[OpenLayers-Users] Horizontal lines along boundaries

[Christopher Schmidt]

On Wed, Jul 09, 2008 at 09:17:03AM -0500, David Fawcett wrote:
> 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

Agree,d this would be a MapServer issue, but the gutter property is
designed precisely to counteract it, so it's not beyond the realm of
bugs that OL can work around.  

> 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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> >
> >
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-- 
Christopher Schmidt
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