Category Archives: photogrammetry

some more pictures of Tristan the T. rex

When Niels Nielsen, his brother and I sat down to plan the posture for Tristan we faced a few limitation. Obviously, the posture had to be biomechanically possible. We also wanted it plausible, i.e.: we wanted to show the animal … Continue reading

Posted in 3D modeling, AMNH, Berlin, classic CAD, Digitizing, Dinosauria, MfN Berlin, photogrammetry, Theropoda, Tristan, Tyrannosauridae, Tyrannosaurus | 3 Comments

Tristan the T. rex is here!

And here he finally is: Tristan the Tyrannosaurus rex! As of a few seconds ago the press embargo has ended, and I can finally show you all what a wonderful specimen I was press-ganged into living for allowed to work … Continue reading

Posted in digiS, Digitizing, Dinopics, Dinosauria, MfN Berlin, photogrammetry, Theropoda, Tristan, Tyrannosauridae, Tyrannosaurus | 16 Comments

Tristan 3D printing

So, you’ve all been faithfully following this place in the hope of catching an early glimpse of the greatest T. rex to ever grace a European museum? A preview that shows a tiny bit of the majestic bones? Or maybe … Continue reading

Posted in Digitizing, Dinopics, Dinosaur models, Dinosauria, MfN Berlin, photogrammetry, Theropoda, Tristan, Tyrannosauridae, Tyrannosaurus | 5 Comments

Photogrammetry tutorial add-on: The consequences of optimizing a sparse point cloud

If you build a photogrammetric model following the workflow I suggest in this post, one of the steps is optimizing the sparse point cloud (tie point cloud) via gradual selection and deletion of points. Here’s why that matters. Below you … Continue reading

Posted in Dinosauria, How to, photogrammetry, Sauropoda, Sauropodomorpha, Tendaguru | 12 Comments

Photogrammetry tutorial 11: How to handle a project in Agisoft Photoscan

EDIT MARCH 10 2018 Note that this tutorial is for version 1.3 and below of Photoscan Pro! There will be a new version for version 1.4.1 soon /EDIT   Over the course of the last few year I have helped … Continue reading

Posted in Conferences, digiS, DigitalSpecimen 2014, Digitizing, How to, MfN Berlin, photogrammetry | 33 Comments

Less than 4 minutes to 3D digitize a large bone! (digiS project)

It’s been quiet here recently, and as is usually the case my work load is to blame. It’s not just that there is way more work than time to do it, but that I am currently doing a bunch of … Continue reading

Posted in digiS, Digitizing, Dinosauria, Giraffatitan, Kentrosaurus, MfN Berlin, Ornithischa, photogrammetry, Sauropoda, Sauropodomorpha, Stegosauria | 13 Comments

Direct PDF download link for Mallison and Wings 2014

I keep getting emails requesting a PDF of the paper I wrote with Oliver Wings (link to blog post) on how to do photography for photogrammetry. That’s because the download link on the journal’s web page of the article is … Continue reading

Posted in Open Access publishing, photogrammetry | 3 Comments