首页 \ 问答 \ 在Graph Viewer中配置标签属性(Configuring label attributes in Graph Viewer)

在Graph Viewer中配置标签属性(Configuring label attributes in Graph Viewer)

在ArangoDB Web界面中创建要查看的图形时,我遇到了顶点和边缘标签的一些问题:

  1. 我只能将Vertex / Edge属性设置为简单键。 我无法让更深层次的对象引用工作。
    例如, name的顶点标签属性有效,但info.firstNameinfo["firstName"]不是,即使该值在顶点上。 如果我使用对象引用,则图形显示ATTR NOT SET

  2. 以编程方式创建Graph时,我不知道如何设置:

    1. 顶点标签
    2. 顶点着色属性
    3. 边缘标签

使用Node.js和arangojs npm包创建图形时,我使用graph.create命令,例如:

  var graph = db.graph('myGraph');
  graph.create({
      edgeDefinitions: [
        {
          collection: 'myEdges',
          from: [
            'myNodes'
          ],
          to: [
            'myNodes'
          ]
        }
      ]
    })

有没有办法在ArangoDB Web界面中完全配置图表以进行正确的格式化? 我似乎无法在库中找到任何其他功能,让我这样做。

我一直在破坏和重新创建图形,完全创建一个已配置的图形,在顶点(和边缘)内引用标签的对象会很棒。

谢谢


When creating graphs for viewing in the ArangoDB Web Interface, I am having some issues with labels for Vertices and Edges:

  1. I can only set Vertex/Edge attributes to simple keys. I cannot get deeper object references working.
    e.g. a vertex label attribute of name is valid, but info.firstName or info["firstName"] are not, even though the value is on the vertex. The graph displays ATTR NOT SET if I use object references

  2. When programmatically creating a Graph, I don't know how to set:

    1. Vertices labels
    2. Vertices Coloring attributes
    3. Edge Labels

When creating a graph with Node.js and the arangojs npm package, I use the graph.create command, for example:

  var graph = db.graph('myGraph');
  graph.create({
      edgeDefinitions: [
        {
          collection: 'myEdges',
          from: [
            'myNodes'
          ],
          to: [
            'myNodes'
          ]
        }
      ]
    })

Is there a way to fully configure the graph for proper formatting in the ArangoDB Web Interface? I can't seem to find any other function in the libraries that would let me do this.

I destroy and recreate graphs all the time and it would be great to fully create a configured graph, referencing objects within the vertex (and edges) for labels.

Thanks


原文:https://stackoverflow.com/questions/35127010
更新时间:2023-12-25 12:12

最满意答案

答案是将一个notifyDataSetChanged()添加到绘图函数的末尾。

根据我在MPAndroid Chart(ios-Charts的Android版本)上找到的这个文档

notifyDataSetChanged():让图表知道它[原文]基础数据已更改,并执行所有必要的重新计算(偏移量,图例,最大值,最小值...)。 这在动态添加数据时尤其需要。


The answer was to add a notifyDataSetChanged() to the end of the plot function.

Per this documentation I found on MPAndroid Chart (the Android version of ios-Charts),

notifyDataSetChanged(): Lets the chart know it's [sic] underlying data has changed and performs all necessary recalculations (offsets, legend, maxima, minima, ...). This is needed especially when adding data dynamically.

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