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Re: Why can't IDL do simple things...? [message #2657 is a reply to message #2656]

Thu, 25 August 1994 13:44

ryba
Messages: 33
Registered: October 1992

Member

In article <33i7t9$snk@paperboy.gsfc.nasa.gov>, thompson@orpheus.gsfc.nasa.gov (William Thompson) writes:
|> grunes@imsy1.nrl.navy.mil (Mitchell R Grunes) writes:
|>
|> >In article <1994Aug24.143231.8722@fys.ruu.nl> hartman@fys.ruu.nl (Jan Willem Hartman) writes:
|> >>..or rather, probably, why can't I make IDL do simple things..
|> >>
|> >>This is what I want: I have this bunch of data: x,y,z. So I want IDL
|> >>to plot just these points (eventually the points may be connected, but
|> >>let's not get too difficult) in 3D. So just like SURFACE, but with no
|> >>surface. Any idea??? Thanks in advance...
|> >>JanWillem Hartman.
|>
|> >plot,[x1,x2,x3],[y1,y2,y3]
|>
|> No, what I think he really wants to be able to do is to say
|>
|> plot, X, Y, Z
|>
|> where (X(i), Y(i), Z(i)) represents a point in 3D space. (One would have to
|> define a viewing angle, of course.) Sounds like a reasonable idea to me.
|> Unfortunately, I don't think IDL can do this at the moment, at least not so
|> straightforwardly.

Isn't it just:
surface,x,y,z,/nodata,/save ; Generate 3-d coordinates
plots,x,y,z,/t3d,psym=xxx ; Plot the points

--
Dr. Marty Ryba | Generation X:
MIT Lincoln Laboratory | Too young to be cynical,
ryba@ll.mit.edu | too old to be optimistic.
Of course nothing I say here is official policy, and Laboratory affiliation is
for identification purposes only, blah, blah, blah....

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[Message index]

		Re: Why can't IDL do simple things...? By: hartman on Fri, 26 August 1994 00:23
		Re: Why can't IDL do simple things...? By: ryba on Thu, 25 August 1994 13:50
		Re: Why can't IDL do simple things...? By: ryba on Thu, 25 August 1994 13:44
		Re: Why can't IDL do simple things...? By: thompson on Thu, 25 August 1994 06:55
		Re: Why can't IDL do simple things...? By: grunes on Thu, 25 August 1994 06:33

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