[kepler-dev] [Bug 4010] RExpression2 - tracking for backwards compatibility

[bugzilla-daemon at ecoinformatics.org]

http://bugzilla.ecoinformatics.org/show_bug.cgi?id=4010

--- Comment #14 from Tom Parris <parris at isciences.com> 2010-02-23 12:58:26 PST ---
First ... apologies. I just submitted an RExpression bug that you've already
fixed in Rexpression2 (column major matrices).  

> SR2 - It's best to "Instantiate" the RExpression actor from the menu bar rather
> than editing the actor on the canvas. I know you can hand edit the full class
> name in the MOML file of your workflow and then open it in Kepler, but that is
> a hassle and prone to typos. Use the menu option, definitely.

OK.  Getting ready to test with R-2.10.1, but not sure I understand SR2 above
(and this may be related to why I am still having problems with matrices).  If
I search for RExpression in the "Search Components" box, the only actor I get
is RExpression (no RExpression2).  So the only way I can get to RExpression2 is
to instantiate it from the Tools menu.  When I do that, I get a bunch of
character escaping errors due to Windows style back slashes.

Error in png(filename =
"C:Usersparris.keplercache-2.0.0modules\rR_Matrix_Test_1266958503103RExpression1.png",
 : 
  unable to start device
In addition: Warning messages:
1: \U used without hex digits 
2: '\p' is an unrecognized escape in a character string 
3: '\.' is an unrecognized escape in a character string 
4: '\c' is an unrecognized escape in a character string 
5: '\m' is an unrecognized escape in a character string 
6: '\R' is an unrecognized escape in a character string 
7: '\R' is an unrecognized escape in a character string 

If I change the specification of the working directory for the actor to use
forward slashes, I get the same problem.

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