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Plane symmetries and cylindrical systems
Posted 2012年8月6日 GMT-4 05:48 Geometry Version 4.3 1 Reply
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Dear reader,
The default coordinate system in a 2D environment is an X,Y plane. If I was to add a cylindrical system phi would go from X to Y in an arc.
But what I would like is to have the 2D environment in a Y,Z plane, so that if i was to add a cylindrical system phi would go from X yo Y in an arc. This would give me the possiblity to have a plane symmetrical environment.
Am I able to change this things? And how should I go about changing the right settings?
Thanks in advance.
If my questions are vague in any way please do point this out. I'll change the formulation.
The default coordinate system in a 2D environment is an X,Y plane. If I was to add a cylindrical system phi would go from X to Y in an arc.
But what I would like is to have the 2D environment in a Y,Z plane, so that if i was to add a cylindrical system phi would go from X yo Y in an arc. This would give me the possiblity to have a plane symmetrical environment.
Am I able to change this things? And how should I go about changing the right settings?
Thanks in advance.
If my questions are vague in any way please do point this out. I'll change the formulation.
1 Reply Last Post 2012年8月6日 GMT-4 10:09
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Posted:
1 decade ago
Hi
you have the 2D-axi system in r,z (instead of x,y) but if you want a cylindrical system with Z out of the paper (and not phi as in 2D-axi) use the standard 2D (x,y) and dfine a local cylindrical coordiante system, you access by sys2.r and sys2.phi (if this is the first coordinate system you add, under the Definitions node)
--
Good luck
Ivar
you have the 2D-axi system in r,z (instead of x,y) but if you want a cylindrical system with Z out of the paper (and not phi as in 2D-axi) use the standard 2D (x,y) and dfine a local cylindrical coordiante system, you access by sys2.r and sys2.phi (if this is the first coordinate system you add, under the Definitions node)
--
Good luck
Ivar