source: issm/oecreview/Archive/19101-20495/ISSM-20484-20485.diff

../trunk-jpl/src/m/plot/webgl.js

@@ -341 +341 @@
                 canvas.rotation[1] += degrees((canvas.lastDeltaY - ev.deltaY) / canvas.clientHeight / canvas.zoomFactor * -2);
                 
                 if (canvas.rotation[0] > 360) {canvas.rotation[0] -= 360};
-                if (canvas.rotation[0] < 0) {canvas.rotation[0] += 360};
+                if (canvas.rotation[0] < -360) {canvas.rotation[0] += 360};
                 if (canvas.rotation[1] > 180) {canvas.rotation[1] -= 360};
                 if (canvas.rotation[1] < -180) {canvas.rotation[1] += 360};