Use cached diagram more often

mibpov.js

@@ -1033,7 +1033,7 @@ function selectPoint(point) {
 				return [true, true];
 			}
 			elem.selected = "selected";
-			draw(true);
+			draw(false);
 			updateWidgetStates();
 			return [true, false];
 		}
@@ -1394,32 +1394,32 @@ inputBiomeName.oninput = function() {
 /* Diagram view settings events */
 
 inputViewY.oninput = function() {
-	draw(true);
+	draw(false);
 	updateAltitudeText();
 }
 inputCheckboxNames.onchange = function() {
 	showNames = this.checked;
-	draw(true);
+	draw(false);
 }
 inputCheckboxPoints.onchange = function() {
 	showPoints = this.checked;
-	draw(true);
+	draw(false);
 }
 inputCheckboxCellColors.onchange = function() {
 	showCellColors = this.checked;
-	draw(true);
+	draw(false);
 }
 inputCheckboxGrid.onchange = function() {
 	showGrid = this.checked;
-	draw(true);
+	draw(false);
+}
+inputCheckboxAxes.onchange = function() {
+	showAxes = this.checked;
+	draw(false);
 }
 
 /* Noise parameters events */
 
-inputCheckboxAxes.onchange = function() {
-	showAxes = this.checked;
-	draw(true);
-}
 inputNoiseHeatScale.oninput = function() {
 	noises.heat.scale = +this.value;
 	clear();