[GRASS-user] How to best access hundreds of orthophotos -- mapserver as WMS server?

[Rainer M Krug]

Jachym Cepicky wrote:
> Hi Rainer,
> Rainer M Krug píše v Pá 14. 12. 2007 v 09:22 +0200:
>> Hi
>>
>> I have hundreds, probably thousands, of orthophotos which I would like 
>> to access as easy as possible. They are in MrSid format, but I will 
>> convert them to geotiff.
>>
>> My problem is that it is sometimes quite difficult to find the one 
>> covering the region I am working in and it involves quite some trial and 
>> error to get the right one (which is time intensive and annoying...).
>>
>> I thought about setting up mapserver as a WMS server, but I didn't 
>> manage (might have to spend some m ore time on that). What I would like 
>> to know:
>>
>> 1) Is mapserver as WMS server the best solution or is there a more 
>> effective one?
> 
> IMHO yes - but I would advice WCS to you. WMS does render "map", where
> WCS returns raw data (coverage) to  you. 

thanks for pointing that out - I will consider it. But can I access the 
WCS server from GRASS and QGIS as well?

> 
>> 2) If mapserver (WMS server) is the way to go - can somebody give me an 
>> example .map file which is achieving that?
> 
> Some example attached - but please, take it as skeleton. I do not
> expect, single line would stay untouched after you start to modify it.

I'll do my best - but is always eaier to understand what's going on when 
having a template to start with.

> 
> have a look at
> http://mapserver.gis.umn.edu/docs/reference/mapfile
> http://mapserver.gis.umn.edu/docs/howto/wcs_server
> http://mapserver.gis.umn.edu/docs/howto/tileindex

Thanks - I'll look at them as well.

> 
>> 3) the whole layer is obviously in several single tiles - can mapserver 
>> handle this as a single layer or do I( have to do something special?
> 
> see the tileindex link above 
>> Sorry for the slightly oftopic questions - but 1) should be ontopic.
>>
>> Thanks
>>
>> Rainer
> 
> 
> good luck :)

That sounds as if I would need it ...

> 
> j
> 
> 
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