[Qgis-user] Coordinate Transformation

[Greg Troxel]

tim dunlevie <tim.dunlevie5 at gmail.com> writes:

> On Mon, Jan 10, 2022 at 9:22 PM Grant Boxer <boxerg at iinet.net.au> wrote:
>
>> Is there a plugin for QGIS that takes two pairs of coordinates, one in
>> local (Cartesian) grid and one in real world utm coordinates, that will
>> calculate the real world coordinate transformation parameters? I have a
>> pile of local grid coordinates I need to convert.
>>
>> Cheers Grant
>>
>> Perth WA Australia


> Hi mate,
>
> There's a 'Geoscience' plugin which has a function that allows you to
> create a local grid from coordinates ?
> Local XY, Grid XY...
> Does that help?
>
> Tim
>

I used this and succeeded, but I found it difficult.    There did not
appear to be a way to store the coordinates in a file so I could fix
them if I got it wrong, and there did not appear to be a way to have two
layers, one local and one global, and have then join by name as input.
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