<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div></div><div><a href="http://www.qgistutorials.com/fr/docs/georeferencing_basics.html">http://www.qgistutorials.com/fr/docs/georeferencing_basics.html</a></div><div><br>Le 21 juill. 2018 à 01:13, Patrick Dunford <<a href="mailto:enzedrailmaps@gmail.com">enzedrailmaps@gmail.com</a>> a écrit :<br><br></div><blockquote type="cite"><div><span>I do this using Gimp to create new composite tiles based on existing georeferenced contemporary aerial photo map tiles.</span><br><span></span><br><span>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.</span><br><span></span><br><span></span><br><span>On 21/07/18 10:49, Wolstan H M Dixie wrote:</span><br><blockquote type="cite"><span>Hi - I am a new user struggling to pick up the fundamentals - I have</span><br></blockquote><blockquote type="cite"><span>successfully imported a LIDAR raster layer and hillshaded / pseudo</span><br></blockquote><blockquote type="cite"><span>coloured / contoured it.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>My problem is that I want an image of a topographical map behind it as</span><br></blockquote><blockquote type="cite"><span>a base map to provide context.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>The GIS I am familiar with had the facility to take an image eg TIFF,</span><br></blockquote><blockquote type="cite"><span>JPG, PNG, georeference the four corners, and import it into a layer so</span><br></blockquote><blockquote type="cite"><span>that it was matched to the vector map. This seems a simple and I should</span><br></blockquote><blockquote type="cite"><span>have thought common requirement eg you want to put a TIFF of a historic</span><br></blockquote><blockquote type="cite"><span>map behind the modern map you are creating.</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>I cannot see any way of doing it - am I being obtuse?</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>Any help appreciated</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>Wolstan</span><br></blockquote><blockquote type="cite"><span></span><br></blockquote><blockquote type="cite"><span>_______________________________________________</span><br></blockquote><blockquote type="cite"><span>Qgis-user mailing list</span><br></blockquote><blockquote type="cite"><span><a href="mailto:Qgis-user@lists.osgeo.org">Qgis-user@lists.osgeo.org</a></span><br></blockquote><blockquote type="cite"><span>List info: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user">https://lists.osgeo.org/mailman/listinfo/qgis-user</a></span><br></blockquote><blockquote type="cite"><span>Unsubscribe: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user">https://lists.osgeo.org/mailman/listinfo/qgis-user</a></span><br></blockquote><span></span><br><span>_______________________________________________</span><br><span>Qgis-user mailing list</span><br><span><a href="mailto:Qgis-user@lists.osgeo.org">Qgis-user@lists.osgeo.org</a></span><br><span>List info: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user">https://lists.osgeo.org/mailman/listinfo/qgis-user</a></span><br><span>Unsubscribe: <a href="https://lists.osgeo.org/mailman/listinfo/qgis-user">https://lists.osgeo.org/mailman/listinfo/qgis-user</a></span></div></blockquote></body></html>