Re: [gdal-dev] Polygon operations

2021-06-20 Thread Met Bas
Even Rouault-2 wrote > The polygon of a cutline is reprojected into the coordinate system of > the source image, so densification of its contour might have an effect > indeed. > > Le 19/06/2021 à 22:27, Metabase Account a écrit : >> I might be thinking of this incorrectly, but if they're done in

[gdal-dev] Polygon operations

2021-06-19 Thread Met Bas
>From my understanding, a square polygon feature would only consists of the 5 vertices of the corners (with the last vertex being the same as the first to "close" the polygon). If I do an operation depending on a polygon, for example intersections or clipping a raster, how is the path between the

Re: [gdal-dev] "OGR_SQLITE_SYNCHRONOUS" and "OGR_SQLITE_CACHE" accessible through Python bindings?

2021-05-25 Thread Met Bas
Thank you Jukka and Even. Was able to resolve my issue with the help of your responses. -- Sent from: http://osgeo-org.1560.x6.nabble.com/GDAL-Dev-f3742093.html ___ gdal-dev mailing list gdal-dev@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo

[gdal-dev] Raster Attribute Tables

2021-05-25 Thread Met Bas
ake Raster Attribute Tables, the GeoTIFF must be single band. Is this a limitation of ArcMap or a limitation of GeoTIFFs? Is there any reason why it may be a bad idea to generate a Raster Attribute Table for a multi-band GeoTIFF using GDAL? Thanks, Met Bas -- Sent from: http://osgeo-o

[gdal-dev] "OGR_SQLITE_SYNCHRONOUS" and "OGR_SQLITE_CACHE" accessible through Python bindings?

2021-05-22 Thread Met Bas
Write speeds to GeoPackages appear to be going extremely slow in my use case. GPKG/SQLite journal files are being created at the sizes of 10-25 kb incrementally increasing the main geopackage file. This is saving on a drive where such small incremental cause larger slowdowns, so I would like to inc