[Qgis-user] Batch Processing Tool for Wedge Buffers

krishna Ayyala ayyalakrishna at gmail.com
Sun Feb 11 08:02:32 PST 2024


Ujaval,
Thanks for the reply. When I add  generate_series expression and click ok,
only one more row is getting added to the batch process tool. i.e.90 degree
azimuth got added. 180 and 270 were not added. Is there a way that, the
batch tool can read directly from the attribute table and generate the
wedge buffers? The reason is; the example that I gave has only four
features.But my original file has 100 features. It will be difficult to
enter all 100 values manually. If the tool can pull these values from the
attribute table and generate wedge buffers that will be free of errors.

[image: image.png]

[image: image.png]

[image: image.png]


On Sun, Feb 11, 2024 at 5:19 AM Ujaval Gandhi <ujaval at spatialthoughts.com>
wrote:

> click 'Autofill' -> Add Values by Expression and use
> expression generate_series(90, 270, 90)
>
> You will get 4 layers, one for each azimuth value. Use 'Merge Vector
> Layers' tool to merge them into a single layer.
> ---
> Ujaval Gandhi
> Spatial Thoughts
> www.spatialthoughts.com
> <https://mailtrack.io/l/77d5e1da1fba6c4bf848006cc35d6e8dae2404ac?w=YXl5YWxha3Jpc2huYUBnbWFpbC5jb20&url=http%3A%2F%2Fwww.spatialthoughts.com&u=8747767&signature=c89be1a565c6ee78>
>
>
>
> On Sun, Feb 11, 2024 at 3:25 AM krishna Ayyala via QGIS-User <
> qgis-user at lists.osgeo.org> wrote:
>
>> Hello,
>> I have opened Batch Processing tool for wedge buffers. In this, how do I
>> use the Auto fill function such that, I get the four rows with azimuths
>> 0,90,180,270 without me having to manually input the azimuth values for the
>> attribute table as shown below.
>> [image: image.png]
>>
>> [image: image.png]
>>
>>
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