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Lezione introduttiva sulla utilizzazione del linguaggio e ambiente Processing per l'insegnamento dell'elaborazione di media e dell'interaction design.


Questa introduzione è basata sul tutorial di Daniel Shiffman .

Processing è un linguaggio ed un ambiente di sviluppo orientato all' interaction design . Nel corso Elaborazione di Media in Processing , Processing è uno degli strumenti principali utilizzati per introdurre elementi di elaborazionedi suoni e immagini. Processing è una estensione di Java che supporta molte delle strutture Java con una sintassisemplificata.

Processing può essere utilizzato in tre:

    Modi di programmazione

  • Basic

    Sequenza di comandi per il disegno di primitive grafiche --
    applet senza naso size(256,256); background(0);stroke(255); ellipseMode(CORNER);ellipse(72,100,110,130); triangle(88,100,168,100,128,50);stroke(140); strokeWeight(4);line(96,150,112,150); line(150,150,166,150);line(120,200,136,200);
  • Intermediate

    Programmazione procedurale --
    applet con naso void setup() { size(256,256);background(0); }void draw() {stroke(255); strokeWeight(1);ellipseMode(CORNER); ellipse(72,100,110,130);triangle(88,100,168,100,128,50); stroke(140);beginShape(TRIANGLES); vertex(114, 180);vertex(mouseX, mouseY); vertex(140, 180);endShape(); strokeWeight(4);line(96,150,112,150); line(150,150,166,150);line(120,200,136,200); }
  • Complex

    Programmazione Orientata agli Oggetti (Java) --
    applet con naso colorato Puppet pinocchio;void setup() { size(256,256);background(0); color tempcolor = color(255,0,0);pinocchio = new Puppet(tempcolor); }void draw() { background(0);pinocchio.draw(); }class Puppet { color colore;Puppet(color c_) { colore = c_;} void draw () {stroke(255); strokeWeight(1);ellipseMode(CORNER); ellipse(72,100,110,130);stroke(colore); beginShape(TRIANGLES);vertex(114, 180); vertex(mouseX, mouseY);vertex(140, 180); endShape();strokeWeight(4); line(96,150,112,150);line(150,150,166,150); }}

I programmi Processing possono essere convertiti in applet Java. Per fare ciò è sufficiente andare nel menu File e scegliere Export . Il risultato finale sarà dunque la creazione di cinque file, inseriti nel folder applet :

  • Index.html

    sorgente html per visualizzare la applet
  • Filename.jar

    la applet compilata, completa di tutti i dati (immagini, suoni, ecc.)necessari
  • Filename.pde

    il codice sorgente Processing
  • Filename.java

    il codice Java che incorpora il codice sorgente Processing
  • Loading.gif

    un'immagine che viene mostrata mentre si attende il caricamento della applet.
Inoltre, mediante Export Application è possibile generare una applicazione eseguibile per piattaformaLinux, MacOS, o Windows.

Tipi di dati


Una variabile è un puntatore a una locazione di memoria, e può riferirsi a valoriprimitivi ( int , float , ecc.) oppure ad oggetti o array (tabelle di elementi di un tipo primitivo).

Questions & Answers

Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
Stoney Reply
why we need to study biomolecules, molecular biology in nanotechnology?
Adin Reply
yes I'm doing my masters in nanotechnology, we are being studying all these domains as well..
what school?
biomolecules are e building blocks of every organics and inorganic materials.
anyone know any internet site where one can find nanotechnology papers?
Damian Reply
sciencedirect big data base
Introduction about quantum dots in nanotechnology
Praveena Reply
what does nano mean?
Anassong Reply
nano basically means 10^(-9). nanometer is a unit to measure length.
do you think it's worthwhile in the long term to study the effects and possibilities of nanotechnology on viral treatment?
Damian Reply
absolutely yes
how to know photocatalytic properties of tio2 nanoparticles...what to do now
Akash Reply
it is a goid question and i want to know the answer as well
characteristics of micro business
for teaching engĺish at school how nano technology help us
Do somebody tell me a best nano engineering book for beginners?
s. Reply
there is no specific books for beginners but there is book called principle of nanotechnology
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
fullerene is a bucky ball aka Carbon 60 molecule. It was name by the architect Fuller. He design the geodesic dome. it resembles a soccer ball.
what is the actual application of fullerenes nowadays?
That is a great question Damian. best way to answer that question is to Google it. there are hundreds of applications for buck minister fullerenes, from medical to aerospace. you can also find plenty of research papers that will give you great detail on the potential applications of fullerenes.
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
Mostly, they use nano carbon for electronics and for materials to be strengthened.
is Bucky paper clear?
carbon nanotubes has various application in fuel cells membrane, current research on cancer drug,and in electronics MEMS and NEMS etc
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Do you know which machine is used to that process?
how to fabricate graphene ink ?
for screen printed electrodes ?
What is lattice structure?
s. Reply
of graphene you mean?
or in general
in general
Graphene has a hexagonal structure
On having this app for quite a bit time, Haven't realised there's a chat room in it.
what is biological synthesis of nanoparticles
Sanket Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Programmazione di artefatti interattivi. OpenStax CNX. Dec 09, 2010 Download for free at http://cnx.org/content/col10417/1.9
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