Georg Zotti
Georg Zotti
In the drawing, when the satellite is at B, the shadow circle likewise must go through B. This can be achieved with the above change.
If you make a panorama photograph, or plot an equivalent equirectangular map in Photoshop/GIMP and use a "spherical" landscape, you're done in 2-5 hours.
You can start with a 3600x1800px (azimuth x altitudes) image and cut your window holes in units of 10 pixels per degree.
Hold the mouse over a label to see some more words of explanation. Labels esp. help us sorting out real problems (code demands) from other things. Your "this is what...
I hope I can improve your feelings with a tag that states "we will not do it because we have other priorities, but you are cordially invited to solve it...
I mean, look into SphericalRegion & friends, the building blocks required.
There is no such option. HeavensAbove provides such service.
Stellarium runs on Raspberry Pi 4 with Raspberry OS (Raspbian). If you can solve the problem with FreeBSD (unsupported), we can accept a patch.
@Pavel-II please respond. Else we will close this issue.
It is really easy to write the text file for a polygonal landscape.