Re: G2V dataset, meridian

Josch Hambsch <hambsch@pandora.be> Feb 2, 2003

Hi Bill,

thanks for the hint. I added the line. Now it works with GOTO TDF
object.

Keep on the goed work.

Josch

--- In guide-user@yahoogroups.com, Bill J Gray <pluto@p...> wrote:
> Hi folks,
>
> First off: Rich, thanks for mentioning the G2V dataset. I've
> added a link and a few words about it to
>
> http://www.projectpluto.com/extras.htm#g2v
>
> The G2V TDF file will work if you insert this line just before
> the "shown" one:
>
> goto spaces # Ignore extra spaces in 'go to'
>
> Otherwise, Guide would require a full six-character entry. For
> example, the first object would be " 80" (four spaces, two
> digits). After adding the above line, telling Guide to disregard
> such spaces, you can enter "80" and be all set.
>
> For details on every facet of TDF behavior (and, I admit, some
> misbehavior), see
>
> http://www.projectpluto.com/tdf_info.htm
>
> As Rich pointed out, that entry is a HIP number (for example,
> the above case is HIP 80). So you _can_ simply use "Go To.. Star...
> Hipparcos." Obviously, such tricks don't work for most datasets,
> but they do for this one... we might as well enjoy the fact.
>
> Tom, an addendum to Bob Elliott's reply about showing the
> meridian: while in the Grids dialog box, you should also check
> the Alt/Az radio box.
>
> As an alternative, you can edit the file 'horizon.dat'. This is
> usually just intended to show trees, houses, etc. around the
> horizon, to provide a frame of reference, but you can add in the
> following lines near the top to persuade Guide to "connect" thirteen
> points, running from the northern horizon up to the zenith and down
> to the southern horizon at fifteen-degree intervals. A description
> of what all this means, and of how to create other objects, is
given
> at the end of 'horizon.dat'.
>
> -- Bill
>
> ----------- Lines to add to 'horizon.dat' -----------
> l 13 32 0 0; Meridian line
> 0 0
> 0 15
> 0 30
> 0 45
> 0 60
> 0 75
> 0 90
> 180 75
> 180 60
> 180 45
> 180 30
> 180 15
> 180 0