[Qgis-user] digitizing

Firstname Lastname byron at conjugategeo.com
Thu Jun 16 19:22:15 PDT 2022


I think that there is something wrong with the Tif file I was using.  I had
the same problem with a couple of files but I went back to the source file
and redid the referencing and it is ok.

On Thu, Jun 16, 2022 at 7:46 PM Patrick Dunford via Qgis-user <
qgis-user at lists.osgeo.org> wrote:

> This is a generic answer, as more information would be needed to determine
> exactly the situation you are experiencing.
>
> If you zoom to the layer, is it then displayed in the same place as the
> rest of your map?
>
> My recollection of the georeferencer is it produces a world file to go
> with the layer. This should have the correct top-left coordinates and pixel
> resolution in it. Is there also an XML file that specifies the CRS?
>
> Look at the layer name where it is loaded in the GIS and see if there is a
> question mark displayed next to its name, that indicates QGIS doesn't have
> enough information to position the layer, such as the information that is
> stored in sidecar files.
>
> It is also possible if the file is very large that it will be slow to
> display. Also have a look at the error log at the bottom of the screen to
> see if any error messages are displayed.
> On 17/06/22 04:23, Firstname Lastname via Qgis-user wrote:
>
> i have been successfully using the georeferencer for some time.  i
> referenced several maps and they succesfully georeferenced and  displayed
> for me.
> Then, i was digitizing and i ran the georeference tool and for some
> reason, the new referenced maps do not display.  i have exited and tried to
> georef in a new project and made sure that i have the same CRS for the
> basemap and the georef tool but when i run the referencer, the layer appear
> but the map will not display.  i have tried restarting, clearing the georef
> tool and running again but i get the same result.   Does anyone know what i
> am doing wrong and why my referenced maps will not display?
>
> --
> Byron Veilleux, MSc. P.Geo
> Conjugate Geologic Services Limited
> Calgary, Alberta Canada
> byron at conjugategeo.com
> Cell:4037108414
>
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-- 
Byron Veilleux, MSc. P.Geo
Conjugate Geologic Services Limited
Calgary, Alberta Canada
byron at conjugategeo.com
Cell:4037108414
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