Change bearing and pitch format in static url

README.md

@@ -42,7 +42,7 @@ See https://github.com/klokantech/tileserver-gl-data/blob/master/config.json
   - Available formats: `png`, `jpg` (`jpeg`), `webp`
   - TileJSON at `/styles/{id}/rendered.json`
 - Static images are rendered at:
-  - `/styles/{id}/static/{lon},{lat},{zoom}[,{bearing},{pitch}]/{width}x{height}[@2x].{format}` (center-based)
+  - `/styles/{id}/static/{lon},{lat},{zoom}[@{bearing}[,{pitch}]]/{width}x{height}[@2x].{format}` (center-based)
   - `/styles/{id}/static/{minx},{miny},{maxx},{maxy}/{width}x{height}[@2x].{format}` (area-based)
   - `/styles/{id}/static/auto/{width}x{height}[@2x].{format}` (autofit path -- see below)
   - The static image endpoints additionally support following query parameters:

src/serve_rendered.js

@@ -408,15 +408,15 @@ module.exports = function(options, repo, params, id) {
       ':scale(' + SCALE_PATTERN + ')?\.:format([\\w]+)';
 
   var centerPattern =
-      util.format(':lon(%s),:lat(%s),:z(\\d+):bearing(,%s)?:pitch(,%s)?',
+      util.format(':lon(%s),:lat(%s),:z(\\d+)(@:bearing(%s)(,:pitch(%s))?)?',
                   FLOAT_PATTERN, FLOAT_PATTERN, FLOAT_PATTERN, FLOAT_PATTERN);
 
   app.get(util.format(staticPattern, centerPattern), function(req, res, next) {
     var z = req.params.z | 0,
         x = +req.params.lon,
         y = +req.params.lat,
-        bearing = +((req.params.bearing || ',0').substring(1)),
-        pitch = +((req.params.pitch || ',0').substring(1)),
+        bearing = +(req.params.bearing || '0'),
+        pitch = +(req.params.pitch || '0'),
         w = req.params.width | 0,
         h = req.params.height | 0,
         scale = getScale(req.params.scale),