[OSM-dev] Label font scaling
Lynn W. Deffenbaugh (Mr)
ldeffenb at homeside.to
Fri May 31 16:21:33 UTC 2013
Can you save me a bunch of research and just post an example of your
entity declarations (not necessarily all of them) and one or two
textsymbolizer instances that use them?
Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32
On 5/31/2013 12:12 PM, Stephan Knauss wrote:
> I have increased the font size on thaimap.osm-tools.org
> <http://thaimap.osm-tools.org> as well. I did this by replacing the
> font sizes by xml entities and adjusting these.
>
> As it seems to be useful for others as well I could submit it to svn.
>
> If nobody disagrees I can submit it on Sunday.
>
> Stephan
>
>
>
> "Lynn W. Deffenbaugh (Mr)" <ldeffenb at homeside.to> schrieb:
>
> I'm running my own Tile Server (mod_tile/renderd created from
> packages as described at
> http://switch2osm.org/serving-tiles/building-a-tile-server-from-packages/
> and would like to serve up a new set of tiles with larger font
> sizes for higher resolution displays.
>
> I read
> https://help.openstreetmap.org/questions/8467/font-size-and-adding-scale-to-map
> which describes the textsymbolizer element in osm.xml, to whit:
>
>> <https://help.openstreetmap.org/vote/8472/up/>
>> 3
>> <https://help.openstreetmap.org/vote/8472/down/>
>>
>>
>> The font size comes from the style file /osm.xml/. This includes
>> several lines on the form "/|<textsymbolizer name="name"
>> fontset_name="bold-fonts" size="11"/>|/". You can edit the /size/
>> parameter in the wanted areas to generate a new style with other
>> font sizes.
>>
>
> But there's a TON of textsymbolizer's that would need to be
> edited. Cloudmade's tile servers support an embedded doubler in
> their tile URL as described at
> http://developers.cloudmade.com/projects/tiles/documents
>
>> To get double resolution tiles use *@2x* suffix: 997 at 2x - this
>> will improve map look for iPhone 4, Motorola Milestone, etc.
>
> Does anyone know how they do that? Is there a way to replace the
> textsymbolizer element size attributes with a variable (say
> Size11, Size8, SizeN) so that I can simply clone the style and
> edit all of the sizes in a single place? Then I could do a 1.5,
> 2, 4, or whatever by simply editing the sizes where the variables
> are declared instead of every single textsymbolizer element.
>
> Any/all help would be appreciated to accomplish label font scaling
> in the rendering chain with minimal manual editing work for each
> scale that I support.
>
> Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32
>
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