| printing structure values on one line [message #303] |
Wed, 01 July 1992 07:00  |
knight
Messages: 37
Registered: January 1992
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Member |
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For an application that wants card images (Lowtran), I want to print
the values of a structure
without the {}'s
and
on one line.
Here's an example of the problem.
IDL> t={a:0.,b:0.,c:0.}
IDL> print,t
{ 0.00000 0.00000 0.00000}
IDL> print,t,format='(3f10.2)'
0.00
0.00
0.00
I'd like to print the values on one line, not 3 for example.
Does anybody have any ideas?
Fred
--
=Fred Knight (knight@ll.mit.edu) (617) 981-2027
C-483\\MIT Lincoln Laboratory\\244 Wood Street\\Lexington, MA 02173
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| Re: printing structure values on one line [message #304 is a reply to message #303] |
Wed, 01 July 1992 07:55  |
knight
Messages: 37
Registered: January 1992
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Member |
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In article <1992Jul1.142422.21291@ll.mit.edu>, knight@ll.mit.edu (Fred Knight) writes:
|>
|> In article <1992Jul1.140033.20864@ll.mit.edu>, knight@ll.mit.edu (Fred Knight) writes:
|> |>
|> |> For an application that wants card images (Lowtran), I want to print
|> |> the values of a structure
|> |> without the {}'s
|> |> and
|> |> on one line.
|> |>
|> |> Here's an example of the problem.
|> |>
|> |> IDL> t={a:0.,b:0.,c:0.}
|> |> IDL> print,t
|> |> { 0.00000 0.00000 0.00000}
|> |> IDL> print,t,format='(3f10.2)'
|> |> 0.00
|> |> 0.00
|> |> 0.00
|> |>
|> Here's one solution:
|> IDL> print,string(t,format='(3f10.2)')
|> 0.00 0.00 0.00
|>
|> However, I still think the print should give the same result.
|>
But there's a bug in string! Count the characters in the second and third
fields: there are 11 not 10! The first field is correct but the rest have
one extra blank.
Fred
--
=Fred Knight (knight@ll.mit.edu) (617) 981-2027
C-483\\MIT Lincoln Laboratory\\244 Wood Street\\Lexington, MA 02173
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| Re: printing structure values on one line [message #305 is a reply to message #303] |
Wed, 01 July 1992 11:26 |
dit
Messages: 5
Registered: July 1992
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Junior Member |
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In article <1992Jul1.140033.20864@ll.mit.edu>, knight@ll.mit.edu (Fred Knight) writes:
>
> For an application that wants card images (Lowtran), I want to print
> the values of a structure
> without the {}'s
> and
> on one line.
>
> Here's an example of the problem.
>
> IDL> t={a:0.,b:0.,c:0.}
> IDL> print,t
> { 0.00000 0.00000 0.00000}
> IDL> print,t,format='(3f10.2)'
> 0.00
> 0.00
> 0.00
>
> I'd like to print the values on one line, not 3 for example.
> Does anybody have any ideas?
Yes, try this:
IDL> print, t, format='($, f10.2)'
The $ will suppress the newline implied by the closing parenthesis.
Hope this helps.
Karl-Heinz
____________________________________________________________ ___
Dipl.-Ing. Karl-Heinz Dittberner | Address: Arnimallee 22
Dept. Scientific Data Processing | D-1000 Berlin 33
c/o Free University of Berlin | Phone: (+4930) 838 2531
E-Mail: dit@vaxser.grumed.fu-berlin.de (Internet)
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| Re: printing structure values on one line [message #496 is a reply to message #303] |
Wed, 01 July 1992 20:24 |
jdlb
Messages: 11
Registered: July 1992
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Junior Member |
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knight@ll.mit.edu (Fred Knight) writes:
|>
|> For an application that wants card images (Lowtran), I want to print
|> the values of a structure
|> without the {}'s
|> and
|> on one line.
You can
IDL> print, t, format='(3f10.2,$)' & print ;$ means no carriage return.
Or simply
IDL> print, t.a, t.b, t.c
If you don't know the number of tags, use N_TAGS(t) to find it and use the
STRING procedure in an iterative loop:
IDL> text = ''
IDL> for i=0,n_tags(t)-1 do text = text+string(t.(i))
IDL> print,text
0.00000 0.00000 0.00000
--Jeff
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| Re: printing structure values on one line [message #501 is a reply to message #303] |
Wed, 01 July 1992 07:24 |
knight
Messages: 37
Registered: January 1992
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Member |
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In article <1992Jul1.140033.20864@ll.mit.edu>, knight@ll.mit.edu (Fred Knight) writes:
|>
|> For an application that wants card images (Lowtran), I want to print
|> the values of a structure
|> without the {}'s
|> and
|> on one line.
|>
|> Here's an example of the problem.
|>
|> IDL> t={a:0.,b:0.,c:0.}
|> IDL> print,t
|> { 0.00000 0.00000 0.00000}
|> IDL> print,t,format='(3f10.2)'
|> 0.00
|> 0.00
|> 0.00
|>
Here's one solution:
IDL> print,string(t,format='(3f10.2)')
0.00 0.00 0.00
However, I still think the print should give the same result.
Fred
--
=Fred Knight (knight@ll.mit.edu) (617) 981-2027
C-483\\MIT Lincoln Laboratory\\244 Wood Street\\Lexington, MA 02173
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