Figure

First

Musical

Installation

T

rac

king

Tw

o

Hands

b

y

stretc

hing

and

pulling

v

arious

parts

of

graphical

ob

jects 

A

comp

osed

piece

of

m

usic

pla

ys

while

v

arious

ob

jects

app

ear

on

the

screen 

When

the

ob

jects

are

on

the

screen 

they

can

b

e

manipulated

b

y

stretc

hing

and

pulling

on

v

arious

con

trol

p

oin

ts 

By

manipulating

the

ob

jects 

y

ou

can

c

hange

v

arious

parameters

of

the

m

usic 

Eac

h

ob

ject

represen

ts

a

di eren

t

m

usical

la

y

er

in

the

piece 

The

system

w

as

dev

elop

ed

as

a

to

ol

to

allo

w

users

to

con

trol

ho

w

a

piece

of

m

usic

can

b

e

pla

y

ed

bac

k 

It

w

as

initially

dev

elop

ed

for

a

mouse

but

w

as

later

in

tegrated

with

the

laser

range nder 

The

second

phase measuremen

t

protot

yp

e

w

as

connected

with

the

system 

The

laser

in

terface

allo

w

ed

for

m

ultiple

users 

but 

since

this

w

as

a

simple

mouse

p

ort 

the

activ

e

cursor

w

as

simply

the

 rst

p

eak

seen

in

the

scan

of

the

data

 e g  

the

lo

w

est

hand 

 rst

detected

in

the

scan  

additional

hands

generated

a

set

of

t

winkling

p

oin

ts

that

trac

k

ed

as

w

ell

as

added

an

am

bien

t

sound 

The

installation

w

as

setup

at

SIGGRAPH