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Re: IDL 8.2.1 released [message #81570 is a reply to message #81569] Wed, 03 October 2012 16:33 Go to previous messageGo to previous message
David Fanning is currently offline  David Fanning
Messages: 11724
Registered: August 2001
Senior Member
Mark Piper writes:

> IDL 8.2.1 is now available for download from our website, www.exelisvis.com. I've listed what's new here:
>
> http://idldatapoint.com/2012/10/03/idl-8-2-1-released/
>
> and included a link to download a set of example programs.

You know what seems to be missing here? Quality control.
Here are the first two things I tried. Honestly. I don't
make this stuff up.

I went to Mark's website and read his blurb about the new
ColorTable function. I thought that was neat, so I downloaded
and installed IDL 8.2.1. The first thing I read in the
ColorTable documentation was this sort of odd description
of the Background keyword:

"Set this keyword to a string or three-element array describing
the colors of the table. Default value is [0, 0, 0]."

OK, so I used the example right there in the documenation and
tried to set a yellow background keyword, since I don't really
understand what a background keyword can really be used for
in a ColorTable function. Here is what I typed:

IDL> ctable = COLORTABLE([[085,026,139],[135,206,255],[0,255,0]], $
NCOLORS = levels, /TRANSPOSE, Background=[255,255,0])

Here is the error I got:

% COLORTABLE: BACKGROUND must be a RGB triplet or string

Sigh...

Ok, so moving on, the next thing in Mark's list that caught
my eye was a new "Class Hierarchy view for viewing properties
and methods of super- and subclasses." Again, a little oddly
phrased, but I just assume the documenatation writer is not
a native English speaker. I understand what he meant. And,
OK, I can definitely use that!

So, I open my cgMap object, which inherits a cgCoord object,
which inherits a cgContainer object, which inherits both an
IDL_Object and an IDL_Container object. Perfect test.

I don't know how to describe what I ended up with, but
"hierarchtical view" doesn't really do it justice. "God-awful
mis-mash" comes closer. Here is a picture of it.

http://www.idlcoyote.com/misc/class_hierarchy.png

Do you suppose that is what this is *suppose* to look like!?

I've got other things to do. I'm really restoring a computer
that refuses to boot and is resisting all attempts at repair.
I'm just looking at this stuff for fun and because I like to
be up-to-date on the latest catastrophies. :-)

Cheers,

David


--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thue. ("Perhaps thos speakest truth.")

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