squeakland September 2008

squeakland@lists.squeakfoundation.org

18 participants
18 discussions

"player's" becomes "nil's"; value types
by Markus Schlager 06 Oct '08

06 Oct '08

Hi all, I encountered the following phenomenon, which IMO is quite irritating. It's about "player"-Tiles in scripts with a parameter (screenshots attached). I made an empty script with a player-typed parameter an added a basic method and varaiable-assignment (EllipseTalkTo1.png): Ellipse>>talkto: player Ellipse forward:5 Ellipse's heading :=0 Then I drag player-tiles off the parameter-area to replace the Ellipse-tiles (EllipseTalkTo2.png): Now it looks like Ellipse>>talkto: player Player forward:5 nil's heading :=0 It _should_ look like Ellipse>>talkto: player player forward:5 player's heading :=0 Then I change the parameter-type to sth. different and back (EllipseTalkTo3.png, EllipseTalkTo4.png): "Player" and "nil" become "dot": Ellipse>>talkto: player dot forward:5 dot heading :=0 The _should_ be: Ellipse>>talkto: player dot forward:5 dot's heading :=0 I repeat step two an drag 'player'-tiles to replace the 'dot'-tiles. Now it looks like (EllipseTalkTo5.png) Ellipse>>talkto: player Player forward:5 Player heading :=0 It _should_ look like Ellipse>>talkto: player player forward:5 player's heading :=0 So there are three problems: - Should "player" be capitalized everywhere or nowhere? - Why does "player's" become "nil's" at the beginning? - Why is "'s" missing from the moment at which "dot" appears? And finally I have a request from the point of localization: All value-types of variables or parameters should get marked translatable. At the moment this is true for 'Color' and 'Sound' only. Markus ----------------------------------------------- Markus Schlager m.slg(a)gmx.de

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DrGeo II universal one-clic distribution
by Hilaire Fernandes 04 Oct '08

04 Oct '08

Dear all, I am glad to announce a new DrGeoII release with macro-construction and Smalltalk scripting, plus tons of bugs fixes. Dr. Geo II is an interactive geometry framework integrating with Smalltlak programm The new DrGeoII distribution is based on an universal one-clic distribution for GNU/Linux, Windows and Mac OSX. Please visit DrGeo web page to know more http://wiki.laptop.org/go/DrGeo The one-clic distribution can be directly downloaded from http://download.gna.org/istoa/drgeo/drgeo-oneclick.zip Hilaire -- http://blog.ofset.org/hilaire

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Call for Papers - C5 - Extended Deadline!
by Kim Rose 29 Sep '08

29 Sep '08

CALL FOR PAPERS ** Deadline Extended** - NOW OCTOBER 14, 2008 The Seventh International Conference on Creating, Connecting and Collaborating through Computing (C5 2009) January 19-22, 2009, Kyoto, Japan http://www.cm.is.ritsumei.ac.jp/c5-09/ Sponsored by Kyoto University Global COE (Centers of Excellence) Program: Informatics Education and Research Center for Knowledge-Circulating Society Viewpoints Research Institute European Smalltalk User Group Hewlett-Packard SCOPE Computers, networks, and other forms of technology are now pervasive in our information-based society. However, most users still function as passive consumers of technology. To evolve into a true knowledge society, it is critical that we transform computer-based human activities to engage users in the active process of creating, connecting, and collaborating together. The C5 conference is for researchers, technology developers, educators, and technology users who are concerned about developing and enabling human-oriented creation, connection, and collaboration processes. C5 is an international forum for presenting ongoing work as well as new work currently under development and for discussing future needs and directions in creative computing and multimedia authoring environments. We welcome equally the submission of technical papers and practitioner/experience reports for paper presentations. In addition, we have added workshops to the conference and are now soliciting proposals fro interactive workshops. Hosted in Japan, this conference builds on the successes and high standards held by previous C5 conferences: 2003-2005, 2007 in Kyoto (Japan), 2006 in Berkeley (USA), 2008 in Poitiers (France). TOPICS OF INTEREST Topics of interest include but are not limited to: - Development and applications of collaboration tools and environments - User collaboration using 3D, multimedia, and animation objects - Technologies for creating educational environments - Computer-Supported Collaborative Learning (CSCL) and Technology- Enabled Learning (TEL) - Computer-Supported Cooperative Work (CSCW), distributed work, and virtual teaming - Hybrid technology activities, such as scientific experiments, instrumentations, participatory design (PD) or simulations , robots, and game playing - Development of applications/content for non-traditional learning and support environments, including mentoring, role-playing, peer-to-peer, "teacherless" environments, low-cost and sustainable technologies (e.g. $100 laptop), and gerontechnology applications, among others. - Applications and tools for education from K-12 through higher education, system design by children, digital library and search environment for children Conference sessions will include invited talks, including one from Dr. Alan Kay (Viewpoints Research Institute), 2003 ACM Turing awards, one from Dr. Allison Druin, Human-Computer Interaction Lab, University of Maryland as well as formal paper presentations, hands-on workshops, informal "un-conference" and "lightning" sessions and social and sightseeing events. PAPER SUBMISSION GUIDELINES C5 2008 invites submissions of full papers in the following categories: - Theoretical papers - Case studies, experiments reports - 'Bringing theory into practice or practice into theory' papers focus on building a bridge between practices and theories in the fields of C5. Full papers must report original work that has not been previously published. Papers must present reports of significant work in research, development and applications with regards to one or more of the conference topics of interest. All submissions will be reviewed by a distinguished international program committee. A full paper with 8 page limit formatted in two columns and 10 point font should be submitted by the paper submission deadline. The papers are reviewed by the program comittee and authors will be notified about acceptance. Accepted authors have to submit a camera ready version of the full paper with 8 page limit by the camera-ready copy deadline. Accepted papers should be revised according to the review reports and the wording should be checked by a native English speaker. Papers should follow the formatting instructions provided by 8.5" x 11", Two-Column Format of "IEEE Computer Society Press - Proceedings Author Guidelines" (please refer to INFORMATION FOR AUTHORS in Conference Publishing Service). Submitted papers and camera-ready papers should be sent electronically through our online submission site (will be available soon). The PDF, Postscript and MS-WORD formats are acceptable. PUBLICATION OF THE PROCEEDINGS Preliminary version of the proceedings will be distributed during the conference. The formal version of the proceedings will be published by the IEEE Computer Society and sent to authors after the conference. For each accepted paper, at least one of the authors needs to attend the conference and give the presentation, otherwise the paper will not be included in the formal proceedings. IMPORTANT DATES Full paper submission: October 14, 2008 **Extended** Notification of acceptance: November 21,2008 Full paper camera-ready copies: December 15, 2008 ORGANIZING COMMITTEE Honorary Co-Chairs - Alan Kay, Viewpoints Research Institute, USA - Makoto Nagao, National Diet Library, Japan Advisory Chairs - Kim Rose, Viewpoints Research Institute, USA - Katsumi Tanaka, Kyoto University, Japan Conference Co-Chair - Benay Dara-Abrams, Kinnexxus inc., USA - Hajime Kita, Kyoto University, Japan Program Co-Chairs - Rieko Kadobayashi, National Institute of Information and Communications Technology (NICT), Japan - Rick McGeer, Hewlett-Packard Company, USA - Serge Stinckwich, Institut de Recherche pour le Developpement, Vietnam Local Arrangement Chair - Hajime Kita, Kyoto University, Japan Publicity and Publication Chair - Hideyuki Takada, Ritsumeikan University, Japan Program committee - Alec Dara-Abrams, Kinnexxus inc., USA - Sidney Fels, University of British Columbia, Canada - Takeshi Fujioka, Kyoto Municipal Horikawa Senior High School - Michael Haupt, Hasso Plattner Institute, Germany - Robert Hirschfeld, Hasso-Plattner-Institut Potsdam, Germany - Ton Kalker, HP Labs, USA - Shinichi Konomi, University of Tokyo, Japan - Tsuneo Jozen, Osaka Electro-Communication University, Japan - Julian Lombardi, Duke University, USA - Shinya Nakagawa, HP Labs, Japan - Yoshiki Ohshima, Viewpoints Research Institute, USA - Ian Piumarta, Viewpoints Research Institute, USA - Shin'ichi Ueshima, Kansai University, Japan - Serge Stinckwich, Institut de Recherche pour le Developpement, Vietnam - Kazutoshi Sumiya, University of Hyogo, Japan - Hiroyuki Tarumi, Kagawa University, Japan -- Hideyuki Takada, Ph.D Department of Computer Science College of Information Science and Engineering, Ritsumeikan University _______________________________________________ C5-09-committee mailing list C5-09-committee(a)cm.is.ritsumei.ac.jp http://www.cm.is.ritsumei.ac.jp/mailman/listinfo/c5-09-committee

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Reminder - C5-09 Submission Deadline - Sept 30
by Kim Rose 26 Sep '08

26 Sep '08

Reminder: Submissions Due September 30, 2009 Call for Papers - C5-09 The Seventh International Conference on Creating, Connecting and Collaborating through Computing (C5 2009) January 19-22, 2009 Kyoto, Japan http://www.cm.is.ritsumei.ac.jp/c5-09/ Computers, networks, and other forms of technology are now pervasive in our information-based society. However, most users still function as passive consumers of technology. To evolve into a true knowledge society, it is critical that we transform computer-based human activities to engage users in the active process of creating, connecting, and collaborating together. The C5 conference is for researchers, technology developers, educators, and technology users who are concerned about developing and enabling human-oriented creation, connection, and collaboration processes. C5 is an international forum for presenting ongoing work as well as new work currently under development and for discussing future needs and directions in creative computing and multimedia authoring environments. We welcome equally the submission of technical papers and practitioner/experience reports for paper presentations. In addition, we have added workshops to the conference and are now soliciting proposals fro interactive workshops. Hosted in Japan, this conference builds on the successes and high standards held by previous C5 conferences: 2003-2005, 2007 in Kyoto (Japan), 2006 in Berkeley (USA), 2008 in Poitiers (France). Topics of Interest Topics of interest include but are not limited to: Development and applications of collaboration tools and environments User collaboration using 3D, multimedia, and animation objects Technologies for creating educational environments Computer-Supported Collaborative Learning (CSCL) and Technology- Enabled Learning (TEL) Computer-Supported Cooperative Work (CSCW), distributed work, and virtual teaming Hybrid technology activities, such as scientific experiments, instrumentations, participatory design (PD) or simulations , robots, and game playing Development of applications/content for non-traditional learning and support environments, including mentoring, role-playing, peer-to- peer, "teacherless" environments, low-cost and sustainable technologies (e.g. $100 laptop), and gerontechnology applications, among others. Applications and tools for education from K-12 through higher education, system design by children, digital library and search environment for children Conference sessions will include invited talks, including Dr. Alan Kay (Viewpoints Research Institute), recipient of the 2003 ACM Turing Award, Dr. Allison Druin, Human-Computer Interaction Lab, University of Maryland, as well as formal paper presentations, hands-on workshops, informal "un-conference" and "lightning" sessions and social and sightseeing events. Important Dates: Full paper submission: September 30, 2008 Notification of acceptance: November 14, 2008 Full paper camera-ready copies: December 15, 2008

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Windows and Linux does not produce the same .pr files
by Hilaire Fernandes 24 Sep '08

24 Sep '08

When I load DrGeo pr file (http://download.gna.org/istoa/drgeo/) and save it again under Etoys, I have different result when I use Windows or Linux image. 1. The format seems to be different (check both .pr file at http://download.gna.org/istoa/drgeo/) 2. The one produced from the linux etoys is smaller and broken: the pr. cannot be reloaded, get a syntax error 3. the one produced with the etoys windows is just fine Now when I take the windows image and use it in linux I can get proper .pr file I did not succeed to use the linux image with my stock VM: missing primitive It may look like an image problem with the linux version. I have not tested under the XO with latest build what is happening (if loading/saving/reloading is ok) -- http://blog.ofset.org/hilaire

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version number
by Bill Kerr 22 Sep '08

22 Sep '08

On Sun, Sep 21, 2008 at 9:06 PM, karl ramberg <karlramberg(a)gmail.com> wrote: > On 9/21/08, Bill Kerr <billkerr(a)gmail.com> wrote: > > 6) There doesn't appear to be a version number? > Projects are given a new version number on each save, and you usually > only see the latest in the default etoy tools. Branching a project is > therefor easiest to maintain by being explicit and giving it a new > name Most software I use has an About button which tells you the version number of the whole package. It can be handy to know which version you are using, especially when discussing compatibility issues. I looked in the etoys folder, it's not there either.

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Saving in etoys
by Bill Kerr 22 Sep '08

22 Sep '08

On Mon, Sep 22, 2008 at 1:26 AM, Michael Rueger <m.rueger(a)acm.org> wrote: > Bill Kerr wrote: > >> Some of the new features on etoys are great and / or look really >> interesting. >> >> Here are some comments and questions about the new etoys (running on >> Windows) based on a preliminary look: >> >> 1) Default saving goes to a non existent folder C:\My Pictures\My Squeak >> and so saving fails. Solve this problem by holding down the mouse button on >> the Keep icon and then an option to navigate to a desired folder becomes >> available. This is not explained on the balloon help of the Keep icon, >> although it is explained on the balloon help of the Find icon. >> > > You mean saving a project tries to save in that location? > Which Windows and etoys version are you using? > Did you start it standalone or in the browser? Sorry, I was mistaken about saving in a non existent folder and failing to save. It was confusing though because the folder was 5 layers deep: C:\Documents and Settings\user\My Documents\ My Squeak\ Squeaklets I don't think this is a convenient default saving location and will cause confusion for those using Etoys for the first time. Here is what the beginner will have to do: Saving by just clicking on the Keep icon (not holding down mouse): - Save correctly, this requires clicking on the My Squeak folder - Note the path of the My Squeak folder is not shown, which makes it harder to locate later - Note that it saves in the Squeaklet folder, not the folder that you have to click on but a subfolder of the My Squeak folder. Actually the popup balloon says this, which is confusing language: "Save in the place specified below, and in the Squeaklets folder on your local disc" Saving by clicking on Keep icon and holding down the mouse: - How would a new user know to hold down the mouse? It is not mentioned in the balloon help for the Keep icon - I don't see any difference than the Publish and the Publish As... options. I would have thought that Publish As... would offer folders with paths - Click on Publish to Different Server. For me that option implies publishing on a network but actually it is what you have to do to obtain the folder with path options - Publish This Project window does not offer an option to create your own new folder This is not user friendly saving

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new etoys comments, questions
by Bill Kerr 21 Sep '08

21 Sep '08

Some of the new features on etoys are great and / or look really interesting. Here are some comments and questions about the new etoys (running on Windows) based on a preliminary look: 1) Default saving goes to a non existent folder C:\My Pictures\My Squeak and so saving fails. Solve this problem by holding down the mouse button on the Keep icon and then an option to navigate to a desired folder becomes available. This is not explained on the balloon help of the Keep icon, although it is explained on the balloon help of the Find icon. 2) Help: When you load the paint tools the Help fades out. You can click the arrow to the next page but can't Jump to a different Help sequence for the Paint tools. You have to close the Paint tools then Jump to a different Help page and then reopen the Paint tools 3) Can't find a timer? The clock on a script has a tick rate, the default is 8 ticks per second, but how can I program that to display a timer? 4) Show code textually is a nice feature - would be even better if you could open the code window to reveal all the code at once - good for learning by copying and pasting to other media 5) How do you set the "preserve trash" preference mentioned in the trash can help balloon? 6) There doesn't appear to be a version number? On Fri, Sep 12, 2008 at 4:30 AM, Kim Rose <kim.rose(a)vpri.org> wrote: > Release Notes - Etoys -September 2008 > > These notes accompany the download of Etoys available via > www.squeakland.org as of September 11, 2008. In the past, the system has > often been referred to as "Squeak", but to help distinguish it from other > versions of Squeak, we will refer to the version now available on the > website simply as "Etoys." > > The team at Viewpoints Research Institute (VPRI) has been working on the > "Etoys" activity for the OLPC (One Laptop per Child) "XO" platform. We > started from the previous version of "Squeakland Squeak", then added new > features and made many bug fixes, performance improvements, and visual > tweaks. > > VPRI has decided to release the Etoys activity for the XO as the > "universal" Etoys version for all platforms. Advantages include: > 1) Two years of work have gone into improving Etoys overall; > 2) Etoys will be identical on the XO, Windows, Macintosh and Linux > operating systems; > 3) The new features, enhancements, and fixes will be beneficial to > everyone. > > In this way, all users of the XO and other platforms will be "compatible" > and be able to share their projects and documentation. > > Below is a list of "New Features", "New UI Changes", and "Notes on > Compatibility". > > "New Features" > > -- Functions. > There are now over a dozen mathematical functions available for > use in arithmetic expressions in scripts, in addition to the arithmetic > operators. (Click on the golden treasure box of a script editor, drag > out an "abs" tile, drop it on any numeric-valued tile or phrase in a > script, and then (unless you actually want "abs") choose the actual > function name you desire from the menu that shows up when you click on > it. There is also a choice called "parenthesis", which serves to put a > subexpression within parentheses, in order to influence order of > evaluation. > (There is also a way to "wrap" an existing numeric tile expression in a > function, by holding down the "shift" key as you click on an "extension > arrow" -- this will make the expression governed by the extension arrow > become the argument of a function call.) > > -- Arithmetic Operator Precedence. > The arithmetic operators (+ - * / // \\ and min and max) now have > more conventional precedence; i.e., multiplication and > division are now "stronger" than addition and > subtraction. (See below under "Notes on Compatibility" for more > details.) > > -- "RepeatTimes" tile. > A tile to write a simple loop is provided. > > -- Display Scaling. > We think it useful to offer a "standard", normalized screen size for > users > on non-XO platforms, so that a project made on one computer can have a > consistent appearance across a broad range of computers with varying > display > sizes and screen resolutions. Because the XO has a screen with 1200 x > 900 > pixels, this was chosen as the "standard" size. On a computer with a > different display resolution, 1200 x 900 pixels are scaled to fit in the > display. If the actual display size is vastly different from 1200 x > 900, the > scaling may not look very nice; in such cases, scaling can be > turned off from the menu bar. > > -- The Online Help System ("Quick Guides") > There are now over 60 help guides included in the system. Click on the > question mark button in the menu bar to see them. They can also be > printed as a single PDF file found on the Squeakland and Etoys/olpc > websites. > > -- Polygon Vertices. > In a Polygon, the vertices are accessible from tile scripting. > Visit the polygon category in the viewer of a Polygon. > > -- World Stethoscope. > World Stethoscope, a tool to use the input from external sensor devices > is included. > > -- Event Theatre. > A tool that provides a better way to record and play back a > user's actions. This can be used to create small snippets of tutorials; > voice-over can be added later, and there is also an "Event-Roll" tool > for modest > after-the-fact editing of such recordings. > > -- A New Generation of the Particle System (aka "Kedama"). > Kedama has been entirely rewritten for this release. The new version is > faster > in most cases, and there are semantic changes as well -- see more > details in the > compatibility section below.) > > -- All Players Tool. > The tools labeled "Players" in the Supplies provides a list of all > players > in the current project. > > -- Book Page Reverting. > Book pages can be made revertable. Book pages can be marked as > revertable, and such pages can be reverted to the state when the > book was last saved into a project. > > -- More Sound Compression Options. > In the Sound Recorder, there are choices for Sound Compression. > > "New UI Changes" > > -- Bigger and More Consistent Fonts and Buttons. > In general, the tools have been redesigned for screens with a higher > resolution. Larger fonts are used, and buttons in viewers, scriptors, > and other > tools have now been made more uniform. > > -- Stationary Navigator Menu Bar at the Top. > Instead of having an orange pop-in/pop-out navigator bar at the bottom > of the > screen, the navigator bar is now located at the top of screen, and is > stationary. > Type alt-RETURN at any time to show or hide it. The new Navigator > follows the > design of the OLPC's UI specification, but we took the liberty to make > it narrow, > and change its color. > > -- New Supplies. > Click on the "treasure box" in the navigator menu bar at the top of the > screen to > open or close the new "Supplies" flap. You can resize the flap by > dragging its > bottom gray edge. > > -- Script Editor ("scriptor") Redesign. > Layout, colors, proportions, menus, and fonts have all been changed. > A "Gold Box" has been added -- click on it to get a palette of useful > tiles; click > on any item in the palette to get a copy of it for use in your script. > > -- Better Drop Zone Feedback in Scriptors. > The green drop zone that shows when dragging over a script is > greatly improved. > > -- Right Click for Halo. > On Windows, the default is changed so that right mouse button > brings up the halo. > > -- Opening Screen. > The start-up screen now provides links to tutorials and example > projects. > > "Notes on Compatibility" > > Most projects created in an older "Squeakland" version should load and work > fine in the new system. (However, projects created in the new etoys system > will *not* be > usable in any older Squeakland version.) > > A few old projects may exhibit different behavior when loaded into the new > system. Here are some things to watch out for: > > - Because of the arithmetic operator precedence change, a script > that contains a long chain of arithmetic may produce different > results; e.g., "3 * 4 + 5" used to be interpreted as "3 * (4 + 5)" > and the result was 27, but now it is "(3 * 4) + 5" and the result is > 17. Such a script should be editted (perhaps adding the > "parenthesis" described above) to be properly interpreted. > > - The size and look of scriptors and viewers will change upon > loading. The new shapes may hide other carefully located > objects, and if the project depends on the specific sizes of these > tools, it may not work in the same way. > > - The changes to Kedama are great enough that, although an old project > with Kedama > may load and may even run acceptably, it is guaranteed that editing an > old > project in the new release does not work. For proper migration of any > Kedama > project, the project should be built afresh in the new system; > additionally, > the semantics change may require some changes to the project's scripts. > This > only applies to projects that have the small window where one script > controls > hundreds of tiny turtles and patches. > > All in all, we hope this version will be seen as a great opportunity to > redo existing interesting projects, if needed. Such projects can be shared > among the millions of of Etoys users including XO users. > > We hope that by using Etoys, you, or your children will learn more about > how our world works and have fun in the process! > > > _______________________________________________ > Squeakland mailing list > Squeakland(a)squeakland.org > http://lists.squeakland.org/mailman/listinfo/squeakland >

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Please visit the new Etoys website!
by Kim Rose 17 Sep '08

17 Sep '08

Greetings! Many of you have started, or will shortly be starting, a new academic year at your school or University. We wish you a successful and fun- filled new school year! We have just launched our new Etoys web site to coincide with the new academic year. It is still found at "www.squeakland.org", but its design and content are all new. It features a brand-new version of Etoys for download, which we will announce in a separate message. We hope you'll find the new site simpler to navigate, more straightforward in sharing our message, and loaded with helpful content. New materials include complete video from the "Squeakers" DVD and a series of "screencast" lessons, thanks to Tim Falconer of Waveplace. You'll also find some new tutorials and a showcase of projects. Also on the site are web versions of over 50 "QuickGuides", created by Kathleen Harness of Illinois, which provide concise tutorials for many things about Etoys. Living versions of the QuickGuides can also be found "inboard" in the new Etoys application itself (click on the ? at the left edge of the tool-bar). The "showcase" section on the new site has very few projects on it at this point -- please share your projects to help populate this area! We intend the site to be a living, continuously-evolving resource, a showcase and clearinghouse for "all things about Etoys." Please help it evolve and grow. The site will be largely maintained and supported by volunteers, so we need your contributions as well as your suggestions. We will also be producing a quarterly newsletter that will be posted to the site (and sent to you via email if you choose to subscribe) so please share your experiences with us! Thanks to you all for your interest in this learning community. We look forward to exchanging ideas, projects, and more. regards, Kim Rose & the Etoys team

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Re: [Squeakland] Please visit the new Etoys website!
by karl ramberg 16 Sep '08

16 Sep '08

the site is much nicer. Great job But I can't find the Kedama tutorial. Karl > > On 9/15/08, Timothy Falconer <timothy(a)immuexa.com> wrote: >> >> On Sep 12, 2008, at 10:11 PM, Bill Kerr wrote: >>> the introductory images give a primary school feel but there is a >>> section indicating it is appropriate for older ages: >>> http://www.squeakland.org/showcase/byAge/ >>> (first visual impressions can be very important) >> >> Do you mean the pastel illustrations? We tried very hard to create >> custom illustrations that would appeal to primary school ages while >> not turning off teenagers. It's a difficult balancing act, one that I >> think our illustrator did well with. The illos are kid-like, but >> with a high enough quality to convey professionalism and depth. >> Similar styles are used in corporate marketing and elsewhere ... to >> convey a friendlier, more human, appeal. >> >> Take care, >> Tim >> >> -- >> Timothy Falconer >> http://bigfractaltangle.com >> 610-393-1889 mobile >> >> Immuexa Corporation >> http://immuexa.com >> 610-797-3100 >> >> >> >> >> >

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squeakland September 2008