comp.lang.idl-pvwave archive: archive » Re: Line-Mouse widget tool

Home » Public Forums » archive » Re: Line-Mouse widget tool

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

Re: Line-Mouse widget tool [message #43235 is a reply to message #43234]

Thu, 24 March 2005 08:04

Howie[1]
Messages: 3
Registered: May 2004

Junior Member

On Thu, 24 Mar 2005 15:30:15 +0000, Howard S. Cohl wrote:

> I would like to build or use a simple pre-developed tool which
> wouuld draw a plot with data points in a certain set of x-y
> (possibly completely different) axes with specific units set by
> the user and is able to interactively draw a "moveable" lines
> on that plot with mouse clicks and notify the user of the positions
> in the data-space of the endpoints of the lines. This widget tool
> should then allow the user to to slightly alter the positions of
> the endpoints of the drawn lines and to tell the user specifically
> (to within a a user specified number of decimal places) where in
> the data space the endpoints are currently located, in real time.
> I would like this tool to be able to work with two separate lines,
> but I guess one would be enough if only that was possible.
>
> It would basically allow me to more easliy determine positions
> in a data space which I have been having to do interactively
> which takes a long time. Any ideas anybody?
>
> cheers, Howie

Oh, one more thing, if it's not too difficult, is to build into the
widget the capability to use curved line segments (splines, or polynomials
perhaps) as well as straight lines and be able to output either the
equation of the curve or output a the numerical set of N values for the
curved line segment.

Report message to a moderator

[Message index]

		Re: Line-Mouse widget tool By: David Fanning on Thu, 24 March 2005 08:11
		Re: Line-Mouse widget tool By: Howie[1] on Thu, 24 March 2005 08:04
		Re: Line-Mouse widget tool By: David Fanning on Thu, 24 March 2005 07:50
		Re: Line-Mouse widget tool By: Robert Barnett on Tue, 29 March 2005 14:42

Previous Topic:	Re: idl images and EXIF header
Next Topic:	Line-Mouse widget tool

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Wed Oct 08 19:25:54 PDT 2025

Total time taken to generate the page: 0.00385 seconds