<s>
Reflex	B-Algorithm
was	O
a	O
3D	O
building	O
design	O
software	O
application	O
developed	O
in	O
the	O
mid	O
1980s	O
and	O
-	O
along	O
with	O
its	O
predecessor	O
Sonata	B-Algorithm
-	O
is	O
now	O
regarded	O
as	O
a	O
forerunner	O
to	O
today	O
's	O
building	B-Architecture
information	I-Architecture
modelling	I-Architecture
applications	O
.	O
</s>
<s>
The	O
application	O
was	O
developed	O
by	O
two	O
former	O
GMW	O
Computers	O
employees	O
who	O
had	O
been	O
involved	O
with	O
Sonata	B-Algorithm
.	O
</s>
<s>
After	O
Sonata	B-Algorithm
had	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
Jonathan	O
Ingram	O
and	O
colleague	O
Gerard	O
Gartside	O
then	O
went	O
on	O
to	O
develop	O
Reflex	B-Algorithm
,	O
bought	O
for	O
$30	O
million	O
by	O
Parametric	O
Technology	O
Corporation	O
(	O
PTC	O
)	O
in	O
July	O
1996	O
.	O
</s>
<s>
PTC	O
had	O
identified	O
the	O
architecture	O
,	O
engineering	O
and	O
construction	O
market	O
as	O
a	O
target	O
for	O
its	O
parametric	O
modelling	O
solutions	O
,	O
and	O
bought	O
Reflex	B-Algorithm
to	O
expand	O
into	O
the	O
sector	O
.	O
</s>
<s>
However	O
,	O
the	O
fit	O
between	O
Reflex	B-Algorithm
and	O
PTC	O
's	O
existing	O
solutions	O
was	O
poor	O
,	O
and	O
PTC	O
's	O
Pro/Reflex	O
gained	O
little	O
market	O
traction	O
;	O
PTC	O
then	O
sold	O
the	O
product	O
to	O
another	O
US	O
company	O
,	O
The	O
Beck	O
Group	O
,	O
in	O
1997	O
,	O
where	O
it	O
formed	O
the	O
kernel	O
of	O
a	O
parametric	O
estimating	O
package	O
called	O
DESTINI	O
.	O
</s>
<s>
Around	O
the	O
same	O
time	O
,	O
several	O
people	O
from	O
PTC	O
set	O
up	O
a	O
new	O
company	O
,	O
Charles	O
River	O
Software	O
(	O
renamed	O
Revit	B-Application
Technology	O
Corporation	O
in	O
2000	O
,	O
later	O
(	O
2002	O
)	O
bought	O
by	O
Autodesk	O
)	O
.	O
</s>
<s>
Leonid	O
Raiz	O
and	O
Irwin	O
Jungreis	O
obtained	O
from	O
PTC	O
a	O
non-exclusive	O
,	O
source	O
code	O
development	O
license	O
for	O
Reflex	B-Algorithm
as	O
part	O
of	O
their	O
severance	O
package	O
.	O
</s>
<s>
In	O
the	O
words	O
of	O
Jerry	O
Laiserin	O
:	O
"	O
While	O
Autodesk	B-Application
Revit	I-Application
may	O
not	O
contain	O
genomic	O
snippets	O
of	O
Reflex	B-Algorithm
code	O
,	O
Revit	B-Application
clearly	O
is	O
spiritual	O
heir	O
to	O
a	O
lineage	O
of	O
BIM	B-Architecture
'	O
begats	O
 '	O
—	O
RUCAPS	O
begat	O
Sonata	B-Algorithm
,	O
Sonata	B-Algorithm
begat	O
Reflex	B-Algorithm
,	O
and	O
Reflex	B-Algorithm
begat	O
Revit.	O
"	O
</s>
<s>
"	O
After	O
receiving	O
several	O
hours	O
of	O
instruction	O
in	O
the	O
software	O
architecture	O
of	O
Reflex	B-Algorithm
from	O
Reflex	B-Algorithm
developers	O
,	O
we	O
decided	O
not	O
to	O
use	O
it	O
as	O
our	O
starting	O
point	O
because	O
of	O
several	O
important	O
differences	O
at	O
the	O
very	O
foundations	O
of	O
the	O
software	O
.	O
</s>
<s>
...	O
Revit	B-Application
was	O
not	O
based	O
on	O
Reflex	B-Algorithm
.	O
</s>
<s>
No	O
code	O
from	O
Reflex	B-Algorithm
was	O
used	O
....	O
"	O
</s>
<s>
However	O
,	O
Ingram	O
,	O
in	O
his	O
2020	O
book	O
Understanding	O
BIM	B-Architecture
:	O
The	O
Past	O
,	O
Present	O
and	O
Future	O
,	O
shows	O
much	O
of	O
the	O
functionality	O
of	O
Reflex	B-Algorithm
is	O
duplicated	O
in	O
Revit	B-Application
.	O
</s>
<s>
A	O
2022	O
account	O
of	O
the	O
history	O
of	O
BIM	B-Architecture
by	O
Kasper	O
Miller	O
asserts	O
:	O
"	O
Reflex	B-Algorithm
and	O
Revit	B-Application
shared	O
a	O
myriad	O
of	O
features	O
—	O
so	O
much	O
so	O
that	O
it	O
is	O
fairly	O
clear	O
where	O
the	O
Revit	B-Application
team	O
found	O
much	O
of	O
its	O
inspiration	O
"	O
.	O
</s>
