Practicum 2

The idea of authenticity and truth is an important on in cultural heritage. The question becomes even more integral when discussing the production and representation of three dimensional models.
The megalithic stones in Louth County Museum Dundalk have already been altered in their lifetime. Firstly, been used as regular standing stones and then taken and used in souterrains in Newtownbalregan and Tateetra. The stones have a history of their own. A history which will be adapted once again through the representation of the stones as 3D models.
Many questions arise when discussing truth and recreations of the past. To the point where even the phrases used are constantly debated. The idea of recreation and representation are linked directly adaption and access. All key phrases in the cultural heritage and museum industries. Museums are becoming more modern, including greater digital techniques and promoting projects such as the virtual presenter in Dundalk County Museum. This adaptation allows for greater access to the public. Public interest and access are two of the most important aspects for a modern museum. Projects such as the three dimensional recording of these megalithic stones attempt to increase access and as a result increase interest for museums. The stones will be presented online for users to discover, critique and evaluate using the presented models and surrounding tools.
It is this discovery which is a huge step forward for museums. Instead of pondering ideas for advertisements and waiting for see the next visitor, museums can undertake digital projects with institutions. It is these projects which enhance the reputation of a museum for free, an important factor for fringe museums who receive less funding than larger institutions.
The post processing of the images has been a success. This involved ensuring the brightness levels were accurate and the shadows on the stones were OK. To increase accuracy I have kept a spreadsheet of the information. Left column designating the image, further columns mentioning and image alterations, which masks used etc. I plan to keep these in versions to keep a progress of my workings.
I have begun to process the images within Agisoft Photoscan. I have used the intelligent scissors to cut out unneeded section from the images. This includes areas of increased shade and non model related backgrounds.
A problem has occurred with the power needed to produce the models. Instead of using my personal laptop I will have to use the An Foras Feasa computers to ensure a complete model. This represents problems of travel and cost. The general methodology of photogrammetry includes the aligning of photographs, the creation of wire meshes, models and adding texture.After completing the capturing of the images of the stones one major problem arose. Missing one side if the stones.
Reflectance transformation imagery will be a very challenging aspect of the practicum. Having no previous experience completing these steps it will be quite an intricate step in this practicum. The idea of authenticity and truth arises from these logical steps. A further truth may be found which can excel the history of these objects.
Reflectance transformation imagery will be a very challenging aspect of the practicum. Having no previous experience completing these steps it will be quite an intricate objective in this practicum. The idea of authenticity and truth arises from these logical steps. A further truth may be found which can excel the history of these objects. The physical material on the stones, which may not be visible, are a key element to their history.

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