マウスカーソルがこのグラフ内にあるすべての場所に参照線が必要なグラフがあります。そして、この基準線はグラフ内のマウスの動きに従います。
しかし、これはうまくいかないようです。軸と軸の目盛り (.axis ライン) でのみ機能します。デバッグ時に、SVG に適用するとマウス イベントが正常に機能することがわかりましたが、グループには適用されません。なぜでしょうか?
これが私のコードです:
test.html
<html>
<head>
<script src="jquery.js">
</script>
<script src="d3.v2.js">
</script>
<script src="retest.js">
</script>
<style type="text/css">
.g_main {
cursor:pointer;
}
.axis path, .axis line {
stroke: #DBDBDB;
/*shape-rendering: crispEdges;
*/
}
.y g:first-child text {
display:none;
}
.y g:first-child line {
stroke: #989898 ;
stroke-width: 2.5px;
}
/*.x g:first-child line {
stroke: black ;
stroke-width: 2.5px;
}
*/
.y path {
stroke: #989898 ;
stroke-width: 2.5px;
}
</style>
</head>
<body>
<center>
<button id="reload" onclick="loadViz();">
load Graph
</button>
<div id="viz" class="viz">
</div>
</center>
<script>
loadViz();
</script>
</body>
</html>
retest.js
var series,
classifications,
minVal,
maxVal,
svgW = 600,
svgH = 600,
//w = 1200,
//h = 1200,
vizPadding = {
top: 120,
right: 30,
bottom: 120,
left: 50
},
yAxMin_PA = 0,
yAxMax_PA = 50,
xAxMin_PA = 2002,
xAxMax_PA = 2008,
areaStrokeColors = ['#FF6600', '#3366FF', '#B8860B', '#458B00', 'white'];
var loadViz = function () {
color = d3.scale.category10();
data = {
"lines": [{
"line": [{
"X": 2002,
"Y": 42
}, {
"X": 2003,
"Y": 45
},
{
"X": 2005,
"Y": 47
},
{
"X": 2007,
"Y": 41
}
]
}, {
"line": [{
"X": 2003,
"Y": 33
}, {
"X": 2005,
"Y": 38
}, {
"Y": 36,
"X": 2008
}
]
}, {
"line": [{
"X": 2004,
"Y": 13
}, {
"X": 2005,
"Y": 19
}, {
"X": 2008,
"Y": 21
}
]
}, {
"line": [{
"X": 2003,
"Y": 20
}, {
"X": 2005,
"Y": 27
}, {
"X": 2008,
"Y": 29
}
]
}
]
};
$("#viz").html("");
buildBase();
//setScales();
};
var buildBase = function () {
margin = {
top: 80,
right: 120,
bottom: 40,
left: 40
},
width = 960 - margin.left - margin.right,
height = 550 - margin.top - margin.bottom;
t2 = height + margin.top + margin.bottom;
x = d3.scale.linear()
.domain([xAxMin_PA, xAxMax_PA])
.range([0, width]);
y = d3.scale.linear()
.domain([yAxMin_PA, yAxMax_PA])
.range([height, 0]);
tickSizeToApplyX = 5;
tickSizeToApplyY = 10;
// Function to draw X-axis
xAxis = d3.svg.axis()
.scale(x)
.ticks(tickSizeToApplyX)
.tickSize(-height, 0, 0)
//.tickSize(10)
.orient("bottom")
.tickPadding(5);
// Function to draw Y-axis
yAxis = d3.svg.axis()
.scale(y)
.ticks(tickSizeToApplyY)
.tickSize(-width, 0, 0)
//.tickSize(0)
.orient("left")
.tickPadding(5);
// Define the line
var valueline = d3.svg.line()
.x(function (d) { /*console.log(d.X);*/
return x(d.X);
})
.y(function (d) { /*console.log(d.Y);*/
return y(d.Y);
});
// Define the line
var referline = d3.svg.line()
.x(function (dx) { /*console.log(d.X);*/
return dx;
})
.y(function (dy) { /*console.log(d.Y);*/
return dy;
});
// Append SVG into the html
var viz = d3.select("#viz")
.append("svg")
.attr("width", width + margin.left + margin.right + 10)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("class", "g_main")
.attr("transform", "translate(" + margin.left + "," + ((margin.top) - 30) + ")");
viz.on("mousemove", function () {
cx = d3.mouse(this)[0];
cy = d3.mouse(this)[1];
console.log("xx=>" + cx + "yy=>" + cy);
redrawline(cx, cy);
})
.on("mouseover", function () {
d3.selectAll('.line_over').style("display", "block");
})
.on("mouseout", function () {
d3.selectAll('.line_over').style("display", "none");
});
//console.log(this);
viz.append("line")
//d3.select("svg").append("line")
.attr("class", 'line_over')
.attr("x1", 0)
.attr("y1", 0)
.attr("x2", x(xAxMax_PA))
.attr("y2", 0)
.style("stroke", "gray")
.attr("stroke-dasharray", ("5,5"))
.style("stroke-width", "1.5")
.style("display", "none");
// Draw X-axis
viz.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
// Draw Y-axis
viz.append("g")
.attr("class", function (d, i) {
return "y axis"
})
.call(yAxis);
function redrawline(cx, cy) {
d3.selectAll('.line_over')
.attr("x1", 0)
.attr("y1", cy)
.attr("x2", x(xAxMax_PA))
.attr("y2", cy)
.style("display", "block");
}
};