function printFromBbox(req, res, next){
// bbox is [w,s,e,n] boundaries for rectangle
var params = {};
params.zoom = req.params.z | 0;
params.bbox = [req.params.w, req.params.s, req.params.e, req.params.n];
params.scale = (req.params.scale) ? parseFloat(req.params.scale) : undefined;
params.scale = params.scale > 9 ? 8 : params.scale;
params.format = (req.params.format !== 'png') ? req.params.format : 'png';
params.quality = req.params.quality | 0 || null;
params.limit = 20000;
var filename = req.style.data.name + '-z' +
params.zoom + '_' + req.params.w +
'_' + req.params.s + '_' + req.params.e +
'_' + req.params.n + '_' + (req.params.scale | 0);
var source = req.params.format === 'vector.pbf'
? req.style._backend._source
: req.style;
params.getTile = source.getTile.bind(source);
printer(params, function(err, image, header){
if (err) return next(err);
_(header).each(function(v, k) {
res.set(k, v);
});
res.set({'Content-disposition': 'attachment; filename=' + filename+ '.' + params.format});
return res.send(image);
});
}
var processStaticMap = function(areaParams, req, res, next) {
var scale = getScale(req.params.scale),
format = req.params.format,
params = {
zoom: req.params.z | 0,
scale: scale,
bbox: areaParams.bbox,
center: areaParams.center,
format: format,
getTile: function(z, x, y, callback) {
return getTile(z, x, y, scale, format, function(err, data, headers) {
if (!err && data == null) {
err = new Error("Not found");
err.status = 404;
}
callback(err, data, headers);
});
}
};
return abaculus(params, function(err, data, headers) {
if (err && !err.status) {
return next(err);
}
res.set(headers);
res.status((err && err.status) || 200);
return res.send((err && err.message) || data);
});
};
function printFromCenter(req, res, next){
// x & y are lng,lat at the center of the map
var params = {};
params.zoom = req.params.z | 0;
params.center = {
x: parseFloat(req.params.x),
y: parseFloat(req.params.y),
w: req.params.px | 0,
h: req.params.py | 0
};
params.scale = (req.params.scale) ? parseFloat(req.params.scale) : undefined;
params.scale = params.scale > 9 ? 8 : params.scale;
params.format = (req.params.format !== 'png') ? req.params.format : 'png';
params.quality = req.params.quality | 0 || null;
params.limit = 20000;
var filename = req.style.data.name + '-z' + params.zoom + '_' +
req.params.x + '_' +
req.params.y + '_' +
(req.params.scale | 0);
var source = req.params.format === 'vector.pbf'
? req.style._backend._source
: req.style;
params.getTile = source.getTile.bind(source);
printer(params, function(err, image, header){
if (err) return next(err);
_(header).each(function(v, k) {
res.set(k, v);
});
res.set({'Content-disposition': 'attachment; filename=' + filename + '.'+params.format});
return res.send(image);
});
}
return source(id, function(err, s) {
if (err) return callback(err);
var style = s.style;
var params = {
zoom: s.data.center[2],
scale: 2,
center: {
x: s.data.center[0],
y: s.data.center[1],
w: 256,
h: 256
},
getTile: style.getTile.bind(style)
};
abaculus(params, function(err, buffer) {
if (err) return callback(err);
callback(null, buffer);
// Save the thumb to disk.
fs.writeFile(dest, buffer, function(err) {
if (err && err.code !== 'ENOENT') console.error(err);
});
});
});