[Proj] finding proj descriptions

Kristian Evers kreve at sdfe.dk
Mon Oct 22 02:01:19 EST 2018


You should take a look at Evens WKT work then. Even describes the details in RFC2[0]. 
There's still some ways to go but the new projinfo application offers some of the
functionality you are looking for. I believe there's API functions that expose the same
features as well. You can grab the source code from the iso19111_dev branch.
I am sure Even would appreciate some third-party testing of his work.


[0] https://github.com/OSGeo/proj.4/pull/1149

-----Oprindelig meddelelse-----
Fra: proj-bounces at lists.maptools.org <proj-bounces at lists.maptools.org> På vegne af Roger Oberholtzer
Sendt: 22. oktober 2018 08:09
Til: luis.de.sousa at protonmail.ch; PROJ.4 and general Projections Discussions <proj at lists.maptools.org>
Emne: Re: [Proj] finding proj descriptions

On Sat, Oct 20, 2018 at 4:43 PM Luí­s Moreira de Sousa
<luis.de.sousa at protonmail.ch> wrote:
> Dear Roger,
> presently, the best resource to identify PROJ strings is the documentation itself. This is where I go to in case of doubt:
> https://proj4.org/operations/projections/index.html

Ultimately, what I am trying to do is find a way to obtain either
geotiff or WKT that describe the proj conversion. I am trying to
implement something that generates LAS file (a point cloud data file).
These files prefer geotiff, but do support WTK to describe the
projection of the data points in the file.

Roger Oberholtzer
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