<s>
Caddie	B-Application
is	O
a	O
mid-range	O
computer-assisted	B-Application
draughting	I-Application
(	O
CAD	B-Application
)	O
software	O
package	O
for	O
2D	O
and	O
3D	O
design	O
.	O
</s>
<s>
It	O
is	O
used	O
primarily	O
by	O
architects	B-Application
,	O
but	O
has	O
tools	O
for	O
surveyors	O
and	O
mechanical	O
,	O
civil	O
and	O
construction	O
engineers	O
.	O
</s>
<s>
Caddie	B-Application
requires	O
a	O
USB	B-Device
dongle	I-Device
.	O
</s>
<s>
Without	O
the	O
dongle	B-Device
or	O
activation	O
,	O
the	O
program	O
can	O
be	O
used	O
as	O
a	O
viewer	O
and	O
plot	O
station	O
for	O
any	O
DWG	O
drawings	O
,	O
but	O
it	O
ca	O
n't	O
save	O
drawings	O
after	O
the	O
14-day	O
evaluation	O
has	O
expired	O
.	O
</s>
<s>
Caddie	B-Application
works	O
on	O
Windows	B-Device
7	I-Device
,	O
Windows	B-Application
8	O
,	O
Windows	B-Application
10	O
and	O
Windows	B-Application
11	O
.	O
</s>
<s>
Caddie	B-Application
was	O
created	O
by	O
Anthony	O
Spruyt	O
,	O
an	O
architect	B-Application
from	O
Pretoria	O
,	O
South	O
Africa	O
,	O
in	O
1985	O
and	O
was	O
originally	O
called	O
Michael	O
Angelo	O
.	O
</s>
<s>
The	O
first	O
release	O
version	O
was	O
called	O
Caddie	B-Application
and	O
fit	O
on	O
a	O
single	O
360	O
kB	O
floppy	B-Device
disk	I-Device
,	O
and	O
was	O
designed	O
for	O
the	O
IBM	B-Device
Personal	I-Device
Computer	I-Device
XT	I-Device
.	O
</s>
<s>
Caddie	B-Application
was	O
one	O
of	O
the	O
first	O
CAD	B-Application
tools	O
that	O
utilised	O
microcomputers	O
and	O
did	O
not	O
require	O
a	O
mainframe	B-Architecture
computer	I-Architecture
with	O
workstation	B-Device
access	O
.	O
</s>
<s>
Version	O
1	O
of	O
Caddie	B-Application
was	O
released	O
in	O
1986	O
,	O
for	O
MS-DOS	B-Application
.	O
</s>
<s>
The	O
first	O
version	O
for	O
Microsoft	B-Application
Windows	I-Application
(	O
16-bit	B-Device
)	O
was	O
released	O
in	O
September	O
1993	O
.	O
</s>
<s>
The	O
32-bit	B-Application
Windows	I-Application
version	O
was	O
released	O
in	O
May	O
1997	O
.	O
</s>
<s>
In	O
the	O
same	O
year	O
,	O
a	O
lite	O
version	O
of	O
Caddie	B-Application
was	O
available	O
,	O
called	O
Caddie	B-Application
Budget	O
,	O
with	O
the	O
non-lite	O
version	O
being	O
called	O
Caddie	B-Application
Professional	O
.	O
</s>
<s>
Caddie	B-Application
initially	O
used	O
its	O
own	O
proprietary	B-Application
file	O
format	O
.DRW	O
(	O
binary	O
)	O
and	O
an	O
ASCII	O
.CEX	O
(	O
Caddie	B-Application
Exchange	O
format	O
)	O
.	O
</s>
<s>
Caddie	B-Application
could	O
also	O
import	O
and	O
export	O
native	O
AutoCad	B-Algorithm
.DWG	O
and	O
.DXF	O
file	O
formats	O
,	O
but	O
since	O
version	O
10	O
,	O
Caddie	B-Application
rewrote	O
its	O
core	O
kernels	O
and	O
now	O
uses	O
as	O
native	O
file	O
format	O
OpenDWG	O
.	O
</s>
<s>
Version	O
11	O
was	O
released	O
in	O
January	O
2007	O
and	O
was	O
the	O
first	O
version	O
compatible	O
with	O
Windows	B-Application
Vista	O
.	O
</s>
<s>
Caddie	B-Application
12	O
was	O
released	O
in	O
September	O
2008	O
.	O
</s>
<s>
The	O
latest	O
version	O
of	O
Caddie	B-Application
is	O
version	O
27	O
,	O
released	O
in	O
September	O
2021	O
.	O
</s>
<s>
There	O
are	O
four	O
versions	O
of	O
the	O
product	O
,	O
namely	O
Caddie	B-Application
Professional	O
(	O
the	O
full	O
version	O
)	O
,	O
Caddie	B-Application
Budget	O
(	O
the	O
lite	O
version	O
)	O
,	O
Caddie	B-Application
Vio	O
(	O
for	O
photo-realistic	O
rendering	O
,	O
based	O
on	O
Lightworks	O
,	O
)	O
and	O
Caddie	B-Application
Educational	O
,	O
which	O
is	O
licensed	O
to	O
students	O
even	O
though	O
it	O
has	O
all	O
the	O
functionality	O
of	O
Caddie	B-Application
Professional	O
.	O
</s>
<s>
Caddie	B-Application
Professional	O
and	O
Caddie	B-Application
Educational	O
contain	O
the	O
following	O
applications	O
:	O
</s>
<s>
Caddie	B-Application
-	O
the	O
main	O
drawing	O
application	O
with	O
tools	O
for	O
creation	O
and	O
editing	O
of	O
common	O
entities	O
such	O
as	O
lines	O
,	O
arcs	O
,	O
construction	O
lines	O
,	O
splines	O
,	O
ellipses	O
,	O
images	O
,	O
blocks	O
,	O
ole	B-Operating_System
objects	I-Operating_System
etc	O
.	O
</s>
<s>
AEC	O
-	O
the	O
smart	O
tools	O
for	O
creation	O
and	O
editing	O
of	O
2D	O
and	O
3D	O
Architectural	O
,	O
Engineering	O
And	O
Construction	O
intelligent	O
objects	O
such	O
as	O
walls	O
,	O
windows	B-Application
,	O
doors	O
,	O
openings	O
,	O
slabs	O
,	O
roofs	O
,	O
trusses	O
etc	O
.	O
</s>
<s>
DTM	O
-	O
the	O
digital	O
terrain	O
modelling	O
tools	O
for	O
creation	O
of	O
TIN	B-Algorithm
models	O
from	O
points	O
or	O
contours	O
.	O
</s>
<s>
The	O
3D	O
application	O
is	O
where	O
the	O
tools	O
for	O
the	O
optional	O
Vio	O
photo	O
realistic	O
rendering	O
add-on	O
will	O
be	O
found	O
as	O
well	O
as	O
export	O
tools	O
to	O
PovRay	B-Application
.	O
</s>
<s>
It	O
includes	O
functionality	O
for	O
spot	O
heights	O
,	O
polar	O
coordinates	O
,	O
coordinate	O
joins	O
,	O
transition	O
curves	O
,	O
height	B-Algorithm
interpolation	I-Algorithm
,	O
helmert	B-Algorithm
transformations	I-Algorithm
,	O
as	O
well	O
as	O
full	O
GPS	O
integration	O
using	O
multiple	O
different	O
coordinate	O
systems	O
.	O
</s>
<s>
Automatic	O
creation	O
of	O
handrails	O
,	O
catladders	O
,	O
steel	O
stairs	O
,	O
fences	O
and	O
steel	O
trusses	O
including	O
input	O
of	O
data	O
from	O
Prokon	B-Algorithm
.	O
</s>
<s>
Caddie	B-Application
was	O
originally	O
developed	O
in	O
South	O
Africa	O
in	O
1985	O
,	O
and	O
it	O
quickly	O
established	O
a	O
significant	O
presence	O
in	O
its	O
home	O
market	O
.	O
</s>
<s>
The	O
product	O
's	O
position	O
in	O
South	O
Africa	O
began	O
to	O
erode	O
in	O
the	O
1990s	O
following	O
the	O
lifting	O
of	O
economic	O
sanctions	O
against	O
South	O
Africa	O
,	O
as	O
other	O
CAD	B-Application
packages	O
entered	O
that	O
market	O
.	O
</s>
<s>
A	O
Microsoft	B-Application
Windows	I-Application
version	O
of	O
Caddie	B-Application
was	O
not	O
released	O
until	O
1993	O
.	O
</s>
<s>
In	O
1998	O
,	O
Caddie	B-Application
was	O
acquired	O
by	O
the	O
South	O
African	O
software	O
development	O
company	O
Billcad	O
Holdings	O
.	O
</s>
<s>
By	O
this	O
time	O
,	O
Caddie	B-Application
had	O
about	O
11	O
000	O
users	O
.	O
</s>
<s>
By	O
March	O
2002	O
,	O
the	O
British	O
company	O
Advanced	O
Computer	O
Solutions	O
(	O
ACS	O
)	O
bought	O
all	O
the	O
rights	O
from	O
the	O
South	O
African	O
holders	O
and	O
also	O
acquired	O
the	O
Caddie	B-Application
operation	O
within	O
South	O
Africa	O
.	O
</s>
<s>
ACS	O
was	O
previously	O
Caddie	B-Application
's	O
British	O
distributor	O
.	O
</s>
