GraphML文件包含表情符号，但在Gephi中转换为黑色节点

Question

早上好，我正在尝试在gephi中可视化一个emoji graphml文件，但是当我导入它时，它一直显示像这样的黑点：。我不确定出了什么问题。我是否漏掉了什么？如果可以，请给我一些指导，我正在使用Windows 10。我以前从未使用过gephi，并进行了与该问题相关的谷歌搜索，发现了一些博客，但也没有解决问题。这里是我在R中编写的graphml文件的内容：

<?xml version="1.0" encoding="UTF-8"?>
<graphml xmlns="http://graphml.graphdrawing.org/xmlns"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://graphml.graphdrawing.org/xmlns
         http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd">
<!-- Created by igraph -->
  <key id="v_name" for="node" attr.name="name" attr.type="string"/>
  <graph id="G" edgedefault="undirected">
    <node id="n0">
      <data key="v_name"></data>
    </node>
    <node id="n1">
      <data key="v_name"></data>
    </node>
    <node id="n2">
      <data key="v_name"></data>
    </node>
    <node id="n3">
      <data key="v_name"></data>
    </node>
    <node id="n4">
      <data key="v_name"></data>
    </node>
    <node id="n5">
      <data key="v_name"></data>
    </node>
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      <data key="v_name"></data>
    </node>
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    </node>
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    </node>
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  </graph>
</graphml>

编辑：我已启用标签，但看到的是节点ID，而不是表情符号本身。

- CaseebRamos

Answer 1

我们可以使用名为imagepreview的插件。诀窍是，你需要将节点作为表情图像，并且这些表情符号必须以它们的UTF编码作为它们的名称。你还需要一个JAVA 6 JDK，因为自2015年以来没有更新插件。如果您已安装imagepreview插件，则应在右侧预览设置栏底部看到一个节点图像部分。勾选“将节点渲染为图像”，并在下面的字段中指定照片所在的文件夹。然后让您的数据包含UTF指向照片名称。

- CaseebRamos