Rade-Mathis/.block

## .block
license: wtfpl

## README.md

      
    Raw
  

              README.md
            
          
    Built with blockbuilder.org
forked from romsson's block: simple line chart from dataset
forked from Rade-Mathis's block: TP3-p1
forked from Rade-Mathis's block: TP3-p3-1

  
## dataset.json
[{"name": "A", "value": 10, "date": "2016-01"},
 {"name": "B", "value": 30, "date": "2016-02"},
 {"name": "C", "value": 20, "date": "2016-03"},
 {"name": "D", "value": 40, "date": "2016-04"},
 {"name": "E", "value": 50, "date": "2016-05"},
 {"name": "F", "value": 20, "date": "2016-06"},
 {"name": "G", "value": 10, "date": "2016-07"}
]

## index.html
<!DOCTYPE html>
<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; }

		svg {
  		font: 10px sans-serif;
		}

    .line {
      fill: none;
      stroke: black;
      stroke-width: 2.5px;
    }
  </style>
</head>

<body>
  <script>

    var margin = {top: 20, right: 70, bottom: 20, left: 100};
    var width = 760 - margin.left - margin.right;
    var height = 150 - margin.top - margin.bottom;

    // See formats http://bl.ocks.org/zanarmstrong/raw/05c1e95bf7aa16c4768e/
    // Data sample {"name": "G", "value": 10, "date": "2016-07"}
    var parseDate = d3.timeParse("%b %Y");
    var displayDate = d3.timeFormat("%y");
    var displayValue = d3.format(",.0f");

    // Ordinal scale
    var x = d3.scaleTime()
        .range([0, width]);

		// Linear scale
    var y = d3.scaleLinear()
        .range([height, 0]);

    var color = d3.scaleOrdinal(d3.schemeCategory10);

    var area = d3.area()
    	.curve(d3.curveBasis)
    	.x(function(d) { return x(d.date); })
    	.y0(height)
    	.y1(function(d) { return y(d.price); });

    d3.text(
      "https://gist.githubusercontent.com/mbostock/1256572/raw/44c086a6019de56dce35a47197a19468b3e4ad57/stocks.csv",
      function (err,rawData) {

        var dsv  = d3.dsvFormat (',') ;
        var data = dsv.parse (rawData) ;
        data.forEach(function(d) {
					d.price = +d.price;
        	d.date = parseDate(d.date);
      	});
        var n_data = d3.nest ()
        	.key (function (d) { return d.symbol ; })
        	.entries (data) ;

				n_data.forEach (function (act) {
          act.max_price = d3.max (act.values,
                                  function (d) { return d.price ; })
          /*act.values.forEach (function (val, i_val) {
            var price = val.price ;
            var lower_price = 0 ;
            n_data.forEach (function (other_act) {
              var other_price = other_act.values[i_val].price ;
              if (other_price < price) {
                lower_price = Math.max (lower_price, other_price) ;
              }
            })
            val.lower_price = lower_price ;
          })*/
        });

        console.log(n_data);

        svg = d3.select("body").selectAll("svg")
    			.data (n_data)
        	.enter().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 + ")");

        //var g = svg.append("g");

     	  x.domain(d3.extent(data, function(d) { return d.date; }));
			  y.domain([0, d3.max(data, function(d) { return d.price; })]);

    		svg.append("g")
        	.attr("class", "axis axis--x")
       	 	.attr("transform", "translate(0," + height + ")")
       	 	.call(d3.axisBottom(x));

      	svg.append("g")
        	.attr("class", "axis axis--y")
        	.attr("transform", "translate(0,0)")
        	.call(d3.axisLeft(y).ticks(5));

     		svg.append("path")
          .attr("class", "area")
        	.attr("d", function (d) { return area (d.values) } )
      		.attr("fill", function(d,i) { return color (d.key) ; })
        	.attr("transform", "translate(1,0)"); // don't overlap legend ...

      	var legend = svg.append("g")
    			.data(color.domain())
  				//.enter().append("g")
  		  	.attr("class", "legend")
  		  	.attr("transform", "translate("+ (width - 10) + ","
                + (height / 2) + ")") ;

  			legend.append("rect")
     			.attr("x", 30)
     			.attr("width", 18)
     			.attr("height", 18)
     			.style("fill", color);

 				legend.append("text")
      		.attr("x", 50)
      		.attr("y", 9)
      		.attr("dy", ".35em")
      		.style("text-anchor", "start")
      		.text(function(d) { return d; });

    });

  </script>
</body>
	[{"name": "A", "value": 10, "date": "2016-01"},
	{"name": "B", "value": 30, "date": "2016-02"},
	{"name": "C", "value": 20, "date": "2016-03"},
	{"name": "D", "value": 40, "date": "2016-04"},
	{"name": "E", "value": 50, "date": "2016-05"},
	{"name": "F", "value": 20, "date": "2016-06"},
	{"name": "G", "value": 10, "date": "2016-07"}
	]
	<!DOCTYPE html>
	<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; }

	svg {
	font: 10px sans-serif;
	}

	.line {
	fill: none;
	stroke: black;
	stroke-width: 2.5px;
	}
	</style>
	</head>

	<body>
	<script>

	var margin = {top: 20, right: 70, bottom: 20, left: 100};
	var width = 760 - margin.left - margin.right;
	var height = 150 - margin.top - margin.bottom;

	// See formats http://bl.ocks.org/zanarmstrong/raw/05c1e95bf7aa16c4768e/
	// Data sample {"name": "G", "value": 10, "date": "2016-07"}
	var parseDate = d3.timeParse("%b %Y");
	var displayDate = d3.timeFormat("%y");
	var displayValue = d3.format(",.0f");

	// Ordinal scale
	var x = d3.scaleTime()
	.range([0, width]);

	// Linear scale
	var y = d3.scaleLinear()
	.range([height, 0]);

	var color = d3.scaleOrdinal(d3.schemeCategory10);

	var area = d3.area()
	.curve(d3.curveBasis)
	.x(function(d) { return x(d.date); })
	.y0(height)
	.y1(function(d) { return y(d.price); });

	d3.text(
	"https://gist.githubusercontent.com/mbostock/1256572/raw/44c086a6019de56dce35a47197a19468b3e4ad57/stocks.csv",
	function (err,rawData) {

	var dsv = d3.dsvFormat (',') ;
	var data = dsv.parse (rawData) ;
	data.forEach(function(d) {
	d.price = +d.price;
	d.date = parseDate(d.date);
	});
	var n_data = d3.nest ()
	.key (function (d) { return d.symbol ; })
	.entries (data) ;

	n_data.forEach (function (act) {
	act.max_price = d3.max (act.values,
	function (d) { return d.price ; })
	/*act.values.forEach (function (val, i_val) {
	var price = val.price ;
	var lower_price = 0 ;
	n_data.forEach (function (other_act) {
	var other_price = other_act.values[i_val].price ;
	if (other_price < price) {
	lower_price = Math.max (lower_price, other_price) ;
	}
	})
	val.lower_price = lower_price ;
	})*/
	});

	console.log(n_data);

	svg = d3.select("body").selectAll("svg")
	.data (n_data)
	.enter().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 + ")");

	//var g = svg.append("g");

	x.domain(d3.extent(data, function(d) { return d.date; }));
	y.domain([0, d3.max(data, function(d) { return d.price; })]);

	svg.append("g")
	.attr("class", "axis axis--x")
	.attr("transform", "translate(0," + height + ")")
	.call(d3.axisBottom(x));

	svg.append("g")
	.attr("class", "axis axis--y")
	.attr("transform", "translate(0,0)")
	.call(d3.axisLeft(y).ticks(5));

	svg.append("path")
	.attr("class", "area")
	.attr("d", function (d) { return area (d.values) } )
	.attr("fill", function(d,i) { return color (d.key) ; })
	.attr("transform", "translate(1,0)"); // don't overlap legend ...

	var legend = svg.append("g")
	.data(color.domain())
	//.enter().append("g")
	.attr("class", "legend")
	.attr("transform", "translate("+ (width - 10) + ","
	+ (height / 2) + ")") ;

	legend.append("rect")
	.attr("x", 30)
	.attr("width", 18)
	.attr("height", 18)
	.style("fill", color);

	legend.append("text")
	.attr("x", 50)
	.attr("y", 9)
	.attr("dy", ".35em")
	.style("text-anchor", "start")
	.text(function(d) { return d; });

	});

	</script>
	</body>