地図のルートを表す複数のパスを持つプロジェクトに取り組んでいます。このd3ネストの例に従って、データをキーでグループ化して複数のルートを作成します。
円要素をアニメーション化して、それぞれの個別のルートパスに沿って遷移させたいと思います。私の問題はこの例とこの解決策に非常に似ていることがわかりますが、解決策を私の例に適用する方法がわかりません。
グループのインデックス/キーをcreatePathTween関数に取り込む方法がわかりません。したがって、各ルート/パスに沿って遷移する円要素ではなく、最初のグループに1つの円要素しかありません。誰かが各ルートパスに遷移円要素を配置する方法を理解するのを手伝ってもらえますか?
これは私のd3コードです
<html>
<head>
<title>Hello</title>
<script src="http://d3js.org/d3.v4.min.js" charset="utf-8"></script>
<style>
}
.placeVisited{
fill:#999;
}
.journey{
fill: none;
}
</style>
</head>
<body>
<script>
var width = 1200;
var height = 550;
var svg = d3.select( "body" )
.append( "svg" )
.attr( "width", width )
.attr( "height", height );
var g = svg.append( "g" );
var projection = d3.geoMercator()
.center([55, 12])
.scale(220)
.translate([width/2,height/2])
var geoPath = d3.geoPath()
.projection(projection);
var voyageLine = d3.line()
.x(function(d) { return projection([d.lon,d.lat])[0] ; })
.y(function(d) { return projection([d.lon,d.lat])[1]; })
.curve(d3.curveBasis);
var parseDate = d3.timeParse("%d %B %Y");
var parseYear = d3.timeParse("%Y");
var color = d3.scaleOrdinal(d3.schemeCategory10);
d3.queue()
.defer(d3.csv, "multipleVoyages2.csv")
.await(ready);
function ready (error, data){
data.forEach(function(d) {
d.year = parseYear(d.year);
d.lon= +d.lon;
d.lat = +d.lat;
});
var dataNest = d3.nest()
.key(function(d){return d.VoyageID;})
.entries(data);
var journey = g.selectAll(".journey")
.data(dataNest)
.enter()
.append("path")
.attr("class", "journey")
.style("stroke", function(d) {
return d.color = color(d.key); })
.attr("d", function(d){
return voyageLine(d.values);
})
.attr("stroke-dasharray", function() {
var totalLength = this.getTotalLength();
return totalLength + " " + totalLength;
})
.attr("stroke-dashoffset", function() {
var totalLength = this.getTotalLength();
return totalLength;
})
.transition()
.ease(d3.easeLinear)
.duration(5000)
.attr("stroke-dashoffset", 0);
var marker = g.append("circle")
.attr("r", 7)
.style("fill", "pink")
.attr("transform", "translate(-100,-100)")
.transition()
.ease(d3.easeLinear)
.duration(5000)
.attrTween("transform", createPathTween);
var placeGroups = g.selectAll(".placeVisited")
.data(dataNest)
.enter()
.append( "g" )
.attr("class","placeVisited");
var placeVisited = placeGroups.selectAll("placeVisited")
.data(function(d){
return d.values;
})
.enter()
.append("circle")
.attr("fill", function(d){
return d.color = color(d.VoyageID);
})
.attr("cx", function(d, i) {
return projection([d.lon, d.lat])[0];
})
.attr("cy", function(d, i) {
return projection([d.lon, d.lat])[1];
})
.attr("r", 5)
//transitioning marker
//from this example -- http://fiddle.jshell.net/RnNsE/2/
function createPathTween(d, i, a) {
// var path = this.parentNode.getElementsByTagName("journey")[0];
var path = this.parentNode.getElementsByClassName("journey")[i]; //don't understand how to get the index for each group
var l = path.getTotalLength();
console.log("path");
console.log(path);
return function(t) {
var p = path.getPointAtLength(t * l);
return "translate(" + p.x + "," + p.y + ")";
};
}
}
</script>
</body>
</html>
と私のcsv:
VoyageID,VoyageType,voyageName,ObjectID,arrivalDateTxt,year,ObjectNumber,placeName,lon,lat,url,,,
1,Pleasure cruise,Postcards home,170207,14 January 1906,1906,ANMS1113[006],Port Pirie,138.16,-33.183,http://collections.anmm.gov.au/en/objects/details/170207/,,,
1,Pleasure cruise,Postcards home,170205,1 May 1907,1907,ANMS1113[004],Mount Lofty Ranges,138.6,-34.933,http://collections.anmm.gov.au/en/objects/details/170205/,,,
1,Pleasure cruise,Postcards home,170216,26 October 1907,1907,ANMS1113[015],Brisbane,153,-27.5,http://collections.anmm.gov.au/en/objects/details/170216/,,,
1,Pleasure cruise,Postcards home,170200,4 November 1907,1907,ANMS1113[001],Adelaide,138.6,-34.933,http://collections.anmm.gov.au/en/objects/details/170200/,,,
1,Pleasure cruise,Postcards home,170213,26 November 1907,1907,ANMS1113[012],Fremantle,115.766,-32.5,http://collections.anmm.gov.au/en/objects/details/170213/,,,
1,Pleasure cruise,Postcards home,170209,3 December 1907,1907,ANMS1113[008],Adelaide,138.6,-34.933,http://collections.anmm.gov.au/en/objects/details/170209/,,,
1,Pleasure cruise,Postcards home,170212,10 December 1907,1907,ANMS1113[011],Melbourne,144.966,-37.75,http://collections.anmm.gov.au/en/objects/details/170212/,,,
1,Pleasure cruise,Postcards home,170217,20 December 1907,1907,ANMS1113[016],Sydney,151.166,-33.916,http://collections.anmm.gov.au/en/objects/details/170217/,,,
1,Pleasure cruise,Postcards home,170203,26 December 1907,1907,ANMS1113[002],Brisbane,153,-27.5,http://collections.anmm.gov.au/en/objects/details/170203/,,,
1,Pleasure cruise,Postcards home,170215,26 December 1907,1907,ANMS1113[014],Brisbane,153,-27.5,http://collections.anmm.gov.au/en/objects/details/170215/,,,
1,Pleasure cruise,Postcards home,170211,8 January 1908,1908,ANMS1113[010],Port Pirie,138.16,-33.183,http://collections.anmm.gov.au/en/objects/details/170211/,,,
1,Pleasure cruise,Postcards home,170208,14 January 1908,1908,ANMS1113[007],Port Pirie,138.16,-33.183,http://collections.anmm.gov.au/en/objects/details/170208/,,,
2,Kayak adventure,Oskar,1,1 March 1961,1961,,London,-0.127758,51.507351,,,,
2,Kayak adventure,Oskar,2,2 April 1961,1961,,Paris,2.352222,48.856614,,,,
2,Kayak adventure,Oskar,3,3 June 1961,1961,,Lyon,4.835659,45.764043,,,,
2,Kayak adventure,Oskar,4,28 June 1961,1961,,Calais,1.858686,50.95129,,,,
2,Kayak adventure,Oskar,5,10 July 1961,1961,,Frankfurt,8.682127,8.682127,,,,
2,Kayak adventure,Oskar,6,19 December 1961,1961,,Berlin,13.404954,52.520007,,,,
2,Kayak adventure,Oskar,7,25 January 1962,1962,,Amsterdam,4.895168,52.370216,,,,
2,Kayak adventure,Oskar,8,30 June 1962,1962,,rome,12.496366,41.902783,,,,
2,Kayak adventure,Oskar,9,24 November 1962,1962,,Milan,9.189982,45.464204,,,,
2,Kayak adventure,Oskar,10,19 January 1963,1963,,Turin,7.686856,45.070312,,,,
2,Kayak adventure,Oskar,11,27 January 1963,1963,,Florence,11.255814,43.76956,,,,
2,Kayak adventure,Oskar,12,30 April 1963,1963,,Vienna,16.373819,48.208174,,,,
3,Whaling ,Barque Terror,123,12 March 1845,1845,,Island 1,155.370833,-24.916667,,,,
3,Whaling ,Barque Terror,777,15 March 1845,1845,,Island 2,162.81738,-20.6739,,,,
3,Whaling ,Barque Terror,546,22 March 1845,1845,,Place in ocean 3,160.26464,-11.66325,,,,
3,Whaling ,Barque Terror,888,23 July 1845,1845,,Place in ocean 4,161.94638,-10.18388,,,,
3,Whaling ,Barque Terror,543,19 December 1845,1845,,Place in ocean 5,160.90712,-8.94461,,,,
3,Whaling ,Barque Terror,2134,22 January 1846,1846,,Place in ocean 6,158.74232,-9.01835,,,,
3,Whaling ,Barque Terror,6666,30 January 1846,1846,,Back home,157.26555,-8.19361,,,,
あなたはあなたとあなたの両方のためpaths
のdelay
機能を使い終わった後にアニメーション化することができpath
ますmarker
:
.duration(5000)
.delay(function(d, i) { // 'i' will give you the index
return i * 5000; // Multiply by 5000 so that it starts after the previous one has finished.
});
そしてcircle
、すべてのマーカーを取得path
するには、次のcircles
ように同じ数を作成する必要があります。
var marker = g.selectAll('circle')
.data(dataNest).enter()
.append("circle")...
またd3.curveCatmullRom
、より良いために使用しますpath
。
これがプランカーです
この記事はインターネットから収集されたものであり、転載の際にはソースを示してください。
侵害の場合は、連絡してください[email protected]
コメントを追加