Minimal radius for highlighted points.

TargetProcess · Dec 9, 2016 · ca976dc · ca976dc
1 parent 1d774b7
commit ca976dc
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/elements/element.path.base.js b/src/elements/element.path.base.js
@@ -355,19 +355,21 @@ const BasePath = {
         const cssClass = 'i-data-anchor';
         const screenModel = this.node().screenModel;
         const showOnHover = this.node().config.guide.showAnchors === 'hover';
+        const rmin = 3; // Min highlight radius
+        const rx = 1.25; // Highlight multiplier
         var anchors = this.node()
             .config
             .options
             .container
             .selectAll(`.${cssClass}`)
             .attr({
                 r: (showOnHover ?
-                    ((d) => filter(d) ? (screenModel.size(d) / 2) : 0) :
+                    ((d) => filter(d) ? Math.max(rmin, (screenModel.size(d) / 2)) : 0) :
                     ((d) => {
                         // NOTE: Highlight point with larger radius.
                         var r = screenModel.size(d) / 2;
                         if (filter(d)) {
-                            return Math.ceil(r * 1.25);
+                            r = Math.max(rmin, Math.ceil(r * rx));
                         }
                         return r;
                     })