comp.lang.idl-pvwave archive: archive » Re: Can somebody explain this?

Home » Public Forums » archive » Re: Can somebody explain this?

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: Can somebody explain this? [message #41029 is a reply to message #41028]

Thu, 16 September 2004 06:57

Matt Feinstein
Messages: 33
Registered: July 2002

Member

On Thu, 16 Sep 2004 08:16:57 -0500, Kenneth Bowman
<k-bowman@null.tamu.edu> wrote:

>
> This is an obscure feature of using arrays as subscripts. See Building
> IDL Applications, p 133.
>
> Clipping
>
> If an element of the subscript array is less than or equal to zero, the
> first element of the subscripted array is selected. If an element of the
> subscript array is greater than or equal to the last subscript in the
> subscripted array, the last element is selected. This clipping of out of
> bounds elements can be disabled within a routine by using the
> STRICTARRSUBS option to the COMPILE_OPT statement. (See the
> documentation for ï¿½COMPILE_OPTï¿½ in the IDL Reference Guide manual for
> details.) If STRICTARRSUBS is in force, then array subscripts that refer
> to out of bounds elements will instead cause IDL to issue an error and
> stop execution, just as an outof-range scalar subscript does.

Whoa. Is there some, umm, logic behind this?

Matt Feinstein

--
There is no virtue in believing something that can be proved to be true.

Report message to a moderator

[Message index]

		Re: Can somebody explain this? By: sandrokan on Thu, 16 September 2004 23:06
		Re: Can somebody explain this? By: sandrokan on Thu, 16 September 2004 22:57
		Re: Can somebody explain this? By: Mark Hadfield on Thu, 16 September 2004 17:04
		Re: Can somebody explain this? By: K. Bowman on Thu, 16 September 2004 12:36
		Re: Can somebody explain this? By: James Kuyper on Thu, 16 September 2004 11:32
		Re: Can somebody explain this? By: sandrokan on Thu, 16 September 2004 11:09
		Re: Can somebody explain this? By: Craig Markwardt on Thu, 16 September 2004 07:46
		Re: Can somebody explain this? By: K. Bowman on Thu, 16 September 2004 07:42
		Re: Can somebody explain this? By: Matt Feinstein on Thu, 16 September 2004 06:57
		Re: Can somebody explain this? By: sandrokan on Thu, 16 September 2004 06:43
		Re: Can somebody explain this? By: K. Bowman on Thu, 16 September 2004 06:16

Previous Topic:	size of window object and xinteranimate loading
Next Topic:	Changing height value in ion_image script

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Dec 03 09:58:34 PST 2025

Total time taken to generate the page: 2.08860 seconds