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53
votes
7answers
5k views

What are some best practices for managing large amounts of geospatial data?

How do you manage your geospatial data? I have terabytes of data spread out over hundreds of datasets, and have an ad-hoc solution using symbolic links within projects which link back to an ...
7
votes
1answer
1k views

Removing rows in shapefile in R

I've imported a shapefile into R, and joined it to a table. My shapefile contains all the census ids, while my table only contains selected census ids. I'm now trying delete all the rows didn't get a ...
9
votes
4answers
677 views

How do you manage existing GIS data and allow for integration with an Asset management system?

I am using ESRI based GIS software, Postgresql/PostGIS/ArcSDE DB and we have a Mincom Ellipse asset management system. Currently our all our spatial information regarding asset sites have been ...
9
votes
2answers
257 views

Tools to compare unversioned copies of geospatial data

My office has about 100 GB of geospatial data of varying forms (imagery, feature classes in geodatabases, LIDAR, tables, etc) that have gone somewhat unmanaged for the decade during which they were ...
14
votes
2answers
1k views

What is the best practice for data management? [duplicate]

I have always been curious how other folks are storing their spatial data. Outside of an enterprise environment where much data is stored in enterprise geodatabases, is it better to store data per ...
3
votes
5answers
1k views

When a raster is clipped to a polygon with Python, why does it still take on the extent of the entire shapefile?

I am clipping a raster image to each polygon row in a shapefile in ArcMap 9.3 using the Clip tool (Data Management) in Python with Clipping Geometry set. While the clipped raster successfully depicts ...