comp.lang.idl-pvwave archive: archive

Home » Public Forums » archive » jpegs and tiffs

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

jpegs and tiffs [message #57820]

Mon, 24 December 2007 17:33

Josh
Messages: 21
Registered: June 2007

Junior Member

The following program is supposed to write two sine waves, a blue one
and a black one, to two different files. However, on my system, the
jpeg ends up with two black sine waves, whereas the tiff (as well as
the window on the screen) end up with a blue one and a black one as
desired. Any thoughts? Code is taken from Gumley, but with many
changes.

PRO TEST

black = '000000'XL
white = 'FFFFFF'XL
blue = 'FF0000'XL

device, decomposed=1

plot, sin(findgen(200) * 0.1), color = black, background = white
oplot, sin(findgen(200) * 0.1 + 0.2), color = blue
image = tvrd(true=1)
write_jpeg, 'out.jpg', image, true=1
write_tiff, 'out.tif', reverse(image, 3), 1

END

Report message to a moderator

[Message index]

jpegs and tiffs

By: Josh on Mon, 24 December 2007 17:33

Previous Topic:	Re: How to print tickname in exponential format as '10^2'
Next Topic:	How to change the menu langauge for IDL v7.0?

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sat Oct 11 03:34:58 PDT 2025

Total time taken to generate the page: 1.03664 seconds