The SEDRIS Data Representation Model
APPENDIX B - Constraints
Spatial Axis Constraints

Definition

In regard to spatial <Axis> instances,

  1. A spatial <Axis> instance is an <Axis> instance with one of the following as its axis_type.

    1. For angular coordinates, such as latitude and longitude, EAC_SPATIAL_ANGULAR_PRIMARY_COORDINATE and EAC_SPATIAL_ANGULAR_SECONDARY_COORDINATE;

    2. For x, y coordinates, EAC_SPATIAL_LINEAR_PRIMARY_COORDINATE and EAC_SPATIAL_LINEAR_SECONDARY_COORDINATE;

    3. For z and elevation coordinates, EAC_SPATIAL_LINEAR_TERTIARY_COORDINATE

  2. The number of spatial <Axis> components of a <Property Grid> instance is specified by spatial_axes_count. These spatial <Axis> components shall be the first listed <Axis> components of the <Property Grid> instance, and each shall correspond to a distinct coordinate-component of the SRF of the <Property Grid> instance.

  3. No other <Axis> instances in any other context shall be spatial.

  4. A spatial <Regular Axis> instance or <Irregular Axis> instance shall not have interpolation_type set to SE_INTERPTYP_DISALLOWED.

Rationale

No Rationale supplied.

Example

No example supplied.

FAQs

No FAQs supplied.


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