Adding an "r" line might help to define the rectangle around the horizon you are
wanting to add.

Larry Wood

On 2019-09-15 2:23 PM, Michael Koch astroelectronic@... [guide-user] wrote:
> Hi,
>
> does anybody have a working example how to add a user-defined horizon
> line to the horizon.dat file?
>
> I did try this code for a 90-degree segment of my horizon:
>
> f 12 32 32 0
> 0   25
> 10  21
> 20  20
> 30  16
> 40  22
> 50  18
> 60  16
> 70  22
> 80  19
> 90  16
> 90 -10
> 0  -10
>
> The problem is that sometimes Guide fills the area correctly, and
> sometimes it fills the whole screen and sometimes it fills everything
> else except the area to be filled. It depends on which point is centered
> in the screen.
>
> Any ideas?
>
> Michael
>