Add an option to adjust the density of scale lines

macrovision.js

@@ -2301,6 +2301,31 @@ const settingsData = {
             }
         }
     },
+    "axis-spacing": {
+        name: "Axis Spacing",
+        desc: "How frequent the axis lines are",
+        type: "select",
+        default: "standard",
+        options: [
+            "dense",
+            "standard",
+            "sparse"
+        ],
+        get value() {
+            return config.axisSpacing;
+        },
+        set value(param) {
+            config.axisSpacing = param;
+            const factor = {
+                "dense": 0.5,
+                "standard": 1,
+                "sparse": 2
+            }[param];
+            config.minLineSize = factor * 100;
+            config.maxLineSize = factor * 150;
+            updateSizes();
+        }
+    },
     "solid-ground": {
         name: "Ground",
         desc: "Draw solid ground at the y=0 line",