Re: [Mapbuilder-proj] [Mapbuilder-devel] Mapbuilder projections and CSCS

[Richard G. <ric...@gm...>]

On 5/24/07, olivier.terral <oli...@ge...> wrote:
> I begin to integrate cscs.js :
>
> I choose the way :
> -load cscs.js file in mapbuilder.js like others (Sarissa,Util  .....).
> - delete all lines in Proj.js and replace by loading script necessary to
> a specific srs in param like this:
>
>     function Proj(srs) {
>         var tmp = srs.split(":");
>         cs = tmp[0]+tmp[1];
>                         //transform EPSG:27563 in EPSG27563
>
> mapbuilder.loadScript(baseDir+"/util/cscs/lib/defs/"+cs+".js");
> //load proj4 definition of srs
>         var epsg =new CS(eval("csList."+cs));
>                //create th CS object
>         epsg.srs=srs;
>                               //add a param 'srs', necessary for openlayers
>         epsg.units="m";
>                               //units param should be added in cscs.js file
>
> mapbuilder.loadScript(baseDir+"/util/cscs/lib/"+epsg.proj+".js");
> //load projection script, in that case : lambert conformal conic
>       return epsg;
>                                 //retourne l'objet Proj .
>  }
>
> Problem of this method, the function
> "mapbuilder.loadScript(baseDir+"/util/cscs/lib/defs/"+cs+".js");" insert
> script  in the head of html page but cannot execute the contain of the
> js file.
>
> Anybody know another method to load a js file?


You could just load the js files statically. (This would require the
web application developer to know which files they needed at design
time.) I would at least start with that approach and get the function
calls working before worrying about dynamic loading.


-- 
Richard Greenwood
ric...@gm...
www.greenwoodmap.com