[Insight-users] Help: ResampleImageFilter

[Kun]

Hi, Dan


Thanks for your help.
I know how to use this filter now, and appreciate for your help.

Best,

Kun


 
 
 


在2008-11-01，"Dan Mueller" <dan.muel at gmail.com> 写道：
>Hi Kun,
>
>It is the transform (not the output direction) that specifies how to
>map between the output and input coordinate spaces. The
>SetOutputDirection(.) method sets the so-called "direction cosines"
>which specifies an additional orientation of the output image in
>physical space.
>
>You may be interested in the following Insight Journal submission
>which provides a helper function to initialise a transform to "look
>at" a point. Once you have this transform, you pass this to the
>resample filter with the desired output parameters. The
>itk::ObliqueSectionImageFilter, also provided in the submission, does
>this for you.
>    http://www.insight-journal.org/browse/publication/168
>
>Regarding your second question about output spacing: this is simply
>the spacing of the output image. For example, if your input image has
>spacing [1.0, 1.0, 1.0] you could specify the output image to have
>spacing [2.0, 2.0, 2.0]. These values are independent and no magic
>needs to be computed by you. The resample filter takes care of the
>mapping between the two coordinate spaces (via the transform).
>
>If you haven't already done so, have a read of section 6.9.4 of the
>ITK Software Guide:
>    http://www.itk.org/ItkSoftwareGuide.pdf
>
>Hope this helps.
>
>Regards, Dan
>
>2008/10/31 Kun
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