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app_finish.js
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228 lines (175 loc) · 5.6 KB
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/* ------------------------------
初期設定：変数
------------------------------ */
var index_num = 0;
var dpcdata;
var tip;
/* ------------------------------
初期設定：ビューポート
------------------------------ */
var _width = 750;
var _height = 400;
var margin = {top: 40, right: 40, bottom: 40, left: 40},
g_width = _width - margin.left - margin.right,
g_height = _height - margin.top - margin.bottom;
var svgContainer = d3.select("#chart").append("svg")
.attr("width", _width)
.attr("height", _height);
var axisContainer = svgContainer.append("g")
.attr("class", "axis")
.attr("transform", "translate(0, 0)");
var chartContainer = svgContainer.append("g")
.attr("class", "chart")
.attr("transform", "translate(0, 0)");
/* ------------------------------
初期設定：スケール
------------------------------ */
var xScale = d3.scale.linear()
.range([margin.left, g_width + margin.right]);
var yScale = d3.scale.linear()
.range([g_height + margin.top, margin.top]);
/* ------------------------------
初期設定：軸
------------------------------ */
var xAxis = d3.svg.axis()
.scale(xScale)
.orient("bottom")
.ticks(10);
var yAxis = d3.svg.axis()
.scale(yScale)
.orient("left");
/* ------------------------------
初期設定：ナビゲーション
------------------------------ */
var xAxisOptions = ["2007年", "2008年", "2009年", "2010年", "2011年", "2012年"];
function updateMenus() {
d3.select('#year-menu')
.selectAll('li')
.classed('selected', function(d) {
return d === xAxisOptions[index_num];
});
}
d3.select('#year-menu')
.selectAll('li')
.data(xAxisOptions)
.enter()
.append('li')
.attr("font-family", "sans-serif")
.attr("font-size", "10px")
.attr("fill", "#000")
.text(function(d) {return d;})
.classed('selected', function(d) {
return d === xAxisOptions[index_num];
})
.on('mouseover', function(d) {
document.body.style.cursor = "pointer";
})
.on('mouseout', function(d) {
document.body.style.cursor = "default";
})
.on('click', function(d) {
updateMenus();
index_num = xAxisOptions.indexOf(d);
drawChart();
});
/* ------------------------------
外部ファイルの読み込み
------------------------------ */
queue()
.defer(d3.json, "data/hospitals.json")
.await(parseData);
function parseData(_error, _data) {
dpcdata = _data;
for (var i=0; i<xAxisOptions.length; i++){
dpcdata.forEach(function(d) {
d.hospital_days[i][1] = +d.hospital_days[i][1];
d.id = +d.id;
});
}
/* スケール設定 */
xScale.domain([0, 50]); //hospital_days...在院日数
yScale.domain([0, 900]); //patient_count
drawTips();
drawAxis();
drawChart();
}
/* ------------------------------
描画：チャート
------------------------------ */
function drawChart() {
var circles = chartContainer.selectAll(".dot").data( dpcdata );
circles.enter()
.append("circle")
.attr("class", "dot")
.attr("r", 3)
.attr("cx", function(d) {
return xScale(d.hospital_days[index_num][1]);
})
.attr("cy", function(d) {
return yScale(d.patient_count[index_num][1]);
})
.style("fill", function(d) { return "#000"; })
.on('mouseover', tip.show)
.on('mouseout', tip.hide);
circles.transition()
.duration(1000)
.attr("cx", function(d) {
return xScale(d.hospital_days[index_num][1]);
})
.attr("cy", function(d) {
return yScale(d.patient_count[index_num][1]);
})
.attr("r", 3)
.style("fill", "#000");
circles.exit()
.style('opacity', '1.0')
.transition()
.duration(500)
.style('opacity', '0.0')
.remove();
};
/* ------------------------------
描画：軸
------------------------------ */
function drawAxis() {
var xaxisdraw = axisContainer.append("g")
.attr("class", "x-axis")
.attr("transform", "translate(0, " + (margin.top + g_height) + ")")
.call(xAxis)
.append("text")
.attr("class", "axis-label")
.attr("x", g_width + margin.right)
.attr("y", -10)
.style("text-anchor", "end")
.attr("font-family", "sans-serif")
.attr("font-size", "12px")
.attr("fill", "#000")
.text("平均在院日数");
var yaxisdraw = axisContainer.append("g")
.attr("class", "y-axis")
.attr("transform", "translate("+ margin.left + ", 0)")
.call(yAxis)
.append("text")
.attr("class", "axis-label")
.attr("transform", "rotate(-90)")
.attr("x", -1 * margin.top)
.attr("y", 10)
.attr("dy", ".71em")
.style("text-anchor", "end")
.attr("font-family", "sans-serif")
.attr("font-size", "12px")
.attr("fill", "#000")
.text("患者数");
};
/* ------------------------------
描画：ツールチップ
------------------------------ */
function drawTips() {
tip = d3.tip()
.attr('class', 'd3-tip')
.offset([-10, 0])
.html(function(d) {
return "<span style='color:white'>" + d.name + ": " + d.hospital_days[index_num][1] + "日／" + d.patient_count[index_num][1] + "人" + "</span>";
});
svgContainer.call(tip);
};