plotPath3-reducedDim-method: Plot path in 3D plot. Only to be called after 'plot3'
In wjawaid/bglab: Berthold Gottgens lab scRNA seq

3D path plot

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## S4 method for signature 'reducedDim'
plotPath3(object, diamWidth, diamCol, useDims,
  selectedPath, project2D)

`object`	Dimensionality Reduced object
`diamWidth`	Single length numeric controlling the diameter path line
`diamCol`	Single value for color of the diameter path
`useDims`	Dimensions to be used
`selectedPath`	Name of path stored in paths slot
`project2D`	Default NULL. Projects 3D graph into 2D by the given transformation matrix. This matrix must have been produced using `getMVP` on an open rgl device.