Common Polygon Question

11-30-2016 07:29 AM
Frequent Contributor

Is there a way around for me to do find common polygons ? What am I trying to do is to find the common polygons that have both the same label and are next to each other they needed to be merge into one polygon.

Right now the only way around for me is to run a dissolve and use by the field to dissolve them. Then I ran and use the tool Split them by using the split field name. I then bring them to Arcmap to go through to ensure each polygon from field name (MUID) , so they don't touch each other...

Some of the layer may have a lot of them in cluster and some of them are far apart. When they are far apart, I remove them.

Is there a script for that ? or Is there a better method to do around than that I am doing ?

So here is the scope of what I am doing here:

1. dissolve the layer using the field name ie MUID

2. Use split tool the dissolve layer using the MUID

3. Bring them to ArcMap to review each split layer to look for common polygons.

4. If there is no common polygon found then remove it from the Table of Content.

5) If the common polygon is found, keep it in the table of contents.

6) Return to the Original data I worked on and compare with the common polygon found.

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3 Replies
MVP Esteemed Contributor

How about Dissolve followed by Multipart to Singlepart?

Think Location
Occasional Contributor III

Yes.I tried this before and it worked.

Frequent Contributor

The only way I can do is run a tool named Polygon Neighbors, Polygon Neighbors—Help | ArcGIS for Desktop , seems to worked but it can get you a lot of work if you have a lot of polygons. Fortunely for me I ran it and discovered 18 out of 15,796 polygons that found the same common polygons.