<p>note while the <code>grid_renderer</code> in Mapnik is available in C++ the actual encoding to json with utf8 characters is currently done in python/node.js and still needs a pure C++ api: <a href="https://github.com/mapnik/mapnik/issues/1197" class="issue-link" title="offer grid encoding api in core">mapnik/mapnik#1197</a></p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br>Reply to this email directly or <a href='https://github.com/openstreetmap/mod_tile/issues/34#issuecomment-19779026'>view it on GitHub</a>.<img src='https://github.com/notifications/beacon/g8smGCFOcVLF28Q-xX3zcU3J5gQqpslbAGZZZbQkPPuSUm_BqEqrCDE-FkMQQa7X.gif' height='1' width='1'></p>