[Qgis-user] Convert PNG file to vector file

krishna Ayyala ayyalakrishna at gmail.com
Wed Oct 25 06:46:19 PDT 2023


Thanks for the reply Simon. The Polygonize tool did not work for me.

Regards.

On Wed, Oct 25, 2023 at 5:49 AM Simon Dietmann <dietmann at pgnu.de> wrote:

> Hi Krishna,
>
>
>
> have you tried the polygonize algorithm? Raster ► Conversion ► Polygonize
> (Raster to Vector)
>
>
> https://docs.qgis.org/3.28/en/docs/training_manual/complete_analysis/raster_to_vector.html
>
> Some post processing may be necessary.
>
>
>
> cheers, Simon
>
>
>
>
>
>
>
> i.A. Simon Dietmann
> Projektleiter | Geograph
>
> PGNU Planungsgesellschaft Natur & Umwelt mbH
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> *Von:* QGIS-User <qgis-user-bounces at lists.osgeo.org> * Im Auftrag von *krishna
> Ayyala via QGIS-User
> *Gesendet:* Mittwoch, 25. Oktober 2023 13:37
> *An:* qgis-user <qgis-user at lists.osgeo.org>
> *Betreff:* [Qgis-user] Convert PNG file to vector file
>
>
>
> I am reposting this question.Can anyone please help?
>
>
>
> Hello,
>
> I have a png file. This has polygons with 36 categories as shown in the
> legend. Is it possible to convert this file to a vector file such as .shp
> or gpkg file? When I open the attribute table, it should be able to
> distinguish between each of these 36 categories. Below is the weblink to
> png. Can anyone help me with this please?
>
>
>
> Regards.
>
>
>
> ListofProjects.png (2200×1700) (oklahoma.gov)
> <https://atpscan.global.hornetsecurity.com/index.php?atp_str=GYN90zoJeaFh811GmAOBZkS2BWvrDu0iRZzKqr1WbSyKhUsdQsbism_XYyxg1BeOfShdSVDEYIyNr6iG4hpBVspG11qDIXgFv8txd2pBoxU0XEfyHeakt4e4JDoEI00Er4kX-t8frtjvSMVO2YN4hp7vRZL2dKQtPvLWTI74ZLBSuiFowFrmHeY_GIxZ68nLweyq6IG-j8gRDFOe3W78OajBXElg3uJ_dLmHgdA4nYePmvDV7ZRN4RmGmTCu_3y5AZqP0jHFy3lvEuY4Zk1JWm07A5OpjX2gHAYKuk3hDwg-6qqK0a13iAOptDHSeySbFK309b6f3NHp04GB7p9ZQ72eBe_FesF6i3IEEl1094nK39rZDNcpY3Qk4PYiXxpoxegkYXwNdLah3C7QdDlfix9lqzv3pQY6z-5qURImx6bPbqojOjoj6J0knGN7Qa0eJY3gIzo6I-RhmBmvSVheFRSS9DDlX7Q>
>
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