[Xastir] Object Deletion

[Andrew Rich]

Here is an example of an object creation and deletion:-

eg

VK4TEC>APU25N,TCPIP*:
;ssss     *172013z2748.71S/15251.59E-

VK4TEC>APU25N,TCPIP*:
;ssss     _172013z2748.71S/15251.59E-

See how the "*" goes to a "_" 

Cheers Andy VK4TEC




-----Original Message-----
From: xastir-bounces at xastir.org [mailto:xastir-bounces at xastir.org]On
Behalf Of Troy M Campbell
Sent: Wednesday, 18 May 2005 1:39 AM
To: xastir at xastir.org
Subject: Re: [Xastir] Object Deletion


Cool.  Precisely what I was looking for.

Thanks!


Troy M. Campbell
Epic Alliance, Inc.
913.227.0660

------ Original Message ------
From: "Curt, WE7U" <archer at eskimo.com>
Date: Tuesday, May 17th, 2005 10:31 AM CDT
To: Troy M Campbell <troymc at epicalliance.com>
Subject: Re: [Xastir] Object Deletion

On Tue, 17 May 2005, Troy M Campbell wrote:

> Sorry.  From looking at the email, it appears as if it's possible
> to delete an object through xastir's server port.   Is there a command
> for that and if there is, are there other commands?

No, it's not a "command" per se, it's just an APRS formatted
"killed" object packet that you can send into Xastir.  See the APRS
Spec for info.

Xastir has no specific commands that it is parsing from the server
port, other than the authentication string.

What the person suggested (and probably will work great) is
injecting a packet into Xastir as if that Xastir session itself sent
it.  The packet then goes through the normal received packet
processing.  It just so happens that Xastir "loops back" it's own
transmitted packets, and that's where an object/item kill actually
takes place, in the received packet decoding.  Good trick that.

You can use the same trick to have external programs/scripts inject
object/item packets into the server port.  Xastir will then take
over transmitting them as if you created them with the
mouse/keyboard.

--
Curt, WE7U.   APRS Client Comparisons: http://www.eskimo.com/~archer
"Lotto:    A tax on people who are bad at math." -- unknown
"Windows:  Microsoft's tax on computer illiterates." -- WE7U
"The world DOES revolve around me:  I picked the coordinate system!"

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