| Enumerant | Definition | Value |
| SE_REF_VEC_TYP_CAMERA_FORWARD_AXIS |
The given <Reference Vector> instance V is used to
specify the "forward" axis of a <Camera Point> instance.
|
1 |
| SE_REF_VEC_TYP_CAMERA_UP_AXIS |
The given <Reference Vector> instance V is used to
specify the "up" axis of a <Camera Point> instance.
|
2 |
| SE_REF_VEC_TYP_EMISSIVITY_AZIMUTH |
The given <Reference Vector> instance V is used to
specify an azimuth for emissivity cases.
If V has a <Property Value> component specifying an
electromagnetic band, then this azimuth applies only
to the specified EM band.
If such a <Property Value> instance is not present,
then this azimuth applies to all emissivity cases.
|
3 |
| SE_REF_VEC_TYP_EMISSIVITY_NORMAL |
The given <Reference Vector> instance V is used to
specify a normal for emissivity cases.
If V has a <Property Value> component specifying an
electromagnetic band, then this normal applies only
to the specified EM band.
If such a <Property Value> instance is not present,
then this normal applies to all emissivity cases.
|
4 |
| SE_REF_VEC_TYP_FACE_NORMAL |
The given <Reference Vector> instance V specifies a
vector for a face F, where F corresponds to an
aggregate of V and V corresponds to the normal
of F at the point specified by V's <Location> component.
|
5 |
| SE_REF_VEC_TYP_LIGHT_DIRECTION |
The given <Reference Vector> instance V specifies,
for an aggregate <Lobe Data> of V, the following.
1. In the case where the <Lobe Data> instance is part
of a <Spot Light> instance, V specifies the direction
of the light emitted by the <Spot Light> instance.
2. In the case where the <Lobe Data> instance is part
of a <Directional Light Rendering Behaviour>
instance, V specifies the direction of the light
apparently emitted by the <Geometry Representation>
to which the <Directional Light Rendering Behaviour>
instance applies.
|
6 |
| SE_REF_VEC_TYP_LSR_TRANSFORMATION_AXIS |
The given <Reference Vector> instance V specifies a vector
for an <LSR Transformation Step> instance L, where L corresponds
to an aggregate of V such that the transformation
step specified by L is performed in the direction
specified by V.
|
7 |
| SE_REF_VEC_TYP_MAJOR_AXIS |
The given <Reference Vector> instance V is used to
specify the major axis of an <Ellipse> instance,
or the major axis of the elliptical cross-section
of a <Cylindrical Volume Extent> instance.
|
8 |
| SE_REF_VEC_TYP_MINOR_AXIS |
The given <Reference Vector> instance V is used to
specify the minor axis of an <Ellipse>,
or the minor axis of the elliptical cross-section
of a <Cylindrical Volume Extent> instance.
|
9 |
| SE_REF_VEC_TYP_MOVEMENT_DIRECTION |
The given <Reference Vector> instance V specifies,
for a given moving object or phenomenon, the direction
of motion.
|
10 |
| SE_REF_VEC_TYP_PARALLELEPIPED_EDGE_DIRECTION |
The given <Reference Vector> instance V specifies,
for an aggregate <Parallelepiped Volume Extent>,
the orientation of one of the 3 edges that define
the parallelepiped volume, which are mutually
perpendicular.
|
11 |
| SE_REF_VEC_TYP_REFLECTIVITY_AZIMUTH |
The given <Reference Vector> instance V is used to
specify an azimuth for reflectivity/transmissivity cases.
If V has a <Property Value> component specifying an
electromagnetic band, then this azimuth applies only
to the specified EM band.
If such a <Property Value> instance is not present, then
this azimuth applies to all reflectivity and
transmissivity cases.
|
12 |
| SE_REF_VEC_TYP_REFLECTIVITY_EMISSIVITY_AZIMUTH |
The given <Reference Vector> instance V is used to
specify an azimuth for all reflectivity/emissivity cases.
|
13 |
| SE_REF_VEC_TYP_REFLECTIVITY_EMISSIVITY_NORMAL |
The given <Reference Vector> instance V is used to
specify a normal for reflectivity and emissivity cases.
If V has a <Property Value> component specifying an
electromagnetic band, then this normal applies only
to the specified EM band.
If such a <Property Value> instance is not present,
then this normal applies to all reflectivity and
emissivity cases.
|
14 |
| SE_REF_VEC_TYP_REFLECTIVITY_NORMAL |
The given <Reference Vector> instance V is used to
specify a normal for reflectivity/transmissivity cases.
If V has a <Property Value> component specifying an
electromagnetic band, then this normal applies only
to the specified EM band.
If such a <Property Value> instance is not present,
then this normal applies to all reflectivity and
emissivity cases.
|
15 |
| SE_REF_VEC_TYP_RENDERING_NORMAL |
The given <Reference Vector> instance V specifies a
vector for a face F, where F corresponds to an aggregate
of V, such that for visualization rendering
applications, V shall be used in place of the
SE_REF_VEC_TYP_FACE_NORMAL of F at the point specified by V's
<Location> component.
|
16 |
| SE_REF_VEC_TYP_VERTICAL_AXIS |
The given <Reference Vector> instance V specifies,
for an aggregate <Lobe Data> of V, the axis from
which the "horizontal width" and "vertical width"
of the lobe are measured. Note that the label
"vertical axis" in this context does not imply
any constraint on V's orientation with respect to
the axes (if any) of the spatial reference frame
in which V is specified.
|
17 |