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Re: How to get an arbitrary sectional slice in 3D array ? [message #55550 is a reply to message #55548]

Mon, 27 August 2007 02:33

Nianming Zuo
Messages: 13
Registered: August 2007

Junior Member

Airy,

Thank you for your quick reply, and I am really impressed by
your cool demo from your forum. On the other side, I am also
scared by the bunch of code... I will shrink it according
to my requirement. Thank you!

Best,

Nico

On 8 27 , 5 09 , airy.ji...@gmail.com wrote:
> On 8 27 , 4 48 , Nianming Zuo <nianm...@gmail.com> wrote:
>
>> Dear all,
>
>> I have a 3D image stored in a 3D array myimg(x, y, z).
>> How can I get an artitrary sectional slice image fro such a 3D array
>> (Not only along x-, y- or z- direction).
>> Namely, given an arbitrary plane with (point, normal_vector) in 3D
>> space, which indicates
>> that this plane goes through point "point" and normal vector is
>> "normal_vector",
>> we can easily get the image laied in this plane.
>
>> Certainly, we can get the data in arbitrary plane by interpolation. I
>> only wonder if
>> there is an existing function in IDL ? (my version is 6.0)
>
> So far as I know, IDL often define the plane use the plane function
> like:aX+bY=cZ+d=0.If you wanna use a plane to "cut" the 3d image
> array,you can try this method:Mesh_Clip.Maybe this link will be
> useful:http://www.ownearth.net/Forum/view.asp?fid=3&id=8 5.It'sa
> chinese page,but I think that demo maybe useful to you,and the source
> code can be donwload from that page.If you have any questions you can
> contact me with the email.
> Good Luck!

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[Message index]

		Re: How to get an arbitrary sectional slice in 3D array ? By: David Fanning on Mon, 27 August 2007 05:50
		Re: How to get an arbitrary sectional slice in 3D array ? By: Nianming Zuo on Mon, 27 August 2007 02:33
		Re: How to get an arbitrary sectional slice in 3D array ? By: airy.jiang on Mon, 27 August 2007 02:09

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