I used ogr2ogr to append contours into a larger dataset. I opted for the zfield option using the ELEVATION field.
I realized one of my contours has a bad value and need to modify it to match the other contours it is connected to. I can edit the attribute ELEVATION fine, but when I rerun a mesh tool it uses the zfield like its the old value instead of the modified one in the ELEVATION field. Where are the zvalues hidden in PostGIS to change them? Do I delete the old line and re-append after I've made the change? That's one option but I was wondering if I can just easily edit it inside postgis first. Donovan
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