       for ( var i = 0; i < numBoxes; i++){
                for (var j = 0; j < numBoxes; j++){
                    dataset.push([i, j, Math.random()])
                }

            };
            
            console.log(dataset)


            var bg = "https://s3-us-west-1.amazonaws.com/riot-api/img/minimap-ig.png";

            var svg = d3.select('body')
                         .append('svg')
                         .attr('width', w)
                         .attr('height', h);

            svg.appen