jacksonhenry3/index.html

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

body {
  font: 10px sans-serif;
}

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

.area {
  fill: lightsteelblue;
}

.line {
  fill: none;
  stroke: steelblue;
  stroke-width: 1.5px;
}

.dot {
  fill: green;
  stroke: steelblue;
  stroke-width: 1.5px;
}

</style>
<body>
<script src="http://d3js.org/d3.v2.js"></script>
<script>
xcoef = prompt("choose the 'a' in sin(a*t)",1);
ycoef = prompt("choose the 'b' in cos(b*t)",1)

var data = d3.range(0,10*Math.PI,.001).map(function(i) {
  return {x: Math.sin(xcoef*i) , y: (Math.cos(ycoef*i))};
});

var margin = {top: 10, right: 10, bottom: 20, left: 40},
    width = 600 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var x = d3.scale.linear()
    .domain([-1.5, 1.5])
    .range([0, width]);

var y = d3.scale.linear()
    .domain([-1.5, 1.5])
    .range([height, 0]);

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");

var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left");

var line = d3.svg.line()
    .x(function(d) { return x(d.x); })
    .y(function(d) { return y(d.y); });


var svg = d3.select("body").append("svg")
    .datum(data)
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");


svg.append("g")
    .attr("class", "x axis")
    .attr("transform", "translate(0," + height + ")")
    .call(xAxis);

svg.append("g")
    .attr("class", "y axis")
    .call(yAxis);

svg.append("path")
    .attr("class", "line")
    .attr("d", line);

svg.selectAll(".dot")
    .data(data.filter(function(d) { return d.y; }))
    .attr("r", 3.5);
d3.select(self.frameElement).style("height", "500px");
d3.select(self.frameElement).style("width", "600px");
</script>
	<!DOCTYPE html>
	<meta charset="utf-8">
	<style>

	body {
	font: 10px sans-serif;
	}

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

	.area {
	fill: lightsteelblue;
	}

	.line {
	fill: none;
	stroke: steelblue;
	stroke-width: 1.5px;
	}

	.dot {
	fill: green;
	stroke: steelblue;
	stroke-width: 1.5px;
	}

	</style>
	<body>
	<script src="http://d3js.org/d3.v2.js"></script>
	<script>
	xcoef = prompt("choose the 'a' in sin(a*t)",1);
	ycoef = prompt("choose the 'b' in cos(b*t)",1)

	var data = d3.range(0,10*Math.PI,.001).map(function(i) {
	return {x: Math.sin(xcoefi) , y: (Math.cos(ycoefi))};
	});

	var margin = {top: 10, right: 10, bottom: 20, left: 40},
	width = 600 - margin.left - margin.right,
	height = 500 - margin.top - margin.bottom;

	var x = d3.scale.linear()
	.domain([-1.5, 1.5])
	.range([0, width]);

	var y = d3.scale.linear()
	.domain([-1.5, 1.5])
	.range([height, 0]);

	var xAxis = d3.svg.axis()
	.scale(x)
	.orient("bottom");

	var yAxis = d3.svg.axis()
	.scale(y)
	.orient("left");

	var line = d3.svg.line()
	.x(function(d) { return x(d.x); })
	.y(function(d) { return y(d.y); });



	var svg = d3.select("body").append("svg")
	.datum(data)
	.attr("width", width + margin.left + margin.right)
	.attr("height", height + margin.top + margin.bottom)
	.append("g")
	.attr("transform", "translate(" + margin.left + "," + margin.top + ")");


	svg.append("g")
	.attr("class", "x axis")
	.attr("transform", "translate(0," + height + ")")
	.call(xAxis);

	svg.append("g")
	.attr("class", "y axis")
	.call(yAxis);

	svg.append("path")
	.attr("class", "line")
	.attr("d", line);

	svg.selectAll(".dot")
	.data(data.filter(function(d) { return d.y; }))
	.attr("r", 3.5);
	d3.select(self.frameElement).style("height", "500px");
	d3.select(self.frameElement).style("width", "600px");
	</script>