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d3.js chord.sortGroups()用法及代碼示例

D3.js中的chord.sortGroups()函數用於將組比較器設置為指定函數或為null,並返回此和弦布局。

用法:

chord.sortGroups( [compare] )

參數:該函數接受如上所述和以下描述的單個參數

  • compare:該參數是設置組比較器的函數。

返回值:此函數返回和弦布局。

以下示例程序旨在說明D3.js中的chord.sortGroups()函數:



範例1:

HTML

<!DOCTYPE html> 
<html> 
  
<head> 
    <script src="https://d3js.org/d3.v4.min.js"> 
    </script> 
</head> 
  
<body> 
    <center> 
        <h1 style="color:green;">GeeksForGeeks</h1> 
  
        <h3>D3.js | chord.sortGroups() Function</h3> 
        <div id="GFG"></div> 
  
        <script> 
            // Create the svg area 
            var svg = d3.select("#GFG") 
                .append("svg") 
                .attr("width", 320) 
                .attr("height", 320) 
                .append("g") 
                .attr("transform", "translate(160,160)") 
  
            // Create input data 
            var data = [[10, 161, 80, 80, 12, 34, 53], 
            [13, 990, 9, 69, 76, 35, 4], 
            [175, 71, 16, 68, 0, 0, 3], 
            [51, 148, 60, 71, 34, 5, 1], 
            [13, 990, 9, 69, 76, 35, 4], 
            [175, 71, 16, 68, 0, 0, 3], 
            [51, 148, 60, 71, 34, 5, 1]]; 
  
            // Give this matrix to d3.chord() 
            var chords = d3.chord() 
                .padAngle(0.1) 
  
                // Use of chord.sortGroups() Function 
                .sortGroups(d3.ascending) 
                (data) 
  
            svg.datum(chords) 
                .append("g") 
                .selectAll("g") 
                .data(function (d) { return d.groups; }) 
                .enter() 
                .append("g") 
                .append("path") 
                .style("fill", "green") 
                .style("stroke", "black") 
                .attr("d", d3.arc() 
                    .innerRadius(100) 
                    .outerRadius(150) 
                ) 
  
            svg.datum(chords) 
                .append("g") 
                .selectAll("path") 
                .data(function (d) { return d; }) 
                .enter() 
                .append("path") 
                .attr("d", d3.ribbon() 
                    .radius(100) 
                ) 
                .style("fill", "red") 
                .style("stroke", "black"); 
        </script> 
    </center> 
</body> 
  
</html>

輸出:

範例2:

HTML

<!DOCTYPE html> 
<html> 
  
<head> 
    <script src="https://d3js.org/d3.v4.min.js"> 
    </script> 
    <script src= 
        "https://d3js.org/d3-color.v1.min.js"> 
    </script> 
    <script src= 
    "https://d3js.org/d3-interpolate.v1.min.js"> 
    </script> 
    <script src= 
    "https://d3js.org/d3-scale-chromatic.v1.min.js"> 
    </script> 
</head> 
  
<body> 
    <center> 
        <h1 style="color:green;">GeeksForGeeks</h1> 
  
        <h3>D3.js | chord.sortGroups() Function</h3> 
        <div id="GFG"></div> 
  
        <script> 
  
            // Create the svg area 
            var svg = d3.select("#GFG") 
                .append("svg") 
                .attr("width", 340) 
                .attr("height", 340) 
                .append("g") 
                .attr("transform", "translate(170,170)") 
  
            // Create input data 
            var data = [[0, 71, 89, 68, 71, 89, 68], 
            [11, 0, 60, 71, 9, 9, 0], 
            [10, 145, 0, 85, 145, 0, 85], 
            [13, 9, 9, 0, 0, 60, 71], 
            [13, 9, 9, 0, 0, 60, 71], 
            [10, 145, 0, 85, 145, 0, 85], 
            [0, 71, 89, 68, 71, 89, 68]]; 
  
            // 4 groups, so create a vector 
            // of 4 colors 
            var colors = [d3.schemeSet1[0],  
                d3.schemeCategory10[1], 
                d3.schemeCategory10[2],  
                d3.schemeCategory10[3], 
                d3.schemeCategory10[4],  
                d3.schemeCategory10[5], 
                d3.schemeCategory10[6]]; 
  
            var colors_1 = [d3.schemeSet1[0],  
                d3.schemeSet1[1], 
                d3.schemeSet1[2],  
                d3.schemeSet1[3], 
                d3.schemeSet1[4],  
                d3.schemeSet1[5], 
                d3.schemeSet1[6]]; 
  
            // Give this matrix to d3.chord() 
            var chords = d3.chord() 
                .padAngle(0.07) 
  
                // Use of chord.sortGroups() Function 
                .sortGroups(d3.descending) 
                (data) 
  
            svg.datum(chords) 
                .append("g") 
                .selectAll("g") 
                .data(function (d) { return d.groups; }) 
                .enter() 
                .append("g") 
                .append("path") 
                .style("fill", function (d, i) { 
                    return colors[i] 
                }) 
                .style("stroke", "black") 
                .attr("d", d3.arc() 
                    .innerRadius(150) 
                    .outerRadius(160) 
                ) 
  
            svg.datum(chords) 
                .append("g") 
                .selectAll("path") 
                .data(function (d) { return d; }) 
                .enter() 
                .append("path") 
                .attr("d", d3.ribbon() 
                    .radius(150) 
                ) 
                .style("fill", function (d, i) { 
                    return colors_1[i] 
                }) 
                .style("stroke", "black"); 
        </script> 
    </center> 
</body> 
  
</html>

輸出:




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注:本文由純淨天空篩選整理自SHUBHAMSINGH10大神的英文原創作品 D3.js chord.sortGroups() Function。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。