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Map size changes with different Wt #72

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csboucher opened this issue Nov 19, 2021 · 1 comment
Open

Map size changes with different Wt #72

csboucher opened this issue Nov 19, 2021 · 1 comment

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@csboucher
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csboucher commented Nov 19, 2021

Expected Behavior
I expect the map to remain the same size (or relatively so) when changing the weigh (wt), but I expect the transitions between different strain rates to be smoother as the algorithm should take in more stations as the cell size gets bigger.

Actual Behavior
From my knowledge of the Shen et al, 2015 method changing the weight (wt) parameter shouldn't affect the size of the map. However I am finding that when I increase the wt the map becomes smaller and smaller. The map does get smoother (as expected)

Possible solution
I am wondering if there is a cap on the amount of elements that can be in the strain rate tensor and I am running out of space as the algorithm works north to south. There are plenty of GPS velocities in the areas that are coming up empty with increasing the wt.

Steps to Reproduce the Problem

Files

wt=24
Mid_EARS-output_2inv-wt24

wt=48
Mid_EARZ-output_2inv-Wt48

wt=60
Mid_EARS-output_2inv-wt60

Mid_EARS_vel.txt

Please let me know if more files are needed.

@csboucher
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Is there any update as to why the area of the map is shrinking with the increasing the weighting factor?

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