Category Archives: photogrammetry

Photogrammetry tutorial 13: How to handle a project in Reality Capture

Well, this is a long overdue post, and I could have saved myself a lot of emailing if I’d written it earlier. Basically, it is a sibling, even a twin to my tutorial on how to handle a project in … Continue reading

Posted in 3D modeling, How to, photogrammetry | Leave a comment

Photogrammetry tutorial 12: my workflow for Agisoft Photoscan as a diagram

The last tutorial on how to handle a project in Agisoft Photoscan Pro describes all the steps I usually do in some detail. Here, I’ll show you a flow diagram, which gives a nice concise overview for those who do … Continue reading

Posted in Digitizing, How to, photogrammetry | 2 Comments

Speeding up Photoscan’s dense cloud generation, 2018 version

Previously, if you wished to speed up the dense cloud creation by altering the settings for the number of pairs for the depth filtering, you had to use a rather complicated approach, and it only worked in the Pro version. … Continue reading

Posted in Digitizing, How to, photogrammetry | 1 Comment

Speeding up Photoscan’s dense cloud generation

A while ago, Agisoft added GPU support to its wonderful photogrammetry program Photoscan. Calculation speed for the various processes that can make use of it went up a lot. Great! However, many users complained that generation of the dense clouds … Continue reading

Posted in Digitizing, photogrammetry | 5 Comments

Giraffatitan in all its 3D digital glory (was Digitizing entire dinosaurs 2 (digiS 2016))

Quite a while ago I mentioned that for fiscal year 2016 I again received funding from the Berlin digiS program. Whereas 2015 saw Bone Cellar material digitized, the linked post shows one of the the first results of the 2016 … Continue reading

Posted in 3D modeling, digiS, Digitizing, Dinopics, Dinosaur models, Dinosauria, FUN!!!, Giraffatitan, MfN Berlin, photogrammetry, Sauropoda, Sauropodomorpha, Tendaguru | 5 Comments

Photogrammetry tutorial 12: How to preserve strike and dip or cardinal directions in your 3D model

Photogrammetry is a really nice and easy way of surface digitizing specimens in collections, but also useful in the field. Recently, Marie Attard, a colleague working in England, asked me to help with a project that deals with rock surface … Continue reading

Posted in Digitizing, How to, photogrammetry | 3 Comments

Making Mike Taylor gloriously green-eyed

It has become a bit of a tradition that I use this blog to make Mike Taylor of SV-POW! (and much other) fame a tiny bit jealous. By posting photos of the Museum für Naturkunde Berlin dinosaurs, for example a … Continue reading

Posted in digiS, Digitizing, Dinopics, Dinosauria, FUN!!!, Giraffatitan, MfN Berlin, photogrammetry, Sauropoda, Sauropodomorpha, Tendaguru | 1 Comment

“Liberation from the Bone Cellar” – a progress report

Here’s a short update on how my digiS 2015 project is coming along. Yes, 2015 is still running, due to a bunch of unforeseen circumstances a huge theropod sticking its ugly skull into my affairs and demanding to be photogrammetrized … Continue reading

Posted in digiS, Digitizing, MfN Berlin, photogrammetry, Tendaguru | 2 Comments

a selfie (digiS2016)

I rarely take selfies. Mostly because I hate being photographed, but also because I do not see the need to show everyone in the world everything I do. Here’s one, though, that I just had to take, mostly in order … Continue reading

Posted in digiS, Digitizing, Dinopics, Dinosauria, FUN!!!, Giraffatitan, Mammal pic, Mammalia, MfN Berlin, photogrammetry, Sauropoda, Sauropodomorpha, Tendaguru | 5 Comments

Digitizing entire dinosaurs 1 (digiS 2016)

Last year I received funding to digitize a lot of big bones of the Tendaguru collection from the Museum für Naturkunde’s Bone Cellar. This year, I was lucky to again secure funding from the digiS programme. This time, it’s for … Continue reading

Posted in 3D modeling, Berlin, Dicraeosaurus, digiS, Digitizing, Dinosaur models, Dinosauria, Diplodocus, Elaphrosaurus, FUN!!!, Giraffatitan, Kentrosaurus, MfN Berlin, Ornithischa, photogrammetry, Sauropoda, Sauropodomorpha, Stegosauria, Tendaguru, Theropoda | 3 Comments

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 | 4 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 | 17 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 Metashape (Photoscan)

EDIT April 29, 2020 Up to speed with the latest version of Metashape. Note that there is a mesh creation method directly from depth maps. I am not happy with it, and for reasons given below I doubt I ever … Continue reading

Posted in Conferences, digiS, DigitalSpecimen 2014, Digitizing, How to, MfN Berlin, photogrammetry | 41 Comments