2015-03-03 2 views
0

У меня есть список с именем geneexp, который содержит словари внутри него как JSON.Как визуализировать словарь JSON на горизонтальной диаграмме D3.js?

  1. То, что я хотел бы сделать, это визуализировать значения fpkm2 на значения справа и fpkm1 слева в виде горизонтальной гистограммы just like here
  2. ли D3.js принять точку в числовых значениях, или я должен изменить значения с помощью запятой? потому что мне нужна вся ценность.

Я попытался подражать им, изменив данные, но это не сработало. Вот что я пробовал

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    .attr("height", y.rangeBand()); 

svg.selectAll(".bar2") 
    .data(geneexp) 
    .enter().append("rect") 
    .attr("class", "bar2") 
    .attr("x", function (d) { 
    return x(Math.min(0, -d.fpkm1)); 
}) 
    .attr("y", function (d) { 
    return y(d.gene); 
}) 
    .attr("width", function (d) { 
    return Math.abs(x(-d.fpkm1) - x(0)); 
}) 
    .attr("height", y.rangeBand()); 


svg.append("g") 
    .attr("class", "x axis") 
    .call(xAxis); 

svg.append("g") 
    .attr("class", "y axis") 
    .append("line") 
    .attr("x1", x(0)) 
    .attr("x2", x(0)) 
    .attr("y2", height); 


function type(d) { 
    d.value = +d.value; 
    return d; 
} 

Любая помощь будет оценена. Большое спасибо.

ответ

1

Осмотрите консоль на наличие ошибок.

В этой строке:

y.domain(data.map(function (d) {return d.gene;})); 

data должно быть geneexp

Пример here.

+1

Большое спасибо @Mark за помощь. Я только начал изучать D3, и я не мог заметить через 2 дня. – Akif

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