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Re: Once again, an error I don't understand [message #28358 is a reply to message #28282]

Mon, 03 December 2001 09:37

Karl Schultz
Messages: 341
Registered: October 1999

Senior Member

"Adam Rankin" <arankin@irus.rri.on.ca> wrote in message
news:Pine.SUN.4.30.0111301250090.2048-100000@proxima.irus.rr i.on.ca...
> % IDLGRMODEL::ADD: Objects can only have one parent at a
> time: <ObjHeapVar3833(IDLGRIMAGE)>
>
> ;this statement creates an array of image objects
> oImage=REPLICATE(obj_new('IDLgrImage', PALETTE=oPalette), nb)

The above line is the problem. It creates an array of the SAME image
object.
Replace the above line with

oImage = OBJARR(nb)

and insert one line below -
I can't say that everything will work, but it will be a step closer.

>
> ;this loop defines and adds the images to the model
> FOR i=0, nb-1 DO BEGIN

oImage[i] = OBJ_NEW('IDLgrImage', PALETTE=oPalette)

> oImage[i] -> SetProperty, DATA=image[*,*,i]

Also, the following line can be moved out of the loop
> oImageView -> Add, oImageModel

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[Message index]

		Once again, an error I don't understand By: Adam Rankin on Fri, 30 November 2001 09:51
		Correction: RE: Once again, an error I don't understand By: Adam Rankin on Tue, 04 December 2001 08:47
		Re: Once again, an error I don't understand By: Mark Hadfield on Mon, 03 December 2001 13:59
		Re: Once again, an error I don't understand By: Karl Schultz on Mon, 03 December 2001 09:37

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