comp.lang.idl-pvwave archive: archive » Re: Want to get Array(48) instead of Array(1,48)

Home » Public Forums » archive » Re: Want to get Array(48) instead of Array(1,48)

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

Re: Want to get Array(48) instead of Array(1,48) [message #29983 is a reply to message #29872]

Tue, 02 April 2002 08:24

chi-kuei
Messages: 5
Registered: March 2002

Junior Member

Thansk,
This one works well for me.

Chi-Kuei

"Mark Hadfield" <m.hadfield@niwa.co.nz> wrote in message
news:a7on9c$nj3$1@newsreader.mailgate.org...
> "chi-kuei" <twcollie@hotmail.com> wrote in message
> news:a7om25$8jn$1@news01.cit.cornell.edu...
>
>> ...I notice they are different because when I use curvefit, the
>> Array[1,48] will give me error message, the Array[48] will not.
>>
>> I can make the Array[1,48] become Array[48] without changing the
>> value by doing this:
>>
>> IDL> test_array = test_array(*)
>>
>> This means extra steps. Am I doing this in the longer way? Is there
>> any shortcut of doing this.
>
> No, there is no real shortcut. It is common when using IDL to find
> that you have the data you want but the array is not shaped exactly
> how you need it. The most versatile and efficient solution is to use
> the REFORM function. If it is called with a single argument (the array
> to be reshaped) then it will strip out all unit dimensions. Since the
> number of elements in the array is not being changed you can use the
> OVERWRITE keyword for greater efficiency, thus:
>
> IDL> test_array = reform(test_array, /OVERWRITE)
>
> --
>
> Mark Hadfield
> m.hadfield@niwa.co.nz Ka puwaha et tai nei
> http://katipo.niwa.co.nz/~hadfield Hoea tatou
> National Institute for Water and Atmospheric Research (NIWA)
>
>
>

Report message to a moderator

[Message index]

		Re: Want to get Array(48) instead of Array(1,48) By: Dominik[1] on Mon, 25 March 2002 23:38
		Re: Want to get Array(48) instead of Array(1,48) By: Mark Hadfield on Mon, 25 March 2002 18:42
		Re: Want to get Array(48) instead of Array(1,48) By: chi-kuei on Tue, 02 April 2002 08:24
		Re: Want to get Array(48) instead of Array(1,48) By: R.Bauer on Mon, 25 March 2002 23:50

Previous Topic:	FIND the indexes of a value in a matrix
Next Topic:	Transparent texture mapped polygons

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sat Oct 11 01:31:20 PDT 2025

Total time taken to generate the page: 1.11635 seconds