Hi all :),
I'm having problems with Kedama inside Squeak. I don't know if this is the proper place to put this concerns but the issue was discuss in this thread, so I thought that it was (please if this is not the place point me in the right direction)
I tried using first the SqueakAtenex.image from the Extremadura project, because it's what my students and me used the last semester, but remaking the Epidemic example I found that there is a problem with the Kedama menu translation of Kedama in that image. In the english version you can see four options in the viewer of the Kedama Turtle: "kedama turtle", "scripts", "kedama turtle breed" and "kedama turtle color". In the Atenex image you can see four also in that viewer, but one of them is repeated ("kedama turtle") and "kedama turtle breed" is absent. It seems that "kedama turtle breed" was translated as "tortuga kedama" ("kedama turtle"), so adding a turtle is possible, but not increasing the amount of turtles in a breed (at lest not as is explained in the documentation).
So I tried then the Squeak3.8-6665full.image but Kedama is not available from the object catalog. Trying to update from server says that no updates are available from server and using the Squeak Map I can`t find Kedama either. ¿How can I find/install the Kedama if its not available in the object catalog of an image?
Then I tried Squeak3.9g-7054.image and Squeak3.9b-7051.image installed from squeakland directly (without using any deb repository for Ubuntu) and Kedama is there and I can reproduce the Epidemic simulation example, but anytime I tried to open a *.pr project I get some error messages about "MessageNotUnderstood: SmallInteger>>removeKey:ifAbsent:" and other one about fonts. I can made the pr files run (after getting a lot of that messages with the "Abandon" window), but some of them can't run in with the "go" button for example (I need to locate the proper scripts and make them ticking).
¿There is a image and changes file with Kedama working out of the box, or there is another way to overcome the problems I show you?
I'm obsessed and passionated with Kedama and multiagents systems. My master thesis is on collective problem solving and I think that Kedama/Squeak is the way to go not only in my classroom with the students as I showed in the SqueakFest, but also in my thesis, so if you can help me with quick answers, I will be a lot thankful,
Cheers from Colombia,
Offray
Yoshiki Ohshima escribió:
Offray,
¿Do you think is feasible to implement the same model in Kedama? If yes,
My feeling is, yes, it looks feasible.
¿Where is the best way to start implementing it?
You can drop a Sketch onto a KedamaWorld to "fill" the world with turtles. Then, you create 5 patch variables each of which represents a "trait" in your example. You add properties that is called something like "origX" and "origY", and write scripts to save and restore the turtles' positions into these. To cache the traits value, turtles should have 5 properties to save the values in the patch variables as well (See the example of ForestFire on the web.)
To initialize the patch variables, the ForestFire example should be helpful. It initializes the map of forest with 1 or 0 value. In this example, the initial values are in the range of 0 to 9 (or 1-10), but can be done in a similar manner.
At each step, the turtles first cache the values in patch variables to the own properties. Then, they move around and compare the values in the cache with the values in neighboring patch variables, and modify the cached values. At last, they return to the original position, and write back the cached values into the patch variables.
The modification made to the cached values is the core of the program, and it may require some amount of tile-scripting, but in principle, this should work.
-- Yoshiki
Squeakland mailing list Squeakland@squeakland.org http://squeakland.org/mailman/listinfo/squeakland
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