<s>
TAChart	B-Application
is	O
a	O
component	O
for	O
the	O
Lazarus	B-Language
IDE	O
that	O
provides	O
charting	O
services	O
.	O
</s>
<s>
Similar	O
to	O
Tchart	B-Application
and	O
Teechart	B-Application
for	O
Delphi	B-Language
it	O
supports	O
a	O
collection	O
of	O
different	O
chart	O
types	O
including	O
bar	B-Application
charts	I-Application
,	O
pie	B-Application
charts	I-Application
,	O
line	B-Application
charts	I-Application
and	O
point	O
series	O
.	O
</s>
<s>
Apart	O
from	O
a	O
screen	O
canvas	O
,	O
output	O
is	O
possible	O
in	O
form	O
of	O
SVG	B-Application
,	O
OpenGL	B-Application
,	O
printer	O
,	O
WMF	O
,	O
and	O
other	O
formats	O
.	O
</s>
<s>
TAChart	B-Application
is	O
bundled	O
with	O
the	O
Lazarus	B-Language
Component	I-Language
Library	I-Language
.	O
</s>
<s>
Although	O
not	O
intended	O
to	O
be	O
a	O
TChart	B-Application
clone	O
,	O
why	O
its	O
usage	O
differs	O
in	O
certain	O
points	O
,	O
its	O
basic	O
functionality	O
is	O
very	O
similar	O
and	O
some	O
source	O
code	O
written	O
for	O
TeeChart	B-Application
may	O
be	O
reused	O
.	O
</s>
<s>
The	O
first	O
version	O
of	O
TAChart	B-Application
was	O
developed	O
by	O
Philippe	O
Martinole	O
for	O
the	O
TeleAuto	O
project	O
,	O
a	O
program	O
for	O
automation	O
of	O
astronomic	O
observations	O
.	O
</s>
<s>
Later	O
functionality	O
was	O
introduced	O
by	O
Luis	O
Rodrigues	O
while	O
porting	O
the	O
Epanet	B-Language
application	O
from	O
Delphi	B-Language
to	O
Lazarus	B-Language
.	O
</s>
<s>
TAChart	B-Application
is	O
able	O
to	O
use	O
input	O
from	O
various	O
sources	O
.	O
</s>
