下面是我使用的代码。这段代码对我来说很好用,但是问题是以下代码输出时,图形的某些部分未在x轴上显示。由于x轴的长度不足以显示某些部分,因此将其隐藏。因此我决定使该图可滚动,并且尝试了使该图可滚动的代码。但是它没有用。
请帮助我解决这个问题。
我使用了这个参考资料:-http : //computationallyendowed.com/blog/2013/01/21/bounded-panning-in-d3.html
图:
HTML代码:
<div class="row">
<div class="col-sm-12">
<div class="lineChart1" style=" overflow: scroll">
<svg width="960" height="500" style=" overflow: scroll"></svg>
</div>
</div>
</div>
JAVASCRIPT代码:
function createLineChart() {
var number=1;
var data = [ { label: "Execution 1 - [email protected]",
x: ["1","2","2","3","3","4","4","5","5","6","6","7","7","8","8","9","9","10","10","11","11","12","12"],
y: ["3","3","3","3","3","3","2","2","3","3","3","3","3","3","3","3","3","3","2","2","3","3","3","3"] }] ;
var xy_chart = d3_xy_chart()
.width(960)
.height(500)
.xlabel("TCS")
.ylabel("STATUS");
var svg = d3.select(".lineChart" + number).append("svg")
.datum(data)
.call(xy_chart);
function d3_xy_chart() {
var width = 640,
height = 480,
xlabel = "X Axis Label",
ylabel = "Y Axis Label";
function chart(selection, svg) {
selection.each(function (datasets) {
//
// Create the plot.
//
var margin = {top: 20, right: 80, bottom: 30, left: 50},
innerwidth = width - margin.left - margin.right,
innerheight = height - margin.top - margin.bottom;
var x_scale = d3.scale.linear()
.range([0, innerwidth])
.domain([d3.min(datasets, function (d) {
return d3.min(d.x);
}),
d3.max(datasets, function (d) {
return d3.max(d.x);
})]);
var y_scale = d3.scale.linear()
.range([innerheight, 0])
.domain([d3.min(datasets, function (d) {
return d3.min(d.y);
}),
d3.max(datasets, function (d) {
return d3.max(d.y);
})]);
var color_scale = d3.scale.category10()
.domain(d3.range(datasets.length));
var x_axis = d3.svg.axis()
.scale(x_scale)
.orient("bottom")
.tickFormat(function (d, i) {
if (d % 1 == 0) {
return parseInt(d)
} else {
return " "
}
});
var y_axis = d3.svg.axis()
.scale(y_scale)
.orient("left")
.tickFormat(function (d, i) {
if (d == "1") {
return "NOT EXECUTED"
} else if (d == "2") {
return "FAILED"
} else if (d == "3") {
return "PASSED"
} else {
return " "
}
});
var x_grid = d3.svg.axis()
.scale(x_scale)
.orient("bottom")
.tickSize(-innerheight)
.tickFormat("");
var y_grid = d3.svg.axis()
.scale(y_scale)
.orient("left")
.tickSize(-innerwidth)
.tickFormat("");
var draw_line = d3.svg.line()
.interpolate("linear")
.x(function (d) {
return x_scale(d[0]);
})
.y(function (d) {
return y_scale(d[1]);
});
var svg = d3.select(this)
.attr("width", width)
.attr("height", height)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
svg.append("g")
.attr("class", "x grid")
.attr("transform", "translate(0," + innerheight + ")")
.call(x_grid);
svg.append("g")
.attr("class", "y grid")
.call(y_grid);
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + innerheight + ")")
.call(x_axis)
.append("text")
.attr("dy", "-.71em")
.attr("x", innerwidth)
.style("text-anchor", "end")
.text(xlabel);
svg.append("g")
.attr("class", "y axis")
.call(y_axis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", "0.71em")
.style("text-anchor", "end")
.text(ylabel);
var data_lines = svg.selectAll(".d3_xy_chart_line")
.data(datasets.map(function (d) {
return d3.zip(d.x, d.y);
}))
.enter().append("g")
.attr("class", "d3_xy_chart_line");
data_lines.append("path")
.attr("class", "line")
.attr("d", function (d) {
return draw_line(d);
})
.attr("stroke", function (_, i) {
return color_scale(i);
});
data_lines.append("text")
.datum(function (d, i) {
return {name: datasets[i].label, final: d[d.length - 1]};
})
.attr("transform", function (d) {
return ( "translate(" + x_scale(d.final[0]) + "," +
y_scale(d.final[1]) + ")" );
})
.attr("x", 3)
.attr("dy", ".35em")
.attr("fill", function (_, i) {
return color_scale(i);
})
.text(function (d) {
return d.name;
});
//滚动代码START
var xscale = d3.scale.linear().domain([0, 12]).range([0, 12]),
yscale = d3.scale.linear().domain([0, 100]).range([innerheight, 0]);
var line = d3.svg.line()
.x(function(d) { return xscale(d[0]); })
.y(function(d) { return yscale(d[1]); })
.interpolate('basis');
svg.append('g')
.datum(datasets)
.append('path')
.attr('class', 'data')
.attr('d', line);
var zoom = d3.behavior.zoom()
.scaleExtent([1, 1])
.x(xscale)
.on('zoom', function() {
svg.select('.data').attr('d', line)
});
svg.call(zoom);
//滚动代码END
});
}
我在这里找到了问题。问题是您提供的json数据中。将所有json数据存储为字符串而不是整数。所有带双引号的整数。这意味着它将变成字符串。当从json数据获取x轴的最大数字时,它将9作为最大数字。之所以会这样,是因为当数字为字符串时,最大数字为9。因为该图不会在9之后继续,但是期望值为12。因此不需要此处的滚动代码。只需在div中添加css条目即可使图形可滚动(“溢出:滚动”)
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