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From: Christoph Hormann
Subject: [announce] Views of the Earth website
Date: 14 Mar 2006 12:02:04
Message: <4416f70c$1@news.povray.org>
I am happy to announce the opening of a new website showing realistic 
Earth surface renders made by me with POV-Ray:

http://earth.imagico.de/

(i did quite some testing if everything works and looks all right in 
various browsers.  If you find something not working correctly i would 
like to know it of course).

Christoph

-- 
POV-Ray tutorials, include files, Landscape of the week:
http://www.imagico.de/ (Last updated 14 Mar. 2006)
MegaPOV with mechanics simulation: http://megapov.inetart.net/


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From: ingo
Subject: Re: [announce] Views of the Earth website
Date: 14 Mar 2006 12:16:36
Message: <Xns9786B9EABEE2Fseed7@news.povray.org>
in news:4416f70c$1@news.povray.org Christoph Hormann wrote:

> I am happy to announce the opening of a new website showing realistic 
> Earth surface renders made by me with POV-Ray:
> 
> http://earth.imagico.de/

Excellent!!

The little earthmap on the top right side makes me wanna click on it to go 
to a new location ;)
 
> (i did quite some testing if everything works and looks all right in 
> various browsers.  If you find something not working correctly i would 
> like to know it of course).

The random option does not seem to work right (from a users perspective, 
it may be what you intended though). The first time it's random, when you 
go back to home and try it again you get the same result.

Ingo


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From: Christoph Hormann
Subject: Re: [announce] Views of the Earth website
Date: 14 Mar 2006 13:15:03
Message: <dv7154$v2o$1@chho.imagico.de>
ingo wrote:
>>
>>http://earth.imagico.de/
> 
> 
> Excellent!!

Thanks.

> 
> The random option does not seem to work right (from a users perspective, 
> it may be what you intended though). The first time it's random, when you 
> go back to home and try it again you get the same result.

Well - it's random every time you newly load the page but i understand 
that's not really the best solution...

Should work better now.

Christoph

-- 
POV-Ray tutorials, include files, Landscape of the week:
http://www.imagico.de/ (Last updated 14 Mar. 2006)
MegaPOV with mechanics simulation: http://megapov.inetart.net/


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From: Slime
Subject: Re: [announce] Views of the Earth website
Date: 15 Mar 2006 03:17:21
Message: <4417cd91$1@news.povray.org>
Cool, this seems like the sort of thing you'd see forwarded around and
linked to a lot.

You're missing a period at the end of the second paragraph on the Technical
Information page. I would make the "About" link more prominent because I
found that information interesting. I was also left with a few questions
after reading it:

 - You claim that isosurfaces "only need the plain height data and not
require large mesh structures to be generated." Of course, you must keep the
elevation data in memory *somehow* to be able to render the images. How do
you store it more efficiently than, say, a height field does?
 - How are you feeding your data into the isosurfaces? I know POV-Ray can't
read efficiently from arrays from within function{}s. Are they greyscale
images?
 - Where do you get your data from (maybe I missed this)?

Nice job.

 - Slime
 [ http://www.slimeland.com/ ]


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From: ABX
Subject: Re: [announce] Views of the Earth website
Date: 15 Mar 2006 04:02:12
Message: <8vlf12hoc8mhmoh41r9h0lujhus8o3nisf@4ax.com>
On Tue, 14 Mar 2006 18:02:04 +0100, Christoph Hormann <chr### [at] gmxde>
wrote:
> I am happy to announce

And I am happy to see it. Great work!

ABX


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From: ABX
Subject: Re: [announce] Views of the Earth website
Date: 15 Mar 2006 04:06:46
Message: <k3mf12ltg1edg651lqirmej26blo93olpl@4ax.com>
On 14 Mar 2006 12:16:36 -0500, ingo <ing### [at] tagpovrayorg> wrote:
> The little earthmap on the top right side makes me wanna click on it to go 
> to a new location ;)

That was my intuitive reaction too when I first saw subpage presented in
off-topic.

BTW: In Gallery there is only split to "by region and style" and the top of
the page and it's not handy for me. Could it be possible to add more anchors
to each region and each style at the top so I could quickly jump to requested
subcategory after entring gallery?

ABX


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From: Christoph Hormann
Subject: Re: [announce] Views of the Earth website
Date: 15 Mar 2006 04:40:02
Message: <dv8ndd$k3d$1@chho.imagico.de>
Slime wrote:
> Cool, this seems like the sort of thing you'd see forwarded around and
> linked to a lot.
> 
> You're missing a period at the end of the second paragraph on the Technical
> Information page. I would make the "About" link more prominent because I
> found that information interesting. 

Yes, i first didn't find a name short enough to put into the main menu 
but it is there now.

> I was also left with a few questions
> after reading it:
> 
>  - You claim that isosurfaces "only need the plain height data and not
> require large mesh structures to be generated." Of course, you must keep the
> elevation data in memory *somehow* to be able to render the images. How do
> you store it more efficiently than, say, a height field does?

A smooth heightfield needs additional 3x16bit per vertex for storing the 
normal vectors.  And you are bound to using a plain rectangular grid or 
fiddle with multiple heightfields.

>  - How are you feeding your data into the isosurfaces? I know POV-Ray can't
> read efficiently from arrays from within function{}s. Are they greyscale
> images?

Yes, of course.

>  - Where do you get your data from (maybe I missed this)?

http://earth.imagico.de/credits.html

> Nice job.

Thanks.

Christoph

-- 
POV-Ray tutorials, include files, Landscape of the week:
http://www.imagico.de/ (Last updated 14 Mar. 2006)
MegaPOV with mechanics simulation: http://megapov.inetart.net/


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From: Bob Hughes
Subject: Re: [announce] Views of the Earth website
Date: 15 Mar 2006 05:08:40
Message: <4417e7a8@news.povray.org>
I love this, Christoph, it's beautiful work. The info about location and 
elevation is a nice touch. Was thinking that if the triangles for field of 
view could also show actual ground area that is framed in it would be 
perfect! Guessing that might be out of the realm of possibility.

Left a comment for the Mt. St. Helens view to see if that works okay.

Sure hope you have the bandwidth at that web site to handle the traffic.

Bob H


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From: Christoph Hormann
Subject: Re: [announce] Views of the Earth website
Date: 15 Mar 2006 06:30:03
Message: <dv8tjp$mhb$1@chho.imagico.de>
Bob Hughes wrote:
> I love this, Christoph, it's beautiful work.

Thank you.

> The info about location and 
> elevation is a nice touch. Was thinking that if the triangles for field of 
> view could also show actual ground area that is framed in it would be 
> perfect! Guessing that might be out of the realm of possibility.

I already saw this isn't perfect.  First of all since the sectors are 
just drawn on top of the map they of course don't show the actual view 
area including occlusions.  In addition the area is wrong as well since 
i would have to use a different map projection (in the current one the 
view cone would need to be curved).  This is especially a problem with 
the higher altitude views.

> Left a comment for the Mt. St. Helens view to see if that works okay.

You sure this worked?  I have no comment from you in the database yet. 
But testing myself it worked.  I changed the confirmation page now - You 
should get a page saying "Your message has been added and is waiting for 
approval." and a preview of your comment after submission.

> Sure hope you have the bandwidth at that web site to handle the traffic.

Well - until now the traffic has been moderate and the size is just 
about 50MB currently.

Christoph

-- 
POV-Ray tutorials, include files, Landscape of the week:
http://www.imagico.de/ (Last updated 14 Mar. 2006)
MegaPOV with mechanics simulation: http://megapov.inetart.net/


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From: Willem
Subject: Re: [announce] Views of the Earth website
Date: 15 Mar 2006 06:30:04
Message: <pan.2006.03.15.11.12.22.114821@nomail.com>
On Tue, 14 Mar 2006 18:02:04 +0100, Christoph Hormann wrote:

> 
> I am happy to announce the opening of a new website showing realistic
> Earth surface renders made by me with POV-Ray:
> 
> http://earth.imagico.de/
"Sehr schoen" Well done.

Works perfectly on Konqueror/Firefox/Linux/Amd64

Did you increase the RAM of your machine to get decent handling times ?


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