[Qgis-user] Polygon from 4 points

Ryan Peel ryanpeel at gmail.com
Thu Nov 26 07:16:10 PST 2020


Thank you!  Worked PERFECT!

On Thu, Nov 26, 2020 at 10:02 AM Totò Fiandaca <pigrecoinfinito at gmail.com>
wrote:

> From Processing:
>
> search for Geometry by Expression:
> 1. as input layer put your file with the coordinates
> 2. and write this expression:
>
>   make_polygon (
>   make_line (
>   make_point ("x1", "y1"),
>   make_point ("x2", "y2"),
>   make_point ("x3", "y3"),
>   make_point ("x4", "y4")
>   ))
>
> and launch the geoprocess.
>
> I used QGIS 3.16 Hannover
>
> Il giorno gio 26 nov 2020 alle ore 15:48 Ryan Peel <ryanpeel at gmail.com>
> ha scritto:
>
>> I have a csv/table that has a single row that contains some metadata as
>> well as four SEPARATE columns, x1, y1, x2, y2, x3, y3, x4, y4 of decimal
>> degree coordinates.
>>
>> I want to import all of this data into QGIS and create a polygon from the
>> four points as a vector layer.
>>
>> What is the best way to do this?  I'm not a programmer or scripter really
>> and fairly new to QGIS.
>>
>> Thanks!
>>
>>
>> *Ryan Peel*
>>
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>
>
> --
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-- 
*Ryan Peel*



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