Then you draw the bar graphs seen in Figure 1, by iterating over the report data.
然后,您通过迭代报告数据,绘制 图 1 中的柱状图。
Say you wanted to extend numbers in Ruby to make it easy to implement simple bar graphs.
假设您想要在 Ruby 中扩展数字来简化柱状图的实现过程。
I had already written code that could draw bar charts, line graphs, and scatter plot graphs in SVG very nicely.
于是我便写了一些代码,以便能够精细地使用svg绘制柱状图、线图和散点图。
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