将SVG Group of Circles统一到单一路径

Question

我可能把这个问题标题错了，因为我真的不知道如何问我想要做什么。让我解释一下。

我有一个包含约700个组（<g></g>）的大型SVG文件。每个组具有不同数量的<circle>个不同位置的路径，组内的所有圆圈具有相同的半径和颜色。目前，每个圈子都是它自己的路径，这使得文件太大而无法做任何事情，因为有数十万个这样的圈子。我需要将每个组中的所有圆组合成一个路径。我已经想出如何在Adobe Illustrator中执行此操作，我这样做的方法是从图层面板中选择组内的所有圆圈，然后使用Windows＆gt; Pathfinder＆gt; Unite将圆圈合并为一个形状。但是，我必须一个接一个地浏览每个组，这太过分了。有什么能为我做这样的事情吗？我不想花几天时间浏览每一个团队联合他们......

我的SVG示例：

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当我使用Illustrator联合圈子时，它看起来像这样（你可以看到它，它要小得多）：

<g clip-path="url(#a)" transform="translate(353688.12 120977.663) scale(.695)" fill="none" stroke="#a1c3cc">
    <path d="M-942472.56-471233.662H942477.89h-5.236V471233.714H-942477.89h5.236V-470191.752" stroke-width=".1"/>
    <path d="M-942477.796-172787.596H942477.796M-507890.812 471238.898V-471238.898" stroke-width="1.1"/>
</g>

那里有什么可以帮我的吗？或者比我提到的方式更快的速度？也许这是Snap.svg可以做的事情，我无法弄明白？

Answer 1

即使有可能使用某些js，IMHO Illustrator（您已经使用过的工具）也为您提供了一种方法。 （或者如果他们没有给予那么可能）

据我所知，你已经有了这样的结构，但重复了一千次：

然后，您要做的是使用Illustrator的路径查找器中的联合工具为每个组。

所以让Illustrator为你做。

• 创建操作：Window > Actions > Create New Action （位于新打开的面板的右下角）。设置它的名字。然后它开始记录你正在做的事情，所以请密切注意弹出面板，以避免发生不良后果。

• 选择第一个组，如下面的快照中所示。将联合路径查找器应用于它。

• 选择下一个组，但为了将其保存在我们的批处理操作中，使用Select > Next Object Below。确保选择操作已保存在“动作”面板中：

• 然后您可以点击左下角的方块停止录制。

• 现在，您要么选择单击播放按钮一千次，要么制作脚本来执行此操作。
  似乎Adobe的ExtendScript无法调用动作也不能调用Pathfinder工具......所以，如果你在mac上，你将不得不使用AppleScript，或者在wins上使用VBscript。

我不知道VB，但这里是AppleScript，你会得到逻辑。

tell application "Adobe Illustrator"
    activate
    set x to count group items of document 1
    repeat x times
        do script "Your Awesome Action" from "Default Actions"
    end repeat
end tell

从AppleScript编辑器执行此脚本（您的文档仍然打开，选择了尚未统一的组）等待片刻，然后您就完成了。

Answer 2

我不太确定你到底是什么，并且不确定它会小得多，将圆圈表示为路径，它最终在路径字符串中包含更多信息，但你确实摆脱了一些标记（也许是dom元素）。所以不确定这种类型的东西是不是你想要的东西，但可能会给你一些想法...

假设你有一些圈子......

<svg id="svg" version="1.1" xmlns="http://www.w3.org/2000/svg">
   <circle cx="50.202" cy="50.972" r="10.1"/>
   <circle cx="40.186" cy="50.37" r="10.1"/>
   <circle cx="30" cy="50.771" r="10.1"/>
</svg>

您可以使用Snap迭代它们并构建一个字符串，就像这样..

Snap.plugin( function( Snap, Element, Paper, global ) {
        Paper.prototype.circlePathString = function(cx,cy,r) {
            var p = "M" + cx + "," + cy;
            p += "m" + -r + ",0";
            p += "a" + r + "," + r + " 0 1,0 " + (r*2) +",0";
            p += "a" + r + "," + r + " 0 1,0 " + -(r*2) + ",0";
            return p;
        };
});

var s = Snap("#svg");
var totalPath = '';
var circles = s.selectAll('circle');

circles.forEach( function( el ) {
   totalPath += s.circlePathString( el.attr('cx'), el.attr('cy'),    el.attr('r') );
   el.remove();
} );

var newCirclePath = s.path( totalPath ).attr({ fill: 'red' });
alert( s.innerSVG() );

您必须遍历每个组并添加新路径，但它可能很有用。我不确定插画家是否正在做其他聪明的事情以减小尺寸，或者是否有更简单的方法来表示路径中的圆圈（或者如果我只是忽略了这一点），那么这可能还不够，但可以帮助别人。

jsfiddle