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ThomasLecocq avatar ThomasLecocq commented on June 12, 2024

Hi Dylan,

Indeed, in case the coordinates are DEG it's not good (except close to the equator)... It's been a long long time I haven't looked at the code. If you have a solution, please indeed PR it. Actually there are already "interstation distances" calculated elsewhere in the code (and in the prepare_ccf file) where the real distance is computed (using msnoise.api.get_interstation_distance)

thanks for all this

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dylanmikesell avatar dylanmikesell commented on June 12, 2024

I have moved from a grid in units of degree to a grid in units of kilometers. This uses pyproj to convert to UTM coordinates and then kilometers from meters. Now units of data match G matrix and strange issues related to model values and data values appear to be gone. Commit is 3285c04. Will do a pull request soon.

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