The first circular colordiagram was designed by Sir Isaac Newton in 1666.
第一个色圈图正是由爱萨克·牛顿爵士于1666年设计的。
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The actions include color changes and text displays based on the values, as well as hyperlinks from specific areas of the diagram so that users can navigate to other diagrams.
The color coding of the diagram shows increasing technical solution specificity on the horizontal axis and increasing coverage of the business problem in the solution space on the vertical axis.