[gdal-dev] "Times" projection in GDAL

[Even Rouault]

Dmitriy,

where did you find reference to the "times" projection in OGR ? I can't find it.

Even

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Selon Dmitriy Baryshnikov <bishop.dev at gmail.com>:

> Hi Jed,
>
> I look at GDAL sources. The Times projection is supported in GDAL/OGR.
> For example, you can user ESRI prj file as input parameter (s_srs,
> t_srs). for gdalwarp/gdal_translate.
>
> Best regards,
>      Dmitry
>
> 25.03.2014 3:01, Jed O. Kaplan пОшет:
> > Dear Dmitriy,
> >
> > Yes that is the correct projection code, but the problem is - and hence my
> original question - that the “Times” projection referred to on the link
> you sent me is not defined in proj4. I’m wondering if anyone has programmed
> it, or if someone would be so kind as to assist me in making my own code for
> a new map projection for proj4.
> >
> > Many thanks again,
> >
> > Jed Kaplan
> >
> > On 24 Mar 2014, at 20:38, Dmitriy Baryshnikov <bishop.dev at gmail.com> wrote:
> >
> >> Hi Jed,
> >>
> >> I'm look for this projection on spatialreference.org. I found this one:
> http://spatialreference.org/ref/sr-org/7670/
> >> Does this one the same or close to the ESRI one?
> >>
> >> Best regards,
> >>     Dmitry
> >>
> >> 24.03.2014 22:42, Jed O. Kaplan пОшет:
> >>> Dear GDAL gurus,
> >>>
> >>> I have some scanned maps in the “Times" projection that I would like to
> orthorectify using gdalwarp and other GDAL tools. It appears that this
> projection is not supported in the version of proj4/GDAL that I have, though
> it seems to be included in most ESRI software
>
(http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//003r00000045000000).
> >>>
> >>> Would anyone happen to know of free software I could use to rectify
> scanned maps in the Times projection? Alternatively, I could try programming
> the projection into proj4 myself, though I’ve never done this before.
> Snyder provides the formulas for the forward projection in his book
> “Flattening the Earth ”  (pg. 213). If I would program a new projection
> in proj4, are there particular issues I need to be aware of?
> >>>
> >>> Many thanks in advance for your help!
> >>>
> >>> Jed Kaplan
> >>>
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> >>>
> >>>
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