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5 years ago · a5fcce735a
parent 7e6324974b
commit a5fcce735a
1 changed files with 2 additions and 0 deletions
--- a/jsGraphics/circleJSON.js
+++ b/jsGraphics/circleJSON.js
@ -7,11 +7,13 @@ var jsonCircles = [
                                       .attr("width", 200)
                                        .attr("height", 200);
    
+    // build the circles
    var circles = svgContainer.selectAll("circle")
                             .data(jsonCircles) //place holder 
                             .enter() //reference
                              .append("circle"); //3 circles
    
+    // map json key to attributes (cx,cy,r,fill)
    var circleAttributes = circles
                           .attr("cx", function (d) { return d.x_axis; })
                           .attr("cy", function (d) { return d.y_axis; })