d3.js arc.padAngle()用法及代码示例

D3.js库中的arc.padAngle()函数用于将圆弧的填充角度设置为指定的数字。此函数为某些填充圆弧设置相邻圆弧之间的角度。

用法:

 arc.padAngle([angle]);

参数：该函数接受如上所述和以下描述的单个参数。

angle:这需要一个与弧的填充角相对应的数字。

返回值：此函数不返回任何内容。

范例1：

HTML

<!DOCTYPE html> 
<html lang="en"> 
  
<head> 
    <meta charset="UTF-8" /> 
    <meta name="viewport" content= 
        "width=device-width,  
        initial-scale=1.0" /> 
  
    <!--Fetching from CDN of D3.js -->
    <script src= 
        "https://d3js.org/d3.v6.min.js"> 
    </script> 
</head> 
  
<body> 
    <div style="width:300px; height:300px;"> 
        <center> 
            <h1 style="color:green"> 
                GeeksforGeeks 
            </h1> 
            <h2> 
                arc.padAngle() 
            </h2> 
        </center> 
        <svg width="300" height="300"> 
        </svg> 
    </div> 
      
    <script> 
        var svg = d3.select("svg") 
            .append("g") 
            .attr("transform", "translate(150, 100)"); 
  
        // An arc will be produced 
        var arc = d3.arc() 
            .outerRadius(20) 
            .innerRadius(90) 
            .startAngle(5) 
            // Use of arc.padAngle() Function  
            .padAngle(.5) 
            .endAngle(0.5); 
  
        svg.append("path") 
            .attr("class", "arc") 
            .attr("d", arc); 
  
        let p = document.querySelector(".arc"); 
        p.style.fill = "green"; 
    </script> 
</body> 
  
</html>

输出：

范例2：

HTML

<!DOCTYPE html> 
<html lang="en"> 
  
<head> 
    <meta charset="UTF-8" /> 
    <meta name="viewport" content= 
        "width=device-width,  
        initial-scale=1.0" /> 
  
    <!--Fetching from CDN of D3.js -->
    <script src= 
        "https://d3js.org/d3.v6.min.js"> 
    </script> 
</head> 
  
<body> 
    <div style="width:300px; height:300px;"> 
        <center> 
            <h1 style="color:green"> 
                GeeksforGeeks 
            </h1> 
            <h2> 
                arc.padAngle() 
            </h2> 
        </center> 
        <svg width="300" height="300"> 
        </svg> 
    </div> 
  
    <script> 
        var svg = d3.select("svg") 
            .append("g") 
            .attr("transform",  
                "translate(150, 100)"); 
  
        // An arc will be produced 
        var arc = d3.arc() 
            .outerRadius(30) 
            .innerRadius(100) 
            .startAngle(10) 
            // Use of arc.padAngle() Function  
            .padAngle(12) 
            .endAngle(12); 
  
        svg.append("path") 
            .attr("class", "arc") 
            .attr("d", arc); 
  
        let p = document.querySelector(".arc"); 
        p.style.fill = "green"; 
    </script> 
</body> 
  
</html>

输出：

相关用法

注：本文由纯净天空筛选整理自tarun007大神的英文原创作品 D3.js arc.padAngle() Function。非经特殊声明，原始代码版权归原作者所有，本译文未经允许或授权，请勿转载或复制。