インストール
# yum install mongodb # yum install mongodb-server
サーバー起動
# systemctl start mongod
自動起動を有効にする
# systemctl enable mongod
# yum install mongodb # yum install mongodb-server
# systemctl start mongod
# systemctl enable mongod
> use test switched to db test
> db.stats()
{
"db" : "test",
"collections" : 0,
"objects" : 0,
"avgObjSize" : 0,
"dataSize" : 0,
"storageSize" : 0,
"numExtents" : 0,
"indexes" : 0,
"indexSize" : 0,
"fileSize" : 0,
"dataFileVersion" : {
},
"ok" : 1
}
> use test > db.dropDatabase()
> db.tbl1.insert({message:'hello', value:10})
WriteResult({ "nInserted" : 1 })
> db.tbl1.insert({message:'goodbye', value:20})
WriteResult({ "nInserted" : 1 })
> db.tbl1.find()
{ "_id" : ObjectId("59af8c93ce7c2c41694720f5"), "message" : "hello", "value" : 10 }
{ "_id" : ObjectId("59af8ca5ce7c2c41694720f6"), "message" : "goodbye", "value" : 20 }
> db.tbl1.find({"message":"hello"})
{ "_id" : ObjectId("59af8c93ce7c2c41694720f5"), "message" : "hello", "value" : 10 }
> db.tbl1.find({"value":{$gt:15}})
{ "_id" : ObjectId("59af8ca5ce7c2c41694720f6"), "message" : "goodbye", "value" : 20 }
> db.tbl1.find({"value":{$gte:10}})
{ "_id" : ObjectId("59af8c93ce7c2c41694720f5"), "message" : "hello", "value" : 10 }
{ "_id" : ObjectId("59af8ca5ce7c2c41694720f6"), "message" : "goodbye", "value" : 20 }
> db.tbl1.find({"message":"goodbye"})
{ "_id" : ObjectId("59af8ca5ce7c2c41694720f6"), "message" : "goodbye", "value" : 20 }
> db.tbl1.update({"message":"goodbye"},{$set:{"value":25}})
WriteResult({ "nMatched" : 1, "nUpserted" : 0, "nModified" : 1 })
> db.tbl1.find({"message":"goodbye"})
{ "_id" : ObjectId("59af8ca5ce7c2c41694720f6"), "message" : "goodbye", "value" : 25 }
> show dbs;
> use test switched to db test > show collections;
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script src="https://d3js.org/d3.v4.js"></script>
<link rel="stylesheet" type="text/css" href="./test1.css">
</head>
<body>
<svg width="960" height="500"></svg><br/>
<a href="test1.csv">下表をcsvファイルにしてダウンロード</a><br/>
<table></table>
</body>
<!-- 上記のsvg要素をJavaScript内で読み込むので、bodyより下にスクリプトのソースを定義する -->
<script src="./test1.js"></script>
</html>
test1.js
var svg = d3.select("svg"),
margin = {top: 20, right: 80, bottom: 30, left: 50},
width = svg.attr("width") - margin.left - margin.right,
height = svg.attr("height") - margin.top - margin.bottom,
g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var line = d3.line()
.x(function(d) { return x(d.month); })
.y(function(d) { return y(d.temperature); });
// X, Yの範囲を座標に置き換える
var x = d3.scaleLinear()
.range([0, width]);
var y = d3.scaleLinear()
.range([height, 0]);
// 色
var colors = d3.scaleOrdinal(d3.schemeCategory10);
console.log(colors(0))
console.log(colors(1))
console.log(colors(2))
console.log(colors(3))
// データファイルを読み込んでグラフを描く
d3.csv("test1.csv", type, function(error, data) {
if (error) throw error;
var cities = data.columns.slice(1).map(function(id) {
return {
id: id,
values: data.map(function(d) {
return {month: d.month, temperature: d[id]};
})
};
});
var keys = data.columns.slice(1);
console.log('keys=' + keys);
// Xの範囲はmonthの最小値から最大値
console.log('extent=' + d3.extent(data, function(d) { return d.month; }));
console.log('max=' + d3.max(data, function(d) { return d.month; }));
x.domain(d3.extent(data, function(d) {
return d.month
}));
console.log('x.domain()=' + x.domain())
console.log('x.range()=' + x.range())
// Yの範囲は各地のtemperatureをすべて含めた最小値から最大値
y_min = d3.min(cities, function(c) {
return d3.min(c.values, function(d) {
return d.temperature;
});
});
y_max = d3.max(cities, function(c) { return d3.max(c.values, function(d) { return d.temperature; }); });
console.log('y_min=' + y_min);
console.log('y_max=' + y_max);
y.domain([y_min, y_max]);
// X軸 (y=0の場所配置するためにtranslateでy(0)を指定する
g.append("g")
.attr("transform", "translate(0," + y(0) + ")")
.call(d3.axisBottom(x));
// Y軸
g.append("g")
.call(d3.axisLeft(y))
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", "0.71em")
.attr("fill", "#000")
.text("Temperature (℃)");
// line chartを描く
var city = g.selectAll(".city")
.data(cities)
.enter().append("g")
.attr("class", "city");
city.append("path")
.attr("d", function(d) {
return line(d.values);
})
.attr("stroke", function(d, i) {
console.log('d.id=' + d.id);
console.log('i=' + i);
console.log('colors(d.id)=' + colors(d.id));
console.log('colors(i)=' + colors(i));
return colors(i);
})
.attr("stroke-width", 2)
.attr("fill", "none");
// 凡例
console.log('keys.slice()=' + keys.slice());
var legend = g.append("g")
.attr("font-family", "sans-serif")
.attr("font-size", 10)
.attr("text-anchor", "end")
.selectAll("g")
//.data(['tokyo', 'osaka', 'sapporo', 'naha'])
.data(keys.slice())
.enter()
.append("g")
.attr("transform", function(d, i) {
console.log(i)
return "translate(0," + i * 20 + ")"; });
legend.append("path")
.attr("d", function(d) { return "M" + (width-19) + ",10" + "L" + (width) + ",10"; })
.attr("stroke", function(d, i) {
console.log('colors(' + i + ')=' + colors(i));
return colors(i);
})
.attr("stroke-width", 2)
.attr("fill", "none");
legend.append("text")
.attr("x", width - 24)
.attr("y", 9.5)
.attr("dy", "0.32em")
.text(function(d) { return d; });
});
var table = d3.select("table");
var thead = table.append("thead");
var tbody = table.append("tbody");
d3.csv("test1.csv", function(csv) {
var headerKey = d3.map(csv[0]).keys();
thead.append("tr")
.selectAll("th")
.data(headerKey)
.enter()
.append("th")
.text(function(key) { return key; });
tbody.selectAll("tr")
.data(csv)
.enter()
.append("tr")
.selectAll("td")
.data(function(row) { return d3.entries(row); })
.enter()
.append("td")
.text(function(d) { return d.value; })
})
function type(d, _, columns) {
d.month = +d.month; // 文字列を数値にする
for (var i = 1, n = columns.length, c; i < n; ++i) {
d[c = columns[i]] = +d[c];
}
return d;
}
test1.css
table {
border-collapse: collapse;
text-align: left;
line-height: 1.5;
}
th {
padding: 10px;
font-weight: bold;
vertical-align: top;
color: #369;
border-bottom: 3px solid #036;
}
td {
weight: 350px;
padding: 10px;
vertical-align: top;
border-bottom: 1px solid #ccc;
}
test1.csv
month,tokyo,osaka,sapporo,naha 1,5.1,4.4,-3.8,14.9 2,7,7.4,-1.1,17.6 3,8.1,8.1,0.7,17.1 4,14.5,13.8,6.9,20.4 5,18.5,19.6,11.1,23.9 6,22.8,24.2,17.3,27.9 7,27.3,27.8,21.8,28.9 8,27.5,28.9,26.6,28.3 9,25.1,25.2,19.2,27.9 10,19.5,19.5,12.1,25.2 11,14.9,15.2,6,23.7 12,7.5,8.1,-2,18.6実行例 (fc2に置いてあるページに飛びます)
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script src="https://d3js.org/d3.v4.js"></script>
</head>
<body>
<svg width="960" height="500"></svg>
</body>
<!-- 上記のsvg要素をJavaScript内で読み込むので、bodyより下にスクリプトのソースを定義する -->
<script src="./test12.js"></script>
</html>
test12.js
var svg = d3.select("svg"),
margin = {top: 20, right: 80, bottom: 30, left: 50},
width = svg.attr("width") - margin.left - margin.right,
height = svg.attr("height") - margin.top - margin.bottom,
g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var line = d3.line()
.x(function(d) { return x(d.month); })
.y(function(d) { return y(d.temperature); });
// X, Yの範囲を座標に置き換える
var x = d3.scaleLinear()
.range([0, width]);
var y = d3.scaleLinear()
.range([height, 0]);
// 色
var colors = d3.scaleOrdinal(d3.schemeCategory10);
console.log(colors(0))
console.log(colors(1))
console.log(colors(2))
console.log(colors(3))
// データファイルを読み込んでグラフを描く
d3.csv("test12.csv", type, function(error, data) {
if (error) throw error;
var cities = data.columns.slice(1).map(function(id) {
return {
id: id,
values: data.map(function(d) {
return {month: d.month, temperature: d[id]};
})
};
});
var keys = data.columns.slice(1);
console.log('keys=' + keys);
// Xの範囲はmonthの最小値から最大値
console.log('extent=' + d3.extent(data, function(d) { return d.month; }));
console.log('max=' + d3.max(data, function(d) { return d.month; }));
x.domain(d3.extent(data, function(d) {
return d.month
}));
console.log('x.domain()=' + x.domain())
console.log('x.range()=' + x.range())
// Yの範囲は各地のtemperatureをすべて含めた最小値から最大値
y_min = d3.min(cities, function(c) {
return d3.min(c.values, function(d) {
return d.temperature;
});
});
y_max = d3.max(cities, function(c) { return d3.max(c.values, function(d) { return d.temperature; }); });
console.log('y_min=' + y_min);
console.log('y_max=' + y_max);
y.domain([y_min, y_max]);
// X軸 (y=0の場所配置するためにtranslateでy(0)を指定する
g.append("g")
.attr("transform", "translate(0," + y(0) + ")")
.call(d3.axisBottom(x));
// Y軸
g.append("g")
.call(d3.axisLeft(y))
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", "0.71em")
.attr("fill", "#000")
.text("Temperature (℃)");
// line chartを描く
var city = g.selectAll(".city")
.data(cities)
.enter().append("g")
.attr("class", "city");
city.append("path")
.attr("d", function(d) {
return line(d.values);
})
.attr("stroke", function(d, i) {
console.log('d.id=' + d.id);
console.log('i=' + i);
console.log('colors(d.id)=' + colors(d.id));
console.log('colors(i)=' + colors(i));
return colors(i);
})
.attr("stroke-width", 2)
.attr("fill", "none");
// 凡例
console.log('keys.slice()=' + keys.slice());
var legend = g.append("g")
.attr("font-family", "sans-serif")
.attr("font-size", 10)
.attr("text-anchor", "end")
.selectAll("g")
//.data(['tokyo', 'osaka', 'sapporo', 'naha'])
.data(keys.slice())
.enter()
.append("g")
.attr("transform", function(d, i) {
console.log(i)
return "translate(0," + i * 20 + ")"; });
legend.append("path")
.attr("d", function(d) { return "M" + (width-19) + ",10" + "L" + (width) + ",10"; })
.attr("stroke", function(d, i) {
console.log('colors(' + i + ')=' + colors(i));
return colors(i);
})
.attr("stroke-width", 2)
.attr("fill", "none");
legend.append("text")
.attr("x", width - 24)
.attr("y", 9.5)
.attr("dy", "0.32em")
.text(function(d) { return d; });
});
function type(d, _, columns) {
d.month = +d.month; // 文字列を数値にする
for (var i = 1, n = columns.length, c; i < n; ++i) {
d[c = columns[i]] = +d[c];
}
return d;
}
test12.csv
month,tokyo,osaka,sapporo,naha 1,5.1,4.4,-3.8,14.9 2,7,7.4,-1.1,17.6 3,8.1,8.1,0.7,17.1 4,14.5,13.8,6.9,20.4 5,18.5,19.6,11.1,23.9 6,22.8,24.2,17.3,27.9 7,27.3,27.8,21.8,28.9 8,27.5,28.9,26.6,28.3 9,25.1,25.2,19.2,27.9 10,19.5,19.5,12.1,25.2 11,14.9,15.2,6,23.7 12,7.5,8.1,-2,18.6実行例 (fc2に置いてあるページに飛びます)
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script src="https://d3js.org/d3.v4.js"></script>
</head>
<body>
<svg width="960" height="500"></svg>
</body>
<!-- 上記のsvg要素をJavaScript内で読み込むので、bodyより下にスクリプトのソースを定義する -->
<script src="./test11.js"></script>
</html>
test11.js
var svg = d3.select("svg"),
margin = {top: 20, right: 80, bottom: 30, left: 50},
width = svg.attr("width") - margin.left - margin.right,
height = svg.attr("height") - margin.top - margin.bottom,
g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")");
// データ
var tokyo = [
{"month": 1, "temperature": 5.1},
{"month": 2, "temperature": 7.0},
{"month": 3, "temperature": 8.1},
{"month": 4, "temperature": 14.5},
{"month": 5, "temperature": 18.5},
{"month": 6, "temperature": 22.8},
{"month": 7, "temperature": 27.3},
{"month": 8, "temperature": 27.5},
{"month": 9, "temperature": 25.1},
{"month": 10, "temperature": 19.5},
{"month": 11, "temperature": 14.9},
{"month": 12, "temperature": 7.5},
];
var osaka = [
{"month": 1, "temperature": 4.4},
{"month": 2, "temperature": 7.4},
{"month": 3, "temperature": 8.1},
{"month": 4, "temperature": 13.8},
{"month": 5, "temperature": 19.6},
{"month": 6, "temperature": 24.2},
{"month": 7, "temperature": 27.8},
{"month": 8, "temperature": 28.9},
{"month": 9, "temperature": 25.2},
{"month": 10, "temperature": 19.5},
{"month": 11, "temperature": 15.2},
{"month": 12, "temperature": 8.1}
];
var sapporo = [
{"month": 1, "temperature": -3.8},
{"month": 2, "temperature": -1.1},
{"month": 3, "temperature": 0.7},
{"month": 4, "temperature": 6.9},
{"month": 5, "temperature": 11.1},
{"month": 6, "temperature": 17.3},
{"month": 7, "temperature": 21.8},
{"month": 8, "temperature": 26.6},
{"month": 9, "temperature": 19.2},
{"month": 10, "temperature": 12.1},
{"month": 11, "temperature": 6},
{"month": 12, "temperature": -2}
];
var naha = [
{"month": 1, "temperature": 14.9},
{"month": 2, "temperature": 17.6},
{"month": 3, "temperature": 17.1},
{"month": 4, "temperature": 20.4},
{"month": 5, "temperature": 23.9},
{"month": 6, "temperature": 27.9},
{"month": 7, "temperature": 28.9},
{"month": 8, "temperature": 28.3},
{"month": 9, "temperature": 27.9},
{"month": 10, "temperature": 25.2},
{"month": 11, "temperature": 23.7},
{"month": 12, "temperature": 18.6}
];
var line = d3.line()
.x(function(d) { return x(d.month); })
.y(function(d) { return y(d.temperature); });
// X, Yの範囲を座標に置き換える
var x = d3.scaleLinear()
.range([0, width]);
var y = d3.scaleLinear()
.range([height, 0]);
// Xの範囲はmonthの最小値から最大値
x.domain(d3.extent(tokyo, function(d) { return d.month; }));
// Yの範囲は各地のtemperatureをすべて含めた最小値から最大値
m = [
d3.max(tokyo, function(d) { return d.temperature; }),
d3.max(osaka, function(d) { return d.temperature; }),
d3.max(sapporo, function(d) { return d.temperature; }),
d3.max(naha, function(d) { return d.temperature; })
];
console.log('m=' + m)
y_max = d3.max(m);
console.log('y_max=' + y_max);
m = [
d3.min(tokyo, function(d) { return d.temperature; }),
d3.min(osaka, function(d) { return d.temperature; }),
d3.min(sapporo, function(d) { return d.temperature; }),
d3.min(naha, function(d) { return d.temperature; })
];
console.log('m=' + m)
y_min = d3.min(m);
console.log('y_min=' + y_min);
y.domain([y_min, y_max]);
// 色
var colors = d3.scaleOrdinal(d3.schemeCategory10);
console.log(colors(0))
console.log(colors(1))
console.log(colors(2))
console.log(colors(3))
// line chartを描く
g.append("path")
.attr("d", line(tokyo))
.attr("stroke", colors(0))
.attr("stroke-width", 2)
.attr("fill", "none");
g.append("path")
.attr("d", line(osaka))
.attr("stroke", colors(1))
.attr("stroke-width", 2)
.attr("fill", "none");
g.append("path")
.attr("d", line(sapporo))
.attr("stroke", colors(2))
.attr("stroke-width", 2)
.attr("fill", "none");
g.append("path")
.attr("d", line(naha))
.attr("stroke", colors(3))
.attr("stroke-width", 2)
.attr("fill", "none");
// X軸 (y=0の場所配置するためにtranslateでy(0)を指定する
g.append("g")
.attr("transform", "translate(0," + y(0) + ")")
.call(d3.axisBottom(x));
// Y軸
g.append("g")
.call(d3.axisLeft(y))
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", "0.71em")
.attr("fill", "#000")
.text("Temperature (℃)");
// 凡例
var legend = g.append("g")
.attr("font-family", "sans-serif")
.attr("font-size", 10)
.attr("text-anchor", "end")
.selectAll("g")
.data(['tokyo', 'osaka', 'sapporo', 'naha'])
.enter()
.append("g")
.attr("transform", function(d, i) {
console.log(i)
return "translate(0," + i * 20 + ")"; });
legend.append("path")
.attr("d", function(d) { return "M" + (width-19) + ",10" + "L" + (width) + ",10"; })
.attr("stroke", function(d, i) {
console.log('colors(' + i + ')=' + colors(i));
return colors(i);
})
.attr("stroke-width", 2)
.attr("fill", "none");
legend.append("text")
.attr("x", width - 24)
.attr("y", 9.5)
.attr("dy", "0.32em")
.text(function(d) { return d; });
実行例 (fc2に置いてあるページに飛びます)
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script src="https://d3js.org/d3.v4.js"></script>
</head>
<body>
<svg width="960" height="500"></svg>
</body>
<!-- 上記のsvg要素をJavaScript内で読み込むので、bodyより下にスクリプトのソースを定義する -->
<script src="./test10.js"></script>
</html>
test10.js
var svg = d3.select("svg"),
margin = {top: 20, right: 80, bottom: 30, left: 50},
width = svg.attr("width") - margin.left - margin.right,
height = svg.attr("height") - margin.top - margin.bottom,
g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")");
// データ
var tokyo = [
{"month": 1, "temperature": 5.1},
{"month": 2, "temperature": 7.0},
{"month": 3, "temperature": 8.1},
{"month": 4, "temperature": 14.5},
{"month": 5, "temperature": 18.5},
{"month": 6, "temperature": 22.8},
{"month": 7, "temperature": 27.3},
{"month": 8, "temperature": 27.5},
{"month": 9, "temperature": 25.1},
{"month": 10, "temperature": 19.5},
{"month": 11, "temperature": 14.9},
{"month": 12, "temperature": 7.5},
];
var osaka = [
{"month": 1, "temperature": 4.4},
{"month": 2, "temperature": 7.4},
{"month": 3, "temperature": 8.1},
{"month": 4, "temperature": 13.8},
{"month": 5, "temperature": 19.6},
{"month": 6, "temperature": 24.2},
{"month": 7, "temperature": 27.8},
{"month": 8, "temperature": 28.9},
{"month": 9, "temperature": 25.2},
{"month": 10, "temperature": 19.5},
{"month": 11, "temperature": 15.2},
{"month": 12, "temperature": 8.1}
];
var sapporo = [
{"month": 1, "temperature": -3.8},
{"month": 2, "temperature": -1.1},
{"month": 3, "temperature": 0.7},
{"month": 4, "temperature": 6.9},
{"month": 5, "temperature": 11.1},
{"month": 6, "temperature": 17.3},
{"month": 7, "temperature": 21.8},
{"month": 8, "temperature": 26.6},
{"month": 9, "temperature": 19.2},
{"month": 10, "temperature": 12.1},
{"month": 11, "temperature": 6},
{"month": 12, "temperature": -2}
];
var naha = [
{"month": 1, "temperature": 14.9},
{"month": 2, "temperature": 17.6},
{"month": 3, "temperature": 17.1},
{"month": 4, "temperature": 20.4},
{"month": 5, "temperature": 23.9},
{"month": 6, "temperature": 27.9},
{"month": 7, "temperature": 28.9},
{"month": 8, "temperature": 28.3},
{"month": 9, "temperature": 27.9},
{"month": 10, "temperature": 25.2},
{"month": 11, "temperature": 23.7},
{"month": 12, "temperature": 18.6}
];
var line = d3.line()
.x(function(d) { return x(d.month); })
.y(function(d) { return y(d.temperature); });
// X, Yの範囲を座標に置き換える
var x = d3.scaleLinear()
.range([0, width]);
var y = d3.scaleLinear()
.range([height, 0]);
// Xの範囲はmonthの最小値から最大値
x.domain(d3.extent(tokyo, function(d) { return d.month; }));
// Yの範囲は各地のtemperatureをすべて含めた最小値から最大値
m = [
d3.max(tokyo, function(d) { return d.temperature; }),
d3.max(osaka, function(d) { return d.temperature; }),
d3.max(sapporo, function(d) { return d.temperature; }),
d3.max(naha, function(d) { return d.temperature; })
];
console.log('m=' + m)
y_max = d3.max(m);
console.log('y_max=' + y_max);
m = [
d3.min(tokyo, function(d) { return d.temperature; }),
d3.min(osaka, function(d) { return d.temperature; }),
d3.min(sapporo, function(d) { return d.temperature; }),
d3.min(naha, function(d) { return d.temperature; })
];
console.log('m=' + m)
y_min = d3.min(m);
console.log('y_min=' + y_min);
y.domain([y_min, y_max]);
// 色
var colors = d3.scaleOrdinal(d3.schemeCategory10);
console.log(colors(0))
console.log(colors(1))
console.log(colors(2))
console.log(colors(3))
// line chartを描く
g.append("path")
.attr("d", line(tokyo))
.attr("stroke", colors(0))
.attr("stroke-width", 2)
.attr("fill", "none");
g.append("path")
.attr("d", line(osaka))
.attr("stroke", colors(1))
.attr("stroke-width", 2)
.attr("fill", "none");
g.append("path")
.attr("d", line(sapporo))
.attr("stroke", colors(2))
.attr("stroke-width", 2)
.attr("fill", "none");
g.append("path")
.attr("d", line(naha))
.attr("stroke", colors(3))
.attr("stroke-width", 2)
.attr("fill", "none");
// X軸 (y=0の場所配置するためにtranslateでy(0)を指定する
g.append("g")
.attr("transform", "translate(0," + y(0) + ")")
.call(d3.axisBottom(x));
// Y軸
g.append("g")
.call(d3.axisLeft(y))
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", "0.71em")
.attr("fill", "#000")
.text("Temperature (℃)");
実行例 (fc2に置いてあるページに飛びます)
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script src="https://d3js.org/d3.v4.js"></script>
</head>
<body>
<svg width="960" height="500"></svg>
</body>
<!-- 上記のsvg要素をJavaScript内で読み込むので、bodyより下にスクリプトのソースを定義する -->
<script src="./test9.js"></script>
</html>
test9.js
var svg = d3.select("svg"),
margin = {top: 20, right: 80, bottom: 30, left: 50},
width = svg.attr("width") - margin.left - margin.right,
height = svg.attr("height") - margin.top - margin.bottom,
g = svg.append("g").attr("transform", "translate(" + margin.left + "," + margin.top + ")");
// データ
var tokyo = [
{"month": 1, "temperature": 5.1},
{"month": 2, "temperature": 7.0},
{"month": 3, "temperature": 8.1},
{"month": 4, "temperature": 14.5},
{"month": 5, "temperature": 18.5},
{"month": 6, "temperature": 22.8},
{"month": 7, "temperature": 27.3},
{"month": 8, "temperature": 27.5},
{"month": 9, "temperature": 25.1},
{"month": 10, "temperature": 19.5},
{"month": 11, "temperature": 14.9},
{"month": 12, "temperature": 7.5},
];
var line = d3.line()
.x(function(d) {
console.log(d.month);
console.log(x(d.month));
return x(d.month); })
.y(function(d) {
console.log(d.temperature);
console.log(y(d.temperature));
return y(d.temperature); });
// X, Yの範囲を座標に置き換える
var x = d3.scaleLinear()
.range([0, width]);
var y = d3.scaleLinear()
.range([height, 0]);
// Xの範囲はmonthの最小値から最大値
x.domain(d3.extent(tokyo, function(d) { return d.month; }));
// Yの範囲0からtemperatureの最大値
y.domain([0, d3.max(tokyo, function(d) { return d.temperature; })]);
// line chartを描く
g.append("path")
.attr("d", line(tokyo))
.attr("stroke", "blue")
.attr("stroke-width", 2)
.attr("fill", "none");
// X軸
g.append("g")
.attr("transform", "translate(0," + height + ")")
.call(d3.axisBottom(x));
// Y軸
g.append("g")
.call(d3.axisLeft(y))
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", "0.71em")
.attr("fill", "#000")
.text("Temperature (℃)");
実行例 (fc2に置いてあるテストページに飛びます)