<s>
In	O
cartography	O
and	O
geographic	B-Application
information	I-Application
systems	I-Application
,	O
rubbersheeting	B-Application
is	O
a	O
form	O
of	O
coordinate	O
transformation	O
that	O
warps	O
a	O
vector	O
dataset	O
to	O
match	O
a	O
known	O
geographic	O
space	O
.	O
</s>
<s>
The	O
mathematics	O
and	O
procedure	O
are	O
very	O
similar	O
to	O
the	O
georeferencing	B-General_Concept
of	O
raster	B-Algorithm
images	I-Algorithm
,	O
and	O
this	O
term	O
is	O
occasionally	O
used	O
for	O
that	O
process	O
as	O
well	O
,	O
but	O
image	O
georegistration	B-General_Concept
is	O
an	O
unambiguous	O
term	O
for	O
the	O
raster	O
process	O
.	O
</s>
<s>
Rubbersheeting	B-Application
is	O
a	O
useful	O
technique	O
in	O
HGIS	B-Application
,	O
where	O
it	O
is	O
used	O
to	O
digitize	O
and	O
add	O
old	O
maps	O
as	O
feature	O
layers	O
in	O
a	O
modern	O
GIS	B-Application
.	O
</s>
<s>
Rubbersheeting	B-Application
may	O
improve	O
the	O
value	O
of	O
such	O
sources	O
and	O
make	O
them	O
easier	O
to	O
compare	O
to	O
modern	O
maps	O
.	O
</s>
<s>
ESRI	O
's	O
ArcGIS	B-Application
8.3	O
+	O
has	O
the	O
capability	O
of	O
rubbersheeting	B-Application
vector	O
data	O
,	O
and	O
ArcMap	O
9.2	O
+	O
may	O
also	O
rubber-sheet	O
raster	B-Algorithm
layers	I-Algorithm
.	O
</s>
<s>
Autodesk	O
's	O
AutoCAD	B-Algorithm
Map	I-Algorithm
3D	I-Algorithm
and	O
AutoCAD	B-Algorithm
Civil	I-Algorithm
3D	I-Algorithm
(	O
which	O
includes	O
most	O
of	O
AutoCAD	B-Algorithm
Map	I-Algorithm
3D	I-Algorithm
's	O
functionality	O
)	O
allows	O
a	O
user	O
to	O
rubbersheet	O
vector	O
data	O
,	O
and	O
Autodesk	O
's	O
Raster	O
Design	O
(	O
an	O
add-in	O
product	O
for	O
AutoCAD-based	O
products	O
)	O
allows	O
a	O
user	O
to	O
rubbersheet	O
raster	B-Algorithm
data	I-Algorithm
.	O
</s>
<s>
Blue	O
Marble	O
Geographics	O
 '	O
Global	B-Application
Mapper	I-Application
allows	O
a	O
user	O
to	O
rubbersheet	O
raster	B-Algorithm
data	I-Algorithm
.	O
</s>
<s>
Cadcorp	O
Spatial	O
Information	O
System	O
software	O
(	O
)	O
is	O
offering	O
a	O
tool	O
for	O
rubbersheeting	B-Application
data	O
layers	O
.	O
</s>
<s>
QGIS	B-Application
Georeferencer	O
plug-in	O
provides	O
a	O
number	O
of	O
transformation	O
types	O
including	O
Thin	O
Plate	O
Spline	O
,	O
which	O
enables	O
full	O
rubber-sheeting	B-Application
.	O
</s>
<s>
QGIS	B-Application
is	O
a	O
free	O
open-source	O
GIS	B-Application
package	O
.	O
</s>
