Jim O'Donnellhttp://eatyourgreens.org.uk/archives/2009/05/searching-the-sky-with-yql-execute.html ; for each (var photo in photos) { var node = {photo.id} {photo.url} {photo.imgroot} {photo.username} {photo.RA} {photo.Dec} {photo.orientation} ; if(photo.fov) { node.photo += {photo.fov.x} {photo.fov.y} ; } for(i=0; i{photo.name[i]}; } respdata.photos += node; } response.object = respdata; function parseAstrotags(data) { var tag; var tmp; var photo; var id; var o = {}; /* Walk through the returned data and build an associative array of photos, o, keyed on photo id. (yeah, I know JavaScript doesn't really use associative arrays).*/ for each (var photo in data.results.photo) { id = photo.@['id'].toString(); if (!o[id]) { o[id] = {}; o[id]['name'] = []; o[id]['id'] = id; o[id]['title']=photo.title.toString(); o[id]['url'] = photo.urls.url.toString(); o[id]['username'] = photo.owner.@['username'].toString(); o[id]['imgroot'] = 'http://farm'+photo.@['farm'].toString()+'.static.flickr.com/'+photo.@['server'].toString()+'/'+id+'_'+photo.@['secret'].toString(); } tag = photo.tags.tag.@['raw'].toString(); //split machine tag name and value tmp = tag.split('='); //discard namespace from tag name by splitting tmp[0] on : // store data as o[predicate] = value eg. o[id].RA = 85.123456 var tagname = tmp[0].split(':')[1]; if (tagname == 'name') { o[id]['name'].push(tmp[1]); } else { o[id][tagname] = tmp[1]; } //fieldsize is a string in degrees, arcminutes or arcseconds. //We will standardise on a value in degrees. if (tmp[0] == 'astro:fieldsize') { //convert fieldsize string into a numeric value in degrees, using the width of the photo. tmp = o[id].fieldsize.split(' '); o[id].fov = {}; o[id].fov.x = parseFloat(tmp[0]); o[id].fov.y = parseFloat(tmp[2]); if (tmp[3] == 'arcminutes') { o[id].fov.x = o[id].fov.x/60; o[id].fov.y = o[id].fov.y/60; } if (tmp[3] == 'arcseconds') { o[id].fov.x = o[id].fov.x/3600; o[id].fov.y = o[id].fov.y/3600; } } } return o; } ]]>