[PROJ] Anyway to set a CRS object's name via c api?

[Nyall Dawson]

On Fri, 9 Oct 2020 at 21:04, Even Rouault <even.rouault at spatialys.com> wrote:
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> Hi Nyall,
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> > Using the C api "proj_get_name" method I'm able to retrieve the
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> > descriptive name of a CRS object.
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> >
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> > This works well for CRS obtained from the Proj database, or for CRS
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> > defined from WKT with a name embedded: ...PROJCRS["my CRS name",
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> > BASEGEOGCRS[...
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> >
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> > But if I have a CRS object created using a different method (say, from
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> > a proj string), is there any way I can manually set a name for this
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> > CRS so that subsequent calls to proj_as_wkt will include the manually
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> > set CRS name?
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> >
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> > While it would be possible to get the WKT returned from proj_as_wkt
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> > and then try to insert the custom name, this would be a lot of fragile
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> > string manipulation which I'd rather avoid!
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> /** \brief Return a copy of the object with its name changed
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> *
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> * Currently, only implemented on CRS objects.
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> *
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> * The returned object must be unreferenced with proj_destroy() after
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> * use.
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> * It should be used by at most one thread at a time.
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> *
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> * @param ctx PROJ context, or NULL for default context
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> * @param obj Object of type CRS. Must not be NULL
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> * @param name New name. Must not be NULL
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> *
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> * @return Object that must be unreferenced with
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> * proj_destroy(), or NULL in case of error.
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> */
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> PJ PROJ_DLL *proj_alter_name(PJ_CONTEXT *ctx, const PJ *obj, const char *name);
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> Available in proj_experimental.h since 6.0

Perfect, thanks!

Nyall

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> Even
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