Structure: projection

Object Description:

A projection identifier

Creation Command:

projection command

Permitted Scope:

local, global, or application

Array Capability:

No

Membership Potential:

compound, gstructure, structure, custom

Graphic Primitive Capability:

No

User Function Capability:

No

.access

-

string

Access rights

.class

*

string

Identifier class (projection)

.desc

-

string

Description

.elements

*

string [19]

Structure element names

.etypes

*

string [19]

Structure element types

.is_class

*

numeric func

Whether identifier is an instance of a particular class

.is_proc

*

numeric

Whether identifier is a procedure/function

.num_elements

*

numeric

Structure element count (19)

.owner

*

string

Owner user-id

.time

-

time

Modification time

.type

*

string

Identifier type (projection)

.variant

*

string

Identifier variant (identifier)

* = Read-only element

.datum

-

numeric[ ]

Datum shift

.datum_transform

-

string

Transformation to use for the datum shift

.eccentricity

-

numeric

Ellipsoid eccentricity

.ellipsoid

-

string

Ellipsoid mnemonic code

.epsg

*

numeric

EPSG geographic transformation number

.flattening

-

numeric

Ellipsoid reciprocal flattening

.inverse

*

numeric

Does the projection an inverse function?

.latitudes

*

numeric[ ]

Auxiliary latitudes

.local_angle

-

numeric

Local rotation

.local_origin

-

point

Local origin shift

.local_scale

-

numeric

Localing scaling factor

.name

-

numeric

Projection mnemonic code

.origin

-

point

Origin in longitude/latitude

.radii

-

numeric[2]

Ellipsoid earth radii (equatorial, polar)

.south

-

numeric

Southern hemisphere indicator

.srid

*

numeric

Oracle Spatial Reference Identifier code

.version

-

numeric

Projection version number

.weighting

-

numeric

Projection auxiliary value

.zone

-

numeric

Projection UTM zone

* = Read-only element