[BioC] rgl.init error

Kasper Daniel Hansen khansen at stat.berkeley.edu
Thu Jan 29 20:57:21 CET 2009

You do a

R> packageDescription("rgl")

to find a relevant email. The maintainer should always be cc'ed when  
you report bugs. When you report bugs always include sessionInfo() and  
additional helpful information (in this case I am sure they want to  
know the version of Windows).

In this case rgl is a CRAN package, not a Bioconductor one, so you  
might get more help by reporting this on the r-help email list.

Finally, always search the archives for posts on similar problems.


On Jan 29, 2009, at 11:47 , Steve Lauriault wrote:

>> rgl.init()
> Error in rgl.init() : Assertion failure: gpWin32GUIFactory == NULL
> File: win32lib.cpp
> Line: 39
> Please report to rgl maintainer.
> Not sure who the rgl maintainer is, but this is me reporting.
> Steve
> -----Original Message-----
> From: Deepayan Sarkar [mailto:deepayan.sarkar at gmail.com]
> Sent: Thursday, January 29, 2009 12:32 PM
> To: stevan at lauriault.com
> Cc: Nishant Gopalakrishnan; bioconductor at stat.math.ethz.ch
> Subject: Re: [BioC] flowCore - cloud()
> On 1/29/09, Steve Lauriault <stevan at lauriault.com> wrote:
>> Thank you Nishant,
>> Not to be nit-picky, but is there a function that would allow one to
> rotate
>> and/or zoom-in on the cube?  If not, there is a plot developed in  
>> MatLab
> by
>> Laszlo Balkay (sp?) that allows one to do this (rotate, zoom-in, etc)
> with
>> 3-D FCS dataframes.  Not sure how congruent the two languages are,  
>> or if
>> this is any help at all, but I thought I'd relay the info.  I  
>> thought it
> was
>> a cool function, but it would be cooler if one could add colour to
> represent
>> fluorescence intensity, offspring or subset populations in the 4th
>> dimension.
> The rgl package should be able to do all this fairly easily. There is
> no convenience API predefined to allow this with flowFrames, but as
> Nishant said, there is only one extra step needed:
> 1. extract the expressions from a flowFrame as a data frame or matrix
> 2. use the standard rgl API
> There are many examples accompanying rgl that should get you started.
> -Deepayan
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