[Qgis-user] Georeferenced raster images

[Nicolas Cadieux]

http://www.qgistutorials.com/fr/docs/georeferencing_basics.html

> Le 21 juill. 2018 à 01:13, Patrick Dunford <enzedrailmaps at gmail.com> a écrit :
> 
> I do this using Gimp to create new composite tiles based on existing georeferenced contemporary aerial photo map tiles.
> 
> I believe there is a georeferencing plugin available but I was unable to achieve what I needed with it because it didn't appear to be capable of matching up the coordinates.
> 
> 
>> On 21/07/18 10:49, Wolstan H M Dixie wrote:
>> Hi - I am a new user struggling to pick up the fundamentals - I have
>> successfully imported a LIDAR raster layer and hillshaded / pseudo
>> coloured / contoured it.
>> 
>> My problem is that I want an image of a topographical map  behind it as
>> a base map to provide context.
>> 
>> The GIS I am familiar with had the facility to take an image eg TIFF,
>> JPG, PNG, georeference the four corners, and import it into a layer so
>> that it was matched to the vector map. This seems a simple and I should
>> have thought common requirement eg you want to put a TIFF of a historic
>> map behind the modern map you are creating.
>> 
>> I cannot see any way of doing it - am I being obtuse?
>> 
>> Any help appreciated
>> 
>> Wolstan
>> 
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