[gdal-dev] Polygon operations

Metabase Account metabaseacc at gmail.com
Sat Jun 19 13:27:11 PDT 2021

I might be thinking of this incorrectly, but if they're done in 2D without
any spatial consideration, inserting additional vertices in between
shouldn't have an effect on behavior right? However it does seem to have an
effect when using operations such as warp with the polygon as the cutline.

On Sat, Jun 19, 2021 at 3:34 PM Andrew Bell <andrew.bell.ia at gmail.com>

> These are done in 2D, without regard to the spatial reference.
> On Sat, Jun 19, 2021, 11:31 AM Met Bas <Metabaseacc at gmail.com> wrote:
>> 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 vertices determined? Is it
>> the great circle route using the ellipsoid of the spatial reference? Can
>> it
>> be changed? And is it determined on the fly during each operation?
>> Thank you,
>> M.B
>> --
>> Sent from: http://osgeo-org.1560.x6.nabble.com/GDAL-Dev-f3742093.html
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