[Rcpp-devel] R Embedded in a class function

[CESAR PERNALETE]

Hi Davor, Dirk.

Thanks a lot for your help. I tried the way Dirk are suggesting and it 
appears to work fine. The application at all is not working yet, i don't 
know exactly 
what is happening, so i did a consultation to the NOMAD developer. But i 
believe that the problem of using the R object into a method is solved. 

Please, find attached a simplified example of the code. 

If you see something weird, please don't hesitate in writing to the list. 

Best regards. 

César 






Davor Cubranic <cubranic at stat.ubc.ca> 
Enviado por: rcpp-devel-bounces at r-forge.wu-wien.ac.at
17/03/2011 07:51 p.m.

Para
Dirk Eddelbuettel <edd at debian.org>
cc
rcpp-devel at r-forge.wu-wien.ac.at
Asunto
Re: [Rcpp-devel] R Embedded in a class function






On 2011-03-17, at 3:31 PM, Dirk Eddelbuettel wrote:

> | And it so happens that I just wrote an example of instantiating 
RInside and
> | passing to Qt so that you'd get 'R inside Qt'.  That is now in SVN for
> | RInside but I haven't even gotten around to writing a short blog post 
about
> | it.  Maybe on the weekend...
> 
> I forgot to give the URL:
> 
> 
https://r-forge.r-project.org/scm/viewvc.php/pkg/inst/examples/qt/?root=rinside

> 

But your code still creates R instance in "main", which it then passes to 
the QtDensity instance (a subclass of QtMainWindow). OTOH, once the R 
instance is stored as a member variable of QtDensity, it *is* used in 
QtDensity's methods. 

But I'm quibbling -- it's a good pattern to follow, so Cesar could perhaps 
just adapt it to his code.

Davor
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