Good points, RJ.

AFAIK it's quite tricky to "guess" how to extract meaningful data from 
GML.  Also, we wanted to make sure that we provided a fully general 
facility to let users extract whatever data they needed from their GML 
document (although as I said, this function didn't get a whole lotta 
lovin').

I'll have to have a look at OGR and see what their "secret sauce" is!

Rahkonen Jukka wrote:
> Hi Martin,
>
> This is not so serious for me any longer. I tend to get tired fast and try to 
> find other usable ready made solutions. I have found that usually I will do 
> fine with ogr2ogr program which is rather good in guessing GML.  My main 
> point was that this input/output template system is not extremely easy to 
> learn and beginners willing just to read in some odd GML would probably be 
> ready sooner if they find some way for converting the data first to 
> shapefiles.  But if there is a atable production environment and data in the 
> same fixed GML format will be used frequently then it pays better to make 
> those templates.  This said, it might be good to have in addition to the 
> documentation a small real GML dataset and templates which work with that 
> downloadable somewhere so template writers could use those as example.
>
> -Jukka-
>
> Martin Davis wrote:
>  
>   
>> RJ,  sorry you're having such a frustrating time.  I'm sure there's much 
>> better ways the GML I/O support could have been designed - it was done 
>> in a hurry, to meet a pretty specific use case.  There may also be bugs 
>> in the codebase, which is possibly what you're running into.
>>     
>
>   
>> However, until someone has the time & ideas to write something better, 
>> that's what we're stuck with.  :-(
>>     
>
>   
>> Why don't you post a sample GML file and your template, and maybe 
>> someone (maybe even me!) will be able to figure out how to get it to work?
>>     
>
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>   

-- 
Martin Davis
Senior Technical Architect
Refractions Research, Inc.
(250) 383-3022


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