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Re: Dilating a point [message #31198 is a reply to message #31183]

Wed, 19 June 2002 11:28

Dick Jackson
Messages: 347
Registered: August 1998

Senior Member

"Akhila" <idlfreak@yahoo.com> wrote in message
news:b1ad7b05.0206191006.3ef24d3c@posting.google.com...
> Hi,
> I have a blank screen. Using CURSOR and PLOTS command i mark a point
> in that screen with a value of 255B. I want to dilate that point. Can
> anybody tell me how to do that.....Please help me.

How about this:

=====

;; Put one white pixel in a window

Window
Erase
PlotS, /Device, 50, 50, PSym=3

;; Get image, dilate and redraw

img = TVRD() ; Contains 0 and 255 values
dilateImg = Dilate(img, Replicate(1, 3, 3)) ; Contains 0 and 1 values
TV, dilateImg * 255B ; ... or TV, ([0B, 255B])[dilateImg]

END

=====

See DILATE in online help for more details.

Cheers,
--
-Dick

Dick Jackson / dick@d-jackson.com
D-Jackson Software Consulting / http://www.d-jackson.com
Calgary, Alberta, Canada / +1-403-242-7398 / Fax: 241-7392

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[Message index]

		Re: Dilating a point By: Mark Hadfield on Thu, 20 June 2002 19:26
		Re: Dilating a point By: idlfreak on Thu, 20 June 2002 17:27
		Re: Dilating a point By: David Fanning on Thu, 20 June 2002 14:57
		Re: Dilating a point By: idlfreak on Thu, 20 June 2002 14:42
		Re: Dilating a point By: idlfreak on Thu, 20 June 2002 14:34
		Re: Dilating a point By: idlfreak on Thu, 20 June 2002 14:33
		Re: Dilating a point By: Dick Jackson on Wed, 19 June 2002 11:28

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