Geometry Boost List: Re: [geometry] ISEA projection inverse transformation

From: Majid Hojati (asd56yu_at_[hidden])
Date: 2019-12-08 20:39:13

Hi Adam,
Thanks for your email, actually I have asked them and they said it is just
forward transformation. How can I implement it? Do you know any kind of
documentations or papers for that?
With the best,
Majid Hojati

On Sun, Dec 8, 2019 at 3:36 PM Adam Wulkiewicz via Geometry <
geometry_at_[hidden]> wrote:

> Hi Majid,
>
> W dniu 07.12.2019 o 18:49, Majid Hojati via Geometry pisze:
> > I saw that there is a class which is used for ISEA projection, I was
> > wondering if it is possible to do inverse transformation (e.g. ISEA
> > sequence number to lat,long) using this class? I read the code but
> > there is not much comments to see how that works.
> No, this class only allows to perform forward transformation of
> coordinates. If you need something different you'd have to implement it
> by yourself. You could also check Proj*. AFAIK it's the same but you
> could also ask them directly**.
>
> * https://github.com/OSGeo/PROJ/blob/master/src/projections/isea.cpp
> ** https://gitter.im/OSGeo/proj.4
>
> Adam
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