[Qgis-user] Merging multiple features in a shapefile

[Randal Hale]

I've got an idea - but I don't  have anything quite like that - can you 
also forward the file?

Thanks - Randy




On 07/15/2014 09:06 PM, James Wood wrote:
> Paul,
> If you haven't already had a reply, I would be willing to try on my 
> computer if you can zip your shapefile up and get it to me (e-mail, 
> Dropbox, etc...).
>
> You might also add a field and populate it with a single value (e.g., 
> "1") for all records and then try a Dissolve based on that field.
>
> What version of QGIS are you running, from what source (standalone 
> installer or OSGeo4W), on what OS and x86 or x64?
>
> James
> Sent from my iPhone
>
> On Jul 15, 2014, at 14:25, Paul Sorensen <PaulS at andrewstewart.co.nz 
> <mailto:PaulS at andrewstewart.co.nz>> wrote:
>
>> Hi,
>>
>> I have a shapefile with over 500,000 polygons that I want to merge 
>> together so there is only one feature. There is no information in the 
>> polygons just an ID number. Using the 'Merge Selected Features' 
>> function seems to be limited to about 10,000 features at a time, 
>> anymore and QGIS doesn't seem to be able to process it, or is it my 
>> computer? Is there another way to merge so many features together?
>>
>> Cheers,
>>
>> Paul Sorensen
>>
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-- 
-----------------
Randal Hale
North River Geographic Systems, Inc
http://www.northrivergeographic.com
423.653.3611 rjhale at northrivergeographic.com
twitter:rjhale     http://about.me/rjhale
http://www.northrivergeographic.com/spatial-connect

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