visualpython-users

Re: [Visualpython-users] License

[C A. R. <an...@ex...>]

On Thu, Jun 17, 2010 at 5:50 PM, Thomas Spura <to...@fe...> wrote:
> Am Thu, 17 Jun 2010 11:18:48 -0600
> schrieb Bruce Sherwood <bas...@nc...>:
>
>> I'm not sure to what you're referring.
>
> To this part of the license:
>
> [snip]
>
>> ---------------------------------------------------------------------
>> The following copyright notice applies to the Polygon module
>> distributed with Visual for the convenience of our users under the
>> following terms:
>>
>> "This distribution contains code from the GPC Library, and/or code
>> resulting from the use of the GPC Library. This usage has been
>> authorized by The University of Manchester, on the understanding
>> that the GPC-related features are used only in the context of this
>> distribution. It is not permitted to extract the GPC code from the
>> distribution as the basis for commercial exploitation, unless a
>> GPC Commercial Use Licence is obtained from The University of
>> Manchester, contact: http://www.cs.man.ac.uk/~toby/gpc/".
>>
>> ---------------------------------------------------------------------
>
> This sounds highly 'non free' and therefor needs to go through the
> legal team from redhat at least.
>
> But after looking thought the sources, I didn't found, where the
> polygon module exactly is... Should be somewhere under
> site-packages/visual/*, but the only thing I found was
> in ./site-packages/visual/primitives.py:
> 'import Polygon'.
>
> So where is it?
>
> Grepping for "GPC" also brings no results, so at least there will be a
> comment missing about the license, if this polygon modules is still
> included...
>
>        Thomas

the language, to me at least, sounds like you are permitted to do
whatever you'd like with visual itself, as a package/platform.

"It is not permitted to extract the GPC code from the distribution as
the basis for commercial exploitation"

thus, you can't pull the GPC bits out exclusively and use them to
spearhead a commercial product, but that doesn't mean you can't use
visual as a platform in a commercial project.  at least that's how i
understand it.

[Visualpython-users] How do I change the view region to see only part of the 3D region?

[Baozhi C. <bc...@gm...>]

Hi all,

I am a new user of VPython. My goal is to make a 3D visualization of a
moving autonomous vehicle for a demo. The vehicle will move along a
long trajectory.
For example, the whole trajectory is from 0 m to 2000 m in x-axis
while the vehicle is only 1 or 2 m long.
Therefore it won't look good to view the whole trajectory. I want to
set the viewing region dynamically to an appropriate size (for
example, from 1950 m to 2000 m in x-axis) so
that the vehicle does not look too small. I have tried to use the
scene.center and scene.range to change the view region but it doesn't
seem to work.
Could any one tell me what's wrong and how to set the view region?

I am using a SONY VGN-CR490 laptop with intel 965GM graphics driver.
My OS is Ubuntu 10.04 and VPython is the latest version 5.32 (I
followed INSTALL.txt to install).
BTW, there seems to be a problem when I tried to use the textures,
which leads to the crash of the GNOME window system.
Some 3D text object cannot be displayed in my visualization although
the text examples coming with Vpython work.

Thanks.

Bob

Re: [Visualpython-users] License

[Thomas S. <to...@fe...>]

Am Thu, 17 Jun 2010 11:18:48 -0600
schrieb Bruce Sherwood <bas...@nc...>:

> I'm not sure to what you're referring. 

To this part of the license:

[snip]

> ---------------------------------------------------------------------
> The following copyright notice applies to the Polygon module
> distributed with Visual for the convenience of our users under the
> following terms:
> 
> "This distribution contains code from the GPC Library, and/or code
> resulting from the use of the GPC Library. This usage has been
> authorized by The University of Manchester, on the understanding
> that the GPC-related features are used only in the context of this
> distribution. It is not permitted to extract the GPC code from the
> distribution as the basis for commercial exploitation, unless a
> GPC Commercial Use Licence is obtained from The University of
> Manchester, contact: http://www.cs.man.ac.uk/~toby/gpc/".
> 
> ---------------------------------------------------------------------

This sounds highly 'non free' and therefor needs to go through the
legal team from redhat at least.

But after looking thought the sources, I didn't found, where the
polygon module exactly is... Should be somewhere under
site-packages/visual/*, but the only thing I found was
in ./site-packages/visual/primitives.py:
'import Polygon'.

So where is it?

Grepping for "GPC" also brings no results, so at least there will be a
comment missing about the license, if this polygon modules is still
included...

	Thomas

[Visualpython-users] License

[Bruce S. <bas...@nc...>]

I'm not sure to what you're referring. Here is the most recent text of
license.txt, which is included in the "visual" folder in site-packages on
all platforms. Note the recent modification with respect to the Polygon
module, which is used by the new 3D text object:

The Visual library is Copyright (c) 2000, 2001, 2002, 2003, 2004,
and 2005 by David Scherer and others.  See authors.txt for a
complete list of contributors.

                        All Rights Reserved

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the names of the authors may not be
used in advertising or publicity pertaining to distribution of the
software without specific, written prior permission.

THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE
USE OR PERFORMANCE OF THIS SOFTWARE.

---------------------------------------------------------------------
The following copyright notice applies to the Polygon module distributed
with Visual for the convenience of our users under the following terms:

"This distribution contains code from the GPC Library, and/or code
resulting from the use of the GPC Library. This usage has been
authorized by The University of Manchester, on the understanding
that the GPC-related features are used only in the context of this
distribution. It is not permitted to extract the GPC code from the
distribution as the basis for commercial exploitation, unless a
GPC Commercial Use Licence is obtained from The University of
Manchester, contact: http://www.cs.man.ac.uk/~toby/gpc/".

---------------------------------------------------------------------
The following copyright notice applies to the files src/num_util* and
include/num_util* which are distributed with Visual for the convenience of
our users under the following terms:

num_util is Copyright (c) 2003 by Rhys Goldstein, Chris Seymour and
Phil Austin.

Boost Software License - Version 1.0 - August 17th, 2003

Permission is hereby granted, free of charge, to any person or organization
obtaining a copy of the software and accompanying documentation covered by
this license (the "Software") to use, reproduce, display, distribute,
execute, and transmit the Software, and to prepare derivative works of the
Software, and to permit third-parties to whom the Software is furnished to
do so, all subject to the following:

The copyright notices in the Software and this entire statement, including
the above license grant, this restriction and the following disclaimer,
must be included in all copies of the Software, in whole or in part, and
all derivative works of the Software, unless such copies or derivative
works are solely in the form of machine-executable object code generated by
a source language processor.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.


On Wed, Jun 16, 2010 at 6:39 PM, Thomas Spura <to...@fe...>
wrote:

> Hi list,
>
> there are some notes, that show, that the primitives implementation
> from GPC is nonfree (no GPL etc.), but I could not find something about
> this in the sources.
>
> Was it removed?
>
> Could you please update that section, to either remove what's not
> applicaple anymore or clarify where it's to find?
>
> Thanks,
>  Thomas

[Visualpython-users] license clarification

[Thomas S. <to...@fe...>]

Hi list,

there are some notes, that show, that the primitives implementation
from GPC is nonfree (no GPL etc.), but I could not find something about
this in the sources.

Was it removed?

Could you please update that section, to either remove what's not
applicaple anymore or clarify where it's to find?

Thanks,
  Thomas

[Visualpython-users] Chaotic Billiard

[Bruce S. <Bru...@nc...>]

In the Contributed section of vpython.org you'll find the attractive 
Chaotic Billiard program of Pablo Garcia Corzo.

Bruce Sherwood

Re: [Visualpython-users] Vpython game

[Bruce S. <Bru...@nc...>]

Even odder. Now it works fine. Instead of a second window flashing 
briefly, the game appears in the first window and works properly. I 
didn't have to try the window resize trick. I didn't reboot the machine 
or do anything to change the environment as far as I know.

Bruce Sherwood

On 6/10/2010 5:50 PM, Roberto Aguirre Maturana wrote:
> That's odd. Admittedly, I've only tested this application on Windows XP,
> where it seems to work fine.
>
> It's just a hunch, but the next time you start a New game for the first
> time, after de 'flashing window' disappears, resize the window with menu
> options.
>
> Regards,
>
> Roberto.
>
>
> On Thu, 10 Jun 2010 17:32:49 -0400, Bruce Sherwood
> <Bru...@nc...>  wrote:
>
>    
>> It doesn't run on my 64-bit Windows 7 machine. First there is a black
>> window with menu options. I choose New game and there is a brief flash
>> of another window with some colored boxes. If I choose New game again
>> nothing happens. If I quit and restart I can again see the brief flash
>> of another window with colored boxes in it.
>>
>> In the installation process I was asked whether to keep the newer dll's
>> already installed on my machine, and I said yes.
>>
>> Bruce Sherwood
>>
>> On 6/9/2010 8:15 PM, Roberto Aguirre Maturana wrote:
>>      
>>> I've used VPython to create this bejeweled-like game:
>>>
>>> http://cid-25561c9a109ea113.office.live.com/self.aspx/.Public/Jetris^_Setup.exe
>>>
>>> I followed some instructions found on this mailing list to embed the
>>> VPython frame on a wxpython frame created with Boa Constructor.
>>>
>>> Send me an e-mail if you are interested on the source code.
>>>
>>> Best regards,
>>>
>>> Roberto Aguirre
>>> Geologist
>>> La Serena, Chile
>>>
>>>
>>>        
>> ------------------------------------------------------------------------------
>> ThinkGeek and WIRED's GeekDad team up for the Ultimate
>> GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the
>> lucky parental unit.  See the prize list and enter to win:
>> http://p.sf.net/sfu/thinkgeek-promo
>> _______________________________________________
>> Visualpython-users mailing list
>> Vis...@li...
>> https://lists.sourceforge.net/lists/listinfo/visualpython-users
>>
>>      
>
>    

Re: [Visualpython-users] Vpython game

[Roberto A. M. <rha...@ho...>]

That's odd. Admittedly, I've only tested this application on Windows XP,  
where it seems to work fine.

It's just a hunch, but the next time you start a New game for the first  
time, after de 'flashing window' disappears, resize the window with menu  
options.

Regards,

Roberto.


On Thu, 10 Jun 2010 17:32:49 -0400, Bruce Sherwood  
<Bru...@nc...> wrote:

> It doesn't run on my 64-bit Windows 7 machine. First there is a black
> window with menu options. I choose New game and there is a brief flash
> of another window with some colored boxes. If I choose New game again
> nothing happens. If I quit and restart I can again see the brief flash
> of another window with colored boxes in it.
>
> In the installation process I was asked whether to keep the newer dll's
> already installed on my machine, and I said yes.
>
> Bruce Sherwood
>
> On 6/9/2010 8:15 PM, Roberto Aguirre Maturana wrote:
>> I've used VPython to create this bejeweled-like game:
>>
>> http://cid-25561c9a109ea113.office.live.com/self.aspx/.Public/Jetris^_Setup.exe
>>
>> I followed some instructions found on this mailing list to embed the
>> VPython frame on a wxpython frame created with Boa Constructor.
>>
>> Send me an e-mail if you are interested on the source code.
>>
>> Best regards,
>>
>> Roberto Aguirre
>> Geologist
>> La Serena, Chile
>>
>>
>
> ------------------------------------------------------------------------------
> ThinkGeek and WIRED's GeekDad team up for the Ultimate
> GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the
> lucky parental unit.  See the prize list and enter to win:
> http://p.sf.net/sfu/thinkgeek-promo
> _______________________________________________
> Visualpython-users mailing list
> Vis...@li...
> https://lists.sourceforge.net/lists/listinfo/visualpython-users
>


-- 
Using Opera's revolutionary e-mail client: http://www.opera.com/mail/

Re: [Visualpython-users] Vpython game

[Bruce S. <Bru...@nc...>]

It doesn't run on my 64-bit Windows 7 machine. First there is a black 
window with menu options. I choose New game and there is a brief flash 
of another window with some colored boxes. If I choose New game again 
nothing happens. If I quit and restart I can again see the brief flash 
of another window with colored boxes in it.

In the installation process I was asked whether to keep the newer dll's 
already installed on my machine, and I said yes.

Bruce Sherwood

On 6/9/2010 8:15 PM, Roberto Aguirre Maturana wrote:
> I've used VPython to create this bejeweled-like game:
>
> http://cid-25561c9a109ea113.office.live.com/self.aspx/.Public/Jetris^_Setup.exe
>
> I followed some instructions found on this mailing list to embed the
> VPython frame on a wxpython frame created with Boa Constructor.
>
> Send me an e-mail if you are interested on the source code.
>
> Best regards,
>
> Roberto Aguirre
> Geologist
> La Serena, Chile
>
>    

[Visualpython-users] Vpython game

[Roberto A. M. <rha...@ho...>]

I've used VPython to create this bejeweled-like game:

http://cid-25561c9a109ea113.office.live.com/self.aspx/.Public/Jetris^_Setup.exe

I followed some instructions found on this mailing list to embed the  
VPython frame on a wxpython frame created with Boa Constructor.

Send me an e-mail if you are interested on the source code.

Best regards,

Roberto Aguirre
Geologist
La Serena, Chile

-- 
Using Opera's revolutionary e-mail client: http://www.opera.com/mail/

Re: [Visualpython-users] Crash on py2exe

[Guy K. K. <g....@ma...>]

On Thu, 10 Jun 2010 04:11:56 Davidmh wrote:
> try: from visual import *
> except:pass

Can you please at least try to capture a *specific* exception? Harvesting off 
*all* exceptions is usually a *very* bad design decision, and much frowned 
upon.

If there's a problem, take a note of the exception, and then use precisely 
that one in the try/except block. I know there are quite some programming 
newbies also here on the list, and I do not like to leave these sloppy code 
samples around here to be adopted (and worsened in the course).

Thanks,

Guy

PS: Also try to cut the quoted mails to what is necessary to understand your 
mail in context, and do not leave all the crap with all signatures underneath 
your mail. This is especially nice to people reading to the mailing list in 
digest mode!

-- 
Guy K. Kloss
Institute of Information and Mathematical Sciences
Te Kura Pūtaiao o Mōhiohio me Pāngarau
Massey University, Albany (North Shore City, Auckland)
473 State Highway 17, Gate 1, Mailroom, Quad B Building
voice: +64 9 414-0800 ext. 9266   fax: +64 9 441-8181
G....@ma... http://www.massey.ac.nz/~gkloss

Re: [Visualpython-users] Caothic Pylliard

[Pablo G. C. <ozr...@gm...>]

Sorry, Danny told me and I fixed it but I answered just him, not to the
list.

The problem is when calling vector components as .x, .y, .z (I'm using
version 3.2.9 and everything was working fine).
I've just changed that to [0], [1], [2].

The background issue is some kind of a stupid feature, I want to know when
the system is calculating and when it is waiting for user input.

Try with this new version, it's even funnier when it doesn't crash!!! XD


\\//
Que la suerza os acompañe
   Pablo.


El 9 de junio de 2010 18:36, Davidmh <dav...@gm...> escribió:

> It is crashing. When my ball reachs one of the ends of the table, it
> returns:
>
> G:\Descargas>stadium.py
> Traceback (most recent call last):
>   File "G:\Descargas\stadium.py", line 141, in <module>
>     bola=Disparo(bola,dt,maxposx,maxposz,FR,FRBB,FRBW)
>   File "G:\Descargas\stadium.py", line 103, in Disparo
>     i.vel.x-=change.x
> AttributeError: 'numpy.ndarray' object has no attribute 'x'
>
> Further, while the ball is moving, the background switches to  white,
> and returns to black when stops.
>
> I am executing it on WXP.
>
> I agree with you: it is funny. :)
>
> David.
>
> 2010/6/9 Pablo García Corzo <ozr...@gm...>:
> > Hi all!
> > This is a small toy for playing some kind of special billiard... a
> stadium
> > billiard.
> > The code is not very elegant, but the resulting game is quite fun!
> > The rules are simple, you just have to point and shoot kicking all the
> > balls.
> > Maybe it is something attractive for the "user-contributed programs"
> > section.
> >
> > \\//
> > Que la suerza os acompañe
> >    Pablo.
> >
> >
> ------------------------------------------------------------------------------
> > ThinkGeek and WIRED's GeekDad team up for the Ultimate
> > GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the
> > lucky parental unit.  See the prize list and enter to win:
> > http://p.sf.net/sfu/thinkgeek-promo
> > _______________________________________________
> > Visualpython-users mailing list
> > Vis...@li...
> > https://lists.sourceforge.net/lists/listinfo/visualpython-users
> >
> >
>

Re: [Visualpython-users] Caothic Pylliard

[Davidmh <dav...@gm...>]

It is crashing. When my ball reachs one of the ends of the table, it returns:

G:\Descargas>stadium.py
Traceback (most recent call last):
  File "G:\Descargas\stadium.py", line 141, in <module>
    bola=Disparo(bola,dt,maxposx,maxposz,FR,FRBB,FRBW)
  File "G:\Descargas\stadium.py", line 103, in Disparo
    i.vel.x-=change.x
AttributeError: 'numpy.ndarray' object has no attribute 'x'

Further, while the ball is moving, the background switches to  white,
and returns to black when stops.

I am executing it on WXP.

I agree with you: it is funny. :)

David.

2010/6/9 Pablo García Corzo <ozr...@gm...>:
> Hi all!
> This is a small toy for playing some kind of special billiard... a stadium
> billiard.
> The code is not very elegant, but the resulting game is quite fun!
> The rules are simple, you just have to point and shoot kicking all the
> balls.
> Maybe it is something attractive for the "user-contributed programs"
> section.
>
> \\//
> Que la suerza os acompañe
>    Pablo.
>
> ------------------------------------------------------------------------------
> ThinkGeek and WIRED's GeekDad team up for the Ultimate
> GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the
> lucky parental unit.  See the prize list and enter to win:
> http://p.sf.net/sfu/thinkgeek-promo
> _______________________________________________
> Visualpython-users mailing list
> Vis...@li...
> https://lists.sourceforge.net/lists/listinfo/visualpython-users
>
>

Re: [Visualpython-users] Crash on py2exe

[Davidmh <dav...@gm...>]

Hello. I have finally fixed the problem in a somewhat silly way:

try: from visual import *
except:pass

I figure the crash is before the important parts of visual are
imported, so it can go ahead. It won't work on programs that depend on
materials.


Regards,

David.

On Wed, May 12, 2010 at 10:23 PM, Davidmh <dav...@gm...> wrote:
> I have found this: http://www.py2exe.org/index.cgi/MatPlotLib
>
> That, in my case turns into:
>
> data_files = [( r'visual', glob.glob
> (r'C:\Python25\Lib\site-packages\visual\*.tga' )),
>
> (r'visual',[r'C:\Python25\Lib\site-packages\visual\turbulence3.tga'])],
>
> But the problem persists. Instead of storing it in
> dist/library.zip/visual, it creates a new directory, putting the files
> in dist/visual
>
>
> Doing some research I have arrived to:
>
> opts = {
>    'py2exe': { 'packages': ['visual']
>              }
>       }
>
> Here I can override the turbulence3.tga crash, but I get
>
> Traceback (most recent call last):
>  File "selfoc.py", line 2, in <module>
>  File "visual\__init__.pyc", line 83, in <module>
> UnicodeDecodeError: 'ascii' codec can't decode byte 0xd3 in position 49: ordinal
>  not in range(128)
>
> whenever I try to execute it.
>
>
> What am I doing wrong?
>
> Thanks a lot.
>
> David.
>
> On Wed, May 12, 2010 at 8:51 PM, Stef Mientki <ste...@gm...> wrote:
>> On 12-05-2010 20:43, Davidmh wrote:
>>> Where? In the setup for py2exe or in the original source code?
>>>
>> the Datafiles of py2exe,
>> don't know how to that anymore, but that's in the docs of py2exe.
>>
>> As Py2exe is a crime to work with,
>> not only for vpython, but also matplotlib and others,
>> I made a setup program once and use it all the time with great success.
>>
>> cheers,
>> Stef
>>
>>
>>> Thanks for your help.
>>>
>>> On Wed, May 12, 2010 at 8:41 PM, Stef Mientki <ste...@gm...> wrote:
>>>
>>>> On 12-05-2010 18:04, Davidmh wrote:
>>>>
>>>>> Hello.
>>>>>
>>>>> I have compiled successfully several programs to Windows binaries usin
>>>>> py2exe, but when I try to execute a working program depending on
>>>>> VPython, I get the following error:
>>>>>
>>>>> Traceback (most recent call last):
>>>>>   File "mirage.py", line 2, in <module>
>>>>>   File "visual\__init__.pyc", line 66, in <module>
>>>>>   File "visual\ui.pyc", line 3, in <module>
>>>>>   File "visual\materials.pyc", line 151, in <module>
>>>>>   File "visual\materials.pyc", line 129, in loadTGA
>>>>> IOError: [Errno 2] No such file or directory:
>>>>> 'C:\\pyex\\dist\\library.zip\\visual/turbulence3.tga'
>>>>>
>>>>> I use Python 2.5, and as I have seen, there have been more people with
>>>>> the same problem. The only solution reported I have found is simply
>>>>> deleting the definition on the module source code. Although inelegant,
>>>>> it could work, as long I am not using any materials in my program; but
>>>>> I don't like editing that kind of source.
>>>>>
>>>>> I think the option "excludes" could be used, but after several tries I
>>>>> haven't been successful.
>>>>>
>>>>> Any ideas?
>>>>>
>>>>>
>>>>>
>>>> I always include all the tga files explicitly:
>>>>  if Include_VPython :
>>>>    Data_Files.append ( ( r'visual', glob.glob (
>>>>      r'P:\Python\Lib\site-packages\visual\*.tga' )))
>>>> chers,
>>>> Stef
>>>>
>>>>> Thank you;
>>>>>
>>>>> David Menéndez.
>>>>>
>>>>> ------------------------------------------------------------------------------
>>>>>
>>>>> _______________________________________________
>>>>> Visualpython-users mailing list
>>>>> Vis...@li...
>>>>> https://lists.sourceforge.net/lists/listinfo/visualpython-users
>>>>>
>>>>>
>>>>
>>>> ------------------------------------------------------------------------------
>>>>
>>>> _______________________________________________
>>>> Visualpython-users mailing list
>>>> Vis...@li...
>>>> https://lists.sourceforge.net/lists/listinfo/visualpython-users
>>>>
>>
>>
>

[Visualpython-users] Caothic Pylliard

[Pablo G. C. <ozr...@gm...>]

Hi all!

This is a small toy for playing some kind of special billiard... a stadium
billiard.
The code is not very elegant, but the resulting game is quite fun!
The rules are simple, you just have to point and shoot kicking all the
balls.
Maybe it is something attractive for the "user-contributed programs"
section.


\\//
Que la suerza os acompañe
   Pablo.

Re: [Visualpython-users] segfault on Ubuntu 10.04

[Gary P. <gar...@gm...>]

On Mon, Jun 7, 2010 at 10:29 AM, Gary Pajer <gar...@gm...> wrote:

> On Sat, Jun 5, 2010 at 8:56 AM, Symion <kn...@ip...> wrote:
>
>>  On 5/06/2010 2:52 AM, Gary Pajer wrote:
>>
>> On Thu, Jun 3, 2010 at 6:12 PM, Guy K. Kloss <g....@ma...>wrote:
>>
>>> On Fri, 04 Jun 2010 04:08:46 Gary Pajer wrote:
>>> > If I remove the line containing scene.range the original program works
>>> > fine. I'm using python-visual from the Ubuntu repository.
>>> > Can someone else try it?  I'd be especially interested to know if it
>>> > crashes using the respository version, but works using Bruce's
>>> home-made
>>> > version.
>>>
>>
>>
>
>
>>  I think you have to declare scene.range Before you can use it.
>>
>> #----------------------------------
>> from visual import *
>> scene.range = 10
>>  sphere()
>> scene.range = scene.range * 3.
>>
>> works fine!
>>
>
>
> Not for me.  It no longer segfaults.  But now a window pops up containing a
> yellow sphere, and a split second later the sphere is replaced by yellow
> garbage.  The window responds to rotation mouse gestures, but not zooms.
>
> Point of interest #1:  the original code worked fine under WinXP.
> Point of interest #2:  it was not necessary to declare scene.range in
> WinXP.
> Something else:  I don't know which version of visual I was using when I
> was using WinXP.
>
> Bruce, if I'm not mistaken you are relocating, and therefore probably very
> busy.  But whenever it's comfortable, I'd appreciate it if you can try my
> code on your home-grown build, and, if you still have it available, your
> from-Ubuntu-repository build in order to see if it works on one but not on
> the other.  If it does, any pointers on building on Ubuntu would  be
> appreciated.
>
> Thanks very much,
> gary
>


Oops.  Symion's fix does work.
I accidentally tried the fix on an old version of my test program which
contained some other garbage that filled the window with ... well, garbage.

Thanks, Symion
-gary

Re: [Visualpython-users] segfault on Ubuntu 10.04

[Bruce S. <Bru...@nc...>]

I don't have the Ubuntu 10.04 python-visual running, but your code works 
fine with my own build on 32-bit and 64-bit Ubuntu. This is the only 
thing that was problematic:

The following change is necessary if you get an error in 
translate_exception.hpp:

     In /usr/include (probably), change 
/boost/python/detail/translate_exception.hpp
     ===================================================================
     --- boost/python/detail/translate_exception.hpp (revision 50228)
     +++ boost/python/detail/translate_exception.hpp (working copy)
     @@ -9,6 +9,7 @@

     # include <boost/call_traits.hpp>
      # include <boost/type_traits/add_const.hpp>
     +# include <boost/type_traits/add_reference.hpp>

     # include <boost/function/function0.hpp>
     --------------------------------------
     (That is, add "# include <boost/type_traits/add_reference.hpp>" 
after the
     statement "# include <boost/type_traits/add_const.hpp>".)

This is the updated information in the CVS version of 
vpython-core2/INSTALL.txt at sourceforge.net.

I posted a complaint and question about this at

https://answers.launchpad.net/ubuntu/+question/112778

I can't find any substantive difference between the source package used by someone to build python-visual and the source I'm building from, so I can't understand how that someone was able to build python-visual, since there is this problem with Boost. Alas, no one has responded to my question.

Bruce

On 6/7/2010 8:29 AM, Gary Pajer wrote:
> On Sat, Jun 5, 2010 at 8:56 AM, Symion <kn...@ip... 
> <mailto:kn...@ip...>> wrote:
>
>     On 5/06/2010 2:52 AM, Gary Pajer wrote:
>>     On Thu, Jun 3, 2010 at 6:12 PM, Guy K. Kloss
>>     <g....@ma... <mailto:g....@ma...>> wrote:
>>
>>         On Fri, 04 Jun 2010 04:08:46 Gary Pajer wrote:
>>         > If I remove the line containing scene.range the original
>>         program works
>>         > fine. I'm using python-visual from the Ubuntu repository.
>>         > Can someone else try it?  I'd be especially interested to
>>         know if it
>>         > crashes using the respository version, but works using
>>         Bruce's home-made
>>         > version.
>>
>>
>
>     I think you have to declare scene.range Before you can use it.
>     #----------------------------------
>     from visual import *
>     scene.range = 10
>     sphere()
>     scene.range = scene.range * 3.
>
>     works fine!
>
>
>
> Not for me.  It no longer segfaults.  But now a window pops up 
> containing a yellow sphere, and a split second later the sphere is 
> replaced by yellow garbage.  The window responds to rotation mouse 
> gestures, but not zooms.
>
> Point of interest #1:  the original code worked fine under WinXP.
> Point of interest #2:  it was not necessary to declare scene.range in 
> WinXP.
> Something else:  I don't know which version of visual I was using when 
> I was using WinXP.
>
> Bruce, if I'm not mistaken you are relocating, and therefore probably 
> very busy.  But whenever it's comfortable, I'd appreciate it if you 
> can try my code on your home-grown build, and, if you still have it 
> available, your from-Ubuntu-repository build in order to see if it 
> works on one but not on the other.  If it does, any pointers on 
> building on Ubuntu would  be appreciated.
>
> Thanks very much,
> gary
>
>
> ------------------------------------------------------------------------------
> ThinkGeek and WIRED's GeekDad team up for the Ultimate
> GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the
> lucky parental unit.  See the prize list and enter to win:
> http://p.sf.net/sfu/thinkgeek-promo
>
>
> _______________________________________________
> Visualpython-users mailing list
> Vis...@li...
> https://lists.sourceforge.net/lists/listinfo/visualpython-users
>    

Re: [Visualpython-users] segfault on Ubuntu 10.04

[Gary P. <gar...@gm...>]

On Sat, Jun 5, 2010 at 8:56 AM, Symion <kn...@ip...> wrote:

>  On 5/06/2010 2:52 AM, Gary Pajer wrote:
>
> On Thu, Jun 3, 2010 at 6:12 PM, Guy K. Kloss <g....@ma...> wrote:
>
>> On Fri, 04 Jun 2010 04:08:46 Gary Pajer wrote:
>> > If I remove the line containing scene.range the original program works
>> > fine. I'm using python-visual from the Ubuntu repository.
>> > Can someone else try it?  I'd be especially interested to know if it
>> > crashes using the respository version, but works using Bruce's home-made
>> > version.
>>
>
>


>  I think you have to declare scene.range Before you can use it.
> #----------------------------------
> from visual import *
> scene.range = 10
>  sphere()
> scene.range = scene.range * 3.
>
> works fine!
>


Not for me.  It no longer segfaults.  But now a window pops up containing a
yellow sphere, and a split second later the sphere is replaced by yellow
garbage.  The window responds to rotation mouse gestures, but not zooms.

Point of interest #1:  the original code worked fine under WinXP.
Point of interest #2:  it was not necessary to declare scene.range in WinXP.
Something else:  I don't know which version of visual I was using when I was
using WinXP.

Bruce, if I'm not mistaken you are relocating, and therefore probably very
busy.  But whenever it's comfortable, I'd appreciate it if you can try my
code on your home-grown build, and, if you still have it available, your
from-Ubuntu-repository build in order to see if it works on one but not on
the other.  If it does, any pointers on building on Ubuntu would  be
appreciated.

Thanks very much,
gary

Re: [Visualpython-users] segfault on Ubuntu 10.04

[Gary P. <gar...@gm...>]

On Thu, Jun 3, 2010 at 6:12 PM, Guy K. Kloss <g....@ma...> wrote:

> On Fri, 04 Jun 2010 04:08:46 Gary Pajer wrote:
> > If I remove the line containing scene.range the original program works
> > fine. I'm using python-visual from the Ubuntu repository.
> > Can someone else try it?  I'd be especially interested to know if it
> > crashes using the respository version, but works using Bruce's home-made
> > version.
>
> Works perfectly fine on Kubuntu 10.04 (32 bit). Well, fine as in "it
> doesn't
> segfault". But I do get an exception on the last line (RuntimeError):
>
> """
> RuntimeError: Reading .scale and .range is not supported when autoscale is
> enabled.
> """
>
> Which is fair enough. Are you maybe on a 64 bit system, that behaves
> (slightly) different?
>

The original has an autoscale statement whose presence doesn't affect the
segfault.
I'm have a 32 bit system.   Might be yet another Mesa/Radeon Mobility 7500
 problem.  It wouldn't be the first.


>
> It might also help to run the problem under strace when that happens, or
> under
> gdb to trace down the original problem.
>

I'll give that a try.
Thanks.


>
> HTH,
>
> Guy
>
> --
> Guy K. Kloss
> Institute of Information and Mathematical Sciences
> Te Kura Pūtaiao o Mōhiohio me Pāngarau
> Massey University, Albany (North Shore City, Auckland)
> 473 State Highway 17, Gate 1, Mailroom, Quad B Building
> voice: +64 9 414-0800 ext. 9266   fax: +64 9 441-8181
> G....@ma... http://www.massey.ac.nz/~gkloss
>
>
> ------------------------------------------------------------------------------
> ThinkGeek and WIRED's GeekDad team up for the Ultimate
> GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the
> lucky parental unit.  See the prize list and enter to win:
> http://p.sf.net/sfu/thinkgeek-promo
> _______________________________________________
> Visualpython-users mailing list
> Vis...@li...
> https://lists.sourceforge.net/lists/listinfo/visualpython-users
>
>

Re: [Visualpython-users] segfault on Ubuntu 10.04

[Guy K. K. <g....@ma...>]

On Fri, 04 Jun 2010 04:08:46 Gary Pajer wrote:
> If I remove the line containing scene.range the original program works
> fine. I'm using python-visual from the Ubuntu repository.
> Can someone else try it?  I'd be especially interested to know if it
> crashes using the respository version, but works using Bruce's home-made
> version.

Works perfectly fine on Kubuntu 10.04 (32 bit). Well, fine as in "it doesn't 
segfault". But I do get an exception on the last line (RuntimeError):

"""
RuntimeError: Reading .scale and .range is not supported when autoscale is 
enabled.
"""

Which is fair enough. Are you maybe on a 64 bit system, that behaves 
(slightly) different?

It might also help to run the problem under strace when that happens, or under 
gdb to trace down the original problem.

HTH,

Guy

-- 
Guy K. Kloss
Institute of Information and Mathematical Sciences
Te Kura Pūtaiao o Mōhiohio me Pāngarau
Massey University, Albany (North Shore City, Auckland)
473 State Highway 17, Gate 1, Mailroom, Quad B Building
voice: +64 9 414-0800 ext. 9266   fax: +64 9 441-8181
G....@ma... http://www.massey.ac.nz/~gkloss

[Visualpython-users] segfault on Ubuntu 10.04

[Gary P. <gar...@gm...>]

A program of mine segfaults on Kubuntu 10.04  I've extracted the offending
code:

#----------------------------------
from visual import *
sphere()
scene.range = scene.range * 3.
#-----------------------------------


If I remove the line containing scene.range the original program works fine.
I'm using python-visual from the Ubuntu repository.
Can someone else try it?  I'd be especially interested to know if it crashes
using the respository version, but works using Bruce's home-made version.

thanks,
gary

Re: [Visualpython-users] ubuntu 9.10 installation for dummies...please

[<b2t...@uc...>]

Thanks guys,

I switched to 10.04 and everything worked out quickly!




> Hi,
>
> I've used python on windows vista for a year now, but I just switched over
> to Ubuntu 9.10.  I've read the instructions in Hackers.txt and I can't
> figure it out.  Is there any thread that has thoroughly addressed this for
> true beginners of Ubuntu?
>
> Line by line terminal commands would be helpful!
>
> Thanks,
> Benjamin Thompson
> UCSD Dept. of Structural Engineering
> 619-792-0925
>


Benjamin Thompson
UCSD Dept. of Structural Engineering
619-792-0925

Re: [Visualpython-users] ubuntu 9.10 installation for dummies...please

[Andrew M. <amo...@de...>]

Has something about the boost libraries changed since December?  We
had a discussion on this list back then about installing on Ubuntu
Karmic (9.10) and for me, the fix involved installing the
libgtkglextmm-x11-1.2-dev package (and its dependencies).  This was as
simple as "sudo apt-get install libgtkglextmm-x11-1.2-dev".

Look back over those threads for the full description if you don't
wish to upgrade to 10.04.

On Sun, May 30, 2010 at 11:32 AM, Bruce Sherwood
<Bru...@nc...> wrote:
> I updated the documentation on the Linux download page at vpython.org.
> Indeed, it is the case that the python-visual package on Ubuntu 9.10 is
> broken, and the fix is not easy (one must rebuild the Boost libraries from
> source). By far the easiest course is simply to allow Ubuntu to upgrade
> itself to 10.04 and then use the Synaptic Package Manager to install
> python-visual.
>
> Bruce Sherwood
>
> Bruce Sherwood wrote:
>
> Linux can be a pretty harsh environment for building an application from
> source, and not for true beginners, but normally you can use the
> Synaptic Package Manager, search for python-visual, and install with no
> problem. However, I seem to remember that there was a bug in that
> package on Ubuntu 9.10. Since you say you just switched to 9.10, my
> recommendation would be to upgrade to 10.04, where python-visual works
> and is more up to date (5.12; the current version of Visual is 5.32).
>
> If for some reason 10.04 is not an option, I can say that HACKING.txt is
> not relevant if you start from the file on the Linux download page at
> vpython.org. Instead, read the instructions in INSTALL.txt. They are
> alas complicated, which is why people build packages like python-visual.
>
> Bruce Sherwood
>
> b2t...@uc... wrote:
>
>
> Hi,
>
> I've used python on windows vista for a year now, but I just switched over
> to Ubuntu 9.10.  I've read the instructions in Hackers.txt and I can't
> figure it out.  Is there any thread that has thoroughly addressed this for
> true beginners of Ubuntu?
>
> Line by line terminal commands would be helpful!
>
> Thanks,
> Benjamin Thompson
> UCSD Dept. of Structural Engineering
> 619-792-0925
>
> ------------------------------------------------------------------------------
>
> _______________________________________________
> Visualpython-users mailing list
> Vis...@li...
> https://lists.sourceforge.net/lists/listinfo/visualpython-users
>
>
>
> ------------------------------------------------------------------------------
>
> _______________________________________________
> Visualpython-users mailing list
> Vis...@li...
> https://lists.sourceforge.net/lists/listinfo/visualpython-users
>
>
> ------------------------------------------------------------------------------
>
>
> _______________________________________________
> Visualpython-users mailing list
> Vis...@li...
> https://lists.sourceforge.net/lists/listinfo/visualpython-users
>
>

Re: [Visualpython-users] ubuntu 9.10 installation for dummies...please

[Bruce S. <Bru...@nc...>]

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
  <meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type">
  <title></title>
</head>
<body bgcolor="#ffffff" text="#000000">
I updated the documentation on the Linux download page at vpython.org.
Indeed, it is the case that the python-visual package on Ubuntu 9.10 is
broken, and the fix is not easy (one must rebuild the Boost libraries
from source). By far the easiest course is simply to allow Ubuntu to
upgrade itself to 10.04 and then use the Synaptic Package Manager to
install python-visual.<br>
<br>
Bruce Sherwood<br>
<br>
Bruce Sherwood wrote:
<blockquote
 cite="mid:231...@nc..."
 type="cite">
  <pre wrap="">Linux can be a pretty harsh environment for building an application from 
source, and not for true beginners, but normally you can use the 
Synaptic Package Manager, search for python-visual, and install with no 
problem. However, I seem to remember that there was a bug in that 
package on Ubuntu 9.10. Since you say you just switched to 9.10, my 
recommendation would be to upgrade to 10.04, where python-visual works 
and is more up to date (5.12; the current version of Visual is 5.32).

If for some reason 10.04 is not an option, I can say that HACKING.txt is 
not relevant if you start from the file on the Linux download page at 
vpython.org. Instead, read the instructions in INSTALL.txt. They are 
alas complicated, which is why people build packages like python-visual.

Bruce Sherwood

<a class="moz-txt-link-abbreviated" href="mailto:b2t...@uc...">b2t...@uc...</a> wrote:
  </pre>
  <blockquote type="cite">
    <pre wrap="">Hi,

I've used python on windows vista for a year now, but I just switched over
to Ubuntu 9.10.  I've read the instructions in Hackers.txt and I can't
figure it out.  Is there any thread that has thoroughly addressed this for
true beginners of Ubuntu?

Line by line terminal commands would be helpful!

Thanks,
Benjamin Thompson
UCSD Dept. of Structural Engineering
619-792-0925

------------------------------------------------------------------------------

_______________________________________________
Visualpython-users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Vis...@li...">Vis...@li...</a>
<a class="moz-txt-link-freetext" href="https://lists.sourceforge.net/lists/listinfo/visualpython-users">https://lists.sourceforge.net/lists/listinfo/visualpython-users</a>
  
    </pre>
  </blockquote>
  <pre wrap=""><!---->
------------------------------------------------------------------------------

_______________________________________________
Visualpython-users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Vis...@li...">Vis...@li...</a>
<a class="moz-txt-link-freetext" href="https://lists.sourceforge.net/lists/listinfo/visualpython-users">https://lists.sourceforge.net/lists/listinfo/visualpython-users</a>
  </pre>
</blockquote>
</body>
</html>

Re: [Visualpython-users] ubuntu 9.10 installation for dummies...please

[Bruce S. <Bru...@nc...>]

Linux can be a pretty harsh environment for building an application from 
source, and not for true beginners, but normally you can use the 
Synaptic Package Manager, search for python-visual, and install with no 
problem. However, I seem to remember that there was a bug in that 
package on Ubuntu 9.10. Since you say you just switched to 9.10, my 
recommendation would be to upgrade to 10.04, where python-visual works 
and is more up to date (5.12; the current version of Visual is 5.32).

If for some reason 10.04 is not an option, I can say that HACKING.txt is 
not relevant if you start from the file on the Linux download page at 
vpython.org. Instead, read the instructions in INSTALL.txt. They are 
alas complicated, which is why people build packages like python-visual.

Bruce Sherwood

b2t...@uc... wrote:
> Hi,
>
> I've used python on windows vista for a year now, but I just switched over
> to Ubuntu 9.10.  I've read the instructions in Hackers.txt and I can't
> figure it out.  Is there any thread that has thoroughly addressed this for
> true beginners of Ubuntu?
>
> Line by line terminal commands would be helpful!
>
> Thanks,
> Benjamin Thompson
> UCSD Dept. of Structural Engineering
> 619-792-0925
>
> ------------------------------------------------------------------------------
>
> _______________________________________________
> Visualpython-users mailing list
> Vis...@li...
> https://lists.sourceforge.net/lists/listinfo/visualpython-users
>