[OpenLayers-Users] Horizontal lines along boundaries

[David Fawcett]

This may not be an OpenLayers issue.

This looks a lot like a problem with MapServer output due to a bug in
a specific version of GD.  If this is what is causing your problem,
the best solution would be to upgrade the version of GD or MapServer
binary/installer (which includes GD).  A workaround mentioned in the
bug ticket was to use a TrueType symbol for a circle instead of the
ellipse symbol.

Take a look at:  http://trac.osgeo.org/mapserver/ticket/1719

David.

On Wed, Jul 9, 2008 at 6:05 AM, Nina Helle-Mildt
<helle at sdac.hannover.bgr.de> wrote:
>
>
> Hi,
>
> in my application a WMS layer (getting point data from a PostGIS data table
> via UMN MapServer) is displayed on top of a Google Maps layer.
>
> I have attached a snapshot of something quite common on my map: horizontal
> lines along the tile boundaries. Has anyone experienced a similar problem?
>
> I tried with the "gutter" property on my WMS layer, but with no success:
>
> var seis = new OpenLayers.Layer.WMS("Seismische Ereignisse", "http://...",
> {transparent: 'true', layers: ['q_year_0','q_year_1']},{'isBaseLayer':
> false},{gutter: 10});
>
>
> Thanks in advance,
> Nina
>
>
>
>
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