[OpenLayers-Users] Horizontal lines along boundaries

[Nina Helle-Mildt]

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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