Capturing Bryn Celli Ddu

Photographing the large mounds of burial chambers is a tricky business – being able to get high enough to make sure you can see the whole mound requires a bit of aerial camera work… Enter our aerial surveying platform (which we will tell you more about in an upcoming special blog post!), an Unmanned Aerial Vehicle (UAV) carrying a camera underneath. Being able to fly above the mound lets us take photographs like this one (you can see the rest of the photographs here):

DSC00130

The other problem with photographing the mound is that the uniform texture of the grass makes it difficult for the computer to pick out good keypoints, which is why we have used some optical markers (the square sheets of paper) on top of the mound – these are just shapes that the software can use to match up the photographs.

We also got some video footage flying around the mound, which shows the site very nicely in context with the surrounding rural landscape.

The photographs were used to make a model of the mound. We also have photographs of the inside of the mound, which we are hoping to combine into a model of greater detail in the future.

 

This post was originally published on the HeritageTogether website.

Photography Workshop at Coetan Arthur

Coetan Arthur is a fantastic dolmen situated in Cefnamlwch on the Llŷn Peninsula. Seren and I met up with Jamie from the Llŷn Archaeology and History Society to visit the site and help our volunteers get started photographing sites!

Seren gave a great introductory talk on the site, and then we all set about photographing the site together. The photographs taken at this workshop will be used in the digital photogrammetry workshop we will be running with Llŷn Archaeology and History Society on the 16th of July. If you’re interested in having a hands-on experience with processing some photogrammetry data, you can sign up for the workshop here!

Seren's Introduction

Photographing the Dolmen

Thanks to everyone who helped us to photograph it – many of the photographs are already up on the gallery!

 

This post was originally published on the HeritageTogether website.

Open Day Fun at Barclodiad y Gawres

On a blazing hot saturday, the team headed out to Barclodiad y Gawres – a stunning chambered tomb on the coast of Anglesey – for an open day organised in collaboration with Cadw. Since an incident of vandalism some years back, access to the inside of the tomb has been restricted (although access is available on request, see more info on the Cadw website), but during the open day visitors were offered guided tours inside with the wonderful Rhys Mwyn. During the day, Lee flew above the mound and took some great photographs (you can see the whole album here), we made another rock art mural with the help of some wonderfully artistic kids, and spoke to lots of lovely and enthusiastic people about the site.

Rock art inside Barclodiad y Gawres

Barclodiad y Gawres

Using these photographs, we were able to create a model of the mound. We will be heading back to survey the inside sometime soon, as it will require careful lighting to make sure the rock art is photographed at it’s best – if you had a look inside, you will know just how dark it is! Thanks to everyone who came out and visited the site, we hope you had as fantastic a day as we did!

 

This post was originally published on the HeritageTogether website.

Celebrating the Solstice at Bryn Celli Ddu

On the 21st of June, we joined Cadw at Bryn Celli Ddu for a celebration of all things Neolithic! Visitors got the chance to see flint-knapping demonstrations, learn about aerial photography, make embossed badges and much more.

Lee shot this video from above the site during the day, which is a great watch!

We also had special permission to visit a natural outcrop in a neighbouring field (which is private land, so please don’t visit without permission!) on which up to 28 cup marks were discovered in 2005 (you can see some in the left image). Towards the end of the day, the sun treated us to a fanstastic view of the rock art on the stone just outside the burial chamber.

Cup Marks

Rock Art at Bryn Celli Ddu

 

This post was originally published on the HeritageTogether website.