我正在制作一个个人项目,创建图表,以显示有关Last FM API的音乐收听习惯的数据.
我通过AJAX请求获取JSON数据,然后使用返回的JSON对象填充使用Chartist.js JS库创建的图形.
我有一个我认为是一个非常简单的问题,因为我无法弄清楚如何增加图表的整体大小？更具体地说,我想增加Y轴上每个刻度点之间的间距,以便您可以更准确地看到每个图形.
根据文档,我认为我需要更改一个名为scaleMinSpace的选项属性,但在更改此数字后,似乎不会发生任何更改.
任何帮助都会很棒？！
var lastfm = {};
lastfm.tracker = (function(){
//Set up an object for DOM elements and data source
var config = {
getRecentTracksURL: "http://ws.audioscrobbler.com/2.0/?method=user.getrecenttracks&user=jimmersjukeBox&api_key=6db1989bd348bf91797bad802c6645d8&format=json",getMostPopularartistsURL: "http://ws.audioscrobbler.com/2.0/?method=user.gettopartists&user=jimmersjukeBox&api_key=6db1989bd348bf91797bad802c6645d8&format=json",user: "jimmersjukeBox",recentTracksElement: $(".recent-tracks"),currentlyPlayingActiveClass: $(".current")
};
var setupLastFM = function(){
createPopularartistsChart();
};
var createPopularartistsChart = function(){
$.getJSON(config.getMostPopularartistsURL,function(data){
var artistData = data.topartists.artist,artists = $.map(artistData,function(artist) {
return [[artist.name]];
}),playcounts = $.map(artistData,function(playcount) {
return [[playcount.playcount]];
});
// These are the default options of the line chart
var options = {
// Options for X-Axis
axisX: {
// The offset of the labels to the chart area
offset: 10,// If labels should be shown or not
showLabel: true,// If the axis grid should be drawn or not
showGrid: true,// Interpolation function that allows you to intercept the value from the axis label
labelInterpolationFnc: function(value){return value;}
},// Options for Y-Axis
axisY: {
scaleMinSpace: 100
},// Specify a fixed width for the chart as a string (i.e. '100px' or '50%')
width: undefined,// Specify a fixed height for the chart as a string (i.e. '100px' or '50%')
height: undefined,// If the line should be drawn or not
showLine: true,// If dots should be drawn or not
showPoint: true,// Specify if the lines should be smoothed (Catmull-Rom-Splines will be used)
linesmooth: true,// Overriding the natural low of the chart allows you to zoom in or limit the charts lowest displayed value
low: undefined,// Overriding the natural high of the chart allows you to zoom in or limit the charts highest displayed value
high: undefined,// Padding of the chart drawing area to the container element and labels
chartPadding: 15,// Specify the distance in pixel of bars in a group
seriesBardistance: 15,// Override the class names that get used to generate the SVG structure of the chart
};
data = {
// A labels array that can contain any sort of values
labels: artists.slice(0,10),// Our series array that contains series objects or in this case series data arrays
series: [
playcounts.slice(0,10)
]
};
// Create a new line chart object where as first parameter we pass in a selector
// that is resolving to our chart container element. The Second parameter
// is the actual data object.
Chartist.Bar('.ct-chart',data,options);
});
};
return{
config: config,init: function(){
setupLastFM();
}
};
})();
$(window).load(lastfm.tracker.init);
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