Helmert coordinate transformation in VB.net by Joel SjögrenHelmert coordinate transformation in VB.net by Joel Sjögren

Helmert coordinate transformation in VB.net

Joel Sjögren

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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