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| [09:35:19] | <ludwa6[m]> | So close, and yet so far! Would so like to have this working; wish there was some way i could help, but it is beyond my ken, alas.... Still, i do appreciate the work you put in, symbioquine to get this far with it. Thanks for sharing that well-organised & documented repo! 🙏 |
| [11:34:40] | <symbioquine[m]> | Yeah ludwa6 I think the changes actually would work as-is given a COG with the `EPSG:3857` [SRS](https://en.wikipedia.org/wiki/Spatial_reference_system), but it would probably disappoint most users if they can't bring an existing COG with other SRSs and have it "just work". |
| [11:37:03] | <ludwa6[m]> | symbioquine[m]: oh, well... It's been awhile since i messed with CRS stuff, but i think i can kick out a map from QGIS in any CRS that's needed for compatibility |
| [11:37:26] | <ludwa6[m]> | One Q: does a single GeoTIFF image actually encode a CRS? |
| [11:37:38] | <symbioquine[m]> | I believe so |
| [11:38:39] | <symbioquine[m]> | https://en.wikipedia.org/wiki/GeoTIFF |
| [11:40:18] | <symbioquine[m]> | Part of the problem with the change I was working on is that I didn't have an example COG in `EPSG:3857`. Like I said before; the change may be nearly ready to go (with a bit of cleanup) as-is for those. |
| [11:40:44] | <symbioquine[m]> | If somebody comes up with a sample like that, I can test the changes and we can potentially proceed with the limited functionality version... |
| [11:40:58] | <symbioquine[m]> | Then support for different SRSs could come later. |
| [11:41:29] | <ludwa6[m]> | So: if i can get GeoTIFF of my farm out of QGIS in EPSG:3857, you think you can work w/ that? |
| [11:42:19] | <symbioquine[m]> | It may be a bit more specific than that - in that it *does* need to be a "Cloud Optimized GeoTIFF" (COG) |
| [11:42:44] | <symbioquine[m]> | ludwa6[m]: but broadly, yes |
| [11:43:47] | <symbioquine[m]> | Alternatively, when I get back to this, I might try to manufacture my own example from one of the publicly available ones by changing the SRS and publishing it somewhere. |
| [11:44:30] | <ludwa6[m]> | symbioquine[m]: 👍️ ok: i'll need a stiff coffee to start fresh in the morning (getting late in the day for this kinda work) to get my head back into QGIS... But i will give it my best shot! |