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Re: [Paparazzi-devel] Unusual issue with Polygon Survey - Bug or Featur

From: Chris Gough
Subject: Re: [Paparazzi-devel] Unusual issue with Polygon Survey - Bug or Feature?
Date: Wed, 21 Apr 2010 00:23:39 +1000


got both emails, the first one wasn't blocked.  I think from your
description that I understand the symptom, but I don't know cause
because I haven't seen it before.

Are you sure your polygon is convex? if the waypoints are hidden,
maybe they are  not where you think they are... That's just a guess,
please attach the offending flight plan.

Chris Gough

On Tue, Apr 20, 2010 at 11:56 PM, Nathan Aherne <address@hidden> wrote:
> Hi All,
> I wrote a question to the group but I had attached some images, so it must
> have been blocked.
> I created a Polygon survey with 5 waypoints. Because I was unsure about how
> it worked (it wasn't completely explained), I just copied the example in the
> wiki. I replicated the waypoints that were showing with some hidden
> waypoints, with each hidden waypoint having the same coordinates as the
> showing waypoints. When I ran the polygon survey an unusual issue occurred,
> the Polygon survey only seemed to work with three of the waypoints,
> completely disregarding the other two. After a while I got to thinking that
> maybe the Polygon survey looked at the coordinates and got confused. Each
> waypoint was replicated so the 5 way points had two waypoints with the same
> coordinates = 10 waypoints. If I added up the 3 way points there were 6. It
> seemed the code had drawn a polygon between the 3 way points (disregarding
> the 6th replicated point) and surveyed them.
> I hope I explained it properly. Is this a feature or a bug?
> Kindest regards,
> Nathan Aherne
> Reddog Technology
> Web:
> Email: address@hidden
> Mob: 0402 555 080
> _______________________________________________
> Paparazzi-devel mailing list
> address@hidden

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