我正在重新创建区域地图的例子,并尝试添加一个滑动条。当拖动时,会按年份更改。另一位用户问了类似的问题,但没有得到回复。我进行了更多搜索,并找到了一个示例,其中用户为附加年份生成了随机值,并创建了一个滑块,但它是用JavaScript编写的,我不确定如何将其翻译成Python。
有没有一种在Python中实现这个的方法?
以下是JavaScript的代码:
Plotly.d3.csv('https://raw.githubusercontent.com/plotly/datasets/master/2011_us_ag_exports.csv', function(err, rows){
function unpack(rows, key) {
return rows.map(function(row) { return row[key]; });
}
var randomize = z => z.map(d => Math.pow(Math.random(), 2) * 30000);
var data = unpack(rows, 'total exports');
var frames = [{
data: [{z: unpack(rows, 'total exports')}],
traces: [0],
name: '1990',
layout: {title: '1990 US Agriculture Exports by State'}
}, {
data: [{z: randomize(data)}],
traces: [0],
name: '1995',
layout: {title: '1995 US Agriculture Exports by State'}
}, {
data: [{z: randomize(data)}],
traces: [0],
name: '2000',
layout: {title: '2000 US Agriculture Exports by State'}
}, {
data: [{z: randomize(data)}],
traces: [0],
name: '2005',
layout: {title: '2005 US Agriculture Exports by State'}
}]
var data = [{
type: 'choropleth',
locationmode: 'USA-states',
locations: unpack(rows, 'code'),
z: unpack(rows, 'total exports'),
text: unpack(rows, 'state'),
zmin: 0,
zmax: 17000,
colorscale: [
[0, 'rgb(242,240,247)'], [0.2, 'rgb(218,218,235)'],
[0.4, 'rgb(188,189,220)'], [0.6, 'rgb(158,154,200)'],
[0.8, 'rgb(117,107,177)'], [1, 'rgb(84,39,143)']
],
colorbar: {
title: 'Millions USD',
thickness: 0.2
},
marker: {
line:{
color: 'rgb(255,255,255)',
width: 2
}
}
}];
var layout = {
title: '1990 US Agriculture Exports by State',
geo:{
scope: 'usa',
showlakes: true,
lakecolor: 'rgb(255,255,255)'
},
xaxis: {autorange: false},
yaxis: {autorange: false},
sliders: [{
currentvalue: {
prefix: 'Year: ',
},
steps: frames.map(f => ({
label: f.name,
method: 'animate',
args: [[f.name], {frame: {duration: 0}}]
}))
}]
};
Plotly.plot('graph', {
data: data,
layout: layout,
frames: frames,
config: {showLink: false}
});
});
有没有一种在Python中实现这个的方法?
step-0
,并且将步骤标记为1990年? - ottehenglabel='Year {}'.format(i + 1980)
添加到step
字典中,参见更新后的答案。 - Maximilian Petersargs=['visible', [False] * len(data)]
。 - otteheng