Enumerant | Definition | Value |
SE_REFVEC_CAMERA_FORWARD_AXIS |
The given <Reference Vector> instance V is used to
specify the "forward" axis of a <Camera Point> instance.
|
1 |
SE_REFVEC_CAMERA_UP_AXIS |
The given <Reference Vector> instance V is used to
specify the "up" axis of a <Camera Point> instance.
|
2 |
SE_REFVEC_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, this azimuth applies only
to the specified EM band.
If such a <Property Value> component is not present,
this azimuth applies to all emissivity cases.
|
3 |
SE_REFVEC_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, this normal applies only
to the specified EM band.
If such a <Property Value> component is not present,
this normal applies to all emissivity cases.
|
4 |
SE_REFVEC_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_REFVEC_LIGHT_DIRECTION |
The given <Reference Vector> instance V specifies,
for an aggregate <Lobe Data> instance 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_REFVEC_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_REFVEC_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_REFVEC_MINOR_AXIS |
The given <Reference Vector> instance V is used to
specify the minor axis of an <Ellipse> instance,
or the minor axis of the elliptical cross-section
of a <Cylindrical Volume Extent> instance.
|
9 |
SE_REFVEC_MOVEMENT_DIRECTION |
The given <Reference Vector> instance V specifies,
for a given moving object or phenomenon, the direction
of motion.
|
10 |
SE_REFVEC_PARALLELEPIPED_EDGE_DIRECTION |
The given <Reference Vector> instance V specifies,
for an aggregate <Parallelepiped Volume Extent> instance,
the orientation of one of the 3 edges that define
the parallelepiped volume, which are mutually
perpendicular.
|
11 |
SE_REFVEC_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, this azimuth applies only
to the specified EM band.
If such a <Property Value> component is not present,
this azimuth applies to all reflectivity and
transmissivity cases.
|
12 |
SE_REFVEC_REFLECTIVITY_EMISSIVITY_AZIMUTH |
The given <Reference Vector> instance V is used to
specify an azimuth for all reflectivity/emissivity cases.
|
13 |
SE_REFVEC_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, this normal applies only
to the specified EM band.
If such a <Property Value> component is not present,
this normal applies to all reflectivity and
emissivity cases.
|
14 |
SE_REFVEC_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, this normal applies only
to the specified EM band.
If such a <Property Value> component is not present,
this normal applies to all reflectivity and
emissivity cases.
|
15 |
SE_REFVEC_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_REFVEC_FACE_NORMAL of F at the point specified by the
<Location> component of V.
|
16 |
SE_REFVEC_VERTICAL_AXIS |
The given <Reference Vector> instance V specifies,
for a <Lobe Data> aggregate 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 the orientation of V with respect to
the axes (if any) of the SRF in which V is specified.
|
17 |