Good job Mike, I think you’ve found some good historical nonsense underbrush to
clear out of the forest. The future will thank you.
P
> On May 10, 2023, at 5:09 PM, Mike Taves wrote:
>
> Hi All,
>
> Since not everyone is subscribed to GitHub changes, this email is to
> provide a "heads up" to proposed breaking changes to WKT output for
> GEOS 3.12.
>
> The first is to change MultiPoint WKT to use parentheses in
> sub-members https://github.com/libgeos/geos/pull/903
>
> E.g. from "MULTIPOINT (2 8, 3 9)" to "MULTIPOINT ((2 8), (3 9))"
>
> While the former is deprecated, it will continue to be supported by WKTReader.
>
>
> A second suite of changes I've been scheming is to modify the defaults
> for WKTWriter:
> - Change trim from 0 for 'off' to 1 for 'on'
> - Change OutputDimension from 2 to 4
>
> This would allow the default WKTWriter to produce familiar output,
> whereas the current default only produces 2D WKT usually with many
> decimals.
>
> For example, take an XYZ point with x=1.1, y=2.2, z=3.3, these are the
> default WKTWriter results:
> - Current: POINT (1.1001 2.2002)
> - Proposed: POINT Z (1.1 2.2 3.3)
>
> Additionally WKBWriter's OutputDimension could be changed from 2 to 4
> too. E.g. via writeHEX:
> - Current: 0101009A99F13F9A990140
> - Proposed: 0101809A99F13F9A9901400A40
>
> Note that OutputDimension for WKT and WKB writers will always write 2D
> for XY geometries, regardless of setting.
>
> These changes don't have any pull request yet, as they are subject to
> discussion first.
>
> Opinions welcome!
>
> Cheers,
> Mike
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