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I want to union two shapes which is not touching each other using Arcobjects.

I do not want to perform small buffer on two shapes and union them . This is because when we apply buffer round buffer 0.002 it creates lot of additional vertices.

This is very much custom requirement. Please help me how to proceed on this.

Thanks in advance

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I don't understand how you can union two shapes which do not intersect/touch. Is that not a requirement of a union? See webhelp.esri.com/arcgisdesktop/9.2/… –  sgrieve Nov 6 '12 at 10:10
    
sgrieve: I agree. This is the business requirement. Say we have two adjacent parcels (complex polygon with more vertices and exclusions) belong to same person - we want to union and make it as one single shape. These two adjacent polygons are created using map objects hence they do not touch because of accuracy issues. Now we have union them as one single shape. This is not basic union operation rather custom one. But how to achieve it? –  iamlaksh1 Nov 6 '12 at 10:24
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Sounds like you want to 'merge', but this will generally create a multi-part feature. I think you should specify what exactly you intend to do with the geometry between the 2 polys...single shape and single feature do not mean the same thing. –  T. Wayne Whitley Nov 6 '12 at 10:52
    
Is there a common attribute in these two parcel features? Have you tried running Merge on them, like T.Wayne has suggested above? –  Devdatta Tengshe Nov 6 '12 at 10:56
    
Thanks to both.We have two shapes which is adjacent to each other which is not touching . We want to merge as one single feature(not shape).We need to do spatial operation only not attribute feature. Result should be singe part feature. –  iamlaksh1 Nov 6 '12 at 13:15
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1 Answer

Thanks everyone. Aggreggate Polygon tool is one which am looking for. This tool aggregate the polygon based on the distance.

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