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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