D3.js interpolatePuBu()函数

D3.js 中的d3.interpolatePuBu()函数用于从以 RGB字符串形式返回的“PuBu”顺序配色方案中返回特定颜色。

句法：

d3.interpolatePuBu(t)

参数：此函数接受如上所述和如下所述的单个参数：

• t： “t”是 [0,1] 范围内的数字

返回值：它返回一个 RGB字符串。

下面给出了上面给出的函数的几个例子。

示例 1：

HTML

  

    
    
  
    D3.js interpolatePuBu() Function
    
    
    
    
    
    
    
    

  

    
        GeeksForGeeks
       
        D3.js interpolatePuBu() Function
          
         
            document.write(d3.interpolatePuBu(0)+"<br>"); 
            document.write(d3.interpolatePuBu(0.1)+"<br>");
            document.write(d3.interpolatePuBu(0.2)+"<br>");
            document.write(d3.interpolatePuBu(0.3)+"<br>");
            document.write(d3.interpolatePuBu(0.4)+"<br>");
            document.write(d3.interpolatePuBu(0.5)+"<br>");
            document.write(d3.interpolatePuBu(0.6)+"<br>");
            document.write(d3.interpolatePuBu(0.7)+"<br>");
            document.write(d3.interpolatePuBu(0.8)+"<br>");
            document.write(d3.interpolatePuBu(0.9)+"<br>");
            document.write(d3.interpolatePuBu(1));
         
    

  

输出：

示例 2：

HTML

  

    
    
  
    D3.js interpolatePuBu() Function
    
    
    
    
    
    
    
    
  
     
        div { 
            padding: 3px; 
            width: fit-content; 
            height: 20px;
            width: 250px;
        } 
     

  

    
        GeeksForGeeks
       
        D3.js interpolatePuBu() Function
          
         
             
                D3.interpolatePuBu(0) 
             
         
         
             
                D3.interpolatePuBu(0.1)  
             
         
         
             
                D3.interpolatePuBu(0.2)
             
         
         
             
                D3.interpolatePuBu(0.3)  
             
         
         
             
                D3.interpolatePuBu(0.4) 
             
         
         
             
                D3.interpolatePuBu(0.5)  
             
         
         
             
                D3.interpolatePuBu(0.6)  
             
         
         
             
                D3.interpolatePuBu(0.7) 
             
         
         
             
                D3.interpolatePuBu(0.8)  
             
         
         
             
                D3.interpolatePuBu(0.9)  
             
         
         
             
                D3.interpolatePuBu(1)  
             
         
         
            // Array of colors is given 
            let color1 = d3.interpolatePuBu(0.0); 
            let color2 = d3.interpolatePuBu(0.1); 
            let color3 = d3.interpolatePuBu(0.2); 
            let color4 = d3.interpolatePuBu(0.3); 
            let color5 = d3.interpolatePuBu(0.4); 
            let color6 = d3.interpolatePuBu(0.5);
            let color7 = d3.interpolatePuBu(0.6); 
            let color8 = d3.interpolatePuBu(0.7); 
            let color9 = d3.interpolatePuBu(0.8); 
            let color10 = d3.interpolatePuBu(0.9); 
            let color11 = d3.interpolatePuBu(1.0); 
      
            let b1 = document.querySelector(".b1"); 
            let b2 = document.querySelector(".b2"); 
            let b3 = document.querySelector(".b3"); 
            let b4 = document.querySelector(".b4"); 
            let b5 = document.querySelector(".b5"); 
            let b6 = document.querySelector(".b6"); 
            let b7 = document.querySelector(".b7"); 
            let b8 = document.querySelector(".b8"); 
            let b9 = document.querySelector(".b9"); 
            let b10 = document.querySelector(".b10"); 
            let b11 = document.querySelector(".b11"); 
              
            b1.style.backgroundColor = color1; 
            b2.style.backgroundColor = color2;
            b3.style.backgroundColor = color3; 
            b4.style.backgroundColor = color4;
            b5.style.backgroundColor = color5; 
            b6.style.backgroundColor = color6;
            b7.style.backgroundColor = color7;
            b8.style.backgroundColor = color8; 
            b9.style.backgroundColor = color9;
            b10.style.backgroundColor = color10; 
            b11.style.backgroundColor = color11;
        
    

  

输出：