I have tried to change the lat long to UTM using "Save As" in QGIS 2.18.13 and tried again in QGIS 3.0.1, I cannot get it to work.

I have a .csv file in the form

id Base_latitude Base_longitude
L001 -33.913912 150.862774
L002 -33.942172 150.857137
L003 -34.055889 150.747552

I add it to QGIS with the CRS set to ESPGS:4326 - WGS 84 Image of Layer Properties showing CRS as ESPGS:4326 - WGS 84

I then right click on the layer, click "Save As" and set the CRS to ESPG:32756 - WGS 84 / UTM zone 56S and save it as a new .csv.

Image of Save vector Layer As screen

According to the tutorials and previous stackexchange answers this should produce a .csv file in the form

X Y id Base_latitude Base_longitude
number number L001 -33.913912 150.862774
number number L002 -33.942172 150.857137
number number L003 -34.055889 150.747552

Instead the output .csv is exactly the same as the input. Am I missing a step? I've tried in two different QGIS versions (2.18.13 and 3.0.1) so I don't think it's a bug.

  • Are you sure that when you added the .csv file, QGIS acctually read the geometry definition as points and not as attribute table only? Could you zoom to the points? Be aware that drag&drop does not propt you to the window to configurate the geometry definition – Marco Mar 29 '18 at 0:05
  • @Marco, I can "Zoom to Layer" and see all the points spread out in the center work space. I'm 99% sure that means it's reading the geometry definition as points. – Kat Lambert Mar 29 '18 at 0:36

I never saved a .csv file before, I am always reading them only. So I had to test your problem.

I realized that the default option in the Geometry in the Layer Options produce no geometry in the output file.

enter image description here

So, you need to instruct the command saying it how you want the geometry output as in the picture below.

enter image description here

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