The SEDRIS Data Representation Model
APPENDIX A - Classes
LSR Location 2D
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Class Name: LSR Location 2D
Subclasses
This DRM class is concrete and has no subclasses.
Definition
An instance of this DRM class specifies a coordinate within the
Local Space Rectangular (LSR2) 2D Spatial Reference Frame (SRF).
See [I18026] for a complete definition.
Primary Page in DRM Diagram:
Secondary Pages in DRM Diagram:
This class appears on only one page of the DRM class diagram.
Example
<LSR Location 2D> instances
are most commonly used in <Model> representations.
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FAQs
- What if all of the <Vertices> of a
<Polygon> use <LSR Location
2D> locations, and the <Polygon> crosses over two or
more terrain facets?
- By default, the <Polygon> should be draped across
the terrain. This would cause the <Polygon> to be
broken at the terrain facet boundaries, creating multiple polygons. If the
SE_POLY_FLAG_DONT_DRAPE polygon flag is set on the
<Polygon>, then do not drape the
<Polygon>. Instead, the <Vertices>
of the <Polygon> will conform to the terrain surface,
while the interior of the <Polygon> may cut through
the terrain.
Constraints
Component of (two-way)(inherited)
Inherited Field Elements
This class has no inherited field elements.
Prev: Location Table.
Next: LSR Location 3D.
Up:Index.
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Last updated: October 1, 2002
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Copyright © 2002 SEDRIS™
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