Is there a way to input direction in matlab UI

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xiaojuezi el 10 de Ag. de 2020
Comentada: Walter Roberson el 11 de Ag. de 2020
Hi, I would like to let users to click on an image and input the normal vector of the pixel. Is there a way to let the users input the direction elegantly? For example a sphere for users to rotate or something like that?
Thank you very much.
  6 comentarios
Rik el 11 de Ag. de 2020
Those two are the inverse of eachother, so if you have a separate axes with the arrow, you can rotate that view until it is correct and translate the camera postition back to the rotation you would need to apply to the arrow.
Walter Roberson
Walter Roberson el 11 de Ag. de 2020
When you put up an axes (possibly in a separate figure) with just an arrow, then adjusting the view is the same thing as adjusting the arrow angle. Eventually you read off the view() of that axes and use it as the data you wanted about the normal vector of pixel.
I would not say that this is a great way, but it has the advantage of being intuitive to anyone who has used the existing rotate3d tool, and should be easy to code.

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