Difficult to figure out with so less information.
At first view, I notice that you are talking about an AIC file. But the newer geoconvert versions need an AID file or you have to use the *.tfw-file as a base (*.aid will be generated by geoconvert) . Maybe this is the cause.
Syntax of the corresponding AID-File: b_16_stich_1_1.aid
In principle, it is much easier to use Aeroscenery to create your own photo scenery:PostAeroScenery Releases - Easily Create Photoreal SceneryI'm opening a new thread for AeroScenery releases as the last one has started to get unwieldy.
After some beta testing by the good people on here I'm pleased to announce that AeroScenery 1.0.1 is now available.
Download here : https://github.com/nickhod/aer…oad/1.0.1/AeroScenery.msi
New Features In 1.0.1On-the-fly Image Processing
You can now have AeroScenery adjust the sharpness, brightness, contrast etc of the image tiles that you're about to…
Geoportal (Switzerland) does not work as a source anymore, I will fix it with the upload of my next MOD (works allready for me).
This was indeed the Problem. Thank you for your help
Aeroscenery doesn't really work for me. Every time I try to run it, my PC crashes. And when it runs successfully for once, the images have a weird red overlay. So, I decided to make my own script that downloads the files and creates the AID files for me. I also noticed that the images on Geoportal are kind of old (sometimes from 2011). That's also a reason why I want to use the swisstopo images, since they are not older than 3 years.