Re: Call for review on RFC 4 text: Remote access to grids and GeoTIFF grids

Even I'll help improve the docs, as you progress through this RFC.  -jeff



On 2019-11-26 12:48 PM, Jeff McKenna wrote:
> Forgot to comment below:
> 
> On 2019-11-26 12:15 PM, Even Rouault wrote:
>> Jeff,
>>
>>> I would like this RFC to include effort to improve the documentation on
>>> which grids should be installed (it is very confusing how
>>> 'proj-datumgrid-latest' differs from world, europe, oceania,
>>> northamerica, I always assume, like many others I bet, that -latest
>>> includes europe+oceania+northamerica+world).
>>
>> Can you point exactly in the documentation where would you want some
>> clarification ?
>>
>>> Which brings me to the most important point that I believe is missing in
>>> the RFC, of notifying the user when a grid file is not leveraged.
>>> Currently there is no warning, no notice, when a grid is not installed.
>>> I side with Andrew Bell on his point that during installation I'd like
>>> to see more messages, notices, or something to install all grid files.
>>> Could there be a build option of "TEST_ALL_DATUMGRID_FILES" during PROJ
>>> compilation?
>>
>> Installation is a complicated topic. The PROJ project has no control 
>> over how
>> PROJ is packaged and installed, and doing the "check at installation" 
>> means a
>> different technical reality for Debian, Fedora, MS4W, OSGeo4W, conda, 
>> etc.
>> That said I took note of Chris Crook's idea about a script to help, as 
>> a post-
>> installation means (could potentially be run automatically by whatever
>> installation process is done)
>> https://github.com/OSGeo/PROJ/issues/1750
>>
> 
> Chris' idea looks exactly what I was trying to say ha.  Thanks for 
> pointing to that for me.
> 
> -jeff
> 
> 
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-- 
Jeff McKenna
MapServer Consulting and Training Services
https://gatewaygeomatics.com/
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