Jody Garnett ha scritto: > Andrea Aime wrote: >> Saul Farber ha scritto: >> >>> Great question! I'm not sure I have an answer...anyone else have any >>> great ideas? >>> >>> I guess you could do some math in the <size> of the box. Have it be >>> dependent on the length of the name string. Anyone know how Hugo >>> could formulate that SLD expression? <size><Mult><Func >>> name="length">STREET_NAME</Func><Literal>20</Literal></Mult></size >>> >>> Is there a function to get the length of a string attribute? >>> >> >> strLength(attribute) does compute the number of chars. >> Yet I'm not sure it's what you want, since the rendered width >> of "MMMM" and "||||" is different. >> Unfortunately afaik we do not have a function that does return >> actual rendered width and height. >> >> In fact, to provide a proper answer to this problem, a new >> element similar to halo should be added to TextSymbolizer, >> since it has the same function as a halo, that is, make >> text easier to read... well, it could even be a Halo >> new attribute. >> Both would require changing published API in 2.2.x, so I'm >> not sure we're speaking about a quick change (I doubt it... >> everything handling styles would need to be changed as >> an effect, parsers, encoders, implementations of the interface...) >> > We do support optional extensions beyond the SLD specification, for > example we did "label shields" where a Mark could be dropped in behind the > final text position. This box sounds like a similar idea.
And how does a Halo new attribute sound, shape="radial" (just like now) and shape="rectangular" (new rectangle based distance, take the rectangle that bounds the text and use radius to increase its size in each direction)? Cheers Andrea ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Geotools-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geotools-devel
