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location Boston, MA
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visits member for 4 years, 4 months
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I work for Esri on tools for ocean science. I'm affiliated with the National Center for Ecological Analysis and Synthesis, and recently graduated from at nearby UCSB, where I studied the global shipping trade in an ecological context (thesis).

Source snippets I post on GIS.SE are dedicated to the public domain.


Nov
3
awarded  Famous Question
Oct
18
revised Is it possible to sort an arcpy.da.UpdateCursor()?
added 1 character in body
Sep
30
awarded  Explainer
Sep
29
awarded  Necromancer
Aug
27
revised Raster diff: how to check if images have identical values?
edited tags
Aug
27
answered Raster diff: how to check if images have identical values?
Aug
27
comment Best way to add Attribute data to a shape file
The specific constraints vary by the particular software's use of the format, but the simplest restrictions are: 11 character field names, no special characters or spaces in field names, and stick to the core datatypes of DBF files (not esoteric things like 'memo' fields). For more details, see shapefile.py, the shapelib DBF API or this tome on xbase.
Aug
27
comment Display Arabic text in ArcGIS
Could you attach a screenshot of what you're getting, and include information about what version of ArcGIS you're using? Here's a labeled example that works fine on my end.
Aug
19
awarded  Constituent
Aug
12
awarded  Caucus
Aug
8
comment How to restore gdalinfo metadata after ImageMagick processing?
If you create the VRT file, you can edit it and set the data source to a new file -- so if you created a 'from-imagemagick.tif' that has the same spatial extent, and edited the VRT to point at that file, you'll be able to use it in GDAL as before.
Aug
8
comment How to restore gdalinfo metadata after ImageMagick processing?
@AndreJoost OK, added it as an answer. You're right that for the GeoTIFF format, the .aux.xml should be sufficient as well.
Aug
8
answered How to restore gdalinfo metadata after ImageMagick processing?
Aug
7
comment How to restore gdalinfo metadata after ImageMagick processing?
Probably the easiest thing to do is use gdal_translate to get the resized image, but if you do need to use imagemagick, try translating your raster to a .vrt: gdal_translate in.tif in.vrt. That XML document should include all the relevant metadata, including the coordinate reference system, et cetera. You'll have to manually recompute differences based on transformations like resizing if that's being preformed outside of the GDAL context.
Aug
7
answered Where can I find a dataset for international borders that includes national waters?
Aug
6
awarded  Good Answer
Aug
1
revised ArcMap running scripts slower if you import Arcpy
fixed typo
Jul
29
awarded  Electorate
Jul
23
awarded  Yearling
Jul
14
awarded  Nice Answer