Re: [OpenMap Users] stipes in layer...

On Wednesday, October 23 2002 at 07:16:01(+0200) MARTIJN VAN DER PAUW wrote:
> Hello,
>
> I thought i send it before, but I couldn't find it back:
>
>
> Depending on the projection I use in the imageserver, I regurlarly get
> corrupte grid layers. The good looking grid stops somewhere, on a
> lat of
> lon. The latest grid values stay in memory and those are painted
> over the
> rest of the grid. example:
> http://www.regen.nl/temp/screendump21102002a.gif
>
> It seems to depend on the lon/lat. In the example, when I move the
> projection more to the right, the disturbance starts earlier/later.
> When moving more to the north or south i get it at the right of
> image as well. It looks a bit like a method that's not ready while the
> image is already processed.

This looks like a classic projection blow-up. We used to see it
horizontally when we first were developing the projections and
polygons would close the wrong way around the world or fly off to the
edge of the screen. I think the clues would be which projection you
are using and what the lat/lon values of the edges where it breaks
are.

Maybe someone with better knowledge of the projection/generate code
would know where to look.

      Allan

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Allan Doyle                         http://www.intl-interfaces.com
adoyle@intl-interfaces.com
--
[To unsubscribe to this list send an email to "majdart@bbn.com"
with the following text in the BODY of the message "unsubscribe openmap-users"]