arrow->initialise

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arrow->initialise

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        arrow->initialise
        
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arrow ->initialise: length=[num], wing=[num], style=[{open,closed}], fill=[colour]*

Initialise an arrow object. length is the length from the arrow-head to the back of the wing. wing is the distance between the two wing-tips. A default arrow reads the following values from associated class-variables:

arrow<-length Tip to wing length

arrow<-wing Wing-tip distance

arrow<-fill How it is filled

arrow<-style {open,closed}

arrow`<-`length	Tip to wing length
arrow`<-`wing	Wing-tip distance
arrow`<-`fill	How it is filled
arrow`<-`style	{open,closed}