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From: Patrick K. O'B. <po...@or...> - 2001-05-29 20:10:53
|
Oops. That should have said "the IDLE 0.8 that came with 2.1." --- Patrick K. O'Brien Orbtech "I am, therefore I think." -----Original Message----- From: vis...@li... [mailto:vis...@li...]On Behalf Of Patrick K. O'Brien Sent: Tuesday, May 29, 2001 2:05 PM To: VisualPython Users Subject: RE: [Visualpython-users] VPython and Python 2.1 Is it possible to have both versions of IDLE coexist as well? Installing VPython seems to have replaced the IDLE 0.6 that came with 2.1. Or did I do something wrong? --- Patrick K. O'Brien Orbtech "I am, therefore I think." |
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From: Patrick K. O'B. <po...@or...> - 2001-05-29 19:04:58
|
Is it possible to have both versions of IDLE coexist as well? Installing VPython seems to have replaced the IDLE 0.6 that came with 2.1. Or did I do something wrong? --- Patrick K. O'Brien Orbtech "I am, therefore I think." -----Original Message----- From: vis...@li... [mailto:vis...@li...]On Behalf Of Bruce Sherwood Sent: Tuesday, May 29, 2001 1:54 PM To: vis...@li... Subject: [Visualpython-users] VPython and Python 2.1 I'm delaying changing the VPython web site to feature Python 2.1 for Windows because although most things work with a recompiled cvisual.dll, not everything works. There is some subtle interaction between Visual and Numeric so that at least one of the standard VPython demo programs fails. David Andersen is trying to track this down. Bruce Sherwood _______________________________________________ Visualpython-users mailing list Vis...@li... http://lists.sourceforge.net/lists/listinfo/visualpython-users |
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From: Bruce S. <ba...@an...> - 2001-05-29 18:54:45
|
I'm delaying changing the VPython web site to feature Python 2.1 for Windows because although most things work with a recompiled cvisual.dll, not everything works. There is some subtle interaction between Visual and Numeric so that at least one of the standard VPython demo programs fails. David Andersen is trying to track this down. Bruce Sherwood |
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From: Patrick K. O'B. <po...@or...> - 2001-05-29 18:34:28
|
Yeah, this is on my Win98SE partition. Haven't loaded it on my Progeny Debian partition yet. Found out that I needed a version of cvisual.dll compiled for 2.1 and that solved my problem. --- Patrick K. O'Brien Orbtech "I am, therefore I think." -----Original Message----- From: vis...@li... [mailto:vis...@li...]On Behalf Of Andrew Morrison Sent: Tuesday, May 29, 2001 1:12 PM To: Patrick K. O'Brien Cc: VisualPython Users Subject: RE: [Visualpython-users] Status of VisualPython and Python 2.1??? Is this Windows? I got VPython to work on linux by just copying everything from the "site-packages" directory from Python1.5 to the same directory for Python2.1. HTH... On Tue, 29 May 2001, Patrick K. O'Brien wrote: > Thank you for trying to help. It appears to me that the Numeric package > *was* installed as part of VPython. The folder and files are there, > including multiarray.pyd. So something else seems to be wrong. Next guess? > > --- > Patrick K. O'Brien > Orbtech > "I am, therefore I think." > _______________________________________________ Visualpython-users mailing list Vis...@li... http://lists.sourceforge.net/lists/listinfo/visualpython-users |
|
From: Les S. <sch...@op...> - 2001-05-29 18:32:40
|
> Then I got the 2.1 compiled vpython DLL (cvisual.dll, to be exact) > from Les Schaffer's website (http://basic.netmeg.net/godzilla/ -- > thanks, Les). so far, the pleasure's been all mine... if anyone has any recommendations on a better packaging format for the next release, i am game to do something spiffier than just zipping up cvisual.dll. > After that, most of the demos are running properly now. VPython is > way cool. aint that the truth! les schaffer |
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From: Patrick K. O'B. <po...@or...> - 2001-05-29 18:28:30
|
Karim (with a thanks to Les Schaffer as well), Thank you for pointing me in the right direction. I have everything working now. I downloaded and installed version 20 of numeric (vpython installed version 17. something). Then I got the 2.1 compiled vpython DLL (cvisual.dll, to be exact) from Les Schaffer's website (http://basic.netmeg.net/godzilla/ -- thanks, Les). After that, most of the demos are running properly now. VPython is way cool. --- Patrick K. O'Brien Orbtech "I am, therefore I think." -----Original Message----- From: vis...@li... [mailto:vis...@li...]On Behalf Of Karim Yaici Sent: Tuesday, May 29, 2001 3:41 AM To: po...@or...; VisualPython Users Subject: Re: [Visualpython-users] Status of VisualPython and Python 2.1??? Brian, I am not sure but I doubt that the Numeric package comes with VPython...wait a confirmation from the authors of VPython (or someone with more experience with it)...otherwise you can still try to get the Python Numerical package from http://sourceforge.net/project/showfiles.php?group_id=1369&release_id=31875 Hope this helps, Cheers Karim |
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From: Andrew M. <mo...@tb...> - 2001-05-29 18:14:47
|
Is this Windows? I got VPython to work on linux by just copying everything from the "site-packages" directory from Python1.5 to the same directory for Python2.1. HTH... On Tue, 29 May 2001, Patrick K. O'Brien wrote: > Thank you for trying to help. It appears to me that the Numeric package > *was* installed as part of VPython. The folder and files are there, > including multiarray.pyd. So something else seems to be wrong. Next guess? > > --- > Patrick K. O'Brien > Orbtech > "I am, therefore I think." > |
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From: Patrick K. O'B. <po...@or...> - 2001-05-29 17:37:24
|
Thank you for trying to help. It appears to me that the Numeric package *was* installed as part of VPython. The folder and files are there, including multiarray.pyd. So something else seems to be wrong. Next guess? --- Patrick K. O'Brien Orbtech "I am, therefore I think." -----Original Message----- From: vis...@li... [mailto:vis...@li...]On Behalf Of Karim Yaici Sent: Tuesday, May 29, 2001 3:41 AM To: po...@or...; VisualPython Users Subject: Re: [Visualpython-users] Status of VisualPython and Python 2.1??? Brian, I am not sure but I doubt that the Numeric package comes with VPython...wait a confirmation from the authors of VPython (or someone with more experience with it)...otherwise you can still try to get the Python Numerical package from http://sourceforge.net/project/showfiles.php?group_id=1369&release_id=31875 Hope this helps, Cheers Karim |
|
From: Karim Y. <ka...@ni...> - 2001-05-29 08:43:22
|
Brian, I am not sure but I doubt that the Numeric package comes with VPython...wait a confirmation from the authors of VPython (or someone with more experience with it)...otherwise you can still try to get the Python Numerical package from http://sourceforge.net/project/showfiles.php?group_id=1369&release_id=31875 Hope this helps, Cheers Karim ----- Original Message ----- From: "Patrick K. O'Brien" <po...@or...> To: "VisualPython Users" <vis...@li...> Sent: Tuesday, May 29, 2001 6:02 AM Subject: RE: [Visualpython-users] Status of VisualPython and Python 2.1??? > Not being the patient type, I went ahead and installed vpython. Tried to run > some of the demos and I got an error on the 'from visual import *' line. > Went in to Boa and ran that line in the shell and got the following details. > Anyone got a solution? > > >>> from visual import * > Visual-2001-04-20 > sys.exc_value DLL load failed: One of the library files needed to run this > application cannot be found. > File "C:\Python21\Boa-0.0.5\ExternalLib\PythonInterpreter.py", line 66, in > push > exec code in self.locals > File "<console>", line 1, in ? > File "c:\python21\visual\__init__.py", line 12, in ? > from Numeric import * > File "c:\python21\numeric\Numeric.py", line 80, in ? > import multiarray > exceptions.ImportError: DLL load failed: One of the library files needed to > run this application cannot be found. > >>> > > --- > Patrick K. O'Brien > Orbtech > "I am, therefore I think." > > -----Original Message----- > From: vis...@li... > [mailto:vis...@li...]On Behalf Of Patrick > K. O'Brien > Sent: Monday, May 28, 2001 11:25 PM > To: VisualPython Users > Subject: [Visualpython-users] Status of VisualPython and Python 2.1??? > > I'm using python 2.1 exclusively and would like to install VPython. Could > someone please confirm that this combination will work properly (because I > only want to hear good news <wink>). > > --- > Patrick K. O'Brien > Orbtech > "I am, therefore I think." > > > > _______________________________________________ > Visualpython-users mailing list > Vis...@li... > http://lists.sourceforge.net/lists/listinfo/visualpython-users > > > _______________________________________________ > Visualpython-users mailing list > Vis...@li... > http://lists.sourceforge.net/lists/listinfo/visualpython-users > |
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From: Patrick K. O'B. <po...@or...> - 2001-05-29 05:07:07
|
I installed vpython into my python 2.1 directory and it appears that the visual IDLE has actually replaced the IDLE that came with 2.1, at least as far as I can tell. But it's late and I might be overlooking something. Is it really the case that vpython does this? I understand the need for the fork, but isn't there a way to have both versions installed? Wiping out the existing IDLE seems a bit ... harsh? --- Patrick K. O'Brien Orbtech "I am, therefore I think." |
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From: Patrick K. O'B. <po...@or...> - 2001-05-29 05:02:22
|
Not being the patient type, I went ahead and installed vpython. Tried to run
some of the demos and I got an error on the 'from visual import *' line.
Went in to Boa and ran that line in the shell and got the following details.
Anyone got a solution?
>>> from visual import *
Visual-2001-04-20
sys.exc_value DLL load failed: One of the library files needed to run this
application cannot be found.
File "C:\Python21\Boa-0.0.5\ExternalLib\PythonInterpreter.py", line 66, in
push
exec code in self.locals
File "<console>", line 1, in ?
File "c:\python21\visual\__init__.py", line 12, in ?
from Numeric import *
File "c:\python21\numeric\Numeric.py", line 80, in ?
import multiarray
exceptions.ImportError: DLL load failed: One of the library files needed to
run this application cannot be found.
>>>
---
Patrick K. O'Brien
Orbtech
"I am, therefore I think."
-----Original Message-----
From: vis...@li...
[mailto:vis...@li...]On Behalf Of Patrick
K. O'Brien
Sent: Monday, May 28, 2001 11:25 PM
To: VisualPython Users
Subject: [Visualpython-users] Status of VisualPython and Python 2.1???
I'm using python 2.1 exclusively and would like to install VPython. Could
someone please confirm that this combination will work properly (because I
only want to hear good news <wink>).
---
Patrick K. O'Brien
Orbtech
"I am, therefore I think."
_______________________________________________
Visualpython-users mailing list
Vis...@li...
http://lists.sourceforge.net/lists/listinfo/visualpython-users
|
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From: Patrick K. O'B. <po...@or...> - 2001-05-29 04:28:07
|
I'm using python 2.1 exclusively and would like to install VPython. Could someone please confirm that this combination will work properly (because I only want to hear good news <wink>). --- Patrick K. O'Brien Orbtech "I am, therefore I think." |
|
From: Markus G. <gr...@iu...> - 2001-05-23 12:01:13
|
Hi! When changing for example scene.forward it takes some time until display.mouse.camera.pos is updated to the corresponding value. I have two questions: 1) How are the values updated? Is it done by the visualization thread? 2) Is there a way to make sure that the update took place, or is it possible to force an update *now*? Currently I wait some time (e.g. time.sleep(1)) before I go on, but this technique is not very optimal, because it really slows things down if you have to wait everytime. For more complex scenes I even have to take larger values for the time to wait. Markus |
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From: Andrew M. <mo...@tb...> - 2001-05-22 21:37:34
|
Forgive my ignorance, please (I am only beginning to understand Python) but
I am having trouble installing your package.
On my linux system I unzipped everything into
/usr/local/lib/python2.0/site-packages and a KineticsKit/ directory was
created where everything was put. When I try out your examples I get
some errors that look like this:
[morris@domra examples]$ python2.0 exa04_the_cube.py
Traceback (innermost last):
File "exa04_the_cube.py", line 1, in ?
from KineticsKit import *
File "/usr/lib/python1.5/site-packages/KineticsKit/__init__.py", line
12, in ?
from system import System
File "/usr/lib/python1.5/site-packages/KineticsKit/system.py", line 20
self.display = visual.display(title=name, **keywords)
^
SyntaxError: invalid syntax
I don't know much about python2.0, since I have been learning using 1.5,
so maybe that is most of my problem. Although, I do know that VPython is
working with 2.0...
Thanks for the help!
Andrew Morrison
On Tue, 22 May 2001, Markus Gritsch wrote:
> Hi!
>
> I'd like to mention that I have made some updates to my small package for
> VPython. You can take a look at it here:
> http://stud4.tuwien.ac.at/~e9326522/KineticsKit/html/
>
> The package has 3 new examples, improved graphics on the website produced
> with the export to POV-Ray feature available from the System-class, a
> class-reference which was generated with the pydoc tool and some other
> improvements.
>
> Enjoy, Markus
>
>
>
> _______________________________________________
> Visualpython-users mailing list
> Vis...@li...
> http://lists.sourceforge.net/lists/listinfo/visualpython-users
>
|
|
From: Markus G. <gr...@iu...> - 2001-05-22 20:15:17
|
Hi! I'd like to mention that I have made some updates to my small package for VPython. You can take a look at it here: http://stud4.tuwien.ac.at/~e9326522/KineticsKit/html/ The package has 3 new examples, improved graphics on the website produced with the export to POV-Ray feature available from the System-class, a class-reference which was generated with the pydoc tool and some other improvements. Enjoy, Markus |
|
From: Bruce S. <ba...@an...> - 2001-05-10 14:21:12
|
--On Thursday, May 10, 2001 14:13 +0100 Karim Yaici <ka...@ni...> wrote: > Just out of curiosity, is VPython based on OpenGl? is it extensible to use > SDL (Simple DirectMedia Layer: http://www.libsdl.org/) or its python > extensions PyGame (http://pygame.seul.org/)? Yes, the Visual module uses OpenGL. My unexpert guess is that Visual isn't "extensible" to SDL, whatever that would mean. Visual implements a parallel thread that periodically reads the current values of the attributes of the graphics objects that have been created, and it paints a 3D scene using these current values. This makes 3D graphics be a side effect of computations. Architecturally, this is pretty different from other kinds of graphics environments. Bruce Sherwood |
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From: Karim Y. <ka...@ni...> - 2001-05-10 13:14:15
|
Hello everyone, I am really glad that I joint this mailing group....I was thinking for some time to use Python as the main language from my final project(for next year), but I wanted to do something more 'visual'...and I think that VPython is absolutely the tool to use. Just out of curiosity, is VPython based on OpenGl? is it extensible to use SDL (Simple DirectMedia Layer: http://www.libsdl.org/) or its python extensions PyGame (http://pygame.seul.org/)? Eh! if you've got any suggestions, drop me a word;-) Thanks. Cheers, Karim |
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From: Bruce S. <ba...@an...> - 2001-04-30 20:32:54
|
I tried that. With Internet Explorer on Windows 2000 even a right click does an automatic unzip of the .gz file, without stripping the .gz! Bruce Sherwood --On Monday, April 30, 2001 13:01 -0500 Andrew Morrison <mo...@tb...> wrote: > Or, as an alternative, you can right-click the link and use the "Save > As.." option. As already pointed out, browser have a habit of horking > certain files. I have made it a practice to always right-click links > whenever getting a file that I do not want displayed in the > browser...(.gz, .rpm, .mp3, etc...) |
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From: Andrew M. <mo...@tb...> - 2001-04-30 18:01:55
|
Or, as an alternative, you can right-click the link and use the "Save As.." option. As already pointed out, browser have a habit of horking certain files. I have made it a practice to always right-click links whenever getting a file that I do not want displayed in the browser...(.gz, .rpm, .mp3, etc...) Andrew On Mon, 30 Apr 2001, Bruce Sherwood wrote: > Thanks, Ari, for explaining about .gz files. Bizarre. I've edited the text > on the web site to explain what happens, and that one must remove the .gz > extension by hand. > > Bruce Sherwood > > > _______________________________________________ > Visualpython-users mailing list > Vis...@li... > http://lists.sourceforge.net/lists/listinfo/visualpython-users > |
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From: Bruce S. <ba...@an...> - 2001-04-30 17:52:26
|
Thanks, Ari, for explaining about .gz files. Bizarre. I've edited the text on the web site to explain what happens, and that one must remove the .gz extension by hand. Bruce Sherwood |
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From: Ari H. <ahe...@an...> - 2001-04-30 16:14:04
|
On Mon, Apr 30, 2001 at 11:59:35AM -0400, Bruce Sherwood wrote: > This is very strange. The download on Windows (using Internet Explorer) > automatically unzips the file, but doesn't remove the gz extension. So you > end up with a working file, but the wrong extension. > > I was unaware that IE would/could automatically unzip a .gz file during > download? It doesn't do this with .zip files. > It's a general bug of stupid web browsers. Netscape does it too. A long time ago someone said "why don't we gzip all html content? that will make download a lot faster". This was an excellent idea and browsers implemented support for it -- and they recognize the content by its gzip header (in the data) rather than its extension, since for some reason they expected the HTML files to still have a .html extension (even though they were zipped). No one actually ever zipped any html files. And now all web browsers mangle .gz files on download, uncompressing them without changing their extension to indicate their uncompressed type. ari |
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From: Bruce S. <ba...@an...> - 2001-04-30 15:59:45
|
This is very strange. The download on Windows (using Internet Explorer) automatically unzips the file, but doesn't remove the gz extension. So you end up with a working file, but the wrong extension. I was unaware that IE would/could automatically unzip a .gz file during download? It doesn't do this with .zip files. Bruce Sherwood --On Monday, April 30, 2001 10:26 -0400 David Andersen <dm...@an...> wrote: > When I download cvisualmodule.so.gz from the VPython Web site, gunzip > complains that this is not a zip file ? |
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From: David A. <dm...@an...> - 2001-04-30 14:24:02
|
When I download cvisualmodule.so.gz from the VPython Web site, gunzip complains that this is not a zip file ? |
|
From: Machil H. <ma...@ho...> - 2001-04-28 06:32:02
|
confirm 745228 _________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com. |
|
From: Ari H. <ahe...@an...> - 2001-04-23 17:54:42
|
On Mon, Apr 23, 2001 at 12:59:15PM +0200, Markus Gritsch wrote: > Delphi trys to optimize the code at compile time. It recognizes, that > there is really nothing to do, so the whole loop construct is optimized > away. > > C++ would probably be as fast as Delphi if you compile with -O3 or > something like this. Both quite true. But there does remain an issue of speed when there *is* actual computation in the loop. > > Python does no optimizations, so Python is really performing the loops, > even if there is nothing to do. So in a real world example there would of > course be something to do in the inner loop, so Delphi and C++ won't return > emmediate. The other point is that Python is interpreted (even if the > script is translated to bytecode before), and scripting languages tend to > be 20 to 30 times slower than compiled ones. But if you want short > turn-around times, and want to have fun during programming, ... > Python is a *very* slow language. The way to do this efficiently is with the Numeric package, which allows you to treat multidimensional arrays as primitive datatypes. In general, operations using Numeric can be within a factor of 2 or 3 of C (that is darn fast, especially considering that Python is one of the slowest languages around). There is an excellent Numeric tutorial at http://starship.python.net/~da/numtut/array.html ari |
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