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Re: IDL on FreeBSD [message #28094 is a reply to message #19169]

Tue, 20 November 2001 08:21

Jaco van Gorkom
Messages: 97
Registered: November 2000

Member

Hi,

Karthikayan B. wrote:
> a) A displayed image gets eaten up if moved from one part of the
> screen to another. In other words, when you move an image it is not
> refreshed. So if you move the image to the centre of the screen those
> portions that were under other windows are just blank spaces.

Make sure that IDL is providing backing store for your graphics windows.
Type DEVICE, RETAIN=2 and/or set the default value for backing store in the
IDLDE File/Preferences/Graphics/Backing Store to Pixmap. There is more info
in the online help, once you solve part b).

> b) I can not get the online help to work. It brings up an error
> message saying that "No selection is avaliable. Unable to execute the
> command"

This happens to me if I select "Find Topic..." from the IDLDE Help menu.
That command is probably supposed to find the word you have selected in the
index. The help window should start up when you choose "Help on IDL...", or
by typing ? (a question mark) at the IDL prompt.

Hope this helps,
Jaco

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[Message index]

		IDL on FreeBSD By: Jörg Retzlaff on Fri, 25 February 2000 00:00
		Re: IDL on FreeBSD By: Jörg Retzlaff on Thu, 02 March 2000 00:00
		Re: IDL on FreeBSD By: John-David T. Smith on Tue, 29 February 2000 00:00
		Re: IDL on FreeBSD By: Vlad Manilici on Wed, 08 March 2000 00:00
		Re: IDL on FreeBSD By: Heike Koch-Beuttenmue on Wed, 21 November 2001 03:43
		Re: IDL on FreeBSD By: lovedale27 on Sat, 24 November 2001 16:44
		Re: IDL on FreeBSD By: Craig Markwardt on Tue, 20 November 2001 09:00
		Re: IDL on FreeBSD By: lovedale27 on Wed, 21 November 2001 07:13
		Re: IDL on FreeBSD By: Randall Skelton on Tue, 20 November 2001 08:57
		Re: IDL on FreeBSD By: lovedale27 on Wed, 21 November 2001 07:30
		Re: IDL on FreeBSD By: Jaco van Gorkom on Tue, 20 November 2001 08:21
		Re: IDL on FreeBSD By: Craig Markwardt on Thu, 22 November 2001 12:09

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