Thank you! On 24 August 2010 03:18, Dane Springmeyer <[email protected]> wrote:
> > On Aug 23, 2010, at 9:46 AM, Graham Jones <[email protected]> > wrote: > > Hi Dane, > > Sorry, I'll try to explain. > > I am using PointSymbolizer to put icons on a map. > If I add 'allowOverlap=false' (I may have got that wrong), mapnik only > displays a single icon in an area rather than multiple overlapping ones. > > > Yes. > > What I would like to do is use a different icon if it is a true > single entity (ie no other things near it) rather than an icon that > represents multiple entities. > > > Okay. Points placed, in this case always represent single entities. Your > assumption that they are grouped/multiple is reasonable if clustering were > happening (combining of two features a given distance apart into one > rendered point). But it is not as right now points that are placed simply > exclude other points that might later overlap when rendered and thus the > sorting of your data determines which will more likely show up. > > I agree this would be a desirable feature (clustering) and I actually > started scoping it for a client last week. I will reply to this thread when > I have made progress. > > > > > This may be 'clustering' - I'm not sure! I'll search for clustering when I > get home. > > Regards > > > Graham. > > On 23 August 2010 15:39, Dane Springmeyer < <[email protected]> > [email protected]> wrote: > >> Graham, >> >> Are you talking about clustering? If not, we might need a bit more >> explanation to see exactly what you are trying to do? >> >> Dane >> >> >> On Aug 22, 2010, at 3:38 PM, Graham Jones wrote: >> >> Hi, >> Can anyone tell me if it is possible to use a different symbol for a >> PointSymbolizer or ShieldSymbolizer if it represents multiple entities (ie >> if you say 'overlap=false' so it does not draw all of the symbols)? >> Ideally I would like to add a 'x3' next to it if it represents 3 nearby >> features etc, but just a different symbol would do for starters. >> >> If it is possible, how do I do it? - I am struggling to find it in the >> documentation, so am not sure if it is possible or not. >> >> Thanks >> >> Graham. >> >> >> -- >> Dr. Graham Jones >> Hartlepool, UK >> email: <[email protected]>[email protected] >> _______________________________________________ >> Mapnik-users mailing list >> <[email protected]>[email protected] >> <https://lists.berlios.de/mailman/listinfo/mapnik-users> >> https://lists.berlios.de/mailman/listinfo/mapnik-users >> >> >> > > > -- > Dr. Graham Jones > Hartlepool, UK > email: <[email protected]>[email protected] > > _______________________________________________ > Mapnik-users mailing list > [email protected] > https://lists.berlios.de/mailman/listinfo/mapnik-users > > -- Dr. Graham Jones Hartlepool, UK email: [email protected]
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