MHL_ADM2

[maxmalynowsky]

Layer: https://codgis.itos.uga.edu/arcgis/rest/services/COD_NO_GEOM_CHECK/MHL_pcode/FeatureServer/2

Proposed fix: https://data.fieldmaps.io/cod/originals/mhl.shp.zip

Issue: Unknown projection in meters but assigned as WGS84. Manual work done to fix but needs more work to align better with islands as there is still an offset to correct.

[hayttom]

Is this related to crossing the 180 degree meridian?

[maxmalynowsky]

No, it's an issue where the Spatial Reference has been incorrectly assigned. The dataset in HDX has this error too. If the dataset was really EPSG:4326 (WGS84), the Min/Max values should be -180/180 and -90/90 degrees. Here you see values in the millions, which suggests some kind of mercator (meter based) SRS. I can't remember which SRS I used to reassign the data to, I think I used a UTM. It got a ballpark result, but there was still a complex variable offset that I wasn't able to correct.