Polynomial Texture Mapping : .PTM files

This topic has 7 replies, 2 voices, and was last updated 10 October 2021 at 23:40 by Michael Gilligan.

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10 October 2021 at 11:52 #28388
Michael Gilligan
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@michaelgilligan61133
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10 October 2021 at 11:52 #566258
Michael Gilligan
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@michaelgilligan61133
This question is prompted by Neil’s Antikythera threads, but it’s a simple question about file viewers; so probably best kept separate:

There are 82 images available on this page: **LINK**

http://www.antikythera-mechanism.gr/data/ptm/full-resolution-ptm

Some of which I would like to view [preferably on the iPad]

The PTM viewer linked from that page seems to be an ‘Antiquity’ in its own right !
**LINK**

https://www.hpl.hp.com/research/ptm/downloads/ptm_viewer.htm

I have, however, found a more modern page, which looks promising: **LINK**

http://shiftleft.com/mirrors/www.hpl.hp.com/research/ptm/downloads/download.html

… it even mentions a Mac version.

Before I disappear down the rabbit-hole, does anyone know of a PTM viewer for iOS

Thanks

MichaelG.
10 October 2021 at 13:13 #566273
Michael Gilligan
Participant
@michaelgilligan61133
HTTP Status 404 – /ptm/downloads/PTMViewerMac.zip

type Status report

message /ptm/downloads/PTMViewerMac.zip

description The requested resource is not available.
10 October 2021 at 13:59 #566275
Michael Gilligan
Participant
@michaelgilligan61133
I'm still lost … but have just stumbled across this page on the Wayback Machine : **LINK**

https://web.archive.org/web/20190307055738/http://www.hpl.hp.com/research/ptm/

… and this comparatively recent page:

https://www.loc.gov/preservation/digital/formats/fdd/fdd000487.shtml

<< Help ! >>

MichaelG.

Edited By Michael Gilligan on 10/10/2021 14:06:51
10 October 2021 at 14:16 #566276
SillyOldDuffer
Moderator
@sillyoldduffer
Try RTIviewer from CHI Michael. (Can't test it myself because daughter has left home with her Mac.)

My problem is getting a Viewer to run on Linux! Just hit a 32-bit iceberg.

Dave
10 October 2021 at 14:44 #566279
Michael Gilligan
Participant
@michaelgilligan61133
Will do, Dave

… Many thanks

MichaelG.

.

Edit: __ That works a treat with their Papyrus file

… Now to try it with some of the big images

Edited By Michael Gilligan on 10/10/2021 15:13:21
10 October 2021 at 16:14 #566288
Michael Gilligan
Participant
@michaelgilligan61133
All looks good so far

MichaelG.
10 October 2021 at 23:40 #566331
Michael Gilligan
Participant
@michaelgilligan61133
As a final note of thanks, Dave

I’ve also found that there is a web-based viewer [albeit with less functionality]
**LINK**

http://vcg.isti.cnr.it/rti/webviewer.php

MichaelG.

.

Edit: __ as a bonus: https://www.researchgate.net/publication/46391559_Reflectance_Transformation_Imaging_RTI_System_for_Ancient_Documentary_Artefacts

Edited By Michael Gilligan on 10/10/2021 23:51:02
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