Built with blockbuilder.org
forked from molliemarie's block: FirstScatterPlot_UFOSightings_Starter
license: mit |
Built with blockbuilder.org
forked from molliemarie's block: FirstScatterPlot_UFOSightings_Starter
<!DOCTYPE html> | |
<meta charset="utf-8"> | |
<script src="https://d3js.org/d3.v5.min.js"></script> | |
<!-- CSS --> | |
<style type="text/css"> | |
svg { | |
border:1px solid #f0f; | |
} | |
.axis line { | |
stroke-width:1px; | |
stroke: #ccc; | |
stroke-dasharray: 2px 2px; | |
} | |
.axis text { | |
font-size: 12px; | |
fill: #777; | |
} | |
.axis path { | |
display: none; | |
} | |
.ufoGroup text { | |
fill: #aaa; | |
font-size: 11px | |
} | |
.ufoCircle { | |
fill: limegreen | |
} | |
/*NEW CSS GOES HERE*/ | |
</style> | |
<!-- //HTML --> | |
<body> | |
<div id='titleDiv'></div> | |
</body> | |
<!-- //JavaScript --> | |
<script> | |
//*****defining variables***** | |
const margin = {top: 20, right: 30, bottom: 20, left: 30}; | |
const outerWidth = 700; | |
const outerHeight = 300; | |
const innerWidth = outerWidth - margin.left - margin.right | |
const innerHeight = outerHeight - margin.top - margin.bottom | |
const radius = 10; | |
const parseTime = d3.timeParse("%m/%Y"); | |
d3.select('#titleDiv') | |
.append('h1') | |
.attr('id', 'titleText') | |
.text('UFO Sightings in 2018') | |
//***** loading data using d3-fetch ***** | |
d3.csv("https://raw.githubusercontent.com/molliemarie/MSIA-D3Course-2019/master/Projects%26Exercises/FirstCompleteScatter/data/ufo.csv", function(d) { | |
return { | |
date: d.date, | |
count: +d.count, | |
month: +d.date.split('/')[0], | |
parsedDate: parseTime(d.date), | |
year: parseTime(d.date).getYear() + 1900 | |
}; | |
}).then(ready); | |
//***** After data loaded, calls ready function ***** | |
function ready(fullData) { | |
//***** filter data to look at just 2018 ***** | |
const startData = fullData.filter(function(d) { return d.year == 2018}) | |
//***** Define inner and outer SVGs ***** | |
//***** reference: https://bl.ocks.org/mbostock/3019563 ***** | |
const SVG = d3.select('body').append('svg') | |
.attr('width', outerWidth) | |
.attr('height', outerHeight) | |
const svg = SVG.append('g') | |
.attr("transform", "translate(" + margin.left + "," + margin.top + ")"); | |
//***** set scales and axes ***** | |
const xScale = d3.scaleTime() | |
.domain(d3.extent(startData, function(d) { return d.parsedDate})) | |
.range([0, innerWidth]) | |
const yScale = d3.scaleLinear() | |
.domain([0,500]) | |
.range([innerHeight, 0]); | |
const xAxis = d3.axisBottom(xScale) | |
.tickSize(-innerHeight); | |
const yAxis = d3.axisLeft(yScale) | |
.tickSize(-innerWidth); | |
const xAxisGroup = svg.append('g') | |
.attr('class', 'x axis') | |
.attr("transform", "translate(0," + innerHeight + ")") | |
.call(xAxis); | |
const yAxisGroup = svg.append('g') | |
.attr('class', 'y axis') | |
.call(yAxis) | |
//***** Define ufoGroup ***** | |
const ufoGroup = svg.selectAll('.ufoGroup') | |
.data(startData) | |
.enter().append('g') | |
.attr('class', 'ufoGroup') | |
.attr('transform', function(d) { return 'translate(' + xScale(d.parsedDate) + ',' + yScale(d.count) + ')'}) | |
//***** append circles to ufoGroup ***** | |
ufoGroup.append('circle') | |
.attr('class', 'ufoCircle') | |
.attr('r', radius) | |
// .style('fill', 'limegreen') | |
//***** append text to ufoGroup ***** | |
ufoGroup.append('text') | |
.attr('class', 'ufoText') | |
.attr('dx', radius) | |
.attr('dy', -radius) | |
.text(function(d) { return d.count;}) | |
} | |
</script> |