Author Archives: Heinrich Mallison

About Heinrich Mallison

I'm a dinosaur biomech guy

A revival?

Posted on July 27, 2022 by Heinrich Mallison

Yeah, once again I write that it has been awfully quiet here, that I have been and am hellishly busy. All true, just as it was last time. And the time before. In fact, my workload has gone up, not … Continue reading →

Posted in Uncategorized | 3 Comments

My “self-built” photogrammetry rig

Posted on December 3, 2020 by Heinrich Mallison

There are a large number of companies out there selling a large number of different scanners employing all kinds of methods for 3D scanning. LIDAR scanners, structured light scanners, small laser scanners, mechanical arms with and without lasers attached, (semi-)automated … Continue reading →

Posted in Uncategorized | 1 Comment

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

Posted on April 29, 2020 by Heinrich Mallison

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 | 3 Comments

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

Posted on November 5, 2018 by Heinrich Mallison

EDIT 06/2022: added chart for using depth map based mesh generation. Updated other charts to new program name. The last tutorial on how to handle a project in Agisoft Metashape Pro describes all the steps I usually do in some … Continue reading →

Posted in Digitizing, How to, photogrammetry | 2 Comments

Speeding up Photoscan’s dense cloud generation, 2018 version

Posted on November 5, 2018 by Heinrich Mallison

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

Posted on November 14, 2017 by Heinrich Mallison

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

EAVP 2016 at Haarlem’s Teylers Museum (2)

Posted on April 29, 2017 by Heinrich Mallison

In the first post of this series I gave a short introduction to the town of Haarlem (NL), because although it is not very dinosaurian or otherwise palaeontological, and thus should not get a post of its own, it does … Continue reading →

Posted in FUN!!!, historical buildings etc., history of science, Mammalia, non-palaeo, raves, Travels | 3 Comments

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

Posted on April 19, 2017 by Heinrich Mallison

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 | 9 Comments

EAVP 2016 at Haarlem’s Teylers Museum (1)

Posted on January 30, 2017 by Heinrich Mallison

After all the recent photogrammetry posts it is high time to get away from “stuff that somehow has to do with dinosaurs a little bit” and finally write again about dinosaurs themselves. Which is why I now will write about … Continue reading →

Posted in "fish", Conferences, historical buildings etc., history of science, ichthyosaur, lower vertebrates, Mammal pic, Mammalia, non-palaeo, raves, Reptilia (non-archosaur), Travels | 5 Comments

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

Posted on November 24, 2016 by Heinrich Mallison

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

Posted on October 28, 2016 by Heinrich Mallison

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

Posted on March 30, 2016 by Heinrich Mallison

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)

Posted on March 9, 2016 by Heinrich Mallison

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)

Posted on February 23, 2016 by Heinrich Mallison

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

Posted on December 20, 2015 by Heinrich Mallison

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