I've installed everything according to the instructions yet the base appears like this
View attachment 27516
I just tested the base and it works 100%
With the standard low res mars i got what you have here so you need the HD mars elevation.
I suggest you try this again. With all new files.
First delete the addon folders that you extracted ( just in case you modified any cfg stuff in them, start from 0 again, extract them again and don't change anyrhing)
After that make sure that your HD mars files are up to date. What do i mean by that, some people still have the old HD mars from 2016. They have been updated to a much better package.
Go to orbiter - textures - mars - archive and check the size of your files
The elev.tree size on disk should be about 8.7 gb
The surf.tree size on disk should be about 12.6 gb
If the size or your files is smaller... you most probably have the old hd or a corrupted download somehow.
Go here (europe mirror)
orbit.medphys.ucl.ac.uk
Or here for US
orbit.medphys.ucl.ac.uk
Go to Mars and download the surface and elevation files.
You should have these:
Hd mars surf and elevation files
Orcus patera addon
New rome addon from here
1. Install the HD mars and make sure that you follow the instructions on how to do that to the letter, don't forget to modify the mars cfg
After that start orbiter and make sure that the HD mars works
2. Install the orcus patera addon
3. Install the New Rome addon.
Done. Open orbiter and launch the dglider at new rome scenario.
You should not need to modify any of the new rome cfgs or anything, it works from the start.
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With the standard low res mars
With the "new" HD mars