Probably there has been duplicate development here, since there is also a sandbox from CampToCamp if I recall correctly: But if you zoom in in that sandbox in IE you get duplicate text labels.
http://dev.openlayers.org/sandbox/camptocamp/text/examples/vector-features-with-text.html Best regards, Bart dave c schreef: > I posted on this last month but i didnt get any response so i went ahead > anyways. Now what i put together is only a first pass of sorts and is a > little crude in places but i was hoping that someone here could have a look > at it and tell me if it could be used within openlayers as i dont want to > have to continually be updating it myself. Of course you may not like the way > i went about it or have no plans to implement text rendering. > > Using openlayers 2.5 stable, I created a patch for this version if anyone > wants to have a look. The patch is called patch.txt and is attached to this > mail. So run "patch -p0 < ../patch.txt" to update. > > Just a few quick points and issues i had. > > One reason to get text rendering working for example was, i needed to be able > to output the names of certain hospitals on a map centered on there point on > the map. Firstly i have "extractAttributes: true" and added an layer option > called "textAttrToDisplay" which is the name of the attribute to be > displayed within each feature that was coming from my database. > > Now biggest issue i had was in svg the text was rendering upside down due to > the "transform scale(1,-1)" and so i just created a 2nd root node called > textroot which i appended to the renderedRoot and added all text nodes to it > instead. Of course this wasn't an issue in vml. Is there a better way ? > > I tried finding a quick example that you could quickly test this out on > yourselves, but all the wfs examples i looked at in openlayers did not return > any other data except there co-ordinates, but i assume a number of ye would > be able to get it running quickly with your own local datasets. > > So as an example of its use, say this is some of the data returned from my > database, > <gml:featureMember> > <fs:hospital fid="1"> > <fs:geometry> > <gml:Point> > <gml:coordinates>99771.29,47991.03</gml:coordinates> > </gml:Point> > </fs:geometry> > <fs:hospname>Bantry</fs:hospname> > <fs:county>Co Cork</fs:county> > <fs:he_admin_area>South</fs:he_admin_area> > <fs:address>Bantry</fs:address> > <fs:recordno>21</fs:recordno> > <fs:regionname>Region 2</fs:regionname> > </fs:hospital> > </gml:featureMember> > > And i wanted to display the hospital name, i would add textAttrToDisplay as > an > option to the layer with the value hospname. > > var lOptions = { > extractAttributes: true, > textAttrToDisplay : 'hospname' > } > > layer2 = new > OpenLayers.Layer.WFS( "Hospital", > "http://localhost/~dave/featureserver/featureserver.cgi/hospital?format=WFS", > { maxfeatures:10}, lOptions); > map.addLayer(layer2); > > > Just looking for a bit of advice on this. Am i going about it the right way, > and could i eventually submit this, so i wouldn't have to maintain it with > with each update to openlayers itself. > > Thanks > > ------------------------------------------------------------------------ > > _______________________________________________ > Dev mailing list > [email protected] > http://openlayers.org/mailman/listinfo/dev -- Bart van den Eijnden OSGIS, Open Source GIS [EMAIL PROTECTED] http://www.osgis.nl _______________________________________________ Dev mailing list [email protected] http://openlayers.org/mailman/listinfo/dev
