What is the difference between drawrectange and rectangle?

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Adrian Lee
Adrian Lee 2021-4-25
编辑： DGM 2021-4-26
i have been using drawrectangle
but i recently found out that there is a function called rectangle which is almost the same
what is the difference between drawrectangle and rectangle?

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DGM
DGM 2021-4-25
编辑：DGM 2021-4-25
To my understanding, rectangle() is an older function which serves to draw rectangular or rounded rectangular graphical objects. The goal is to create an image element in a figure, just like line().
On the other hand, drawrectangle() allows the creation of objects of class Rectangle. The goal is to define a rectangular ROI, more like an object-oriented evolution of getrect() than what I'd call a "drawing" tool. drawrectangle() is also a much newer (R2018x, I think?) tool.
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Scott MacKenzie
Scott MacKenzie 2021-4-26
Hmmm, I'm a bit curious about this myself. I use rectangle all the time, but not drawrectangle. It just tried
>> doc drawrectangle
and got "no results". I'm guessing drawrectangle is not part of MATLAB, but is part of some other MathWorks product.
DGM
DGM 2021-4-26
编辑：DGM 2021-4-26
Yeah, drawrectangle is a relatively new addition to the imuitools portion of Image Processing Toolbox.

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