I am correcting myself here! Anyway I think Martin should have the last word.
On 2/24/06, Simone Giannecchini <[EMAIL PROTECTED]> wrote: > Hi Martin, > as I told you in a previous mail I am trying to find a way to > implement raster classification for supporting the raster symbolizer > from SLD spec. > > I have the following problem which I am trying to solve. > During classification I might have the need to map a range (which by > the way could be open on one of the two side) onto a single value > (which usually is an index in a color table for palette-type > images),as an instance > > [230.23, 259,98] --> 1 > > > I wanted to take advantage of the categories for doing this task but I > see a few problems which I think we could solve: > > 1>Such transformation is not allowed in actual implementation of > categories but I think it really should. > > I tried to force the implementation to return a Constant1D transform > in such case, but things do not work properly. > > 2>There is no way to define a range such as (a,b] or similar, where > one of the extrema is not comprised. Deadly wrong, I was just using the worng constructor in NumberRange class. > > 3>We should find a way to allow users to define ranges like (-inf, a]. > Here, I still am quite confident that I cannot create such a transformation but I am waiting for martin's thoughts. > I tried to fix some of these issues myself but I would like to hear > your opinion first. > > Simone. > -- > °°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°° > Simone Giannecchini > Software Engineer > Freelance Consultant > > http://simboss.wordpress.com/ > > °°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°° > -- °°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°° Simone Giannecchini Software Engineer Freelance Consultant http://simboss.wordpress.com/ °°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°° ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid0944&bid$1720&dat1642 _______________________________________________ Geotools-devel mailing list Geotools-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/geotools-devel
