順序刻度與連續刻度非常相似。在連續規模上,域和範圍之間的映射是連續進行的。唯一的區別是此標度的輸出範圍由其內插器固定,並且該範圍無法更改。
d3.js中的sequence.interpolator()函數用於配置比例尺的插值器。如果指定了插值器,它將比例尺的插值器設置為指定的函數,否則返回標尺的當前插值器。
用法:
sequential.interpolator([interpolator]);
參數:該函數接受如上所述和以下描述的單個參數:
- interpolator:這需要內插器函數。如果未指定插值器,則返回標尺的當前插值器。
返回值:此函數不返回任何內容。
範例1:
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" path1tent=
"width=device-width,initial-scale=1.0"/>
<script src="https://d3js.org/d3.v6.min.js">
</script>
</head>
<body>
<h2 style="color:green"> GeeksforGeeks </h2>
<h4> D3.js | sequential.interpolator() Function</h4>
<script>
var sequential = d3.scaleSequential()
// Setting the interpolator of the scale.
.interpolator((t) => t * 2);
document.write("<p>sequential(2):",
sequential(2) + "</p>");
document.write("<p>sequential(4):",
sequential(4) + "</p>");
document.write("<p>sequential(10):",
sequential(10) + "</p>");
document.write("<p>sequential(20):",
sequential(20) + "</p>");
</script>
</body>
</html>
輸出:
範例2:
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" path1tent=
"width=device-width,initial-scale=1.0"/>
<script src="https://d3js.org/d3.v6.min.js">
</script>
</head>
<body>
<h2 style="color:green"> GeeksforGeeks </h2>
<h4>D3.js | sequential.interpolator() Function</h4>
<script>
var sequential = d3.scaleSequential()
// Setting the interpolator of the scale.
.interpolator(d3.interpolateSpectral)
// Setting the domain of the scale.
.domain([1, 100]);
document.write("<p>sequential(2):",
sequential(2) + "</p>");
document.write("<p>sequential(4):",
sequential(4) + "</p>");
document.write("<p>sequential(10):",
sequential(10) + "</p>");
document.write("<p>sequential(20):",
sequential(20) + "</p>");
</script>
</body>
</html>
輸出:
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注:本文由純淨天空篩選整理自tarun007大神的英文原創作品 D3.js sequential.interpolator() 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。