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Mars and the moon's surface elevation, with respect to mean radius, are actually correctly shaped. The earth is a big o'le sphere though. The proper way to do this, is in the elevation data itself......buuuut we need to add an "oblateness" variable to the celbody[2,3?] class so that the...

64 bit Orbiter is very usable, you just need to remove some offending 32bit celestial bodies from your sol.cfg (the moons of Mars, Uranus, and Neptune) See: https://orbiter-forum.com/threads/64-bit-orbiter-builds-are-not-currently-useable.41937/

I have a memory of being able to start scenarios by passing them as command-line arguments? Not at my desk right now and I honestly can't remember it that's a real thing or not...

Console mode is very useful if you want to run a long-term scenerio without user intervention, or the overhead of running the graphics client. Long-term state propagation, especially with fixed-timestep mode are how I tested the new gravity models. I have also used this for systems stability...

Cubemapping would be a much better topology. This is also what spaceengine uses. It would be vastly easier to make compatible with our octtree texture/elevation formats. You'd need: A few new celbody API functions the topology transform from cube to sphereoid/ellipsoid GraphicsClient calls

We have until 2026-12-31, but obviously we'd never cut it that close :)

For actually programming an addon, it's really helpful to understand the callback functions and how the they're called in the Orbiter internal update loop. The addon/API documentation is super helpful.

I really like that you can change and lock the MFD aspect ratio. Could I make a small request though? Can you add a button to set/reset the aspect ratio [back] to 1:1 and 4:3. Some things depend on that formatting. Are all the dependencies for this change compiled in, or are we linking to...

This should be the same method of specifying touchdown points as Orbiter 2016 had.

All of the older (2002-2016) Orbiter releases can be downloaded here: https://www.orbiter-forum.com/resources/categories/orbiter-download.15/

Are you launching Orbiter.exe or Orbiter_NG.exe? You'll want Orbiter_NG.exe. You are running the DX7 graphics, which is probably the source of most of the issues.

I'm not a lawyer, but generally "non-commercial use" covers education, even private education. I think the spirit of the license is aimed at prohibiting: Selling Orbiter install or Addon disks/downloads Selling a service directly related to Orbiter (micro-transaction/sports betting addon...

Does running in full-screen vs windows vs full-screen window make a difference?

I won't get the free-software soap box, nor does it solve any immediate problem....however virtually all incompatibility problems in Orbiter (old addons, old versions, etc) stem from, at least in part: "non-free" or "links to non-free". Isn't there an SDL library that does async audio? I'm sure...

0xc0000005 is an access violation. There is pretty much no way to know what caused this without a debugger attached and symbol-table loaded when the crash occurred to get a stack trace. However generally, these occur due to uninitialized pointers or when objects are deleted, but some if(nulptr)...

You can with custom cameras.

Short answer, no, this had not been addressed to the best of mt knowledge. If it's what I think it is, than I know how to solve it. I  believe we are checking for the closest planet by checking for the strongest gravity contributor. If that is indeed the case, we can use a slightly less...

When the absolute heck is going on in this thread... I don't really understand the motivation in using something like ChatGPT et al. to do anything, but in particular hobby stuff like Orbiter addons, art, etc. There is no arguing that AI ( the field of study, not the corporate driven LLMs)...

Orbiter 2024 is developed and released under an MIT license: https://github.com/orbitersim/orbiter/blob/main/LICENSE Some components (the D3D9 Graphics client are GPLv3/LGPL) No issues with commercial use either way. You can find the main license:

There are two main addons for Apollo for Orbiter. AMSO and NASSP (both share a common ancestry ~25 years ago). AMSO is a bit easier to get into, and works much like the default Orbiter vessels, and is all around quote good and complete. NASSP is very detailed: emulated Apollo Guidance Computer...