matplotlib.widgets# 带注解的光标 非双射函数的问题’ 按钮 检查按钮 Cursor 套索选择器 菜单 Mouse Cursor Multicursor Select indices from a collection using polygon selector Polygon Selector Radio Buttons Thresholding an Image with RangeSlider Rectangle and ellipse selectors Slider Snapping Sliders to Discrete Values Span Selector Textbox
