On Fri, Dec 12, 2008 at 8:53 PM, Maarten Deen <md...@xs4all.nl> wrote: > Eric Lemoine wrote: >> So you use 2.7, and possibly found a bug in the lib. Could you please >> provide the list with a simple example showing the problem? > > Sure. > > I have a test page at <http://www.maasluip.nl/ebt/test.html> > It show a series of east-west lines. If you zoom in to a high enough level, > the > lines will disappear, except when you are close enough to the start or end of > the line. Moving the map closer to the start of the line will make the line > reappear suddenly. > > So I guess it is some sort of "how far is the current point away from the > starting point, in pixels" bug. > This occurs on Firefox at zoomlevel 13, but IE is not affected by the bug in > this example. > There is another example at <http://www.maasluip.nl/ebt/ebttest.html> with > longitudal and lateral lines. Here IE also displays the bug, but at different > zoomlevels than Firefox. > > Code to draw the lines on a map is straightforward: > for (var p=0; p <= 80; p++) > { > var pointList = []; > > var lonLat0 = new OpenLayers.LonLat(0, p).transform(map.displayProjection, > map.projection); > var lonLat1 = new OpenLayers.LonLat(30, p).transform(map.displayProjection, > map.projection); > newPoint = new OpenLayers.Geometry.Point(lonLat0.lon, lonLat0.lat); > pointList.push(newPoint); > newPoint = new OpenLayers.Geometry.Point(lonLat1.lon, lonLat1.lat); > pointList.push(newPoint); > > var lineFeature = new OpenLayers.Feature.Vector( > new OpenLayers.Geometry.LineString(pointList)); > > vectorLayer.addFeatures([lineFeature]); > } > > This will draw one line each 1 degrees of latitude, in a box from > (0,0)-(30,80)
It's likely that you hit FF SVG MAX_PIXEL limit [*], which we have no workaround for at this point; [*] http://trac.openlayers.org/browser/trunk/openlayers/lib/OpenLayers/Renderer/SVG.js#L35 -- Eric _______________________________________________ Users mailing list Users@openlayers.org http://openlayers.org/mailman/listinfo/users
