<s>
Sonata	B-Algorithm
was	O
a	O
3D	O
building	O
design	B-Application
software	I-Application
application	O
developed	O
in	O
the	O
early	O
1980s	O
and	O
now	O
regarded	O
as	O
the	O
forerunner	O
of	O
today	O
's	O
building	B-Architecture
information	I-Architecture
modelling	I-Architecture
applications	O
.	O
</s>
<s>
Sonata	B-Algorithm
was	O
commercially	O
released	O
in	O
1986	O
,	O
having	O
been	O
developed	O
by	O
Jonathan	O
Ingram	O
independently	O
and	O
was	O
sold	O
to	O
T2	O
Solutions	O
(	O
renamed	O
from	O
GMW	O
Computers	O
in	O
1987	O
-	O
which	O
was	O
eventually	O
bought	O
by	O
Alias|Wavefront	O
)	O
,	O
and	O
was	O
sold	O
as	O
a	O
successor	O
to	O
GMW	O
's	O
RUCAPS	B-Algorithm
.	O
</s>
<s>
It	O
ran	O
on	O
workstation	O
computer	O
hardware	O
(	O
by	O
contrast	O
,	O
other	O
2D	O
CAD	B-Application
systems	O
could	O
run	O
on	O
personal	O
computers	O
)	O
.	O
</s>
<s>
Reiach	O
Hall	O
purchased	O
"	O
three	O
Sonata	B-Algorithm
workstations	O
on	O
Silicon	O
Graphics	O
machines	O
,	O
at	O
a	O
total	O
cost	O
of	O
approximately	O
£2000	O
each	O
"	O
[	O
1990	O
prices ]	O
.	O
</s>
<s>
However	O
,	O
as	O
a	O
BIM	B-Architecture
application	O
,	O
in	O
addition	O
to	O
geometric	O
modelling	O
,	O
it	O
could	O
model	O
complete	O
buildings	O
,	O
including	O
complex	O
parametrics	O
,	O
costs	O
and	O
staging	O
of	O
the	O
construction	O
process	O
.	O
</s>
<s>
ArchiCAD	B-Application
founder	O
Gábor	O
Bojár	O
has	O
acknowledged	O
that	O
Sonata	B-Algorithm
"	O
was	O
more	O
advanced	O
in	O
1986	O
than	O
ArchiCAD	B-Application
at	O
that	O
time	O
"	O
,	O
adding	O
that	O
it	O
"	O
surpassed	O
already	O
the	O
matured	O
definition	O
of	O
'	O
BIM	B-Architecture
 '	O
specified	O
only	O
about	O
one	O
and	O
a	O
half	O
decade	O
later	O
"	O
.	O
</s>
<s>
A	O
large	O
number	O
of	O
projects	O
were	O
designed	O
and	O
built	O
using	O
Sonata	B-Algorithm
including	O
Peddle	O
Thorp	O
Architect	O
's	O
Rod	O
Laver	O
Arena	O
in	O
1987	O
,	O
and	O
Gatwick	O
Airport	O
North	O
Terminal	O
Domestic	O
Facility	O
by	O
Taylor	O
Woodrow	O
.	O
</s>
<s>
The	O
US-based	O
architect	O
HKS	O
used	O
the	O
software	O
in	O
1992	O
to	O
design	O
a	O
horse	O
racing	O
facility	O
(	O
Lone	O
Star	O
Park	O
in	O
Grand	O
Prairie	O
,	O
Texas	O
)	O
and	O
subsequently	O
purchased	O
the	O
successor	O
product	O
,	O
Reflex	B-Algorithm
.	O
</s>
<s>
The	O
Sonata	B-Algorithm
business	O
was	O
founded	O
in	O
1984	O
and	O
,	O
by	O
one	O
account	O
it	O
"	O
disappeared	O
in	O
a	O
mysterious	O
,	O
corporate	O
black	O
hole	O
,	O
somewhere	O
in	O
eastern	O
Canada	O
in	O
1992	O
,	O
"	O
after	O
new	O
owner	O
Alias	O
Research	O
discontinued	O
marketing	O
of	O
the	O
product	O
.	O
</s>
<s>
Ingram	O
then	O
went	O
on	O
to	O
develop	O
Reflex	B-Algorithm
,	O
bought	O
out	O
by	O
Parametric	O
Technology	O
Corporation	O
(	O
PTC	O
)	O
in	O
1996	O
.	O
</s>
