超过图像和比例的SVG
[英]Svg above a image and scale
问题描述
I have a page that haves a image of a bag, and above the bag image i putted a svg overlay, the problem is that the svg is not overllaping on the image and also is not being responsive. 
我的页面上有一个包的图像，在包图像上方，我放了一个svg叠加层，问题是svg不会在图像上重叠，也没有响应。
Working example: https://jsbin.com/lilaxizizo/1/edit 工作示例： https ： //jsbin.com/lilaxizizo/1/edit
code: 码：
<!DOCTYPE html>
<html>
<head>
<title>SVG </title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<!-- Optional theme -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" integrity="sha384-rHyoN1iRsVXV4nD0JutlnGaslCJuC7uwjduW9SVrLvRYooPp2bWYgmgJQIXwl/Sp" crossorigin="anonymous">
<!-- Latest compiled and minified JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
</head>
<body>
<div class="container">
<div id="wrapper">
<img class="img-responsive" src="duffell_bag.jpg" alt="Planets" usemap="#bag">
<svg style="position:absolute;z-index:10" height="300" width="500">
<polygon points="103,79,119,74,136,68,173,67,202,70,262,78,316,89,380,97,393,121,402,157,407,184,418,216,424,249,419,261,404,274,359,288,332,294,271,284,195,266,142,255,83,238,59,223,64,177" style="fill-opacity:0.1;fill:lime;stroke:purple;stroke-width:1" />
Sorry, your browser does not support inline SVG.
</svg>
</div>
</div>
</body>
</html>
2 个解决方案
解决方案1
2 2016-10-04 18:33:58
First, if you want the SVG to be responsive, you need to give it a viewBox . 首先，如果您想让SVG响应，则需要为其提供一个viewBox 。 See this question for more details. 有关更多详细信息，请参见此问题。
How can I make an svg scale with its parent container? 如何使用其父容器制作svg秤？
Next, if you want the SVG to sit on top of the image, surround them both with a <div> with postion: relative . 接下来，如果您想让SVG位于图片上方，请用<div>和postion: relative包围它们。 That way, if you absolutle position the SVG, it will be relative to the div and not the whole page. 这样，如果您绝对定位SVG，它将相对于div而不是整个页面。
div { position: relative; } img, svg { width: 500px; } svg { position: absolute; top: 0; left: 0; }
<div> <img class="img-responsive" src="http://i.imgur.com/icQzdFl.jpg"> <svg height="300" width="500"> <polygon points="103,79,119,74,136,68,173,67,202,70,262,78,316,89,380,97,393,121,402,157,407,184,418,216,424,249,419,261,404,274,359,288,332,294,271,284,195,266,142,255,83,238,59,223,64,177" style="fill-opacity:0.1;fill:lime;stroke:purple;stroke-width:1" /> </svg> </div>
解决方案2
-1 2016-10-04 18:24:48
Add 'margin-top' to the svg element. 将'margin-top'添加到svg元素。 I've tested it and a value of '-305px' seems to do the trick. 我已经测试过，“-305px”的值似乎可以解决问题。
<svg style="margin-top:-305px;position:absolute;z-index:10" height="300" width="500">
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