[Qgis-user] Editing attribute tanle

[Bernd Vogelgesang]

Hi Paddy,

you have to understand the concept, that attributes of a feature have
noting to do with its geometry.

The attributes table can hold any kind of information, in case of point
layer of course its coordinates as well, but those values will not
change when you change the geometry nor vice versa They are simply some
numbers filled into that table.

So you could e.g. drag the wrong positioned points to their correct
locations (node tool) and then fill in the coordinates via the field
calculator ($y and $x, see the documentation), but this is more or less
only "cosmetic" as this information is in most cases not really helpfull.

In case of towns, there is actually no such thing as a "correct"
coordinate of a representing point, or it is at least pseudo-correct.

Cheers,

Bernd


On 11.04.21 19:28, Pat Brown wrote:
> Hi
>      I am having a problem with changing co-ordinate in my attribute table.
> I am using QGIS 3.18 on WIN 97,so far without any issues.
>     It is a point layer with towns and their co-ordinates. Three of these
> data points had empty co-ordinate records and they displayed way out of
> position. This was already a mystery as I couldn't figure out how it could
> display without these. I then filled in the correct co-ordinates but the
> points are still displaying incorrectly.
>     Then I noticed that on the "identify feature" panel there is a subunit
> called (Derived) and it says (clicked coordinate X and Y). How do I edit
> this or get rid of this?
>
> Many thanks,
>
> Paddy
>
>
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