I ask because I have created a 55 billion pixel vrt of elevation data. I linked it to a GRASS mapset . It did take an hour to link , but the zooming and panning is reasonably responsive afterwards.
Doug ________________________________ From: Markus Neteler <nete...@osgeo.org> Sent: Wednesday, December 23, 2020 4:51 PM To: Newcomb, Doug <doug_newc...@fws.gov> Cc: grass-dev@lists.osgeo.org <grass-dev@lists.osgeo.org> Subject: [EXTERNAL] Re: [GRASS-dev] r.external cache or add overviews? This email has been received from outside of DOI - Use caution before clicking on links, opening attachments, or responding. On Wed, Dec 16, 2020 at 2:26 PM Newcomb, Doug via grass-dev <grass-dev@lists.osgeo.org> wrote: > > Hi Folks, > Does r.external generate overviews during the linking process? I don't think so. There is no sign of it in https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FOSGeo%2Fgrass%2Fblob%2Fmaster%2Flib%2Fraster%2Fgdal.c&data=04%7C01%7Cdoug_newcomb%40fws.gov%7C4f0883ee7d50465461ea08d8a78cf995%7C0693b5ba4b184d7b9341f32f400a5494%7C0%7C0%7C637443571215425088%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=Qqzy%2BTGm%2FTciBVpdomqzSW6vcggZMD9vfmvQSV4FDiE%3D&reserved=0 or https://gcc02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FOSGeo%2Fgrass%2Fblob%2Fmaster%2Fraster%2Fr.external%2Flink.c&data=04%7C01%7Cdoug_newcomb%40fws.gov%7C4f0883ee7d50465461ea08d8a78cf995%7C0693b5ba4b184d7b9341f32f400a5494%7C0%7C0%7C637443571215425088%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=vQs7F7GNkdpppxsX5iakyWEA64%2FivjqvZx1pbabnFkY%3D&reserved=0 Markus
_______________________________________________ grass-dev mailing list grass-dev@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/grass-dev
