Re: Rotate and Normal
- To: mathgroup at smc.vnet.net
- Subject: [mg77316] Re: Rotate and Normal
- From: dh <dh at metrohm.ch>
- Date: Wed, 6 Jun 2007 07:30:32 -0400 (EDT)
- References: <f43h3a$2tb$1@smc.vnet.net>
Hy Gary,
it seems that Normal only works with 3D graphics. Try:
Normal@Rotate[Line[{{0,0},{1,1}}],Pi/4,{0,0}]
Normal@Rotate[Line[{{0,0,0},{1,1,0}}],Pi/4,{0,0,1}]
It will be hard to claim that this is a feature, I think you found a bug.
Daniel
WetBlanket wrote:
> I have been trying to use the new Rotate command. It seems that when
> you use it it leaves the result in an unevaluated form, but I need to
> make futher calculations after performing the rotation. My
> understanding is that this is what Normal is for. But when I try to
> use it I do not get any change in the output.
>
> An example:
>
> In(1)= Rotate[Line[{{0, 0}, {1, 2}}], 30 =B0, {1, 1}]
> Out(1)=Rotate[Disk[{2,2}],2],45 =B0,{3,1}]
>
> In(2)= Rotate[Line[{{0, 0}, {1, 2}}], 30 =B0, {1, 1}]//Normal
> Out(2)=Rotate[Disk[{2,2}],2],45 =B0,{3,1}]
>
> What am I doing wrong. What must I do to get an output in a form I can
> use for futher compuitations rather than just for display?
>
> Thanks
> Gary
>
>