Geographic Information Systems

Questions tagged [multi-polygon]

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PostGIS: create new polygons in between existing?

PostgreSQL: I have a PostGIS multipolygon table containing millions of features. It covers 95% of the country, however there are gaps between individual polygons. How can I fill these gaps with new ...
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How can I create multipolygon using shapely?

I am going to create polygon, but it produce invalid polygon form this data: [[ 0 438] [ 0 428] [ 0 427] [ 6 428] [ 9 434] [ 11 439] [ 7 443] [ 3 446] [ 0 448] [ 0 452] [ 0 452] [ ...
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Using multipolygon shape layers in profile tool

I am working with QGIS for some time. The profile tool is indeed very useful to visualize the 3D problems. My problem now is associated with this tool. I have a multi polygon shape layer which I ...
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Convert a polygon geopackage into a multi-polygon geopackage in QGIS

I have a series of polygons in a geopackage file of QGIS polygons. Is it possible to transfer the contents of this file to another geopackage that has multipolygons as vector data type? I need to fix ...
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QGIS export to GPX: Error “Geometry type of 'multi polygon' not supported” (GPS tools) [duplicate]

I am trying to convert a shapefile with multiple polygons to a GPX file in QGIS 3.10.3, which has now repeatedly failed with varying export settings since "MultiPolygon" is not supported. I have ...