanted to ask you if you allow that I use the pictures and
> > email you sent me in my presentation at the 4th small
> > planetarium conference in Bratislava on this Friday.
> > Of course I will say that they are your pictures, not mine.
> >
> > Yours,
> > Johannes
> >
> >
> >
> > ---------------------------------
> > Fussy? Opinionated? Impossible to please? Perfect.  Join Yahoo!'s
> > user panel and lay it on us.
>
>
>
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