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<p>Hello,</p>
<p><br />
</p>
<p>Try setting DECOMPOSED=0 for DEVICE. Here is an example for how to do this:</p>
<p>; Read data from IDL distribution<br />
filename = FILEPATH(SUBDIRECTORY=['examples','data'], $<br />
'worldelv.dat')<br />
OPENR, lun, filename, /GET_LUN<br />
thermImage = BYTARR(360,360, /NOZERO)<br />
READU, lun, thermImage<br />
FREE_LUN, lun<br />
<br />
LOADCT, 3<br />
device, decomposed =0<br />
TVSCL, thermImage</p>
<p><br />
</p>
<p>Hope this helps!</p>
<p>-Zach (VIS)</p>
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