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Help needed #1

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oliverschwartz opened this issue Feb 8, 2021 · 3 comments
Open

Help needed #1

oliverschwartz opened this issue Feb 8, 2021 · 3 comments

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@oliverschwartz
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Hi @swfiua

I was hoping you could give me some guidance for reading in NOAA SLR depth data (e.g. https://coast.noaa.gov/htdata/Inundation/SLR/SLRdata/FL/ALFL_MOB_TLH_slr_raster_data_dist.zip) using fiona/geopandas.

Currently, fiona.listlayers(path) returns an empty list.

@swfiua
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swfiua commented Feb 8, 2021

Have you tried gdal.ogr.Open to read the *.gdbtable files?
see noashark.raster for an example -- it is a work in progress.
I also found geopandas good for these files.

@swfiua
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swfiua commented Feb 8, 2021

I just pushed out some changes that were lingering my end and updated README.

I downloaded the zip file, unzipped and the good news is my code seems to be reading it fine.

There's a fair bit of remaining work to turn this into something where you can just give a lat/lon and get a bunch of relevant tiles.

The raster code is still trying to figure out the right way to interpret the four bytes of data it gets for each grid point, but that should resolve itself in due course.

@oliverschwartz
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Sounds great. I've just emailed you (hoping to set up a call to get a quick run through of how to use the repo if possible).

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