see this from "way-back" http://web.archive.org/web/20110205035551/http://home.gdal.org/projects/imagine/ige_format.html
The actual GDAL support is currently described here https://gdal.org/drivers/raster/hfa.html - I think the .ige files are described as "spill files" there On Mon, 4 Mar 2024 at 18:00, Michael Barton via grass-user < grass-user@lists.osgeo.org> wrote: > Ah!! So that is what the *.ige file is for. > > Michael > _____________________________ > > C. Michael Barton > Associate Director, School of Complex Adaptive Systems ( > https://scas.asu.edu) > Professor, School of Human Evolution & Social Change ( > https://shesc.asu.edu) > Director, Center for Social Dynamics & Complexity ( > https://complexity.asu.edu) > Arizona State University > Tempe, AZ 85287-2701 > USA > > Executive Director, Open Modeling Foundation ( > https://openmodelingfoundation.github.io) > Director, Network for Computational Modeling in Social & Ecological > Sciences (https://comses.net) > > personal website: http://www.public.asu.edu/~cmbarton > > > On Mar 4, 2024, at 10:57 AM, Newcomb, Doug <doug_newc...@fws.gov> wrote: > > No, > The .ige file is what spills over after the 4GB of the .img file fills > up. You need to have both. > > ------------------------------ > *From:* Michael Barton <michael.bar...@asu.edu> > *Sent:* Monday, March 4, 2024 12:12 PM > *To:* Newcomb, Doug <doug_newc...@fws.gov> > *Cc:* Brendan <brendan.har...@gmail.com>; GRASS users < > grass-user@lists.osgeo.org>; evillasenor713 <evillasenor...@gmail.com>; > GRASS developers list <grass-...@lists.osgeo.org> > *Subject:* Re: [EXTERNAL] [GRASS-dev] Can GRASS import a *.ige file? > > The info I downloaded for 2021 had a much more modes sized *.img file and > a huge *.ige file (25 Gb or so). It looks like the best approach is to use > the *.img file and discard the *.ige file. Perhaps that latter is the > uncompressed one. > > Michael > _____________________________ > C. Michael Barton > Associate Director, School of Complex Adaptive Systems ( > https://scas.asu.edu) > Professor, School of Human Evolution & Social Change ( > https://shesc.asu.edu) > Director, Center for Social Dynamics & Complexity ( > https://complexity.asu.edu) > Arizona State University > Tempe, AZ 85287-2701 > USA > > Executive Director, Open Modeling Foundation ( > https://openmodelingfoundation.github.io > <https://urldefense.com/v3/__https://openmodelingfoundation.github.io/__;!!IKRxdwAv5BmarQ!cbaw5GkV3_dbrW6HsMxMGAWs2z5GvJeuC590WttGJejzDPNm_zQ_jt6_z-uJrpiLnPlzyZ205TaoaSnnpI3bVQ6zwbAKdLM$> > ) > Director, Network for Computational Modeling in Social & Ecological > Sciences (https://comses.net > <https://urldefense.com/v3/__https://comses.net/__;!!IKRxdwAv5BmarQ!cbaw5GkV3_dbrW6HsMxMGAWs2z5GvJeuC590WttGJejzDPNm_zQ_jt6_z-uJrpiLnPlzyZ205TaoaSnnpI3bVQ6zAV3ir9U$> > ) > > personal website: http://www.public.asu.edu/~cmbarton > > > On Mar 4, 2024, at 7:56 AM, Newcomb, Doug <doug_newc...@fws.gov> wrote: > > Michael, > The last time I checked, the NLCD data in .img format is an uncompressed > raster. You can save a massive amount of hard drive space by converting > the .img files to deflate compressed geotiff, then linking via r.external. > > That's what I did for the 2019 NLCD , https://youtu.be/0NHdWSF96o0 > <https://urldefense.com/v3/__https://youtu.be/0NHdWSF96o0__;!!IKRxdwAv5BmarQ!blFVjt0b_VzE5YHFAP329crlFPnXaqNiZ4D-fL-iXPQ5XyqvecAcD8O_8casHv10elH0LT7wGuoEBXEk0QGvrXJmh8d9eLE$> > . > The 2021 is the same. The .img /ige file is 26 GB for 1 year nationwide. > Converting to deflate compressed geotiff takes it down to 1.5 GB. > > Hope this helps! > > Doug > ------------------------------ > > *From:* grass-dev <grass-dev-boun...@lists.osgeo.org> on behalf of > Michael Barton via grass-dev <grass-...@lists.osgeo.org> > *Sent:* Friday, March 1, 2024 7:00 PM > *To:* Brendan <brendan.har...@gmail.com> > *Cc:* GRASS users <grass-user@lists.osgeo.org>; evillasenor713 < > evillasenor...@gmail.com>; GRASS developers list < > grass-...@lists.osgeo.org> > *Subject:* [EXTERNAL] Re: [GRASS-dev] Can GRASS import a *.ige file? > > > > * This email has been received from outside of DOI - Use caution before > clicking on links, opening attachments, or responding. * > > > Thanks! > _____________________________ > C. Michael Barton > Associate Director, School of Complex Adaptive Systems ( > https://scas.asu.edu) > Professor, School of Human Evolution & Social Change ( > https://shesc.asu.edu) > Director, Center for Social Dynamics & Complexity ( > https://complexity.asu.edu) > Arizona State University > Tempe, AZ 85287-2701 > USA > > Executive Director, Open Modeling Foundation ( > https://openmodelingfoundation.github.io > <https://urldefense.com/v3/__https://openmodelingfoundation.github.io/__;!!IKRxdwAv5BmarQ!blFVjt0b_VzE5YHFAP329crlFPnXaqNiZ4D-fL-iXPQ5XyqvecAcD8O_8casHv10elH0LT7wGuoEBXEk0QGvrXJmYULrX7M$> > ) > Director, Network for Computational Modeling in Social & Ecological > Sciences (https://comses.net > <https://urldefense.com/v3/__https://comses.net/__;!!IKRxdwAv5BmarQ!blFVjt0b_VzE5YHFAP329crlFPnXaqNiZ4D-fL-iXPQ5XyqvecAcD8O_8casHv10elH0LT7wGuoEBXEk0QGvrXJmuzKOqRQ$> > ) > > personal website: http://www.public.asu.edu/~cmbarton > > > On Mar 1, 2024, at 4:43 PM, Brendan <brendan.har...@gmail.com> wrote: > > Hi Michael. As a rules file for r.category. > > r.colors map=nlcd rules=landcover_colors.txt > r.category map=ncld separator=pipe rules=landcover_categories.txt > > On Fri, Mar 1, 2024 at 5:39 PM Michael Barton <michael.bar...@asu.edu> > wrote: > > Thanks Brendan, > > Any suggestions on how to get this into the raster? Or are you thinking we > should export the raster to vector and link the csv that way? > > Michael > _____________________________ > C. Michael Barton > Associate Director, School of Complex Adaptive Systems ( > https://scas.asu.edu) > Professor, School of Human Evolution & Social Change ( > https://shesc.asu.edu) > Director, Center for Social Dynamics & Complexity ( > https://complexity.asu.edu) > Arizona State University > Tempe, AZ 85287-2701 > USA > > Executive Director, Open Modeling Foundation ( > https://openmodelingfoundation.github.io > <https://urldefense.com/v3/__https://openmodelingfoundation.github.io/__;!!IKRxdwAv5BmarQ!fYLFZEUpm1jpIJ_wm9a70bYCdA7aB_txlsEaQfBpT7KsCcPE0D-XCqh0G78yAHLt9z7W65xcJpglR-yakP99V5Z7ExxQeoo$> > ) > Director, Network for Computational Modeling in Social & Ecological > Sciences (https://comses.net > <https://urldefense.com/v3/__https://comses.net__;!!IKRxdwAv5BmarQ!fYLFZEUpm1jpIJ_wm9a70bYCdA7aB_txlsEaQfBpT7KsCcPE0D-XCqh0G78yAHLt9z7W65xcJpglR-yakP99V5Z7qCnxTyY$> > ) > > personal website: http://www.public.asu.edu/~cmbarton > > > On Mar 1, 2024, at 4:08 PM, Brendan <brendan.har...@gmail.com> wrote: > > Hi Michael, I've attached an NLCD legend in csv format and text files with > categories and color table for GRASS in case it helps. > > On Fri, Mar 1, 2024 at 4:34 PM Michael Barton via grass-dev < > grass-...@lists.osgeo.org> wrote: > > Thanks Ana, > > I was able to do that. I'm trying to look at the NLCD. While it opens fine > and is classified, there are no text labels for the landcover categories. > Would these be hiding in the *.ige file? > > Michael > _____________________________ > C. Michael Barton > Associate Director, School of Complex Adaptive Systems ( > https://scas.asu.edu) > Professor, School of Human Evolution & Social Change ( > https://shesc.asu.edu) > Director, Center for Social Dynamics & Complexity ( > https://complexity.asu.edu) > Arizona State University > Tempe, AZ 85287-2701 > USA > > Executive Director, Open Modeling Foundation ( > https://openmodelingfoundation.github.io > <https://urldefense.com/v3/__https://openmodelingfoundation.github.io/__;!!IKRxdwAv5BmarQ!bVxBv8fT07vVYMHReffcj46QeSJAOyIOA16eJ_3q6fBQ7vAnFxJLli7AZ-NGLJXL2OxJ3h3sxzkspsmF4eq_UYczH51sZMg$> > ) > Director, Network for Computational Modeling in Social & Ecological > Sciences (https://comses.net > <https://urldefense.com/v3/__https://comses.net__;!!IKRxdwAv5BmarQ!bVxBv8fT07vVYMHReffcj46QeSJAOyIOA16eJ_3q6fBQ7vAnFxJLli7AZ-NGLJXL2OxJ3h3sxzkspsmF4eq_UYcz1dBigD8$> > ) > > personal website: http://www.public.asu.edu/~cmbarton > > > On Mar 1, 2024, at 3:01 PM, Anna Petrášová <kratocha...@gmail.com> wrote: > > There should be an .img file, try open that instead. > > On Fri, Mar 1, 2024 at 4:51 PM Michael Barton via grass-dev < > grass-...@lists.osgeo.org> wrote: > > It doesn't look like r.in.gdal does this. Is there an extension or other > way to import an ERDAS *.ige file? > > Michael > _____________________________ > C. Michael Barton > Associate Director, School of Complex Adaptive Systems ( > https://scas.asu.edu) > Professor, School of Human Evolution & Social Change ( > https://shesc.asu.edu) > Director, Center for Social Dynamics & Complexity ( > https://complexity.asu.edu) > Arizona State University > Tempe, AZ 85287-2701 > USA > > Executive Director, Open Modeling Foundation ( > https://openmodelingfoundation.github.io > <https://urldefense.com/v3/__https://openmodelingfoundation.github.io/__;!!IKRxdwAv5BmarQ!fudlB0xFlO51zk0b4JnSIyVxMZfbrnjh5DDgX_3YvhtKbUyVC6kMDWh-tA0uov3VLJvJy1abd878bkRl5fuerQQvh1Q$> > ) > Director, Network for Computational Modeling in Social & Ecological > Sciences (https://comses.net > <https://urldefense.com/v3/__https://comses.net__;!!IKRxdwAv5BmarQ!fudlB0xFlO51zk0b4JnSIyVxMZfbrnjh5DDgX_3YvhtKbUyVC6kMDWh-tA0uov3VLJvJy1abd878bkRl5fueXhgcoaQ$> > ) > > personal website: http://www.public.asu.edu/~cmbarton > > > _______________________________________________ > grass-dev mailing list > grass-...@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/grass-dev > <https://urldefense.com/v3/__https://lists.osgeo.org/mailman/listinfo/grass-dev__;!!IKRxdwAv5BmarQ!fudlB0xFlO51zk0b4JnSIyVxMZfbrnjh5DDgX_3YvhtKbUyVC6kMDWh-tA0uov3VLJvJy1abd878bkRl5fuepg1HNbo$> > > > _______________________________________________ > grass-dev mailing list > grass-...@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/grass-dev > <https://urldefense.com/v3/__https://lists.osgeo.org/mailman/listinfo/grass-dev__;!!IKRxdwAv5BmarQ!bVxBv8fT07vVYMHReffcj46QeSJAOyIOA16eJ_3q6fBQ7vAnFxJLli7AZ-NGLJXL2OxJ3h3sxzkspsmF4eq_UYcz28NVTcw$> > > <nlcd_categories.txt> > <NLCD_landcover_legend_2018_12_17_KSy2gokzzDzRAkOmGE0z.csv> > <nlcd_colors.txt> > > > _______________________________________________ > grass-user mailing list > grass-user@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/grass-user >
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