What are the backend layers three built-in interface classes:1 pointFigure, Renderer, and CanvasFigureCanvas, Renderer, and EventRenderer, Event, and FigureFigureCanvas, Figure, and Event
Question
What are the backend layers three built-in interface classes:1 pointFigure, Renderer, and CanvasFigureCanvas, Renderer, and EventRenderer, Event, and FigureFigureCanvas, Figure, and Event
Solution
The three built-in interface classes for backend layers in Matplotlib, a popular data visualization library in Python, are FigureCanvas, Renderer, and Event.
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FigureCanvas: This is the area onto which the figure is drawn. It is the 'paper' equivalent in the real world.
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Renderer: This is the object which knows how to draw on the FigureCanvas. It contains the methods for drawing shapes like lines, rectangles, etc.
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Event: This handles user inputs such as keyboard strokes and mouse clicks.
So, the correct answer is FigureCanvas, Renderer, and Event.
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