[R-sig-Geo] R-sig-Geo Digest, Vol 155, Issue 14

Paul Lantos paul.lantos at duke.edu
Fri Jul 15 17:35:04 CEST 2016


Hi Alex, the commercial stats program SpaceStat (Biomedware) can both read and write geodatabase files. Second, I've had geodatabase files from ArcGIS 10.3.1 used without any problem by colleagues running 10.0.0. I haven't tried this with geodatabases containing complex topology rules, but for basic combinations of rasters and vectors there's been no problem at all.

Paul

-----Original Message-----
From: Alex Mandel [mailto:tech_dev at wildintellect.com] 
Sent: Friday, July 15, 2016 11:31 AM
To: Paul Lantos <paul.lantos at duke.edu>; r-sig-geo at r-project.org
Subject: Re: [R-sig-Geo] R-sig-Geo Digest, Vol 155, Issue 14

rgdal has a geodatabase driver (gdal in QGIS too)

Standardizing on the format is impossible unless ESRI opens the specification. Currently open source tools, even using ESRI SDK can not read Rasters from geodatabase, relation based values in vectors, and have little or no write ability. Also ESRI gdb formats are not backwards compatible with each other, if you write a file with the newest Arc it's only usable with the newest versions.

I convert all gdb I receive into either gpkg or spatialite which FYI ArcGIS can read both of those now. For whatever reason ESRI has not implemented the ability to write to those formats yet.

-Alex

On 07/15/2016 04:40 AM, Paul Lantos wrote:
> ESRI / ArcGIS has moved beyond shapefiles too with the advent of geodatabases. In a GIS environment these are superior to shapefiles in many ways, and ESRI in its own training and help resources encourage geodatabases over shapefiles. As far as I've seen only SpaceStat has made itself compatible with geodatabases. But I think that it's a high priority for R, QGIS, etc to adopt the geodatabase as a common format, esp to facilitate interchange with ArcGIS.
> 
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