Helmert coordinate transformation in VB.net
Joel Sjögren
The task was to implement the Helmert transformation for use in a bridge construction/maintenance project. I found an old article by Shinji Umeyama explaining how to solve the problem using the SVD decomposition. So I learned just enough of VB.net programming in order to import a suitable linear algebra package and implement the algorithm.
In a follow-up project, we used this Helmert transformation as the basis for an error correction procedure during the casting of concrete segments.
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This is the review given by my client:
“Joel completed this job exceptionally well and within the timeframe that he had provided. He was very easy to communicate with and I will definitely be assigning more similar work to Joel in the future.”
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Posted Aug 30, 2023
Geometric calculations...
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