use set canvasHEADmaster

1 files changed, 1 insertions, 0 deletions

diff --git a/index.html b/index.html
index 6f4562d..3d1741f 100644
--- a/index.html
+++ b/index.html
@@ -28,6 +28,7 @@ Angle: <input type="number" value="-45" step="any" id="angleControl" />
   <option value="putWave">Place Plane Wave</option>
   <option value="putAtom">Place Atom</option>
 </select>
+<canvas id="canvas" />
 </p>
   </body>
 </html>