Re: Print format question for the Experts

["Pavel A. Romashkin" <pavel.romashkin(at)noaa.gov>]

David Fanning wrote:
> 
> To only print certain lines, you can do...
> 
>  PRO Example, K
; n*K-th lines only will be printed
>  max_rec=20
>  base = Widget_Base()
>  text = Widget_Text(base, Value="", Scr_XSize=200, YSize=1)
>  screenSize = Get_Screen_Size()
>  xCenter = screenSize(0) / 2
>  yCenter = screenSize(1) / 2
>  geom = Widget_Info(base, /Geometry)
>  xHalfSize = geom.Scr_XSize / 2
>  yHalfSize = geom.Scr_YSize / 2
>  Widget_Control, base, XOffset = xCenter-xHalfSize, $
>    YOffset = yCenter-yHalfSize
>  Widget_Control, base, /Realize
>  maxnumber = StrTrim(max_rec, 2)
if n_elements(k) eq 0 then k=1
>  for i=0,max_rec-1 do begin
>      wait, 0.5 ; Or read a record or whatever.
if i mod k eq 0 then number = StrTrim(i, 2)
>      Widget_Control, text, Set_Value='Record number ' + number + $
>         ' out of ' + maxnumber + '.'
>  endfor
>  Widget_Control, base, /Destroy
>  END

Cheers,
Pavel