squeakland April 2003

squeakland@lists.squeakfoundation.org

104 participants
293 discussions

downloading plugins (Mac install)
by m.rueger＠acm.org 18 Apr '03

18 Apr '03

Naala, >When I went to help a professor at the University install the Squeak >plugin on a Mac which only has Netscape. It did not take properly >until we did a "custom install" into Netscape. I remember >encountering this myself when I first tried to install the plugin on >my Mac G3 Powerbook. This sounds like you are using the older plugin version (pre 8/25). The newer installer doesn't even have custom or easy install. Can you please check this and download the new installer if so? >Does the plugin automatically install into Internet Explorer under >the "easy install"? If so, maybe this should be changed (since it >is not obvious). The installer should now install itself into every IE and NS installation it can locate. Michael -- "To improve is to change, to be perfect is to change often." Winston Churchill +------------------------------------------------------------+ | Michael Rueger m.rueger(a)acm.org ++1 (310) 937 7196 | +------------------------------------------------------------+

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downloading plugins
by naala_brewer＠hotmail.com 18 Apr '03

18 Apr '03

Hi everyone, When I went to help a professor at the University install the Squeak plugin on a Mac which only has Netscape. It did not take properly until we did a "custom install" into Netscape. I remember encountering this myself when I first tried to install the plugin on my Mac G3 Powerbook. Does the plugin automatically install into Internet Explorer under the "easy install"? If so, maybe this should be changed (since it is not obvious). With my best, Naala _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp

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Questions on E-Toy Scripting of Alice (3-D)
by guzdial＠cc.gatech.edu 18 Apr '03

18 Apr '03

I have some questions about using E-Toys to script 3-D objects in Alice. It's amazingly cool. There's a lot of power here in getting non-technical peole interested in Squeak and in programming, I believe. I played with it with my 9 year old son, Matthew, last night. It was striking to me that the E-Toy scripting stuff pulled him in, but he quickly wanted to do things that were easier in the Alice/text-scripting window. I built him a game using joystick control of objects (see below), but when he started building his own world, he was often asking me about the textual side of things. "dragon1 move: up" was faster for him than finding the dragon1 viewer, finding the y, and increasing it enough. Questions: - I know (from talking to Andreas) that the plugin currently doesn't support 3-D, so we can't use Alice in the browser. Is there a way to add-in 3-D support if we need it, e.g., put a DLL in the VM directory, add a file-in to the image, etc.? Or are there any plans to eventually add 3-D to the existing plugin? - I was trying to figure out how to make one object respond to another one being close. I wanted to make a sound occur when the WhiteRabbit got close to the banana in my world. I found that I could create a tile phrase WhiteRabbit distanceTo: banana, but this returned a number. I couldn't figure out how to set up a test with this, e.g., when the distance to the banana is less than 0.5 meter. I eventually changed my script into text and typed in the test I wanted, and then it worked. - Alice objects don't understand a lot of the basic operations of Morphic objects, e.g., Alice objects can't make sounds. Is there a technical reason for this, or is it something that might be added later? I used one of my joysticks for sounding the alarm when the WhiteRabbit was near the banana, but that led to fairly strange looking code: "When the WhiteRabbit is within 0.5 meters of the banana, have the joystick make a crashing sound." :-) - The most complex part right now is adding objects to the world. The first problem is being on a Macintosh -- the collection of Alice objects that are available (http://www.cs.cmu.edu/~jpierce/squeak/SqueakObjects.zip) use long filenames that don't work on Macs. When you make an actor from these, you frequently have to help Alice guess the right filenames. The second problem is just the process of "w makeActorFrom: 'blahblahblah.mdl'" I had an idea of how to deal with this that I wanted to bounce off y'all. What do you think about this: if yellow-button click on a .mdl file gave you a menu option to add the model as an actor in an existing Wonderland (if one is open in the current World), or, to open a Wonderland and stuff the actor into it? I gave it a shot, and the attached change set seems to do it. Thanks! Mark

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Web page
by naala_brewer＠hotmail.com 18 Apr '03

18 Apr '03

Hi Judy, Once you downloaded the squeak plug-in from the downloader page, did you double click on the squeak installer icon on your desktop? With Macs, you have to go this extra step. Then the plug-in is installed. With PC's, the installer starts up automatically. I am right about this, Michael? With my best, Naala >From: Judy Roitman <roitman(a)math.ukans.edu> >To: "Naala Brewer" <naala_brewer(a)hotmail.com> >Subject: Re: Web page >Date: Thu, 30 Aug 2001 13:20:57 -0500 > >>Hi Judy, >> >>That's there to make sure that anyone who goes to my webpage first >>has a plug-in. I'll change the wording so that it's explicit that >>it's not necessary to install the plug-in again. Thanks for pointing >>that out. >> >>If you've got the plug-in installed, you're able to click on any of >>the project links, view, examine, deconstruct, and reconstruct any >>of the projects. >> >>With my best, >>Naala > > >Well, no. Because when I clicked on the cycloid project, I was then >asked to add the plug-in and could not get around it. >-- > > >--------------------------------------------------------------------------- > Judy Roitman > Math Dept., University of Kansas > Lawrence, KS 66045 >785-864-4630 >fax: 785-864-5255 >http://www.math.ukans.edu/~roitman/ >---------------------------------------------------------------------------- squ _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp

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World Menu
by arning＠charm.net 18 Apr '03

18 Apr '03

On Tue, 28 Aug 2001 06:53:24 -0700 Michael Rueger <m.rueger(a)acm.org> wrote: >Bob Arning wrote: >> >> On Mon, 27 Aug 2001 15:50:42 -0700 Michael Rueger <m.rueger(a)acm.org> wrote: >> >to access the world menu use CMD-Shift-W. >> >> Umm... except that Preferences honorDesktopCmdKeys is false in the plugin, which disallows this. > >Yes and no ;-) >The preference is set this way, but the world menu key is exempted :-) Ah! The plugin I have has the version of #keystrokeInWorld: from 12 Aug, not the one from 24 Aug. The plugin version is 'Squeakland 3.1.4278', so I guess I'm missing a few updates. How do we update our plugin? Cheers, Bob

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ResourceMap?
by guzdial＠cc.gatech.edu 18 Apr '03

18 Apr '03

I just loaded in all new 3.1 updates, and I noticed that when I published my projects now, a "resource map" is created. Do I need to upload this to the server, too, for plugins to work? What is this thing? Thanks! Mark -------------------------- Mark Guzdial : Georgia Tech : College of Computing : Atlanta, GA 30332-0280 Associate Professor - Learning Sciences & Technologies. Collaborative Software Lab - http://coweb.cc.gatech.edu/csl/ (404) 894-5618 : Fax (404) 894-0673 : guzdial(a)cc.gatech.edu http://www.cc.gatech.edu/gvu/people/Faculty/Mark.Guzdial.html

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Squeakland outage
by m.rueger＠acm.org 18 Apr '03

18 Apr '03

Hi all, FYI Squeakland.org will be down again for a short time this weekend as we are moving the equipment back into the new server room. Michael -- "To improve is to change, to be perfect is to change often." Winston Churchill +------------------------------------------------------------+ | Michael Rueger m.rueger(a)acm.org ++1 (310) 937 7196 | +------------------------------------------------------------+

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Squeak For Teachers
by naala_brewer＠hotmail.com 18 Apr '03

18 Apr '03

Hi everyone, We've added a link to the Wyandotte Project Page specifically geared towards teachers. This link has Squeak book morphs which explain some of the principles, philosophy, and mathematics behind Squeak, as well as act as a tutorial for some of the basic mechanics of Squeak. http://www.csac.chem.ku.edu/SqueakProjects Click on "For Teachers." There are 2 projects to begin with ("Handles For Teachers" and "Recording Controls for Teachers"). With my best, Naala _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp

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3 new student projects added
by naala_brewer＠hotmail.com 18 Apr '03

18 Apr '03

Hi everyone, I've just added 3 new student projects to the Wyandotte Squeak Project Page: http://www.csac.chem.ku.edu/SqueakProjects/5 With my best, Naala _________________________________________________________________ Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp

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Active Essays on Computer Music
by guzdial＠cc.gatech.edu 18 Apr '03

18 Apr '03

Thanks for the advice, Mike. I'll add the Rossing book to my swiki (or feel free to add it yourself -- it's a swiki :-) For me, the issue hasn't been a comprehensive text, but finding one that's accessible. I'm not a musician, an electrical engineer, a physicist, nor a mathematician, and most books assume background in one or more of these areas. I'm looking to understand this stuff from a computer science perspective. The Dodge and Jerse book is the best I've found, but even there, with no actual implementations, I'm not sure if I grokked it right. For example, it's important for an oscillator unit generator to accept negative amplitudes and frequencies, but they don't quite understand what you're supposed to do with them. I'm not sure that I implemented that right. On a less technical level, the active essay format works for computer music, in my opinion. There's so much that just doesn't work for me at the text-only level. For me, some of the critical moments in my understanding worked as active essay kinds of activities, not text-based ones: - When I played with changing the size of the oscillator's wave table, I could really hear the concept of "signal-to-noise ratio." - It was so wonderful to use the Squeak WaveEditor to play with the waveforms I produced, and really see the different shapes and see that the FFTs showed what I thought I was synthesizing. - A really neat moment was when I had built my own FM synthesizer (the technique of sound synthesis that Squeak uses) and then looked at what John Maloney had written and finally started to understand it. Mark >>X-Sender: mjr104(a)mail.uk2.net >>Date: Fri, 03 Aug 2001 00:12:19 +0100 >>To: squeakland(a)squeakland.org >>From: Mike Roberts <mike(a)mjr104.co.uk> >>Subject: Re: Active Essays on Computer Music >>Sender: owner-squeakland(a)squeakland.org >>Reply-To: squeakland(a)squeakland.org >> >> >From: Mark Guzdial <guzdial(a)cc.gatech.edu> >> >I now have six active essays on computer music up at: >> > >> >http://swiki.cc.gatech.edu:8080/compMusic/ActiveEssays >> >>Hi, >> >>I've haven't had time to try out these computer music active essays yet, or >>sadly much squeak for that matter, but I thought I would peer out from the >>shadows of these lists :-) These active essays look quite exciting. >> >>I noticed the 'others to recommend?' comment in your 'books' page on the >>swiki. Dodge&Jerse and Csound (to some extent) were necessary reading for >>my UK degree course and I'd like to offer another book which I found >>invaluable: >> >>The Science of Sound, Thomas D. Rossing. ISBN 0-201-15727-6 (Mine's a 2nd >>Edition) >> >>It's quite comprehensive (~600 pages) but is very nicely structured. As >>the title might indicate, it details many aspects of sound, including: wave >>theory, acoustics, psychoacoustics, musical instruments, the voice and the >>use of electronics. >> >>Looking through your syllabus I thought it would make a nice reference text >>or at least a good diversion if you find yourself in a large library. >> >>regards >> >>Mike >>:-) -------------------------- Mark Guzdial : Georgia Tech : College of Computing : Atlanta, GA 30332-0280 Associate Professor - Learning Sciences & Technologies. Collaborative Software Lab - http://coweb.cc.gatech.edu/csl/ (404) 894-5618 : Fax (404) 894-0673 : guzdial(a)cc.gatech.edu http://www.cc.gatech.edu/gvu/people/Faculty/Mark.Guzdial.html

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squeakland April 2003