[Qgis-user] Help converting State

[Bighouse Productions]

Thanks Andrea! GEOMETRY: AS_XY  - that did the trick for me. That was a
long 24 hours trying to figure it out :-)

You rock! Thanks a lot.
D.

*Doug Hadfield, *
*bighouseproductions.ca <http://bighouseproductions.ca/>*
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On Tue, Jan 25, 2022 at 4:16 AM Andrea Giudiceandrea <andreaerdna at libero.it>
wrote:

> Bighouse Productions
> <https://www.mail-archive.com/search?l=qgis-user@lists.osgeo.org&q=from:%22Bighouse+Productions%22>
>  Mon, 24 Jan 2022 18:37:41 -0800
> <https://www.mail-archive.com/search?l=qgis-user@lists.osgeo.org&q=date:20220124>
>
> Hi Chris et al. here's a video showing the steps I'm following -- can
> someone pinpoint what I'm doing wrong?
>
> https://vimeo.com/669657507/e84405ce12
>
> Hi Doug,
> If I understand correctly your "issue" looking at the video, there is
> probably a misunderstanding about how csv / vector layers / reprojection
> work.
>
> A GIS vector layer stores information about the features geometries (the
> coordinates of each point or vertex) and the features alphanumeric
> attributes (the fields and their values).
>
> A csv file stores alphanumeric attributes.
>
> When you import the csv file in QGIS , since some fields contain values
> representing the coordinates of a point,  it becomes a vector layer in
> which the features geometries are created, on importing, from the values
> (the coordinates) contained in such fields and the features attributes are
> the same attributes stored in the csv file.
>
> Reprojecting a vector layer from a CRS to another one only changes the
> features geometries and not the features attributes.
>
> Exporting a vector layer (with default options) to a csv file only saves
> its alphanumeric attributes.
>
> Does this make sense to you?
>
> Do you need to transform the coordinates values relative to a CRS stored
> in the EAST and NORTH fields of your csv file to the coordinates values
> relative to another CRS and update your EAST and NORTH fields or add new
> fields with the new values and save it as another csv file?
>
> There various ways to obtain the some result.
>
> For example:
> - you can select the GEOMETRY: AS_XY layer option in order to add X an Y
> fields to the exported CSV in which the coordinates values are stored
> relative to the CRS set in the CRT option.
> - or you can reproject the layer (Processing tool: "Reproject layer") and
> than use the Field Calculator to add new field or updated the EAST and
> NORTH fields with the new coordinates of the points and then save the layer
> to a CSV file with the default options.
> - or you can use the Processing tool "Add X/Y fields to layer" to add X
> and Y fields with the coordinates values relative to the desired CRS and
> then save the layer to a CSV file with the default options.
>
> Regards.
>
> Andrea Giudiceandrea
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