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The gauge is also an output type component. The result of the aggregation is represented on the gauge and provides a vigilant color range. For example, bind a field of a numeric type, and make summary statistics. The pointer corresponding to the result is displayed on the instrument's disk.

This component is composed of a set of vector graphics. Its output is a picture, which can be resized without any distortion.

This component supports filters, hyperlinks, highlighting features. When data linkage occurs in the filter component, this component will also be linked. When a brush or scaling behavior occurs, this component also scales the data accordingly.

This chapter mainly introduces how to create meters, how to define attributes, how to bind data, and various interactive functions.