使用d3.js曲線圖的x座標在x = 0或在y軸上顯示。 x軸表示日期和時間,y軸表示溫度。但這只是在ipad或iphone上。在我自己的機器上,Linux,它顯示正確。d3.js的x座標顯示不正確的iOS
的圖表和所有文件可以在可見, http://shanespi.no-ip.biz
在iPad/iphone顯示
雖然正確圖表是,
這裏是javascript,
var xScale = d3.scaleTime()
.domain([new Date(datahourly[0].date), d3.max(datahourly, function(d) {return new Date(d.date)})])
.range([0, (w-2*padding)]); // max x screen space is width - twice padding
var yScale = d3.scaleLinear()
.domain([0, d3.max(datahourly, function(d) {return d.temp})])
.range([(h-2*padding), 0]); // max y screen space is height - twice padding
var xAxis = d3.svg.axis(xScale) // d3 v.4
.ticks(9) // specify the number of ticks
/*.ticks(d3.time.days, 1) */
.tickFormat(d3.time.format('%H:00'))
.scale(xScale)
.orient("bottom");
var yAxis = d3.svg.axis(yScale)
.ticks(7)
.scale(yScale)
.orient("left");
var svg = d3.select('#hourly-readings')
.append('svg') // create an <svg> element
.attr('id', 'svgDaily')
.attr('width', w) // set its dimensions
.attr('height', h);
svg.append("g")
.attr("class", "axis")
.attr("transform", "translate(" + (2*padding - 15) + "," + (padding - 15) + ")")
.call(yAxis);
svg.append('g') // create a <g> element
.attr('class', 'axis') // specify classes
.attr("transform", "translate(" + (2*padding - 15) + "," + (h - padding - 15) + ")")
.call(xAxis); // let the axis do its thing
var lineFunctionStart = d3.svg.line()
.x(function(d) {return xScale(new Date(d.date)); })
.y(h - 2*padding - 5)
.interpolate("cardinal");
var lineFunction = d3.svg.line()
.x(function(d) {return xScale(new Date(d.date)); })
.y(function(d) {return yScale(d.temp); })
.interpolate("cardinal");
svg.append("path")
.attr('d', lineFunctionStart(datahourly))
.attr('stroke', "grey")
.attr('stroke-width', 1)
.style('fill', "white")
.attr("transform","translate(" + (2*padding - 13) + "," + (padding - 10) + ")")
.transition()
.duration(3000)
.attr('d', lineFunction(datahourly));
//var svg = d3.select('svg');
var svg = d3.select('#svgDaily');
svg.append("text") // text label for the x axis
.attr("x", 310)
.attr("y", h)
.style("font-size", "12")
.style("text-anchor", "middle")
.text("Time (1 hr. intervals)");
svg.append("text") // text label for the x axis
.attr('transform', 'rotate(-90)')
.attr("x", -85) // Because rotate is first x and y coordinates are transaposed
.attr("y", padding-17)
.style("font-size","10")
.style("text-anchor", "middle")
.text("Temp. Celcius");
var rects = svg.selectAll('circle')
.data(datahourly);
var newRects = rects.enter();
newRects.append('circle')
.attr('cx', function(d, i) { return (Math.random() * (w - 2*padding)) })
//.attr('cx', function(d, i) {
//return (5 + xScale(new Date(d.date)));
//})
.attr('cy', (h - (2*padding)))
.attr('r', 5)
.style('fill', "lightblue")
.attr("transform","translate(" + (2*padding - 18) + "," + (padding - 20) + ")")
.transition()
.duration(3000)
.delay(function(d, i) {return i * 300})
.attr('cx', function(d, i) {
return (5 + xScale(new Date(d.date)));
})
.attr('cy', function(d, i) {
return 10 + yScale(d.temp);
});
這裏是 'datahourly' 數據,
[
{
"date":"2016-12-14 22:01:01.799830",
"temp":"24.04"
},
{
"date":"2016-12-15 00:01:02.362875",
"temp":"23.03"
},
......................
{
"date":"2016-12-15 21:01:01.868593",
"temp":"21.93"
},
{
"date":"2016-12-15 22:01:02.278817",
"temp":"15.9"
},
{
"date":"2016-12-15 23:01:01.963714",
"temp":"21.63"
}
]
我使用Chrome的Linux和Safari瀏覽器在iPad和iPhone。但我確實在iPhone上安裝了Chrome,並且圖形仍然不正確。
與iOS的SVG有問題?
編輯: 的主要問題是,時間數據,不能正確解析
這是正確的解決方案,
var data = [];
$.getJSON("data/data.json",
function(info){
data = info[0].fiveMinReadings;
//console.log(data);
var parseTime = d3.timeParse("%Y-%m-%d %H:%M:%S.%L");
data.forEach(function(d) {
d.date = d.date.slice(0,-3);// remove microseconds
d.date = parseTime(d.date);
d.temp = +d.temp;
});
// Beginning of graph for 5 minute readings
var padding = 25;
var w = 600;
var h = 300;
var xScale = d3.scaleTime()
.domain(d3.extent(data, function(d) { return d.date; }))
.range([0, (w-2*padding)]); // max x screen space is width - twice padding
var yScale = d3.scaleLinear()
.domain([0,d3.max(data, function(d) {return d.temp})])
.range([(h-2*padding), 0]); // max y screen space is height - twice padding
var xAxis = d3.axisBottom(xScale) // d3 v.4
.tickFormat(d3.timeFormat('%H:%M '))
.scale(xScale);
var yAxis = d3.axisLeft(yScale)
.scale(yScale);
var svg = d3.select('#five-min-readings')
.append('svg') // create an <svg> element
.attr('id','svgHourly')
.attr("align","center")
.attr('width', w) // set its dimensions
.attr('height', h);
var valueline = d3.line()
.curve(d3.curveCardinal)
.x(function(d) { return xScale(d.date); })
.y(h - 2*padding - 4);
var valueline2 = d3.line()
.curve(d3.curveCardinal)
.x(function(d) { return xScale(d.date); })
.y(function(d) {return yScale(d.temp); });
svg.append("text") // text label for the x axis
.attr("x", 310)
.attr("y", h)
.style("font-size", "12")
.style("text-anchor", "middle")
.text("Time (5 min. intervals)");
svg.append("text") // text label for the x axis
.attr('transform', 'rotate(-90)')
.attr("x", -85) // Because rotate is first, x and y coordinates are transaposed
.attr("y", padding-17)
.style("font-size","10")
.style("text-anchor", "middle")
.text("Temp. Celcius");
svg.append("g")
.attr("class", "axis")
.attr("transform", "translate(" + (2*padding-15) + "," + (padding-15) + ")")
.call(yAxis);
svg.append('g') // create a <g> element
.attr('class', 'axis') // specify class
.attr("transform", "translate(" + (2*padding-15) + "," + (h - padding - 15) + ")")
.call(xAxis); // let the axis do its thing
svg.append('path')
.data([data])
.attr("class","line")
.attr('d', valueline)
.attr('stroke', "grey")
.attr('stroke-width', 1)
.style('fill', "white")
.attr("transform","translate(" + (2*padding - 13) + "," + (padding -10) + ")")
.transition()
.duration(3000)
.attr('d', valueline2);
var svg = d3.select('#svgHourly');
var rects = svg.selectAll('circle')
.data(data);
var newRects = rects.enter();
newRects.append('circle')
.attr('cx', function(d, i) { return (Math.random() * (w - 2*padding)) })
.attr('cy', h - 2*padding)
.attr('r', 5)
.attr("id", function(d,i){return "circle" + i})
.style('fill', "lightblue")
.attr("transform","translate(" + (2*padding - 18) + "," + (padding - 20) + ")")
.transition()
.duration(3000)
.delay(function(d, i) {return i * 300})
.attr('cx', function(d, i) { return (5 + xScale(d.date)); })
.attr('cy', function(d, i) { return 10 + yScale(d.temp); });
}); // closes getJSON()
@ofey這是一個猜測,我無法測試它,因爲我在Windows上使用Chrome。如果這不是問題,請告訴我,以便我可以刪除答案。 –
我也不使用iOS,所以我得找一個朋友來檢查它。如何在日期時間內獲得T? json數據是在python文件data [1] [「hourlyAverages」]中生成的。append({「date」:str(now),「temp」:str(temp)}) –
我以前在這裏看到過評論有人建議使用d3時間格式。我可能會先嚐試d3.timeParse()。謝謝 –