[Qgis-us-user] Snapping issue with Projections and Transformations

James MacDougall jm3 at me.com
Thu Feb 10 07:00:24 PST 2022


Hi,

I seem to have resolved it.  I removed all the transformations for the Project except one which is Destination CRS EPSG:3554 with No Source CRS.  Now the snapping works fine when snapping to “All Layers”.  I can now trace etc to layers of different projections.

Thanks everyone.

Jim




> On Feb 10, 2022, at 8:11 AM, Randal Hale <rjhale at northrivergeographic.com> wrote:
> 
> Good morning,
> 
> I was thinking about this - What projection is your map canvas? I'll try to test here but it sounds like something maybe set to degrees vs feet or meters.
> 
> Randy
> 
> 
> On 2/9/22 17:27, James MacDougall wrote:
>> Hi,
>> 
>> I have a project in Maine.  I am using the new projection, NAD83 Maine CS2000 Central (EPSG:3554), for my Coordinate Reference System (CRS).  I have imported shape files from Maine GIS that are in WGS 84/ UTM zone 19N.  When I create a new shapefile in 3554, and proceed to create a new feature, whenever I snap on a line from a layer in UTM, the vertex shoots off into the north pole or some other hinterland.  I have checked my transformations which seem ok.  What setting do I have wrong? I am working in 3.18 on a Mac.
>> 
>> Thanks,
>> 
>> Jim
>> 
>> 
>> Jim MacDougall
>> Topsfield, MA 01983
>> 
>> 
>> 
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> 
> -- 
> Randal Hale
> rjhale at northrivergeographic.com
> https://www.northrivergeographic.com
> 
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