Friday, September 4, 2009

Week 3: Fragmentation

Research:
Spent largest part of the week (apart from some administrative nonsense) preparing data for stereophotogrammetry on the 2003 dataset (selecting GCP's, registering images - learning HOW to register images with fiducial marks). Performed preliminary elevation extraction and (after several accuracy tests) encountered a 3.6m vertical offset in the data - undoubtedly linked to the obscure French datum used to collect the input data - have to either subtract the average error, or find a way to convert between datums. Image size also too big for software to handle (it's never easy, is it?). Software developer promised to send updated version of software next week which will solve a lot of problems and provide a much larger amount of automation. Have decided to let everything stew until I get the new version.

Writing
Slow, as always, but getting there. Felt like I was breaking through the barrier of my own perfectionism for the first time this week. Pretty much finished the "Research Problem and Aims" section of Chapter 1. Would have liked to achieve more, but it's ok. At least I am gaining momentum.

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