BillyBHWong/.block

## .block
license: mit

## README.md

      
    Raw
  

              README.md
            
          
    Built with blockbuilder.org
forked from mostaphaRoudsari's block: 04_workshop_interactive circles

  
## index.html
<!DOCTYPE html>

<head>
	<title>d3js workshop - circles 2</title>
	<script src="http://d3js.org/d3.v3.js"></script> <!-- import D3 library -->
</head>

<body>

	<script type="text/javascript">
		// this is a modified version of Mike's example here: http://bost.ocks.org/mike/circles/

		// first let's draw 3 circles
		// this is how a circle looks like
		// <circle cx="40" cy="60" r="10"></circle>

		// and this is what we want to create to get started
		/*
		<svg width="720" height="120">
  			<circle cx="40" cy="60" r="10"></circle>
  			<circle cx="80" cy="60" r="10"></circle>
  			<circle cx="120" cy="60" r="10"></circle>
		</svg>
		*/

		// first we need to add an svg element to body
		svg = d3.select('body')
			.append('svg')
			.attr('width', '720px')
			.attr('height', '120px');

		// now let's append 3 circles to svg
		// I will use a data list with length of 3
		var data = [10, 20, 30];

		var circles = svg.selectAll('circle')
						.data(data)
						.enter()
						.append('circle')
							.attr('r', 10)
							.attr('cy', 60)
							.attr('cx', function(d){ return 4 * d});

		// This is from example 03
		circles.transition()
			.delay(function(d, i){return i * 1000})
			.duration(2000)
			.style('fill', 'red')
			.attr('r', '15')
			.attr('cy', '80');

		// let's make the circles to go back to where they came from
		// aka let's learn how to assign events in d3
		circles.on("mouseover", function(d){
			// say hi to the confusing 'this' in javascript
			var circle = this;

			// set duration to make it pretty
			d3.select(circle)
				.style('fill', 'black')
				.attr('r', '10')
				.attr('cy', '60');
		})

    circles.on('click', function(d){
       var circle = this;

       d3.select(circle)
       .attr('r','0')
     })
		// also add click event to disappear the circles
		// tip use on('click', function(d){'write the function here!'})

	</script>
</body>
	<!DOCTYPE html>

	<head>
	<title>d3js workshop - circles 2</title>
	<script src="http://d3js.org/d3.v3.js"></script> <!-- import D3 library -->
	</head>

	<body>

	<script type="text/javascript">
	// this is a modified version of Mike's example here: http://bost.ocks.org/mike/circles/

	// first let's draw 3 circles
	// this is how a circle looks like
	// <circle cx="40" cy="60" r="10"></circle>

	// and this is what we want to create to get started
	/*
	<svg width="720" height="120">
	<circle cx="40" cy="60" r="10"></circle>
	<circle cx="80" cy="60" r="10"></circle>
	<circle cx="120" cy="60" r="10"></circle>
	</svg>
	*/

	// first we need to add an svg element to body
	svg = d3.select('body')
	.append('svg')
	.attr('width', '720px')
	.attr('height', '120px');

	// now let's append 3 circles to svg
	// I will use a data list with length of 3
	var data = [10, 20, 30];

	var circles = svg.selectAll('circle')
	.data(data)
	.enter()
	.append('circle')
	.attr('r', 10)
	.attr('cy', 60)
	.attr('cx', function(d){ return 4 * d});

	// This is from example 03
	circles.transition()
	.delay(function(d, i){return i * 1000})
	.duration(2000)
	.style('fill', 'red')
	.attr('r', '15')
	.attr('cy', '80');

	// let's make the circles to go back to where they came from
	// aka let's learn how to assign events in d3
	circles.on("mouseover", function(d){
	// say hi to the confusing 'this' in javascript
	var circle = this;

	// set duration to make it pretty
	d3.select(circle)
	.style('fill', 'black')
	.attr('r', '10')
	.attr('cy', '60');
	})

	circles.on('click', function(d){
	var circle = this;

	d3.select(circle)
	.attr('r','0')
	})
	// also add click event to disappear the circles
	// tip use on('click', function(d){'write the function here!'})

	</script>
	</body>