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IDL 5.0 (TvRd LoadCt) problems with true colors ??? [message #10856]

Sat, 14 February 1998 00:00

Rene Preusker
Messages: 1
Registered: February 1998

Junior Member

Hello

I try to use true color features of idl 5.02 under
Linux 5.0.32 (Matrox Milenium 24 bpp). tvrd
gives strange results. But perhaps I understand
something wrong. The following code should
ilustrate my problem:

loadct,ct ;ping, sometime in the session
loadct,0 ;pong, sometime in the session

dd=bytscl(dist(500,500))
image=bytarr(3,500,500)
for i=0,2 do image(i,*,*)=dd
tv,image,true=1

; until here it works fine
; but now:

muck=tvrd(0,0,500,500,true=1)

tv,muck,true=1

; some areas of image ar ok
; others not

If I restart IDL and don't do a 'loadct', every thing works fine.

Is there any idea what's going wrong? Are there any positive
expiriences with IDL, Linux and True Color?

Thanks
Rene

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