Re: Growth algorithm making more possible

On 12/2/06, Sven Heinz <[email protected]> wrote:
> Well regarding the tetraeder mitosis, this is actually worst case second choice for tetraeders, so of course i have nothing against it ;P.

oh i see.. so i've only covered your worst case!  :)

> But my method is really not that hard if you forget the theoretical part,
> you just make a second fluidom run (a testworld) and copy the current lengthes,(length information+clock information),when you copy you tag each point and intervall, so you know which one in the original it represents.

do you mean "clone the fabric", or more than that?  cloning also
clones the tags.

> Your world has no gravity, no ground and your rigidty is set appropriate high so that stress does not distribute itself to much.

so it settles.  from before, i assume you mean to have the desired
lengths set to the current lengths so that all stresses are gone and
the fabric turns gray.

> You choose one length so you mark it in the original as been choose.
> Now when you change the length of somwething there will always be some stress due to reaction time,with extensive I just meant ignore those small disturbance,let sufficient time pass so the system can settle and look if

change one length, and let the body settle again.

> there still stress exist within the intervall.
> (beware there can still be little stress left due to vibrations, so set the damping high and use a test value a little bit over Zero)

the changed interval will be under some stress, and there will be some
stresses elsewhere to compensate.

> Practical you should make two testruns (1expand and 2shrink)and only change small distances, as there can be limitations on how far the object can move without creating permanent stress, thats also the reason the rigidty is set high, so small distances are enough to do the test.

okay, a lengthening run and a shortening run.  but what happens once
these tests have been done?

> So what new do you need? a system to tag the points and lines so you can use the information for the original,somehting reading the stress value of the choosen intervall and comparing it to a slightly above zero value and

all joints and intervals have tags right now and cloning a fabric
makes a perfect copy with all these tags intact.

> you need something using the testalgorithms of the proximityknoter for point distances, to test  which point changed distance to each other(or to the endpoints if you want to save calculation power and data space)

the way you describe it, i don't need anything more than to observe
the new stresses, right?

> Thast all, you make the copy you run it you see if or not there is stress, and if there is no stress which points move away from each other,then you know: I need one line when there was stress two if there was no.

you're saying
stress -> one interval
no stress -> two intervals
i don't quite know what you mean.

> I always connect one line with the midpoint and another point(does not matter which as long there exits no intervall both points share)

are you talking about bisecting an interval and introducing a new joint halfway?

> Then I check from my previous made list, to which of the two factions that are stable to each other that point belongs, and if I need  a second intervall I either choose a point from this list that does not share an intervall with the midpoint and is stable to my first point (different coordinates)(when such apoint dos not exist just change to the second possibility)  or i can choose to connect a point that belongs to one stable faction to another point he does not already share an intervall with.

i'm really sorry, but i can't understand this.

-- 
Gerald de Jong
[email protected]
http://www.darwinathome.org

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