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xxxxxxxxxx<head> <meta charset="utf-8"> <script src="https://d3js.org/d3.v4.min.js"></script> <style> body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; } .leaf { isolation: isolate; } .elements { mix-blend-mode: multiply; } </style></head><body> <script> const width = 960; const height = 500; var svg = d3.select("body").append("svg") .attr("width", 960) .attr("height", 500) // data array to work with let datum = d3.range(2); // the below area let belowArea = d3.area() .x((d) => { return d.x; }) .y1((d) => { return d.y; }) .y0((d) => { return 0; }) .curve(d3.curveBasis); // the above area let aboveArea = d3.area() .x((d) => { return d.x; }) .y1((d) => { return -d.y; }) .y0((d) => { return 0; }) .curve(d3.curveBasis); let data = [{x:0, y:0}, {x:40, y:30}, {x:120, y:0}, {x:40, y:-30}, {x:0, y:0} ] let dataViz = [{x:0, y:0}, {x:40, y:30}, {x:120*50/100, y:0}, {x:40, y:-30}, {x:0, y:0} ]; let defs = svg.append("defs"); // linear gradient let linearGrad = defs .append('linearGradient') .attr('id', 'lgrad'); linearGrad .attr('x1', '0%') .attr('y1', '0%') .attr('x2', '100%') .attr('y2', '0%') // appending color to our gardient linearGrad .append("stop") .attr('offset', '0%') .attr('stop-color', d3.rgb('blue').brighter(0.5)) linearGrad .append("stop") .attr('offset', '50%') .attr('stop-color', 'blue') linearGrad .append("stop") .attr('offset', '50%') .attr('stop-color', '#eee') linearGrad .append("stop") .attr('offset', '100%') .attr('stop-color', d3.rgb('#eee').darker(0.6)) // radial grad let rgGrad = defs.append('radialGradient') .attr('id', 'rgrad') .attr("cx", "50%") .attr("cy", "50%") .attr("r", "100%"); // setup colors for r grad rgGrad.append("stop") .attr("offset", "0%") .attr("stop-color", 'blue'); rgGrad.append("stop") .attr("offset", "20%") .attr("stop-color", "#eee"); rgGrad.append("stop") .attr("offset", "50%") .attr("stop-color", "#eee"); let g = svg.append('g') .attr('transform', 'translate(' + width/2 + ',' + height/2 + ')'); // g.selectAll('leaf') .data(datum) .enter() .append('g') .classed('leaf', true) .attr('transform', function (d, i) { return 'rotate(' + (180 * i / datum.length) + ') rotate(-135) '; }); d3.selectAll('.leaf') .append('path') .datum(data) .attr('d', belowArea) .classed('elements', true) .style('fill', '#eee'); // data viz d3.selectAll('.leaf') .append('path') .datum(dataViz) .attr('d', belowArea) .classed('elements', true) .style('fill', 'blue'); /* d3.selectAll('.leaf') .append('path') .datum(dataViz) .attr('d', aboveArea) .classed('elements', true) .style('fill', 'blue') */ g.append('circle') //.attr('cx',) //.attr('cy',) .style('fill', '#555') .classed('elements', true) .attr('r', 5) g.append('path') .attr('d', 'M0,6 L0,15 L5,30') .style('stroke', '#555') .style('fill', 'none') .style('stroke-width', 1.5) .style('stroke-linecap', 'round') .classed('elements', true) .curve(d3.curveBasis); </script></body> https://d3js.org/d3.v4.min.js