Unknown
|
= -1
|
Unknown
parameter.
|
Angle
|
= 0
|
Grid
rotation
angle
(defaults
to
0).
Remarks:
The
following
georeferencing
attributes
are
mapped
to
this
parameter:
- EPSG-8814:
Angle
from
Rectified
to
Skew
Grid:
gamma_c
The
angle
at
the
natural
origin
of
an
oblique
projection
through
which
the
natural
coordinate
reference
system
is
rotated
to
make
the
projection
north
axis
parallel
with
true
north.
- GeoTIFF-3096:
ProjRectifiedGridAngleGeoKey
- OpenGIS
WKT:
rectified_grid_angle
|
Azimuth
|
= 1
|
Azimuth
rotation
angle
(defaults
to
0).
Remarks:
The
following
georeferencing
attributes
are
mapped
to
this
parameter:
- EPSG-1036:
Co-latitude
of
cone
axis:
alpha_c
Rotation
in
plane
of
meridian
of
origin
of
the
conformal
coordinates.
- EPSG-8813:
Azimuth
of
initial
line:
alpha_c
The
azimuthal
direction
(north
zero,
east
of
north
being
positive)
of
the
great
circle
which
is
the
centre
line
of
an
oblique
projection.
The
azimuth
is
given
at
the
projection
center.
- GeoTIFF-3094:
ProjAzimuthAngleGeoKey
- OpenGIS
WKT:
azimuth
|
Easting
|
= 2
|
Map
easting
value.
Remarks:
The
following
georeferencing
attributes
are
mapped
to
this
parameter:
- EPSG-8806:
False
easting:
FE
The
value
assigned
to
the
abscissa
(east
or
west)
axis
of
the
projection
grid
at
the
natural
origin.
- EPSG-8816:
Easting
at
projection
centre:
E_c
The
easting
value
assigned
to
the
projection
centre.
- EPSG-8826:
Easting
at
false
origin:
E_f
The
easting
value
assigned
to
the
false
origin.
- GeoTIFF-3082:
ProjFalseEastingGeoKey
- GeoTIFF-3086:
ProjFalseOriginEastingGeoKey
- GeoTIFF-3090:
ProjCenterEastingGeoKey
- OpenGIS
WKT:
false_easting
|
Latitude
|
= 3
|
Reference
latitude
angle
of
map
projection
(defaults
to
0).
Remarks:
The
following
georeferencing
attributes
are
mapped
to
this
parameter:
- EPSG-8801:
Latitude
of
natural
origin:
phi_o
The
latitude
of
the
point
from
which
the
values
of
both
the
geographic
coordinates
on
the
ellipsoid
and
the
grid
coordinates
on
the
projection
are
deemed
to
increment
or
decrement
for
computational
purposes.
Alternatively
it
may
be
considered
as
the
latitude
of
the
point
which
in
the
absence
of
application
of
false
coordinates
has
grid
coordinates
of
(0,0).
- EPSG-8811:
Latitude
of
projection
centre:
phi_c
For
an
oblique
projection,
this
is
the
latitude
of
the
point
at
which
the
azimuth
of
the
initial
line
is
defined.
- EPSG-8821:
Latitude
of
false
origin:
phi_f
The
latitude
of
the
point
which
is
not
the
natural
origin
and
at
which
grid
coordinate
values
easting
at
false
origin
and
northing
at
false
origin
are
defined.
- EPSG-8832:
Latitude
of
standard
parallel:
phi_f
For
polar
aspect
azimuthal
projections,
the
parallel
on
which
the
scale
factor
is
defined
to
be
unity.
- GeoTIFF-3081:
ProjNatOriginLatGeoKey
- GeoTIFF-3085:
ProjFalseOriginLatGeoKey
- GeoTIFF-3089:
ProjCenterLatKey
- OpenGIS
WKT:
latitude_of_center
- OpenGIS
WKT:
latitude_of_origin
|
Longitude
|
= 4
|
Reference
longitude
angle
of
map
projection
(defaults
to
0).
Remarks:
The
following
georeferencing
attributes
are
mapped
to
this
parameter:
- EPSG-8802:
Longitude
of
natural
origin:
lambda_o
The
longitude
of
the
point
from
which
the
values
of
both
the
geographic
coordinates
on
the
ellipsoid
and
the
grid
coordinates
on
the
projection
are
deemed
to
increment
or
decrement
for
computational
purposes.
Alternatively
it
may
be
considered
as
the
longitude
of
the
point
which
in
the
absence
of
application
of
false
coordinates
has
grid
coordinates
of
(0,0).
Sometimes
known
as
'central
meridian
(CM)'.
- EPSG-8812:
Longitude
of
projection
centre:
lambda_c
For
an
oblique
projection,
this
is
the
longitude
of
the
point
at
which
the
azimuth
of
the
initial
line
is
defined.
- EPSG-8822:
Longitude
of
false
origin:
lambda_f
The
longitude
of
the
point
which
is
not
the
natural
origin
and
at
which
grid
coordinate
values
easting
at
false
origin
and
northing
at
false
origin
are
defined.
- EPSG-8830:
Initial
longitude:
lambda_i
The
longitude
of
the
western
limit
of
the
first
zone
of
a
Transverse
Mercator
zoned
grid
system.
- EPSG-8833:
Longitude
of
origin:
lambda_o
For
polar
aspect
azimuthal
projections,
the
meridian
along
which
the
northing
axis
increments
and
also
across
which
parallels
of
latitude
increment
towards
the
north
pole.
- GeoTIFF-3080:
ProjNatOriginLongGeoKey
- GeoTIFF-3084:
ProjFalseOriginLongGeoKey
- GeoTIFF-3088:
ProjCenterLongKey
- GeoTIFF-3095:
ProjStraightVertPoleLongGeoKey
- OpenGIS
WKT:
central_meridian
- OpenGIS
WKT:
longitude_of_center
- OpenGIS
WKT:
longitude_of_origin
The
prime
meridian
(see
Meridian)
is
not
added
automatically
to
longitude
parameters.
|
Northing
|
= 5
|
Map
northing
value.
Remarks:
The
following
georeferencing
attributes
are
mapped
to
this
parameter:
- EPSG-8807:
False
northing:
FN
The
value
assigned
to
the
ordinate
(north
or
south)
axis
of
the
projection
grid
at
the
natural
origin.
- EPSG-8817:
Northing
at
projection
centre:
N_c
The
northing
value
assigned
to
the
projection
centre.
- EPSG-8827:
Northing
at
false
origin:
N_f
The
northing
value
assigned
to
the
false
origin.
- GeoTIFF-3083:
ProjFalseNorthingGeoKey
- GeoTIFF-3087:
ProjFalseOriginNorthingGeoKey
- GeoTIFF-3091:
ProjCenterNorthingGeoKey
- OpenGIS
WKT:
false_northing
|
Parallel1
|
= 6
|
Latitude
of
first
parallel.
Remarks:
- EPSG-8824:
Latitude
of
pseudo
standard
parallel:
phi_p
Latitude
of
the
parallel
on
which
the
conic
or
cylindrical
projection
is
based.
This
latitude
is
not
geographic,
but
is
defined
on
the
conformal
sphere
after
its
rotation
to
obtain
the
oblique
aspect
of
the
projection.
- EPSG-8824:
Latitude
of
1st
standard
parallel:
phi_1
For
a
conic
projection
with
two
standard
parallels,
this
is
the
latitude
of
one
of
the
parallels
at
which
the
cone
intersects
with
the
ellipsoid.
It
is
normally
but
not
necessarily
that
nearest
to
the
pole.
Scale
is
true
along
this
parallel.
- GeoTIFF-3078:
ProjStdParallel1GeoKey
- OpenGIS
WKT:
pseudo_standard_parallel_1
- OpenGIS
WKT:
standard_parallel_1
|
Parallel2
|
= 7
|
Latitude
of
second
parallel.
Remarks:
- EPSG-8824:
Latitude
of
2nd
standard
parallel:
phi_2
For
a
conic
projection
with
two
standard
parallels,
this
is
the
latitude
of
one
of
the
parallels
at
which
the
cone
intersects
with
the
ellipsoid.
It
is
normally
but
not
necessarily
that
nearest
to
the
equator.
Scale
is
true
along
this
parallel.
- GeoTIFF-3079:
ProjStdParallel2GeoKey
- OpenGIS
WKT:
standard_parallel_2
|
Scale
|
= 8
|
Map
scale
factor
(defaults
to
1).
Remarks:
The
following
georeferencing
attributes
are
mapped
to
this
parameter:
- EPSG-8805:
Scale
factor
at
natural
origin:
k_o
The
factor
by
which
the
map
grid
is
reduced
or
enlarged
during
the
projection
process,
defined
by
its
value
at
the
natural
origin.
- EPSG-8815:
Scale
factor
on
initial
line:
k_c
The
factor
by
which
an
oblique
projections
map
grid
is
reduced
or
enlarged
during
the
projection
process,
defined
by
its
value
along
the
centre
line
of
the
cylinder
or
cone.
- EPSG-8819:
Scale
factor
on
pseudo
standard
parallel:
k_p
The
factor
by
which
the
map
grid
is
reduced
or
enlarged
during
the
projection
process,
defined
by
its
value
at
the
pseudo-standard
parallel.
- GeoTIFF-3092:
ProjScaleAtNatOriginGeoKey
- GeoTIFF-3093:
ProjScaleAtCenterGeoKey
- OpenGIS
WKT:
scale_factor
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