[Qgis-user] authomatic georeferencing or positioning of a feature

[Mary Neale]

Hi there

If I were to Take a photo on a mobile phone with geolocation turned on, 
could I then upload the data into Qgis to accurately plot it?

Many thanks Mary

On 11/04/2021 19:36, Bernd Vogelgesang wrote:
>
> 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
>>
>>
>> _______________________________________________
>> Qgis-user mailing list
>> Qgis-user at lists.osgeo.org
>> List info:https://lists.osgeo.org/mailman/listinfo/qgis-user
>> Unsubscribe:https://lists.osgeo.org/mailman/listinfo/qgis-user
>
> _______________________________________________
> Qgis-user mailing list
> Qgis-user at lists.osgeo.org
> List info: https://lists.osgeo.org/mailman/listinfo/qgis-user
> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-user


-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.osgeo.org/pipermail/qgis-user/attachments/20210412/5b220d75/attachment.html>