comp.lang.idl-pvwave archive: archive » Re: Z value on IDLgrPlot?

Home » Public Forums » archive » Re: Z value on IDLgrPlot?

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

Re: Z value on IDLgrPlot? [message #12311]

Tue, 14 July 1998 00:00

davidf
Messages: 2866
Registered: September 1996

Senior Member

Imanol Echave (ccaeccai@sc.ehu.es) writes:

> I've started programing on IDL objects graphics and working with IDLgrPlot I've
> had a question. When you create an IDLgrPlot object, you give it X data and Y
> data, but when you get the property DATA, you obtain a Z data too (with the 0.0
> value). What does it mean?

Remember that object graphics always exist in 3D space.
A plot object, however, is normally drawn in a 2D space,
i.e., a plane. What a Z data of 0 tells you is that the
plot object by default is drawn in the XY plane that
is located at Z=0 in 3D space.

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting
E-Mail: davidf@dfanning.com
Phone: 970-221-0438
Coyote's Guide to IDL Programming: http://www.dfanning.com/

Report message to a moderator

Previous Topic:	ALIGN_LEFT doesn't work.
Next Topic:	Calculating Error Estimates

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sun Oct 12 17:23:20 PDT 2025

Total time taken to generate the page: 0.96349 seconds