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hIRS

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Since: Oct 18, 2006
Posts: 2



(Msg. 1) Posted: Wed Oct 18, 2006 5:04 am
Post subject: 8.6 billion pixels digital image
Archived from groups: rec>photo>digital (more info?)
The Inventory office - dept.Cultural Property of Diocese of Novara,
and HAL9000 Srl from Novara, have produced a digital

picture of 8,6 billion pixels showing the "Parete Gaudenziana", a
fresco made by the painter Gaudenzio Ferrari dated 1513,

which can be seen in the partition of the Church of Santa Maria delle
Grazie, in the convent of Varallo Sesia, diocese of

Novara and Province of Vercelli.
The image stands at the boundaries of the modern opportunities as for
the final dimensions of the digital picture. The

picture has been created joining electronically 1145 images, each 12,2
Megapixel and 16 bit per color channel.
The 8,6 Gigapixel digital picture of the Parete Gaudenziana can be
explored in detail on the site www.haltadefinizione.com

Technical Info

Photo Shots: 1.145
Computed Data: 84 GigaByte
Computed Pixels: 13.982.996.480
Color Depth: 16 bit per channel

Cropped Image Size: 8.604.431.000 (w. 96.679 x h. 89.000) pixel
Image Size before the final crop: 10.293.864.000 pixel (w. 103.560 x h.
99.400) pixel
Size on Hard Disk of the 3x16 bit final image: 51.625.586.000 byte

Shooted Scene Size: 10,80 m x 9,94 m (35,43 ft x 32,61 ft)
corresponding to 107,35 m2 (1155,37 sqr feet).

True Scale Resolution: 227 dpi
Pixel Density: 80 pixel/mm2
Linear Pixel Density: 9 pixel/mm

Hard Disk space dedicated to 16 bit computing: 1,8 Terabyte
Ram: 16 Gigabyte
Processors: 4 x AMD Opteron™ 885 Dual Core 64 bit

Shooting on January 30, 2006
Shooting time: 13 hours
Computing time: 3 months
Final Image generated on June 15, 2006

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POHB

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Since: Apr 24, 2006
Posts: 50



(Msg. 2) Posted: Wed Oct 18, 2006 8:04 am
Post subject: Re: 8.6 billion pixels digital image [Login to view extended thread Info.]
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hIRS wrote:
> The Inventory office - dept.Cultural Property of Diocese of Novara,
> and HAL9000 Srl from Novara, have produced a digital
> picture of 8,6 billion pixels

How does that compare to Google Earth?

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hIRS

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Since: Oct 18, 2006
Posts: 2



(Msg. 3) Posted: Wed Oct 18, 2006 9:41 am
Post subject: Re: 8.6 billion pixels digital image [Login to view extended thread Info.]
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POHB ha scritto:

> hIRS wrote:
> > The Inventory office - dept.Cultural Property of Diocese of Novara,
> > and HAL9000 Srl from Novara, have produced a digital
> > picture of 8,6 billion pixels
>
> How does that compare to Google Earth?

What do you mean?
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"Roger N. Clark

External


Since: Oct 04, 2005
Posts: 833



(Msg. 4) Posted: Wed Oct 18, 2006 10:04 am
Post subject: Re: 8.6 billion pixels digital image [Login to view extended thread Info.]
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POHB wrote:
> hIRS wrote:
>
>>The Inventory office - dept.Cultural Property of Diocese of Novara,
>>and HAL9000 Srl from Novara, have produced a digital
>>picture of 8,6 billion pixels
>
>
> How does that compare to Google Earth?
>
The above 8.6 Gpixel image is quite an achievement.

Regarding Google Earth, that is also quite an achievement.
Using the radius of the Earth, and assuming 30 meters
per pixel, covering only land areas (1/3 surface areas
of the earth, I compute one would get 78 terapixels
(78,000 gpixels). On disk that would be about
230 terabytes on disk for a 3 band image. Google earth
has some areas at higher resolution, and has coverage in
other colors too. So probably over 1000 terabytes
of data.

From someone who has worked with Google on Google Mars,
I heard Google has a fair fraction of the available world's
supply of hard disk drives.

Roger
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Cynicor

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Since: Oct 14, 2006
Posts: 22



(Msg. 5) Posted: Wed Oct 18, 2006 6:10 pm
Post subject: Re: 8.6 billion pixels digital image [Login to view extended thread Info.]
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Roger N. Clark (change username to rnclark) wrote:
> POHB wrote:
>> hIRS wrote:
>>
>>> The Inventory office - dept.Cultural Property of Diocese of Novara,
>>> and HAL9000 Srl from Novara, have produced a digital
>>> picture of 8,6 billion pixels
>>
>>
>> How does that compare to Google Earth?
>>
> The above 8.6 Gpixel image is quite an achievement.

Feh. I can still see the difference versus MF film when printed 5x7.
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ASAAR

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Since: Aug 02, 2005
Posts: 3974



(Msg. 6) Posted: Wed Oct 18, 2006 7:48 pm
Post subject: Re: 8.6 billion pixels digital image [Login to view extended thread Info.]
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On Wed, 18 Oct 2006 18:10:57 -0400, Cynicor wrote:

>> The above 8.6 Gpixel image is quite an achievement.
>
> Feh. I can still see the difference versus MF film when printed 5x7.

Was the MF film exposed at a comparable altitude? If not, how
would it compare if the photographer was high enough?

(p.i.) Smile
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AAvK

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Since: Aug 20, 2006
Posts: 54



(Msg. 7) Posted: Wed Oct 18, 2006 9:19 pm
Post subject: Re: 8.6 billion pixels digital image [Login to view extended thread Info.]
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To say the least, that IS amazing! I just wonder, if it is 16 bit color depth
as original from the camera, what did they shoot it with? A digital back?

--
}<)))*> Giant_Alex
cravdraa_at-yahoo_dot-com
not my site: http://www.e-sword.net/
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Scott in Florida

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Since: May 31, 2006
Posts: 24



(Msg. 8) Posted: Fri Oct 20, 2006 9:55 am
Post subject: Re: 8.6 billion pixels digital image [Login to view extended thread Info.]
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On Wed, 18 Oct 2006 10:04:32 -0700, "Roger N. Clark (change username
to rnclark)" <username.DeleteThis@qwest.net> wrote:

>POHB wrote:
>> hIRS wrote:
>>
>>>The Inventory office - dept.Cultural Property of Diocese of Novara,
>>>and HAL9000 Srl from Novara, have produced a digital
>>>picture of 8,6 billion pixels
>>
>>
>> How does that compare to Google Earth?
>>
>The above 8.6 Gpixel image is quite an achievement.
>
>Regarding Google Earth, that is also quite an achievement.
>Using the radius of the Earth, and assuming 30 meters
>per pixel,

My house is easily viewed in decent detail on Google Earth.

I would think it would take more than one pixel to render a house.



> covering only land areas (1/3 surface areas
>of the earth, I compute one would get 78 terapixels
>(78,000 gpixels). On disk that would be about
>230 terabytes on disk for a 3 band image. Google earth
>has some areas at higher resolution, and has coverage in
>other colors too. So probably over 1000 terabytes
>of data.
>
> From someone who has worked with Google on Google Mars,
>I heard Google has a fair fraction of the available world's
>supply of hard disk drives.
>
>Roger

--

Scott in Florida
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"Roger N. Clark

External


Since: Oct 04, 2005
Posts: 833



(Msg. 9) Posted: Fri Oct 20, 2006 9:55 am
Post subject: Re: 8.6 billion pixels digital image [Login to view extended thread Info.]
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Scott in Florida wrote:

>>Regarding Google Earth, that is also quite an achievement.
>>Using the radius of the Earth, and assuming 30 meters
>>per pixel,
>
> My house is easily viewed in decent detail on Google Earth.
>
> I would think it would take more than one pixel to render a house.

Yes, that is why I stated that some areas are at higher resolution.
It looks like the high resolution stuff is on the order of a
meter (at least it was over my house the last time I
checked): I could see the windshield of a car parked in the
driveway. But the vast majority of the Earth is covered
by Landsat data at 30 meters/pixel. Many cities are covered
at the higher resolution.

Roger

>>covering only land areas (1/3 surface areas
>>of the earth, I compute one would get 78 terapixels
>>(78,000 gpixels). On disk that would be about
>>230 terabytes on disk for a 3 band image. Google earth
>>has some areas at higher resolution, and has coverage in
>>other colors too. So probably over 1000 terabytes
>>of data.
>>
>>From someone who has worked with Google on Google Mars,
>>I heard Google has a fair fraction of the available world's
>>supply of hard disk drives.
>>
>>Roger
>
>
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John McWilliams

External


Since: Aug 25, 2005
Posts: 1482



(Msg. 10) Posted: Fri Oct 20, 2006 9:55 am
Post subject: Re: 8.6 billion pixels digital image [Login to view extended thread Info.]
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Roger N. Clark (change username to rnclark) wrote:
> Scott in Florida wrote:
>
>>> Regarding Google Earth, that is also quite an achievement.
>>> Using the radius of the Earth, and assuming 30 meters
>>> per pixel,
>>
>> My house is easily viewed in decent detail on Google Earth.
>>
>> I would think it would take more than one pixel to render a house.
>
> Yes, that is why I stated that some areas are at higher resolution.
> It looks like the high resolution stuff is on the order of a
> meter (at least it was over my house the last time I
> checked): I could see the windshield of a car parked in the
> driveway. But the vast majority of the Earth is covered
> by Landsat data at 30 meters/pixel. Many cities are covered
> at the higher resolution.

Including the rather vast Oceans?

--
John McWilliams
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Joan

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Since: May 21, 2007
Posts: 166



(Msg. 11) Posted: Fri Oct 20, 2006 11:07 pm
Post subject: Re: 8.6 billion pixels digital image [Login to view extended thread Info.]
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Wow! Google Mars? I wonder how long that will take!

Wink

--
Joan
http://www.flickr.com/photos/joan-in-manly

"Roger N. Clark (change username to rnclark)" <username.DeleteThis@qwest.net>
wrote in message news:45365EA0.7040405@qwest.net...
:
: From someone who has worked with Google on Google Mars,
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"Roger N. Clark

External


Since: Oct 04, 2005
Posts: 833



(Msg. 12) Posted: Fri Oct 20, 2006 11:07 pm
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Joan wrote:
> Wow! Google Mars? I wonder how long that will take!
>
> Wink
>
Its done. http://www.google.com/mars

Roger
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RichA

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Since: Oct 16, 2006
Posts: 3



(Msg. 13) Posted: Fri Oct 20, 2006 11:16 pm
Post subject: Re: 8.6 billion pixels digital image [Login to view extended thread Info.]
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On Fri, 20 Oct 2006 06:56:09 -0700, "Roger N. Clark (change username
to rnclark)" <username DeleteThis @qwest.net> wrote:

>Joan wrote:
>> Wow! Google Mars? I wonder how long that will take!
>>
>> Wink
>>
>Its done. http://www.google.com/mars
>
>Roger

I hope it's free, or Google might have to start paying NASA and JPL
some royalties.
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