RE: IDL still not working....When does Beta 4 come out ??
RE: IDL still not working....When does Beta 4 come out ??
- Subject: RE: IDL still not working....When does Beta 4 come out ??
- From: email@hidden
- Date: Tue, 6 May 2003 10:41:38 +0200
Michele Zundo @ ESA 05/06/2003 09:41 AM
Karl,
apologies, I had missed the part of your e-mail where you
describe the problem with the colour. (yes our application use 8 bit.)
>> I see that your email address includes "rsinc". Have you
>> been able to use IDL + X11 v0.3?
>
>Yes, with some restrictions:
>
>I am aware of two problems with IDL and X11 Beta 3:
>
>1) The IDLDE fork problem discussed in the "Known Problems" section of the
>tech tip. Note that this was also a problem in Beta 0.2.
>
>2) Apple added 8-bit PseudoColor visual support in Beta 0.3. There are
>apparently some problems with this support when applications mix window
>depths. In the IDL world, this can happen when the IDL user application
>forces or uses 8-bit pseudocolor support while using Direct Graphics. I've
>reported this problem to Apple via their problem reporting system, and as I
>understand it, Apple understands the problem and is working on a fix. IDL
>users can avoid the problem by not forcing the usage of 8-bit Direct
>Graphics windows. The feasibility of avoiding the 8-bit windows depends a
>lot on the IDL user application. If the application depends heavily on
>using 8-bit windows, this may be difficult. In some cases a user may be
>able to use or change the DEVICE command to avoid the problem. OTOH, if the
>application works with 8-bit image data, it would take some work to migrate
>the app to 24-bit. It is hard to quantify the difficulty with getting
>around the problem without knowing the application and/or what the user is
>doing. That's why there's no cookbook-style workaround.
>
So again to Apple: when do we get a fix :-) ?
----------------------------------------------------------------------
Michele Zundo
SMOS Ground Segment Engineer
Envisat Ground Segment Data Processing Engineer
ESA/ESTEC EOP-PEP
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