Javascript d3.js条形图未显示正确的值
所以我创建了一个D3条形图,但我似乎不知道如何正确显示条形图的值。它以最大值30显示所有条形图 我已经指出了这一行的错误:Javascript d3.js条形图未显示正确的值,javascript,api,d3.js,Javascript,Api,D3.js,所以我创建了一个D3条形图,但我似乎不知道如何正确显示条形图的值。它以最大值30显示所有条形图 我已经指出了这一行的错误: d.amenities = amenityNames.map(function (name) { console.log( +d["sum"]); return {name: name, value: +d["sum"]}; }); 看起来我赋值错误,但我不确定如何更正 我该如何纠正这一点?JSON也有相同的特性。任何帮助都将不胜感激 var
d.amenities = amenityNames.map(function (name)
{
console.log( +d["sum"]);
return {name: name, value: +d["sum"]};
});
看起来我赋值错误,但我不确定如何更正
我该如何纠正这一点?JSON也有相同的特性。任何帮助都将不胜感激
var margin = {top: 20, right: 20, bottom: 30, left: 40},
width = 960 - margin.left - margin.right,
height = 500 - margin.top - margin.bottom;
var x0 = d3.scale.ordinal()
.rangeRoundBands([0, width], .1);
var x1 = d3.scale.ordinal();
var y = d3.scale.linear()
.range([height, 0]);
//todo generate color rang based on the amenities
var color = d3.scale.ordinal()
.range(["#98abc5", "#8a89a6", "#7b6888", "#6b486b", "#a05d56", "#d0743c", "#ff8c00", "#7b6844","#f45000","#f9fc30"]);
var xAxis = d3.svg.axis()
.scale(x0)
.orient("bottom");
var yAxis = d3.svg.axis()
.scale(y)
.orient("left")
.tickFormat(d3.format(".2s"));
var svg = d3.select("body").append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
d3.json("StudentInteractionApi", function (error, data) {
var amenityName = function () {
var bool = true;
var unique = [];
for (var i = 0; i < data.length - 1; i++) {
for (var x = 0; x < unique.length - 1; x++) {
if (unique[x] == data[i]['amenity']) {
bool = false;
break;
}
bool = true;
}
if (bool == true) {
unique.push(data[i]['amenity']);
}
}
return unique;
};
var amenityNames = amenityName(data);
console.log(amenityNames);
data.forEach(function (d) {
d.amenities = amenityNames.map(function (name)
{
console.log( +d["sum"]);
return {name: name, value: +d["sum"]};
});
});
x0.domain(data.map(function (d) {
return d.userid;
}));
x1.domain(amenityNames).rangeRoundBands([0, x0.rangeBand()]);
y.domain([0, d3.max(data, function (d) {
return d3.max(d.amenities,
function (d) {
return d.value;
});
})]);
svg.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis);
svg.append("g")
.attr("class", "y axis")
.call(yAxis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end")
.text("Population");
var state = svg.selectAll(".state")
.data(data)
.enter().append("g")
.attr("class", "g")
.attr("transform", function (d) {
return "translate(" + x0(d.userid) + ",0)";
});
state.selectAll("rect")
.data(function (d) {
console.log(d.amenities);
return d.amenities;
})
.enter().append("rect")
.attr("width", x1.rangeBand())
.attr("x", function (d) {
return x1(d.name);
})
.attr("y", function (d) {
return y(d.value);
})
.attr("height", function (d) {
return height - y(d.value);
})
.style("fill", function (d) {
return color(d.name);
});
});
json sample
[{"userid":1,"amenity":"time","sum":28},
{"userid":1,"amenity":"kiii","sum":33},
{"userid":1,"amenity":"food","sum":5},
{"userid":1,"amenity":"taste","sum":32},
{"userid":1,"amenity":"hmmmm","sum":10},
{"userid":1,"amenity":"max","sum":19.5},
{"userid":1,"amenity":"youtube","sum":10},
{"userid":1,"amenity":"f","sum":2.5},
{"userid":1,"amenity":"smith","sum":2.5},]
var margin={top:20,right:20,bottom:30,left:40},
宽度=960-margin.left-margin.right,
高度=500-margin.top-margin.bottom;
var x0=d3.scale.ordinal()
.rangeRoundBands([0,宽度],.1);
var x1=d3.scale.ordinal();
变量y=d3.scale.linear()
.范围([高度,0]);
//todo根据便利设施生成颜色范围
var color=d3.scale.ordinal()
.范围([“98abc5”、“8a89a6”、“7b6888”、“6b486b”、“a05d56”、“d0743c”、“ff8c00”、“7b6844”、“F4500”、“f9fc30”);
var xAxis=d3.svg.axis()
.比例(x0)
.东方(“底部”);
var yAxis=d3.svg.axis()
.比例(y)
.东方(“左”)
.tick格式(d3格式(“.2s”);
var svg=d3.选择(“正文”).追加(“svg”)
.attr(“宽度”,宽度+边距。左侧+边距。右侧)
.attr(“高度”,高度+边距。顶部+边距。底部)
.附加(“g”)
.attr(“转换”、“平移”(+margin.left+)、“+margin.top+”);
json(“StudentInteractionApi”,函数(错误,数据){
var amendityname=函数(){
var bool=真;
var-unique=[];
对于(var i=0;i
“我已经查明了错误…”–什么错误?不是语法错误。更多的逻辑错误。它只为列指定一个值