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Merge gaps between polygons using attribute value


ronan
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We face a problem correcting the geometry between multiple polygons in a layer.

There are some gaps between polygons and we need to automatically fill them. We identified 2 ways to fill the gaps between 2 polygons, explained in the following chart.

We tried the first solution using dossolver and Donut Hole extractor, but there are some line left after the process (maybe due to the different positions of the shape vertex on the grid). So we don’t know if our process is the best to succed ? if yes , how to fix this problem ?

Best answer by ronan

Yes but this transformer cut overlapped polygons, we need to keep the overlapping

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5 replies

ebygomm
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  • June 25, 2020

Have you tried the AreaGapAndOverlapCleaner?


ronan
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  • June 25, 2020

Yes but this transformer cut overlapped polygons, we need to keep the overlapping


ebygomm
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  • June 25, 2020
ronan wrote:

Yes but this transformer cut overlapped polygons, we need to keep the overlapping

I'd still be tempted to use it and then add the overlapping areas back in afterwards, something like this


ronan
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  • June 25, 2020

Thanks, we are testing , we are giving you a feedback quickly


ronan
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  • June 25, 2020

Thantks a lot, the process you describe is working. We are even testing a process with the same philosophy but more simple :


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