Linked Questions

I am using QGIS 2.18.9 and I have a problem. I dissolved a small map with about 1000 small regions into one big polygon, with Vector->geoprocessing tools->dissolve. But after the dissolving ...

I’ve got a shapefile of Switzerland. Shown Polygons are 6-digit ZipCodes. Whenever I dissolve the file for example by 4-digit ZipCodes, it results in incorrect polygons. Unfortunately some polygons ...

I'm currently working with old french cadastre on QGIS, I've vectorised it and now I want to tile it. I've georeferenced it, but it's not sufficient for a great result. To improve the result, I would ...

In the image of a single layer (below), how would I delete the lines in the left-hand polygon? Perhaps an eraser tool would be a good addition to QGIS.

I am not sure if this is a shapely bug or a problem with my polygons. I have a bunch of polygons that look like this: They are level-12 watersheds provided by HydroBasins, and are presumably non-...

I am missing auto-complete in QGIS. From other answers I understand that you need to snap around the hole and you can't just let QGIS fill the hole, is that correct? It's bothersome when it's a lot of ...

I am working on vegetation community classification for a project and using QGIS3. This is completed by collecting field-plot data and then using aerial imagery to delineate the approximate boundaries ...

My script uses a buffer and dissolves to create polygons around my points. However, there are holes in between the points. I do not want to increase the distance because then it will also cover the ...

I have a data source with thousands of lakes, ponds and small puddles. Using an algorithm of anitagraser.com I have managed to clean the ponds and small puddles, but with the big lakes I have a ...

I have a polygon layer (Geopackage with 378 features in EPSG:3857) with many very small gaps between them (topology checker lists more than 5000). The gaps are in a range of several hundred meters to ...

Here's the kind of tool I want: Preference A: Union the two polygon shapefiles that where the wetland file takes precedence over the forest file when the distance between the edges is less than 20m. ...

I am using QGIS and have a shapefile of the blocks in a large city, where each polygon is a particular streetblock. The city is divided into various sectors, and each block has information on its ...

Could someone shed some light into a method to link breaking outline borders without much distortion from the original like e.g. convex hull does? Convex hull alternative ideas are of course welcome ...

I have a vector shape file with the basins of South Carolina. Some of the sub-basins polygons have a "hole" or no data pixel in their boundary (See photos for reference 2) and I need them to ...

I have created a vectorization from a raster of a sea model of Denmark as suggested here https://gis.stackexchange.com/a/478370/240539 using QGIS. I get this vectorization: I wish to fill the holes in ...