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| Re: Flood filling [message #15341 is a reply to message #15239] |
Wed, 12 May 1999 00:00  |
David Foster
Messages: 341
Registered: January 1996
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Senior Member |
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Steve Mead wrote:
>
> Hi. Has anyone come accross an image flood-fill tool anywhere?
>
> Thanks
>
> Waleed Al-Nuaimy
> waleed@lycosmail.com
> Geo-Services International (UK) Ltd.
I'm not sure exactly what you mean by "flood-fill tool", but you
may want to look at the SEARCH2D and SEARCH3D routines which allow
you to fill pixels/voxels contiguous with a seed point and within
specified thresholds.
Be aware that at least in IDL 5.0, SEARCH3D had been updated, and
this resulted in a bug in which specifying a boundary point as the
seed point gives VERY wrong results.
Dave
--
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~
David S. Foster Univ. of California, San Diego
Programmer/Analyst Brain Image Analysis Laboratory
foster@bial1.ucsd.edu Department of Psychiatry
(619) 622-5892 8950 Via La Jolla Drive, Suite 2240
La Jolla, CA 92037
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~
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