simpy
simpy
(defprocess root (fuzziness)
(defvariable blobs #’union)
(always
(when (eq (read-sensor ’image) ’black)
(subprocess (measure-blob) :gradient fuzziness)
(setf blobs
(list (get-from-sub (measure-blob) blob)))))
(avoid
(read-sensor ’query)
(let ((q (first (read-sensor ’query))))
(cond
((eq q ’blobs)
(actuate ’response (regional blobs)))
((eq q ’area)
(actuate ’response
(fold #’+ (mapcar #’second
(regional blobs)))))))))
(defprocess measure-blob ()
(defvariable uid #’max :atomic :base 0 :init (random 1))
(defvariable area #’sum :reduction :base 0 :init 1)
(defvariable blob :local)
(always
(setf blob (list uid area))))
Code to find a set of fuzzy blobs and their areas in a binary image. Each contiguous black area of the image runs a connected measure-blob pro- cess that names it and calculates its area. The set of blobs is collected by the root process and made accessible to the user on the response actuator...
JSON ... it's the intersection of all modern programming languages. All languages have some sense of data, and structures of data. They all have simple values like number strings, and booleans. They all have some sense of a sequence of values. ... Every language has some sense of a collection of named values; it might be an object, or a record, or a struct, or a hash, or a property list, or something. All languages have these, these are universal ideas.
... But they all have the same idea about what the data looks like, and JSON has the thing that's common to everything. By being at the intersection, it turns out to be the thing that everybody can agree on, so it's really easy to pass data back and forth.
Prior data interchange formats tended to try to be the union of all the languages, and that turns out to be horrendously complex, and very difficult to deal with. JSON, by being so simple, actually became really easy to use.
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It works like this: I can have a model in my mind of who did what to whom, where, when, and why. If you and I share a knowledge of how to place words and phrases around a verb to tell a little story, and of how phrases and clauses can be nested inside one another, you can correctly guess the novel set of relationships I’m thinking about, just from the clues in the short string of sounds I utter. You thus recreate my model of events in your mind.
// just type here
// and click "submit" when done
void setup(){
size(301,301);
}
void draw() {
background(290, mouseX, 50);
noStroke();
fill(mouseX, 139, mouseY);
rect(45, 45, 45, 45);
fill(20, mouseY, mouseX);
rect(50, 50, 35, 35);
fill(mouseX, 139, mouseY);
rect(100, 100, 100, 100);
fill(mouseX, 20, mouseY);
rect(50, 50, 35, 35);
fill(mouseX, mouseY, 139);
rect(200, 200, 200, 200);
fill(20, mouseY, mouseX);
rect(50, 50, 35, 35);
fill(mouseX, mouseY, mouseY);
rect(100, 100, 100, 100);
fill(20, mouseY, mouseX);
rect(50, 50, 35, 35);
}
