[Qgis-user] HowTo Merge polygones that intersect each other in a shape-file

[Micha Silver]

On 11/25/2010 11:11 PM, Johan Nilsson wrote:
> When I do that, Union-popup windows ask for an input-layer and an
> union-layer, and if I take the only layer as input and union layer I
> get more than twice amout of object and the intersecting and
> overlapping layer does not merge.
>    
Sorry, maybe I didn't understand. I thought you want to merge 
overlapping *features* in the same polygon shapefile.
If you need to merge two separate shapefiles, then try "Vector->Data 
management->Merge shapefiles".


> 2010/11/25 Micha Silver<micha at arava.co.il>:
>    
>> On 11/25/2010 08:12 PM, Johan Nilsson wrote:
>>      
>>> How to merge all polygones who intersect with other in the same
>>> shape-polygon layer? The new polygones gonna be fewer polygons in the
>>> new shapefile. Nevermind the attribute-data and naming of the new
>>> polygones, but every new polygon should be an own polygon-object..
>>>
>>>
>>>        
>> Try:
>> Vector->GeoProcessing Tools->Union
>>
>>      
>>> /Cheers.
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>>
>> --
>> Micha Silver
>> Arava Development Co. +972-52-3665918
>> http://surfaces.co.il
>>
>>
>>
>>      
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>
>
>    


-- 
Micha Silver
Arava Development Co. +972-52-3665918
http://surfaces.co.il