zSlider(...)
Pickable points derived from the _zPoint abstract class constrained to move on a given geometric object of the complex plane
def zSlider
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returns: | A point that is pickable, with movement constrained with reference to a given geometric object of the complex plane |
class zLineSlider
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returns: | a point on the given line of the complex plane which can be picked, but with movement constrained to the line; initial position determined by the 'ratio' keyword. |
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class zCircleSlider
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returns: | a point on the given complex circle which can be picked, with movement constrained to the circumference of the given circle,of the complex plane with initial position determined by the 'angle' keyword. |
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