Thanks Paul I don't know if I was clear. Every segment that crosses the equator should become two segments, with the common point at lat=0. (I do not need the points themselves, I just want to add points to the lines and polygons, making "explicit" where they cross the equator).
On Sun, 26 Jan 2025 at 13:37, Paul Harwood <rune...@gmail.com> wrote: > I would have thought : create a linesegment that is the equator and > perform an intersection between that linesegment and the target geometry to > identify the point in question and then create a new geometry with the new > point, or something like that. > > I am not sure what it would mean to add a point to polygon crosses the > equator - I would guess that would mean adding a vertex at the equator, in > which case I think the intersection would return a line (I have never done > it) and the vertices in question would be the points of the returned > linesegment. > > On Sun, 26 Jan 2025 at 10:26, Javier Jimenez Shaw via gdal-dev < > gdal-dev@lists.osgeo.org> wrote: > >> Hi >> >> I have a vector layer (like >> /usr/share/qgis/resources/data/world_map.gpkg) and I need to add a point at >> latitude 0 for every segment (in line or polygon) that crosses the equator. >> >> How can I do it? >> >> Thanks, >> Javier. >> _______________________________________________ >> gdal-dev mailing list >> gdal-dev@lists.osgeo.org >> https://lists.osgeo.org/mailman/listinfo/gdal-dev >> >
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