# OSX: New Psychtoolbox v 1.0.41 available now

**URL:** <https://psychtoolbox.discourse.group/t/osx-new-psychtoolbox-v-1-0-41-available-now/2036>\
**Category:** Uncategorized\
**Created:** [January 15, 2005, 2:26am UTC](https://psychtoolbox.discourse.group/t/osx-new-psychtoolbox-v-1-0-41-available-now/2036 "2005-01-15T02:26:33Z")\
**Posts on this page:** 5\
**Page:** 1

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**Author:** ![ingling7](https://avatars.discourse-cdn.com/v4/letter/i/e79b87/32.png) [@ingling7](https://psychtoolbox.discourse.group/u/ingling7)\
**Post date:** [January 15, 2005, 2:26am UTC](https://psychtoolbox.discourse.group/t/osx-new-psychtoolbox-v-1-0-41-available-now/2036/1 "2005-01-15T02:26:33Z")

</div>

Hi all,  
  
OS X Psychtoolbox version 1.0.41 is now available from Psychtoolbox.org   
here:  
[http://psychtoolbox.org/osx.html#download](http://psychtoolbox.org/osx.html#download)  
  
This release improves on 1.0.40 by merging in contributions which we   
received on the forum and by email. Special thanks to those who   
identified bugs and contributed code. I have inserted additional   
comments in C source and .m files acknowledging contributions.  
  
Credits:  
Mario Kleiner contributed many OpenGL bug fixes and optimizations and   
uncovered the overflow error in reporting memory size.  
Keith Schneider and Finnegan Calabro wrote Screen 'DrawDots' and   
provided a demo.  
Frans Cornelissen fixed AssertMex.  
David Jones reported the memory size bug in DesribeComputer and   
identified problems in TestFlip.m and TestDrawingStuff.m  
  
A list of changes since the previous release appears here:  
[http://psychtoolbox.org/osx.html#changes](http://psychtoolbox.org/osx.html#changes)  
  
best,  
  
Allen

---

<div class="post-metadata">

**Author:** ![Allen\_Ingling](https://avatars.discourse-cdn.com/v4/letter/a/a183cd/32.png) [@Allen\_Ingling](https://psychtoolbox.discourse.group/u/Allen_Ingling)\
**Post date:** [January 16, 2005, 12:42pm UTC](https://psychtoolbox.discourse.group/t/osx-new-psychtoolbox-v-1-0-41-available-now/2036/2 "2005-01-16T12:42:21Z")

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Dear David,

&nbsp;

I received the exciting news about the new version of Psychtoolbox for OS X. However, I use Psychtoolbox in Windows environment and as I brows through the pages in Psychtoolbox website, I get confused about whether I could use the new release in my PC or not. 

&nbsp;

The OS X page says that Windows users should 'eventually' be able to run their previous scripts with this version as well. What does this 'eventually' mean?&nbsp;Does it mean I will 'initially' be facing a huge mess which will be a consequence of running the new OS X in my PC?

&nbsp;

In short, how much trouble&nbsp;should I expect if I upgrade my current Psychtoolbox with the new release?&nbsp;Is it advisable to do it at all?

&nbsp;

thanks 

bahador

&nbsp;

  
&nbsp;

&nbsp;

&nbsp;

  
**_David Brainard \<brainard@...\>_** wrote:

> > On Jan 14, 2005, at 9:26 PM, Allen Ingling wrote:  
> >   
> > \>  
> > \> Hi all,  
> > \>  
> > \> OS X Psychtoolbox version 1.0.41 is now available from   
> > \> Psychtoolbox.org here:  
> > \> [http://psychtoolbox.org/osx.html#download](http://psychtoolbox.org/osx.html#download)  
> >   
> > Allen,  
> >   
> > This is really great.&nbsp; It sets the perfect tone for encouraging the   
> > community  
> > to do useful things.&nbsp; Thanks.  
> >   
> > David  
> >   
> >   
> >   
> > Post your message to: psychtoolbox@yahoogroups.com  
> > Please indicate OS9, OSX, or WIN version, and include your full name.  
> > Denis Pelli, David Brainard, and Allen Ingling.  
> > [http://psychtoolbox.org](http://psychtoolbox.org/)
> 
> * * *
> Do you Yahoo!?  
> All your favorites on one personal page � [Try My Yahoo!](http://my.yahoo.com)

---

<div class="post-metadata">

**Author:** ![josephtyw](https://avatars.discourse-cdn.com/v4/letter/j/e9c0ed/32.png) [@josephtyw](https://psychtoolbox.discourse.group/u/josephtyw)\
**Post date:** [January 17, 2005, 6:43am UTC](https://psychtoolbox.discourse.group/t/osx-new-psychtoolbox-v-1-0-41-available-now/2036/3 "2005-01-17T06:43:42Z")

</div>

As stated on the PsychToolbox main homepage, all  
current new release are for MAC OSX only, not for  
Windows. Any Windows updates will be done AFTER the  
OSX release is stable.  
  
Hence, you cannot update your psychtoolbox for Windows  
with the recent new release.  
  
Joseph  
--- Bahador Bahrami \<[bbahrami@...](mailto:bbahrami@...)\> wrote:  
  

> \> Dear David,  
> \>   
> \> I received the exciting news about the new version  
> \> of Psychtoolbox for OS X. However, I use  
> \> Psychtoolbox in Windows environment and as I brows  
> \> through the pages in Psychtoolbox website, I get  
> \> confused about whether I could use the new release  
> \> in my PC or not.   
> \>   
> \> The OS X page says that Windows users should  
> \> 'eventually' be able to run their previous scripts  
> \> with this version as well. What does this  
> \> 'eventually' mean? Does it mean I will 'initially'  
> \> be facing a huge mess which will be a consequence of  
> \> running the new OS X in my PC?  
> \>   
> \> In short, how much trouble should I expect if I  
> \> upgrade my current Psychtoolbox with the new  
> \> release? Is it advisable to do it at all?  
> \>   
> \> thanks   
> \> bahador  
> \>   
> \>   
> \>   
> \>   
> \>   
> \>   
> \> David Brainard \<[brainard@...](mailto:brainard@...)\> wrote:  
> \>   
> \> On Jan 14, 2005, at 9:26 PM, Allen Ingling wrote:  
> \>   
> \> \>  
> \> \> Hi all,  
> \> \>  
> \> \> OS X Psychtoolbox version 1.0.41 is now available  
> \> from   
> \> \> Psychtoolbox.org here:  
> \> \> [http://psychtoolbox.org/osx.html#download](http://psychtoolbox.org/osx.html#download)  
> \>   
> \> Allen,  
> \>   
> \> This is really great. It sets the perfect tone for  
> \> encouraging the   
> \> community  
> \> to do useful things. Thanks.  
> \>   
> \> David  
> \>   
> \>   
> \>   
> \> Post your message to: [psychtoolbox@yahoogroups.com](mailto:psychtoolbox@yahoogroups.com)  
> \> Please indicate OS9, OSX, or WIN version, and  
> \> include your full name.  
> \> Denis Pelli, David Brainard, and Allen Ingling.  
> \> [http://psychtoolbox.org](http://psychtoolbox.org)  
> \>   
> \>   
> \>   
> \>   
> \> ---------------------------------  
> \> Yahoo! Groups Links  
> \>   
> \> To visit your group on the web, go to:  
> \> [http://groups.yahoo.com/group/psychtoolbox/](http://groups.yahoo.com/group/psychtoolbox/)  
> \>   
> \> To unsubscribe from this group, send an email to:  
> \> [psychtoolbox-unsubscribe@yahoogroups.com](mailto:psychtoolbox-unsubscribe@yahoogroups.com)  
> \>   
> \> Your use of Yahoo! Groups is subject to the  
> \> Yahoo! Terms of Service.   
> \>   
> \>   
> \>   
> \> ---------------------------------  
> \> Do you Yahoo!?  
> \> All your favorites on one personal page ?Try My

Yahoo!  
  
  
=====  
The Lord bless you and keep you!  
  
  
  
\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_   
Do you Yahoo!?   
All your favorites on one personal page � Try My Yahoo!  
[http://my.yahoo.com](http://my.yahoo.com)

---

<div class="post-metadata">

**Author:** ![Allen\_Ingling](https://avatars.discourse-cdn.com/v4/letter/a/a183cd/32.png) [@Allen\_Ingling](https://psychtoolbox.discourse.group/u/Allen_Ingling)\
**Post date:** [January 17, 2005, 8:55pm UTC](https://psychtoolbox.discourse.group/t/osx-new-psychtoolbox-v-1-0-41-available-now/2036/4 "2005-01-17T20:55:59Z")

</div>

A quick followup:  
  

> \> Model Type "PowerMac7,2" with 2.00 GB RAM, bus clock 1.00 GHz  
> \>

... actually, the bus speed is probably correct (1 GHz, half of   
processor speed),  
but the RAM is definitely wrong by a factor of 2.  
  
-- David Jones

---

<div class="post-metadata">

**Author:** ![Allen\_Ingling](https://avatars.discourse-cdn.com/v4/letter/a/a183cd/32.png) [@Allen\_Ingling](https://psychtoolbox.discourse.group/u/Allen_Ingling)\
**Post date:** [January 17, 2005, 8:42pm UTC](https://psychtoolbox.discourse.group/t/osx-new-psychtoolbox-v-1-0-41-available-now/2036/5 "2005-01-17T20:42:26Z")

</div>

Psychtoolbox 1.0.41 Bug Report  
  
Overview:  
  
1. DescribeComputer still contains numerical errors.  
2. PsychTestsOSX/TestFlip reports wrong units.  
3. PsychTestsOSX/TestDrawingStuffOSX still fails trying to open first   
window  
4. PsychTestsOSX/TestEventAvailOSX ... fails, no "EventAvail"  
5. PsychTestsOSX/TestMATLABTimingOSX ... screen goes blank, never comes   
back  
  
  
Details:  
- - - - -  
  
1. DescribeComputer contains numerical errors.  
  
The CORRECT answers (obtained from "About this Mac" under OS X):  
  
Processor: Dual 2 GHz PowerPC G5  
Memory: 4 GB DDR SDRAM  
  
  
The Psychtoolbox ERROR output is given below.  
Notice the RAM and bus are both too small by a factor of 2.  
  
  
\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* David Jones on Cascade \*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*  
Dual-CPU Power Mac G5 at 2.00 GHz, Mac OS 10.3.7  
Model Type "PowerMac7,2" with 2.00 GB RAM, bus clock 1.00 GHz  
Psychtoolbox 1.0.41, 14 January 2004  
MATLAB 7.0.1.24704 (R14) Service Pack 1  
QuickTime 6.5.2  
  
- - - - -  
  
2. PsychTestsOSX/TestFlip reports wrong units.  
  
The CORRECT units for frame frequency are Hz or frames/sec  
  
The ERROR reports the frequency in "seconds".  
  
- - - - -  
  
3. PsychTestsOSX/TestDrawingStuffOSX still fails trying to open first   
window  
  
There is a typo. The number "2" must be replaced by the letter "s".  
  
% ERROR  
% w=Screen('OpenWindow', 2,[],[],32,2);  
% CORRECTED  
w=Screen('OpenWindow', s,[],[],32,2);  
  
- - - - -  
  
4. PsychTestsOSX/TestEventAvailOSX ... fails  
  
First ERROR:  
  

> \>\> TestEventAvailOSX

??? Error: File: TestEventAvailOSX.m Line: 8 Column: 1  
Illegal use of reserved keyword "end".  
  
Second ERROR, (after deleting offending line):  
  

> \>\> TestEventAvailOSX

??? Undefined command/function 'EventAvail'.  
  
Error in ==\> TestEventAvailOSX at 3  
[isThere, eventName]=EventAvail('keyDown', 'autoKey',   
'mouseDown','mouseUp');  
  
- - - - -  
  
5. PsychTestsOSX/TestMATLABTimingOSX ... screen goes blank, never comes   
back
