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Are there Arrow-like objects in 3D

  • To: mathgroup at smc.vnet.net
  • Subject: [mg98380] Are there Arrow-like objects in 3D
  • From: Alexei Boulbitch <Alexei.Boulbitch at iee.lu>
  • Date: Wed, 8 Apr 2009 05:03:53 -0400 (EDT)

Dear community,

In the 3D graphics one can draw lines. I did not find however, such 
objects as arrows. Are there operators which would enable one to 
incorporate an arrow into a 3D graphics object (analogously to Arrow and 
Arrowheads in 2D)?   To be more concrete, I would like to draw 
programmatically a sphere together with its radius-vector to show its 
radius on a sketch, or a cylinder together with an arrow with two heads 
aside of it to indicate its height and this kind of things.
 
More generally, some graphics objects have their "3D versions" (as say, 
Polygon and Line), but others (such as say, Disk) seem not to have. Is 
there however, some trick to programmatically combine a 2D graphical 
object (that has no 3D analog) with a 3D one (say, to draw a disk 
together with a sphere)?

I use Math 6/WinXP

Best, Alexei

-- 
Alexei Boulbitch, Dr., habil.
Senior Scientist

IEE S.A.
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