[Qgis-user] Help with Buffer and Category-Specific Geometry Outputs in QGIS

[chris hermansen]

Carolina and list,

On Sun, Dec 29, 2024, 21:39 Carolina Lang via QGIS-User <
qgis-user at lists.osgeo.org> wrote:

> Hello everyone,
> I'm using QGIS 3.34 and working with the vector-geometry-buffer function
> on a shapefile containing multiple spatial points, categories (or location
> type) are represented as a group of these spatial points. For each
> category, my goal is to calculate the geometries (perimeter and area)
> created by the buffers.
> While the output result includes these geometries, it does not properly
> associate them with their respective categories. Instead, for each row in
> the output, I see the same category listed but with varying perimeters and
> areas, making it difficult to distinguish which geometries belong to which
> category.
> Example
> input file_(here I use column APA_radius as variable distances for buffer)
> output file_9as you can see geometries for both categories but no idea
> which geometries belong to which category)
> Has anyone encountered this issue before? Is there a specific step or
> method I might be missing to properly link the geometries to their
> respective categories?
>

What is your projection for your shape file?

If it's not projected ie in lat-lon your buffer radius won't be interpreted
as metres.

Chris

>
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