[Qgis-user] perturb point locations

[Luigi Pirelli]

would be this plugin [1] useful for you?

you can find it in public plugin repo

[1] https://github.com/SpatialVision/differential_privacy

Luigi Pirelli

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* Mastering QGIS:
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On 27 January 2016 at 15:51, Richard Males <rbmales at gmail.com> wrote:
> I would like to perturb all the point locations on a layer by a random
> amount within a range,  from say 100 feet to 500 feet.   Each point should
> be individually perturbed with different values for the x and y, but the
> overall perturbation range will be the same for the layer.   The purpose is
> to obfuscate actual locations in a data set.
>
> I have not been able to locate anything that will do this.  I can use the
> Update All capabilities on the attribute table to get values for an
> attribute, e.g. attribute_x = $x+randf(100.0,500.0) but I am not clear on
> how to push this back to the actual x coordinate of the point.
>
> Any suggestions, including python scripting, plugins, or other approaches,
> will be welcome.
>
> Thanks in advance.
>
> Dick Males
> Cincinnati, OH USA
>
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