shape test

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<!DOCTYPE html>
<meta charset="utf-8">
<style>

body {
  font: 10px sans-serif;
}

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
}

.point {
  fill: steelblue;
  stroke: #000;
}

</style>
<body>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>

var margin = {top: 20, right: 20, bottom: 30, left: 40},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var x = d3.scale.linear()
    .range([0, width]);

var y = d3.scale.linear()
    .range([height, 0]);
  
// setup x 
var xValue = function(d) { return d.Calories;}, // data -> value
    xScale = d3.scale.linear().range([0, width]), // value -> display
    xMap = function(d) { return xScale(xValue(d));}, // data -> display
    xAxis = d3.svg.axis().scale(xScale).orient("bottom");

// setup y
var yValue = function(d) { return d["Protein (g)"];}, // data -> value
    yScale = d3.scale.linear().range([height, 0]), // value -> display
    yMap = function(d) { return yScale(yValue(d));}, // data -> display
    yAxis = d3.svg.axis().scale(yScale).orient("left");

// setup fill color
var cValue = function(d) { return d.Manufacturer;},
    color = d3.scale.category10();
  
var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

d3.csv("data.csv", function(error, data) {
  if (error) throw error;

// Coerce the strings to numbers.
  data.forEach(function(d) {
    d.x = +d.x;
    d.y = +d.y;
  });

// Compute the scales’ domains.
  x.domain(d3.extent(data, function(d) { return d.x; })).nice();
  y.domain(d3.extent(data, function(d) { return d.y; })).nice();

// Add the x-axis.
  svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(d3.svg.axis().scale(x).orient("bottom"));

// Add the y-axis.
  svg.append("g")
      .attr("class", "y axis")
      .call(d3.svg.axis().scale(y).orient("left"));

// Add the points!
  svg.selectAll(".point")
      .data(data)
    .enter().append("path")
      .attr("class", "point")
      .attr("d", d3.svg.symbol().type("triangle-up"))
      .attr("transform", function(d) { return "translate(" + x(d.x) + "," + y(d.y) + ")"; });
});

</script>

https://d3js.org/d3.v3.min.js