d.fromGeoTIFF(tt);
            colorScale = chroma.scale('OrRd').domain([geo.range[1], geo.range[0]]);

            dtm = L.canvasLayer.scalarField(geo).addTo(map);

//
//            console.log("depth:" + depth.toString());
//            console.log("ctype:" + ctype.toString());
//            console.log("mean:" + ss.mean(data).toString());
//            console.log("median:" + ss.median(data).toString());
//            console.log(data)
        };

        xhr.send();


    }


</script>
</body>
</html>