Property
|
Description
|
|
Class
|
|
|
Superclass
|
|
|
Subclass
|
|
|
Definition
|
An instance of this DRM class specifies the semantics of a location
related to a <DRM Aggregate Geometry> instance.
The meaning field
specifies the semantics of the
<DRM Location 3D>
component of the <DRM Geometric Centre> instance.
|
|
Class diagram
|
Figure 6.103 —
DRM_Geometric_Centre
|
|
Inherited field elements
|
|
Field name
|
Range
|
Field data type
|
None |
|
|
|
|
Field elements
|
|
|
Default field values
|
Default field values for DRM_Geometric_Centre
|
Associated to (one-way) (inherited) |
|
Associated to (one-way) |
|
Associated by (one-way) (inherited) |
|
Associated by (one-way) |
|
Associated with (two-way) (inherited) |
|
Associated with (two-way) |
|
Composed of (two-way) (inherited) |
|
Composed of (two-way) |
|
Composed of (two-way metadata) (inherited) |
|
Composed of (two-way metadata) |
|
Component of (two-way) (inherited) |
|
Component of (two-way) |
|
|
Constraints
|
|
|
Clarifications
|
None.
|
|
Example(s)
|
Consider a <DRM Model> instance S providing
a geometric representation of an environmental object
classified as an ECC_SAILING_VESSEL as depicted in
Figure 6.104, where the
srf_context_info of
S is specified to be LSR 3D.
Figure 6.104 — <DRM Geometric Centre> centre of buoyancy example
If S is instanced in a simulation where
S is considered to be floating on water, the
effects of the force of the water upon S
can be computed for the
<DRM Geometric Centre> instance with
meaning =
CENTRE_OF_BUOYANCY
to determine how they apply to S as a whole.
Consider a <DRM Model> instance G providing a
geometric representation of an environmental object classified as
an ECC_GROUND_VEHICLE as depicted in
Figure 6.105, where the
srf_context_info of
G is specified to be LSR 3D.
Figure 6.105 — <DRM Geometric Centre> centre of mass example
If G is instanced in a simulation where
G is considered to be in a gravitational field,
the effects of gravity upon G can be computed
for the <DRM Geometric Centre> instance with
meaning =
CENTRE_OF_MASS
to determine how they apply to G as a whole.
Consider a <DRM Model> instance P providing
a geometric representation of an environmental object classified as
an ECC_AIRCRAFT
as depicted in Figure 6.106, where
the srf_context_info of
P is specified to be LSR 3D.
Figure 6.106 — <DRM Geometric Centre> centre of pressure example
If P is instanced in a simulation where
P is considered to be in the air, the effects
of the force of the air upon P
can be computed for the <DRM Geometric Centre> instance
with meaning =
CENTRE_OF_PRESSURE
to determine how they apply to P as a whole.
|