SVG FETurbulenceElement.baseFrequencyY属性用法及代码示例

SVG FETurbulenceElement.baseFrequencyY属性返回与FETurbulenceElement.baseFrequencyY元素的Y组件相对应的SVGAnimatedNumber对象。

用法:

var a = FETurbulenceElement.baseFrequencyY

返回值：此属性返回与FETurbulenceElement.baseFrequencyY元素的Y组件相对应的SVGAnimatedNumber对象。

范例1：

HTML

<!DOCTYPE html>  
<html>  
  
<body>  
  
    <svg width="200" height="200"
        viewBox="0 0 220 220">  
  
        <filter id="FillPaint">  
  
            <feTurbulence id='gfg' type="turbulence"
                baseFrequency="0.5" numOctaves="2"
                seed="5" stitchTiles="stitch" />  
  
            <feDisplacementMap in2="turbulence"
                in="SourceGraphic" scale="50"
                xChannelSelector="B"
                yChannelSelector="B" />  
  
        </filter>  
          
        <rect width="200" height="200"
            style=" fill:green;  
            filter:url(#FillPaint);" /> 
               
        <script type="text/javascript"> 
            var g = document.getElementById("gfg"); 
            console.log(g.baseFrequencyY); 
            console.log("base Frequency Y value is:", 
                g.baseFrequencyY.baseVal); 
        </script>  
    </svg>  
</body>  
  
</html>

输出：

范例2：

HTML

<!DOCTYPE html>  
<html>  
  
<body>  
  
    <svg width="400" height="400"
        viewBox="0 0 250 250">  
  
        <filter id="FillPaint">  
  
            <feTurbulence id="gfg" type="fractalNoise"
                baseFrequency="2" numOctaves="2"
                seed="1" stitchTiles="stitch"
                result="turbulence" />  
  
            <feDisplacementMap in2="turbulence"
                in="SourceGraphic" scale="50"
                xChannelSelector="B"
                yChannelSelector="B" />  
  
        </filter>  
          
        <ellipse cx="100" cy="60" rx="100"
            ry="50" style=" fill:green;  
            filter:url(#FillPaint);" />  
        <script type="text/javascript"> 
            var g = document.getElementById("gfg"); 
            console.log(g.baseFrequencyY); 
            console.log("base Frequency Y value is:", 
                g.baseFrequencyY.baseVal); 
        </script> 
    </svg>  
</body>  
  
</html>

输出：

支持的浏览器：

谷歌浏览器
Edge
Firefox
Safari
Opera
IE浏览器

相关用法

注：本文由纯净天空筛选整理自taran910大神的英文原创作品 SVG FETurbulenceElement.baseFrequencyY Attribute。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。