Murten panorama
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Paul Bourke
Feb 12, 2024, 7:43:42 PM2/12/24
to PTGui Support
I thought I would drop a quick thank you note to those who replied to my various questions over the last month or so. The Murten panorama is now being successfully assembled. Given that it's a "digital twin" project, stitching errors are unacceptable.
I'll be writing this up properly at some point, for those interested before then, some of the specifications are listed below:
- 3 scrolls, the original 360 panorama was diced up into the 3 pieces 20+ years ago.
- Combined the painting it is 10m high by 100m long.
- It was scanned at 1000dpi (40 pixels/mm) so the final image will be 400,000 pixels x 4 million pixels!
I'll be writing this up properly at some point, for those interested before then, some of the specifications are listed below:
- 3 scrolls, the original 360 panorama was diced up into the 3 pieces 20+ years ago.
- Combined the painting it is 10m high by 100m long.
- It was scanned at 1000dpi (40 pixels/mm) so the final image will be 400,000 pixels x 4 million pixels!
- Low resolution versions of each piece are attached, each piece is between 1.2 and 1.4 million pixels wide.
- Each piece is a grid of 59 rows by between 140 and 180 columns.
- Image overlap 30% x 50%.
- Each photograph is 150MPixels.
- Illumination falloff correction (used glancing light source) across each image and colour chart based calibration performed.
Next exercise will be to put the 3 pieces together. It will be amazing to have created a single 400,000K x 4,000,000 image.
Hats off to the developers of PtGui, incredible that it can handle something like this.
- Image overlap 30% x 50%.
- Each photograph is 150MPixels.
- Illumination falloff correction (used glancing light source) across each image and colour chart based calibration performed.
Next exercise will be to put the 3 pieces together. It will be amazing to have created a single 400,000K x 4,000,000 image.
Hats off to the developers of PtGui, incredible that it can handle something like this.
Paul Bourke
Feb 13, 2024, 4:38:53 AM2/13/24
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That's where it gets interesting. Photoshop can only handle up to
300,000 pixels in any one direction, so can't even deal with the
height.
By the way, are you familiar with VIPS, it's what I'm using for the
back end along with Mirador for the viewing at full resolution.
VIPS is really cool. I can extract out the ends at 300K, combine in PS
and then recombine again with VIPS. But I have to split vertically as
well to get the full 400,000 pixels vertically.
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Paul Bourke
http://paulbourke.net
Email: paul....@gmail.com
Mobile: +61 433338325
300,000 pixels in any one direction, so can't even deal with the
height.
By the way, are you familiar with VIPS, it's what I'm using for the
back end along with Mirador for the viewing at full resolution.
VIPS is really cool. I can extract out the ends at 300K, combine in PS
and then recombine again with VIPS. But I have to split vertically as
well to get the full 400,000 pixels vertically.
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--
Paul Bourke
http://paulbourke.net
Email: paul....@gmail.com
Mobile: +61 433338325
Paul Bourke
Feb 13, 2024, 4:40:21 AM2/13/24
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The detail in the full resolution is to die for, 25 microns (thin hair
diameter) over 100m. The conservators love it.
diameter) over 100m. The conservators love it.
PTGui Support
Feb 13, 2024, 12:00:10 PM2/13/24
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Hi Paul,
Congratulations! I'm pretty sure this is a record!
Kind regards,
Joost Nieuwenhuijse
www.ptgui.com
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Congratulations! I'm pretty sure this is a record!
Kind regards,
Joost Nieuwenhuijse
www.ptgui.com
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John Houghton
Feb 13, 2024, 12:51:22 PM2/13/24
to PTGui Support
I found a very interesting description of the restoration of the panorama at https://www.murtenpanorama.ch/en/restaurierung/413.php . Well worth a look.
John
Paul Bourke
Mar 17, 2024, 5:44:46 PM3/17/24
to PTGui Support
The whole panorama stitch
https://paulbourke.net/transient/Murten/cylindrical/
Still noting that this is only 1/10 final resolution (my server doesn't have the space for the full resolution).
Still noting that this is only 1/10 final resolution (my server doesn't have the space for the full resolution).
In the full resolution, every pixel in the images shown here consists of 100 pixels.
John Houghton
Mar 18, 2024, 4:03:04 AM3/18/24
to PTGui Support
Paul, That's a splendid result. Absolutely fine for the general viewer at that resolution.
John
Paul Bourke
Mar 18, 2024, 4:47:37 AM3/18/24
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Thanks, and I agree.
It is scary to export scroll 1 at 100% and get a 1.6TB image file.
The three scrolls together are a tad over 4TB.
It is scary to export scroll 1 at 100% and get a 1.6TB image file.
The three scrolls together are a tad over 4TB.
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Kelly
Mar 18, 2024, 8:17:22 AM3/18/24
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Extraordinary! Well done Paul!! Thank you for sharing your epic stitch. Please post when the digital image has a permanent URL.
Marvelous detail at this resolution allowing even thread count...
...will there be a scale overlaid onto the stitch somewhere showing true measurement?
Are the penciled dates 25 September 1893 & 25 July 1984 the actual begin - end dates of painting?
George Palov
Mar 18, 2024, 12:08:51 PM3/18/24
to PTGui Support
Paul, impressive work least to say! I (and I guess not only myself) will be glad if you can share some of your knowledge to put this work to this amazing result. Most of us will never have the chance nor the technical equipment to do this, but for some it is interesting to know more "behind the scene" info.
- how did you manage to put the three pieces together- was it in stitching with PtGui or was it in html and xml in KrPano, or else?
- how were the images physically "scanned"? I guess there were many physical/size problems to overcome.
- computer hardware, which managed to pull this off?
- total data accumulated/ HDD space
- etc...
It will be a great article if you decide to make one oneday!
It will be a great article if you decide to make one oneday!
Hats off once again!
des...@gmail.com
Mar 19, 2024, 5:49:47 AM3/19/24
to PTGui Support
Wow!
Very, very good work! And great art! Congratulation to Paul!
понедельник, 18 марта 2024 г. в 19:08:51 UTC+3, George Palov:
Message has been deleted
Paul Bourke
Jun 30, 2024, 12:58:52 AM6/30/24
to PTGui Support
For those interested, here's my final "making of" document. (Sorry, forgot the link in the last post)
https://paulbourke.net/panorama/MurtenStory/
The final image did indeed come in at the expected 1.6 terapixels, we still believe is the highest resolution digital twin of any artwork, or any panorama for that matter. Huge respect for PTGui dealing with on average 10 thousand x 150MPixel photographs.
Misho Ristov
Jun 30, 2024, 7:53:21 AM6/30/24
to PTGui Support
Simply amazing!!!
Congrats on getting this project done!
thanks for sharing the experience.
cheers,
Misho
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PTGui Support
Jul 1, 2024, 2:17:14 AM7/1/24
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Yes great work Paul! Thanks for the writeup!
>> athttps://www.murtenpanorama.ch/en/restaurierung/413.php <https://www.murtenpanorama.ch/en/restaurierung/413.php>. Well worth a look.
>> >https://groups.google.com/d/msgid/ptgui/d82aee78-3cac-4a11-9dd3-3cbb0ba41fabn%40googlegroups.com <https://groups.google.com/d/msgid/ptgui/d82aee78-3cac-4a11-9dd3-3cbb0ba41fabn%40googlegroups.com><https://groups.google.com/d/msgid/ptgui/d82aee78-3cac-4a11-9dd3-3cbb0ba41fabn%40googlegroups.com?utm_medium=email&utm_source=footer <https://groups.google.com/d/msgid/ptgui/d82aee78-3cac-4a11-9dd3-3cbb0ba41fabn%40googlegroups.com?utm_medium=email&utm_source=footer>>.
>>
>>
>>
>> --
>> Paul Bourke
>> http://paulbourke.net <http://paulbourke.net/>
>> Email:paul....@gmail.com
>> Mobile:+61 433338325 <tel:+61%20433%20338%20325>
>> visithttps://groups.google.com/d/msgid/ptgui/d9466099-0167-40d6-bd70-342614f09347n%40googlegroups.com <https://groups.google.com/d/msgid/ptgui/d9466099-0167-40d6-bd70-342614f09347n%40googlegroups.com?utm_medium=email&utm_source=footer>.
>
> --
On 30-06-2024 13:52, Misho Ristov wrote:
> Simply amazing!!!
>
> Congrats on getting this project done!
> thanks for sharing the experience.
>
> cheers,
> Misho
>
>> On 30 Jun 2024, at 7:58 AM, Paul Bourke <paul....@gmail.com> wrote:
>>
>> For those interested, here's my final "making of" document. (Sorry,
>> forgot the link in the last post)
>> https://paulbourke.net/panorama/MurtenStory/
>> <https://paulbourke.net/panorama/MurtenStory/>
>> The final image did indeed come in at the expected 1.6 terapixels, we
>> still believe is the highest resolution digital twin of any artwork,
>> or any panorama for that matter. Huge respect for PTGui dealing with
>> on average 10 thousand x 150MPixel photographs.
>>
>> On Tuesday 19 March 2024 at 20:49:47 UTC+11 des...@gmail.com
>> <http://gmail.com/>wrote:
> Simply amazing!!!
>
> Congrats on getting this project done!
> thanks for sharing the experience.
>
> cheers,
> Misho
>
>> On 30 Jun 2024, at 7:58 AM, Paul Bourke <paul....@gmail.com> wrote:
>>
>> For those interested, here's my final "making of" document. (Sorry,
>> forgot the link in the last post)
>> https://paulbourke.net/panorama/MurtenStory/
>> <https://paulbourke.net/panorama/MurtenStory/>
>> The final image did indeed come in at the expected 1.6 terapixels, we
>> still believe is the highest resolution digital twin of any artwork,
>> or any panorama for that matter. Huge respect for PTGui dealing with
>> on average 10 thousand x 150MPixel photographs.
>>
>> On Tuesday 19 March 2024 at 20:49:47 UTC+11 des...@gmail.com
>> >>>
>> >>> John
>> >>>
>> >>> On Tuesday, February 13, 2024 at 5:00:10 PM UTC
>> PTGui Support wrote:
>> >>>>
>> >>>> Hi Paul,
>> >>>>
>> >>>> Congratulations! I'm pretty sure this is a record!
>> >>>>
>> >>>> Kind regards,
>> >>>>
>> >>>> Joost Nieuwenhuijse
>> >>>>www.ptgui.com <http://www.ptgui.com/>
>> >>> John
>> >>>
>> >>> On Tuesday, February 13, 2024 at 5:00:10 PM UTC
>> PTGui Support wrote:
>> >>>>
>> >>>> Hi Paul,
>> >>>>
>> >>>> Congratulations! I'm pretty sure this is a record!
>> >>>>
>> >>>> Kind regards,
>> >>>>
>> >>>> Joost Nieuwenhuijse
>> >
>> > --
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>>
>>
>>
>> --
>> Paul Bourke
>> http://paulbourke.net <http://paulbourke.net/>
>> Email:paul....@gmail.com
>> Mobile:+61 433338325 <tel:+61%20433%20338%20325>
>>
>>
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Kelly
Jul 1, 2024, 6:55:41 AM7/1/24
to PTGui Support
Thank you Paul for sharing this incredible journey and it's spectacular results. Your article (https://paulbourke.net/panorama/MurtenStory/) on the subject is also to be highly commended. Congratulations!
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