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Tom

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Tom last won the day on September 13

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  1. I recently came across some interesting relief models being shown on Reddit. The results looked a lot like RTI/PTM to me, and the poster claimed to offer a commercial scanner that produces similar results to our domes. It's called ArtScanner: https://www.paflab.art/en/activity/artscanner/432 I thought that forum members might be interested to know about this development. This leads me to wonder what the future of RTI might be, and if there are any new developments underway? Us Mac users can't build RTI files any more, and there doesn't seem to be any source code on the CHI website or on GitHub. Perhaps a public repository could help to generate new interest in this amazing technology?
  2. You could try CloudCompare, as this has an 'unwrap cylinder' function. You could then scale and measure a flattened version. Hope this helps. Tom
  3. I managed to find an old Mac running macOS 10.13 High Sierra and get a working RTI setup. It wasn't trouble-free to get it working, so I posted instructions on how to get everything working on an old system here: Hope this helps some people in the interim. Tom Curatorial Research Centre https://curatorialresearch.com
  4. I'm having to rebuild my RTI/PTM workflow on account of reinstalls etc. I know that none of the apps work on a macOS 64 bit system like 10.15 Mojave but I was lucky enough to find an old MacBook Air running macOS 10.13 High Sierra. Some of the links above are broken now, so here's a summary of what I did to get working RTI/PTM software in macOS 10.13 if you are lucky enough to have an old Mac hanging around. There are risks in allowing apps from being installed from anywhere, so bear this in mind if you are installing software from other places. Download RTIbuilder and add to the Applications folder as usual. It will not run, and macOS will report the app as broken. Disable Gatekeeper (this is what prevents the app from running) by opening a terminal and typing (or copy/paste) sudo spctl --master-disable Verify that this has worked by going into System Preferences > Security & Privacy and in the General tab check that there are now three options for installing software under "Allow downloaded apps from:" and that "Anywhere" is selected. Now you should be able to run RTIBuilder. If you're concerned about security, after you have finished building and viewing HSH RTIs, set the option in Security & Privacy back to another option such as "App Store and identified developers". If you want to create PTM files too: Right-click on RTIBuilder and select "Show Package Contents" then navigate into Contents > Resources > Java > Fitters > PTMfitter The folder will be empty. Keep it open and open a new Finder window/tab. Download the PTMfitter software from Carla's Dropbox link: https://www.dropbox.com/sh/jfsy0lhxu6zv4i4/AADJpq6E_GJmNw_s5C8r94CVa?dl=0 Extract the zip file and copy the file PTMfitter file (there's no file extension and this doesn't matter) into the PTMfitter directory that you still have open. Open a terminal and (assuming RTIBuilder is in your Applications folder) type/copy/paste cd /Applications/RTIbuilder-v2.0.2.app/Contents/Resources/Java/Fitters/PTMfitter Next, you need to make the PTMfitter file executable by typing chmod 755 PTMfitter Now you can close your Finder windows and launch RTIBuilder. It should now launch and be able to create both HSH/RTI and PTM files. I hope this helps some people at least. Thanks, Tom Curatorial Research Centre https://curatorialresearch.com (These instructions worked on macOS 10.13 High Sierra in February 2020)
  5. Tom

    Buying a Dome

    I built a simple dome back in 2009 when I worked for Wessex Archaeology. You can see the build process here: If you have a few spare days, and are handy with a soldering iron, you could build your own relatively cheaply. I shared my methods and what I learned building it with the University of Southampton project which seemed to inform some of the features of the domes that are being made today.
  6. For me, RTIViewer works fine in macOS Catalina. I wonder why that should be (binary is dated 18 Nov 2013)? However, when launching RTIbuilder 2.0.2 macOS asks for 2017 Java, which won't run because macOS reports that it already has a newer version installed. Like Hembo, I can't create RTIs any more. If priority could be for HSHFitter, with PTMFitter coming later, that would be a great start for modernising these apps. There's nothing else like RTI! As Hembo suggests, time to dust off VirtualBox and try that route (or beg an old PC laptop from a friend!). I'm not sure how I can help as my programming skills are limited, but anything I can do to help I will. Thanks, Tom
  7. Thanks for the info, Carla. I shall have to be patient then! Hopefully the new version of RTIViewer will be helpful in the interim.
  8. Is the CARE tool available yet? I'm struggling to produce a clear image of a very crude engraving on a piece of stone, and since the lines are fairly neat yet at different depths (the stone is 'stepped') I'm hoping some algorithmic rendering may well help me to get some decent images. I'd like to give it a shot, anyway. Also - is there also a tool for Macs that will produce an image of the surface normals? I know the original PTM viewer could do this, but it no longer seems to work in OS X 10.8 ("bad cpu type in executable" - presumably it requires Rosetta). Thanks, Tom Goskar
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