| nonexclusive button goup woes... [message #21809] |
Wed, 20 September 2000 00:00  |
David Bowman
Messages: 10
Registered: July 2000
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Junior Member |
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Hi all. I have a (hopefully) simple question about the CW_FORM routine:
I'm creating a set of nonexclusive buttons, and I want to set the
default values all at once using the set_value keyword... The problem
is, how do I set multiple values? For example:
IDL>d=['1,base,,column',
'0, button, ok, quit',
'2, button, option1|option2|option3|option4, set_value=1 0 0 1']
IDL>a=cw_form(desc,/column)
How do I make, for example, option1 and option4 set by default? I've
tried set_value=1001, set_value=[1,0,0,1], set_value=1|0|0|1 and
various other combinations, but nothing seems to work... Any ideas?
Thanks in advance.
--
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- =-=-=-=-=-=-=-=-=
David Bowman "Smash forehead on keyboard to continue."
Laboratoire Tectonique
Institut de Physique du Globe - Paris
4 Place Jussieu
75252 Paris Cedex 05
France
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| Re: None [message #44392 is a reply to message #21809] |
Wed, 08 June 2005 08:46  |
Benjamin Hornberger
Messages: 258
Registered: March 2004
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Senior Member |
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Rainnie, JA (John) wrote:
> Hi Benjamin
>
> What sort of ROI did you have in mind - a rectangular ROI defined by 2
> points or a freehand type?
Freehand, but it would be nice to have a selection of tools for
rectangle, ellipse, polygon and freehand.
Benjamin
>
> John
>
> -----Original Message-----
> From: Benjamin Hornberger [mailto:benjamin.hornberger@stonybrook.edu]
> Posted At: 03 June 2005 18:45
> Posted To: idl-pvwave
> Conversation: defining regions of interest in widget programs
> Subject: defining regions of interest in widget programs
>
>
> Hi all,
>
> It's the first time I'm trying to define and use ROIs, so I have the
> basic question of what's the best way to do it. Basically, I want to
> allow the user to define a ROI in a widget program, be able to display
> it with some kind of color shading (possibly the original image shining
> through) and manipulate the image pixels within the ROI. I checked the
> IDL help and the newsgroup archive and drew the following conclusions
> (without doing much testing yet):
>
> 1. DEFROI is not for widget programs.
>
> 2. CW_DEFROI is meant to do what I want, but is kind of clunky.
> According to the source code, it's been written 1993 and never updated.
>
> 3. XROI would actually work well, but (1) opens the image in its own
> window, while I would prefer to define the ROI in my existing draw
> widget, and (2) offers tons of options which will confuse the user
> (statistics, histogram, multiple ROIs, even loading a new image) and
> which I would preferably not offer to him.
>
> 4. David recommends to write your own code to define ROIs. As I
> understand it, I would include some code to draw a freehand or polygon
> path and then use POLYFILLV to get all indices of the ROI.
>
> I'd appreciate any comments and recommendations. Does anyone has
> home-made code to do the job?
>
> Thanks,
> Benjamin
>
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