jdsmith's articles:

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widget_label with multiple lines 3 27 (7/13/2007 5:47:44 PM) comp.lang.idl-pvwave The following produces a multi-line widget label under Unix and OSX, but not Windows: b=widget_base(/ROW) l=widget_label(b,VALUE=string(replicate('test',6)+string(10b),FORMAT='(6A)')) widget_control, b,/re... JD

Emacs 22 is out 3 39 (6/5/2007 5:19:46 PM) comp.lang.idl-pvwave Hi All, Emacs 22 is finally (after 6 years!) released: http://lists.gnu.org/archive/html/info-gnu-emacs/2007-06/msg00000.html For current (and future) IDLWAVE users among you, this includes as part of the ... JD

MPFIT Limits 1 28 (4/27/2007 9:22:13 PM) comp.lang.idl-pvwave Hi Craig. Sorry to hit you with yet another but... is there the possibility of changing the limits on a given fit parameter during the course of the fit (in response to changes in another parameter)? I suppo... JD

Principle of Least Surprise 2 31 (1/9/2007 10:34:25 PM) comp.lang.idl-pvwave Violated again. Consider: IDL> a=replicate(1b,10) IDL> a[3]=bindgen(3) IDL> print,a 1 1 1 0 1 2 1 1 1 1 but now: IDL> a=replicate({x:1b},10) IDL> a[3].x=bindgen(3) % Expression must b... JD

A defense of decomposed color 9 24 (10/30/2006 11:46:58 PM) comp.lang.idl-pvwave I wonder if those of you using decomposed color can persuade me of its utility. Though color tables are perfect for image visualization, they are wanting for "system" colors for plot symbols, overlays, etc. I... JD

Mac 64-bit 2 37 (10/26/2006 5:18:31 PM) comp.lang.idl-pvwave Now that all Macs except the Mac Mini and MacBook (nee iBook) are running on 64bit processors (e.g. MacBook Pro, iMac, Mac Pro), one wonders when ITTVIS will provide a 64-bit version of IDL for OSX? I know pe... JD

IDLVM and retall 21 31 (9/4/2006 9:07:44 PM) comp.lang.idl-pvwave I have a large widget program which runs (optionally) under the IDLVM. Around IDL version 6.0, when the VM was introduced, there was an inconsistency in how non-blocking widgets were dealt with in the VM vs. ... JD

auto-compile 3 37 (7/21/2006 6:40:01 PM) comp.lang.idl-pvwave To create binary .sav routine files, I have had luck writing a "compile_foo.pro" procedure which finds all .pro files in a directory hierarchy, compiles them with RESOLVE_ROUTINE, and then uses RESOLVE_ALL to ... JD

XSTRETCH and Library Lessons 12 27 (4/21/2006 8:55:42 PM) comp.lang.idl-pvwave XSTRETCH is pretty fun. I especially like the curve plot for non-linear (but why not draw it for linear as well?). I downloaded the new version, and immediately had problems: the histogram didn't show up for ... JD

IDLWAVE 6.0 -- idlwave.org 2 32 (2/18/2006 12:56:39 AM) comp.lang.idl-pvwave IDLWAVE 6.0 -- http://idlwave.org Gradually catching up with IDL's version numbering, this new IDLWAVE release features an improved HTML help system which eliminates the need to download and maintain your own ... JD

jdsmith's replies:

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What is the main difference between a script and a procedure? 5 27 (10/3/2007 7:22:35 AM) comp.lang.idl-pvwave Hello All, I am pretty much a novice in IDL. Recently I just learned how to write/ execute a IDL script file. (i.e. @filename) I became a little curious(or more properly, confused) about the difference betwee... idllearner (16)

Bug in SWITCH - ELSE: statement? 4 27 (10/11/2007 9:44:27 AM) comp.lang.idl-pvwave Hi everyone, can someone explain this to me please? >From the IDL helpfile for SWITCH: (I'm using V6.4) The ELSE clause of the SWITCH statement is optional. If included, it matches any selector expression, ca... christoph.blau (175)

Convertion from binary string to 16bit integer 4 96 (10/14/2007 9:21:49 AM) comp.lang.idl-pvwave Hi guys, Great help with this int2bin code from 2005 (1993): http://groups.google.com/group/comp.lang.idl-pvwave/browse_thread/thread/61b692e9e403ef59/bdc5ce69d034eb17?hl=en&lnk=gst&q=int2bin Has anyone wrote... tal1 (26)

IDL sorting 10 22 (10/17/2007 3:25:28 PM) comp.lang.idl-pvwave Hi, I'm have that IDL sorting problem again: original subscript order is not maintained when values are equal. Is there a more elegant way then resorting each subarray of equal values on there original subscri... nomail37 (248)

time_test replacement? 2 32 (11/7/2007 6:26:25 PM) comp.lang.idl-pvwave Is there a valid cross-platform benchmark for IDL? I know there has been on and off discussions of OS-limiting factors including caching, etc. Have those been worked out in 6.2+ for the most part? Are there ... mike.walker (3)

Writing an IDL application using a C++ data model. 5 32 (11/12/2007 4:14:22 AM) comp.lang.idl-pvwave Writing an IDL application using a C++ data model. I was wondering if anyone has written an IDL application where most of the data and meta data is stored and handled in C++? Until now, I have taken the philo... retsil (153)

IDL 7.0 Preview Review 13 27 (11/14/2007 5:47:11 AM) comp.lang.idl-pvwave Editor's Note: I apologize in advance. We had assigned our most reputable technology reporter, David Fanning, to this story, but he has come down with "food poisoning" and has taken to his bed. (At 7:30, no les... news2122 (4023)

Draw a Histogram Plot 19 35 (11/20/2007 8:46:01 PM) comp.lang.idl-pvwave Folks, I've ticked another item off my life-time TO-DO list by writing a program to give me a decent histogram plot when I want one. I'm already thinking about version 1.2, but I thought I would get some fee... news2122 (4023)

IDL 7 on LINUX Question 21 47 (11/30/2007 6:08:43 PM) comp.lang.idl-pvwave Folks, OK, I've decided to go whole hog and I put a new SUSE 10.3 installation of LINUX on my laptop, along with the new IDL 7.0. Installation and licensing of IDL was easy. Couple of questions. One about ID... news2122 (4023)

IDL 7.0 Projects 35 28 (12/5/2007 10:42:18 PM) comp.lang.idl-pvwave Folks, I've been thinking about IDL projects quite a lot the past couple of days, because I'm trying to write an article that can explain this to someone like me. Obviously, I am having a great deal of diffi... news2122 (4023)