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PDS4_GEOM_IngestLDD.xml
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<?xml version="1.0" encoding="UTF-8"?>
<?xml-model href="https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1G00.sch"?>
<Ingest_LDD
xmlns="http://pds.nasa.gov/pds4/pds/v1"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://pds.nasa.gov/pds4/pds/v1
https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1G00.xsd">
<name>Geometry Dictionary Full</name>
<ldd_version_id>1.9.9.0</ldd_version_id>
<dictionary_type>Discipline</dictionary_type>
<full_name>Edward A. Guinness</full_name>
<steward_id>geo</steward_id>
<namespace_id>geom</namespace_id>
<comment>
Build with: lddtool -pl ingest_file >log_file
add J switch if a JSON file is needed.
Classes used from the PDS namespace
- Local_Internal_Reference
- Internal_Reference
Attributes used from the PDS namespace
- local_identifier
- name
- description
- comment
- kernel_type
- local_reference_type
- reference_type
version 1.0.0 2015-04-30
- Initial release.
version 1.1.0 2015-08-17
- Updated to IM version 1.4.1.0
- Removed attributes body_spice_id and frame_spice_id. body_spice_name and frame_spice_name are the supported attributes.
- Geometry_Identification_Base was replaced by Body_Identification_Base and Frame_Identification_Base.
-- The preceding two changes affect these classes: Central_Body_Identification,
Coordinate_System_Origin_Identification, Observer_Identification, Target_Identification.
- Added the class Coordinate_Space_SPICE.
- SPICE_Kernel_Identification was replaced with the new class Coordinate_Space_SPICE in Coordinate_Space_Identification.
- Replaced local_spice_kernel_name with spice_kernel_file_name.
- Changed kernel_type to pds:kernel_type.
-- The preceding four changes affect Coordinate_Space_Present and Coordinate_Space_Reference.
- horizontal/vertical_pixel_scale_factor now have unit of measure type Units_of_Map_scale (these are all of the
form "[length]/pixel").
- In Geometry_Orbiter class, expanded description to include class use.
- Quaternion_non_SPICE_Style contained a double underscore in the class name. That typo has been corrected.
- Updated a number of the attribute and class definitions/descriptions
- In the Geometry_Orbiter class, Reference_Frame_Identification was removed.
- Added class Coordinate_Space_Indexed
- Moved solution_id attribute from Coordinate_Space_Index to Coordinate_Space_Indexed
- Removed model_desc_file_name from Camera_Model_Parameters
- Replaced Coordinate_Space_Index with Coordinate_Space_Indexed in Coordinate_Space_Identification
- Added Local_Internal_Reference to Coordinate_Space_Index
- Added attribute coordinate_space_frame_type
- Renamed Device_Motor_Clicks* to Device_Motor_Counts*
- Renamed Device_Position_Vector to Vector_Device_Gravity
- Renamed index_value_no_units to index_value_number.
- Completely revised quaternions, removed all four existing quaternion classes,
Quaternion_SPICE, Quaternion_non_SPICE, Rotation_Quaternion, and Device_Orientation_Quaternion.
Introduced three new quaternion classes, Quaternion_Base, Quaternion_1, and Quaternion_2. The latter
two are extensions of Quaternion_Base.
- Revised the definitions of the four components of quaternions.
- Added the classes Rotate_From, Rotate_To, and the attribute rotation_direction to
support the new quaternion classes.
- Added Coordinate_Space_Present to the Articulation_Device_Parameters class.
- Renamed Coordinate_System to Coordinate_System_Identification.
- In Coordinate_Space_Indexed changed Coordinate_Space_Index from parent_of to component_of
- Removed pds:Local_Internal_Reference from Coordinate_Space_Index, Body_Identification_Base, Frame_Identification_Base.
- Removed the quaternions from the Articulation_Device_Parameters class.
- Cleaned up some more definitions.
version 1.2.0 2015-10-15
- Updated to IM version 1.5.0.0
- Redefined the Display_Direction class and removed the import of the
Display dictionary.
- Designated Body_Identification_Base as 'abstract'
- Renamed Target_Identification to Geometry_Target_Identification
- Renamed horizontal/vertical_pixel_size_angular to horizontal/vertical_pixel_field_of_view
- Renamed horizontal/vertical_pixel_size_projected to horizontal/vertical_pixel_footprint
- Removed Body_Identification_Base from Image_Display
- removed body_positive_pole_clock_angle
- added central_body_positive_pole_clock_angle
- Removed Local_Internal_Reference from several classes
- Removed horizontal/vertical_pixel_scale_factor
- Updated horizontal/vertical_pixel_field_of_view descriptions
- Added new, required attribute pixel_field_of_view_method attribute to Pixel_Dimensions
- Allow for multiple Pixel_Size_Projected classes to be specified in the Pixel_Dimensions class.
- Revised the definition of Footprint_Vertices and set the minimum number of vertices to two.
- Added choice between reference_location and new distance attribute in Pixel_Size_Projected class.
- Added 'Constant' (or some other applicable term per rationale) as a permissible value to Pixel_Size_Projected and reference_location.
- Require horizontal_pixel_footprint and vertical_pixel_footprint to be specified in Pixel_Size_Projected class.
- added cahvore_model_type and cahvore_model_parameter attributes to CAHVORE_Model
- added new positive_azimuth_direction and positive_elevation_direction attributes to Coordinate_Space_Definition class
- added new instrument_azimuth, instrument_elevation attributes to Derived_Geometry
- added new selected_instrument_id attribute to Articulation_Device_Parameters for currently selected instrument
- added new device_phase attribute to Articulation_Device_Parameters
- added new Quaternion_Model_Transform and Vector_Model_Transform classes to the Camera_Model_Parameters class
- fixed bug with Vector_Cartesian_No_Units class - local identifier was Vector_Cartesian_Unit and overwriting that class
- changed parent_of Vector_Axis class to Vector_Cartesian_No_Units
- changed parent_of Vector_Device_Gravity class to Vector_Cartesian_Unit instead of Position_Cartesion_Vector_Base since it is a unit vector
- added pds:Local_Internal_Reference to Coordinate_Space_Identification class, specifically for properly defining a Coordinate_Space_Reference.
- updated the definition for coordinate_space_frame_type
- changed ordering of Coordinate_Space_Indexed to make more logical sense
- changed local_identifier attribute in Coordinate_Space_Definition class to allow for mutliple identifiers for a Coordinate Space
- removed units from x_pixel, y_pixel, z_pixel
- changed x_no_units, y_no_units, z_no_units to x,y,z
- removed Coordinate_Space_Reference from CAHV_Model class. It only needs to be in the Camera_Model_Parameters class
- north/east_azimuth - expanded definition to clarify direction of measurement.
- renamed the Distances class to Specific_Distances, removed the Distance_Generic class
from that class and added it to Geometry_Orbiter.
- removed the Specific_Position_Vectors and Specific_Velocity_Vectors classes. The remaining Vector aggragating classss
are Specific_Cartesian_Vectors and Specific_Planetocentric_Vectors.
- Renamed 59 classes for clarity or to make the order of the class name segments consistent with SR requirements. See
the separate class-rename-20151016.txt document for the complete list.
version 1.2.1 2015-11-12 (this version not released for review)
- Inserted a missing ")" in Schematron file to correct a typo.
- changed several instances of a double underscore to a single underscore.
- Removed Local_Reference_Type from geom:Display_Direction.
- Added Schematron rule for Image_Display_Geometry/Local_Internal_Reference/Reference_Type to verify
use of the enumerated value "display_to_data_object".
- In Geometry_Orbiter, moved the class Geometry_Target_Identification ahead of the class Coordinate_System Identification.
This results in placing at the beginning of the class, the items most likely to have multiple
values and hence result in multiple instances of the Geometry_Orbiter class.
version 1.3.0.0 2016-07-15
- Updated to IM version 1.6.0.0
- Changed to four place version number.
- Added geometry_start_time and geometry_stop_time, and expanded the definitions for the three variations
of geometry_*_time.
- Made geom:Display_Direction required even if the disp:Display_Direction is in the label.
- Removed the option to use Quaternion_1 from the Image_Display_Geometry class since there is no way to identify
the relevant end points in the enclosing class.
- Revised the definition of right_ascension_angle.
- Changed the description and units of right_ascension_hour_angle to decimal hours.
- Revised the definition of declination_angle.
- In Object_Orientation_Clock_Angles, made Reference_Frame_Identification optional instead of required.
- Added or modified attributes minimum_*, maximum_*, start_*, stop_*; where * is any of target_geocentric_distance,
target_heliocentric_distance, target_ssb_distance, spacecraft_geocentric_distance, spacecraft_heliocentric_distance,
spacecraft_to_central_body_distance, spacecraft_to_target_center_distance, spacecraft_to_target_boresight_intercept_distance,
spacecraft_to_target_subspacecraft_distance, emission_angle, incidence_angle, phase_angle, solar_elongation, latitude,
longitude, subspacecraft_azimuth, subspacecraft_latitude, subspacecraft_longitude, subsolar_azimuth, subsolar_latitude,
or subsolar_longitude.
- Added the attribute lat_long_description to support start_ and stop_ latitude and longitude.
- Added the classes *_Specific, *_Min_Max, *_Start_Stop; where * is any of Distances, Illumination, or Surface_Geometry.
- Removed the classes Illumination_FOV_Range_Values (replaced with the class Illumination_Min_Max), and
Illumination_Single_Values (replaced with the class Illumination_Specific).
- Removed the attribute illumination_range_designation.
- Changed the names of several specific distance classes from spacecraft_to_*_distance to spacecraft_*_distance.
- Renamed Specific_Distances to Distances_Specific.
- Renamed Surface_Geometry to Surface_Geometry_Specific.
- Renamed Illumination_Single_Values to Illumination_Specific.
- Renamed Specific_Cartesian_Vectors to Vectors_Cartesian_Specific.
- Renamed Specific_Planetocentric_Vectors to Vectors_Planetocentric_Specific.
- Added or redefined several classes for grouping: Orbiter_Identification, Distances, Surface_Geometry,
Illumination_Geometry, Vectors.
- Reorganized the contents of Geometry_Orbiter.
- Provided Schematron rules to ensure if one member of a min-max or start-stop pair is used, both are used.
- Renamed lat_long_description to lat_long_method
- Renamed Quaternion_1 to Quaternion_Plus_Direction
- Renamed Quaternion_2 to Quaternion_Plus_To_From
- In List_Index_Base removed Local_Internal_Reference and made the cardinality of the choice to require at
least one of the options.
- Updated the definitions of several attributes supporting the Lander portion of the dictionary.
- Changed pds:Internal_Reference to geom:Internal_Reference
- Changed pds:Local_Internal_Reference to geom:Local_Internal_Reference
- In the Geometry class, removed the choice statement which made one of Geometry_Orbiter and Geometry_Lander required. Now both are optional.
version 1.3.1.0 2016-07-29
- Added the optional attribute kernel_provenance to the SPICE_Kernel_Identification class.
- Renamed geometry_reference_time, geometry_start/stop_time, and coordinate_system_time, by appending _utc to the attribute name.
- Added the optional attribute geometry_reference_time_tdb
- Changed the cardinality of Quaternion_Plus_To_From in the Image_Display_Geometry to allow multiple instances.
- Added the optional Expanded_Geometry class to the Geometry class
version 1.4.0.0 2016-09-26
- Verified that Internal_Reference and Local_Internal_Reference refer to the PDS namespace in class definitions
- Edited Schematron rules to change geom:Internal_Reference to pds:Internal_Reference
- Edited Schematron rules to match Internal_Reference contexts with reference_type rule_test
- Edited Schematron messages to be more user-friendly
- Remove reference_type and local_reference_type from Schematron rule contexts
- Edited Schematron rules to change geom:Local_Internal_Reference to pds:Local_Internal_Reference
- Edited Schematron rules to match Local_Internal_Reference contexts with local_reference_type rule_text
version 1.4.0.1 2016-11-10
- Changed pds:name to geom:name in the schematron rules
version 1.5.0.0 2017-06-19
- Regenerated the schema and other files because of a bug in the LDDTool - This changed the classes:
Coordinate_Space_Identification, Coordinate_Space_Present, Coordinate_Space_Reference
- Changed the maxoccurs to unbounded for Coordinate_Space_Index in Coordinate_Space_Indexed
- Changed the choice in Derived_Geometry to include all optional attributes. This was done to ensure that the class contained at least one
attribute when included in a label.
version 1.5.1.0 2017-09-20
- Added index_value_number to List_Index_Temperature to specify DN temperature counts in addition to the EU temperature
- Updated the definition for List_Index_Temperature to include that
- Fixed bug with Vector_Entrance to use Vector_Cartesian_Unit instead of Vector_Cartesian_Position_Base
- Updated for PDS model 1.9.0.0
version 1.5.2.0 2018-07-25
- Updated for PDS information model 1.10.0.0
- In Image_Display_Geometry, moved Object_Orientation_Clock_Angles into the choice statement.
version 1.5.3.0 2018-07-25
- Updated for PDS information model 1.10.1.0
version 1.6.0.0 2018-07-27
- Changed Optical_Terms to Vector_Optical, reparented it to Vector_Cartesian_Unit, and fixed the definition.
- Changed Vector_Entrance to Entrance_Terms, reparented it to Polynomial_Coefficients_3, and fixed the definition.
- Rewrote definitions for CAHV_Model, CAHVOR_Model, CAHVORE_Model, Vector_Center, Vector_Horizontal, Vector_Vertical, and Radial_Terms.
- Minor revisions to definitions for Camera_Model_Parameters, Coordinate_Space_Present, Coordinate_Space_Reference, instrument_azimuth,
instrument_elevation, Quaternion_Plus_Direction, solar_azimuth, geometry_start_time_utc, and geometry_stop_time_utc.
- Minor changes to definitions of incidence_angle and phase_angle.
version 1.6.1.0 2018-12-05
- Changed the cardinality (maxoccurs) of Object_Orientation_RA_Dec in Image_Display_Geometry from 3 to unlimited to support
request for MESSENGER MDIS migration to PDS4.
version 1.7.0.0 2019-04-19
- Set the element_flag to "true" for the Coordinate_Space_Reference class so that the class is exposed for others to use.
version 1.7.1.0 2019-05-06
- Added attribute quaternion_measurement_method and included it in the Coordinate_Space_Definition class.
- Added local_identifier to the Articulation_Device_Parameters
version 1.7.2.0 2020-05-04; 2020-07-10
- Modified definitions for quaternion_measurment_method.
- Added the Interpolation class to support documentation of camera model interpolation. Included in the
Camera_Model_Parameters class.
- Added PSPH camera model (5 classes and 2 attributes); added enumerated list for model_type relative
to camera models.
version 1.8.0.0 2020-07-31
- Added Vector_Solar_Direction class to Derived_Geometry; made Vector_Axis_X/Y classes a restriction of the
Vector_Cartesian_Unit class.
- Added Coordinate_Space_Quality to Coordinate_Space_Definition.
- Added Commanded_Geometry to Articulation_Device_Parameters
- have to edit schema to fix the "choice bug"
version 1.8.1.0 2020-08-14 thru 2020-08-28
- Added target_name, target_heliocentric_distance, and solar_image_clock_angle to the
Derived_Geometry class in the Geometry_Lander section.
- Changed attitude_propagation_counter data type from integer to real for M2020.
- Added new attribute geometry_state, pds:description, pds:local_identifier to the start
of the Geometry_Lander class
- Added a Vector_Device_Gravity_Magnitude class to Articulation_Device_Parameters to support M2020.
version 1.9.0.0 2020-10-16 thru 2020-12-09
- Made celestial_north_clock_angle and ecliptic_north_clock_angle nillable.
Added enumerated values for reference_type in Body_Identification_Base and Frame_Identification_Base.
Added enumerated values for coordinate_space_frame_type.
Changed enumerated flag to true for coordinate_space_frame_type
Version 1.9.1.0?? 2020-12-16
- Added enumerated value to coordinate_space_frame_type to support Mars2020.
- Added class Device_Pose to Articulation_Device_Parameters to support Mars 2020.
Version 1.9.2.0 2021-03-30
- Added enumerated value to coordinate_space_frame_type to support Mars2020.
Version 1.9.x.0 2021-04-22
- Added three enumerated values (ROVER_FRAME, TOOL_FRAME, and Tool_Frame)
to coordinate_space_frame_type to support Mars2020.
Version 1.9.3.0 2021-07-13
- Added yet another enumerated value (TURRET_FRAME and title case version)
to coordinate_space_frame_type to support Mars2020.
Version 1.9.3.0 2021-04-27
- Added seven enumerated values in upper/lower case (PIXL_TOOL, WHEEL_RF, WHEEL_LF, WHEEL_RR,
WHEEL_LR, WHEEL_RM, WHEEL_LM) to coordinate_space_frame_type for Mars2020.
- fixed typo traget -> target
Version 1.9.5.0 2022-01-06
- Added ORBITAL (upper and title case) to coordinate_space_frame_type for Mars2020.
Version 1.9.6.0 2022-05-20
- Added AEGIS_* (1 to 5) to coordinate_space_frame_type for Mars2020.
Version 1.9.7.0 2023-10-12
- Made the Display_Direction class optional and updated the definition. Added the
Quaternion_Plus_To_From class to the main Geometry_Orbiter class to support
migration of NEAR data.
Version 1.9.8.0 2024-11-01
- Added two enumerated values (SAM1 and SAM2) to coordinate_space_frame_type to support MSL.
Version 1.9.9.0 2024-12-19
- Updated the definition of the emission_angle attribute to match that of the Rings LDD.
</comment>
<last_modification_date_time>2023-10-12</last_modification_date_time>
<!-- Attributes -->
<!-- General geometry attributes -->
<DD_Attribute>
<name>geometry_reference_time_utc</name>
<version_id>1.0</version_id>
<local_identifier>geometry_reference_time_utc</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Mitchell K. Gordon</submitter_name>
<definition>For some observations, geometric parameters are given as instantaneous
values at a specific time. Another set of instantaneous parameters are the
parameters which give the minimum and maximum values in the product.
In some cases, these range values are all calculated for the same time.
If the label includes single valued geometric parameters or min/max range parameters
determined for a specific time, geometry_reference_time_utc gives the time for which
these values were calculated and must be given in the label.
For some instruments, particularly those with relatively large exposure durations,
(e.g., push broom cameras, many imaging spectrometers), many geometric quantities
are given as ranges. If those range parameters are associated with the beginning
and end of the observation (start_parameter/stop_parameter), geometry_start_time_utc/stop_time
must be given.
Comments within the label should be used to ensure the parameter vs. time association
is unambiguous.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Date_Time_YMD_UTC</value_data_type>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>geometry_reference_time_tdb</name>
<version_id>1.0</version_id>
<local_identifier>geometry_reference_time_tdb</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Mitchell K. Gordon</submitter_name>
<definition>The geometry reference time given in the 'Barycentric Dynamical Time'
system, as a number of elapsed seconds since the J2000 epoch. This is consistent
with the definition of 'ephemeris time' as used in the SPICE toolkit. The value
must correspond to the time specified in the geometry_reference_time_utc attribute.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Real</value_data_type>
<unit_of_measure_type>Units_of_Time</unit_of_measure_type>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>geometry_start_time_utc</name>
<version_id>1.0</version_id>
<local_identifier>geometry_start_time_utc</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Mitchell K. Gordon</submitter_name>
<definition>The pair of geometry_start_time_utc/geometry_stop_time_utc may be given in the
label for any observation. The pair is generally used for fairly long duration
observations (a substantial portion of an hour to several hours). geometry_start_time_utc
gives the time at the beginning of the observation. When either geometry_start_time_utc
or geometry_stop_time_utc is given, both must be provided.
Within the Geometry discipline, there are two options for providing geometric parameters
as a range of values. A parameter may be given as a pair where the parameter values are
those at the beginning and end of the observation (start_parameter, stop_parameter).
If a (start_parameter, stop_parameter) pair is used for any geometric parameter, the pair
(geometry_start_time_utc/geometry_stop_time_utc) must be given.
Another option to provide geometric parameters as a pair is (minimum_parameter, maximum_parameter)
defining a range of values where the values are the minimum and maximum values of that
parameter for the entire observation.
Comments within the label should be used to ensure the parameter vs. time association
is unambiguous.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Date_Time_YMD_UTC</value_data_type>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>geometry_stop_time_utc</name>
<version_id>1.0</version_id>
<local_identifier>geometry_stop_time_utc</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Mitchell K. Gordon</submitter_name>
<definition>The pair of geometry_start_time_utc/geometry_stop_time_utc may be given in the
label for any observation. The pair is generally used for fairly long duration
observations (a substantial portion of an hour to several hours). geometry_stop_time_utc
gives the time at the end of the observation. When either geometry_start_time_utc
or geometry_stop_time_utc is given, both must be provided.
Within the Geometry discipline, there are two options for providing geometric parameters
as a range of values. A parameter may be given as a pair where the parameter values are
those at the beginning and end of the observation (start_parameter, stop_parameter).
If a (start_parameter, stop_parameter) pair is used for any geometric parameter, the pair
(geometry_start_time_utc/geometry_stop_time_utc) must be given.
Another option to provide geometric parameters as a pair is (minimum_parameter, maximum_parameter)
defining a range of values where the values are the minimum and maximum values of that
parameter for the entire observation.
Comments within the label should be used to ensure the parameter vs. time association
is unambiguous.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Date_Time_YMD_UTC</value_data_type>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>geometry_state</name>
<version_id>1.0</version_id>
<local_identifier>geometry_state</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Bob Deen</submitter_name>
<definition>Specifies the state or configuration of this instance of Geometry_Lander applies.
Use of this attribute enables multiple instances of Geometry_Lander, describing the
geometry under different conditions. Note that it is legal for more than one instance
to have the same geometry_state, in which case the local_identifier should be used
to differentiate the instances, along with description. If not present, the semantics
of "Telemetry" should be assumed. It is not required that instances be retained;
a derived product may have an Adjusted instance but remove the Telemetry one,
for example.</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Short_String_Collapsed</value_data_type>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>coordinate_system_type</name>
<version_id>1.0</version_id>
<local_identifier>coordinate_system_type</local_identifier>
<nillable_flag>true</nillable_flag>
<submitter_name>M. Gordon</submitter_name>
<definition>The coordinate_system_type distinguishes between options such as
rectangular, spherical, planetocentric, etc.
</definition>
<DD_Value_Domain>
<enumeration_flag>true</enumeration_flag>
<value_data_type>ASCII_Short_String_Collapsed</value_data_type>
<DD_Permissible_Value>
<value>Cartesian</value>
<value_meaning>The coordinate system uses rectangular coordinates.
</value_meaning>
</DD_Permissible_Value>
<DD_Permissible_Value>
<value>Azimuth-Elevation</value>
<value_meaning>The coordinate system uses azimuth-elevation coordinates.
Azimuth: angle from +X axis to projection of position vector on x-y
plane increases in clockwise direction (-180 to +180).
Elevation: angle between position vector and x-y plane (-90 to +90).
</value_meaning>
</DD_Permissible_Value>
<DD_Permissible_Value>
<value>Spherical</value>
<value_meaning>The coordinate system uses spherical coordinates.
Longitude: angle from +X axis to projection of position vector on
X-Y plane increases in clockwise direction (0 to 360).
Colatitude: angle between +Z axis and position vector (0 to 180).
</value_meaning>
</DD_Permissible_Value>
<DD_Permissible_Value>
<value>Planetocentric</value>
<value_meaning>The coordinate system uses planetocentric coordinates.
Planetocentric longitude increases positively eastward (-180 to +180).
Planetocentric latitude increases positively northward (-90 to +90).
For planets and their satellites the +Z axis (+90 latitude) always
points to the north side of the invariable plane (the plane whose
normal vector is the angular momentum vector of the solar system).
For dwarf planets, asteroids and comets the IAU defines their positive
pole such that their spin is in the right hand sense about
their positive pole. The positive pole may point above or below the
invariable plane of the solar system. This revision by the IAU Working
Group (2006) inverts what had been the direction of the north pole for
Pluto, Charon and Ida.
</value_meaning>
</DD_Permissible_Value>
<DD_Permissible_Value>
<value>Planetodetic</value>
<value_meaning>The coordinate system uses planetodetic coordinates.
For planets and their satellites the +Z axis (+90 latitude) always
points to the north side of the invariable plane (the plane whose
normal vector is the angular momentum vector of the solar system).
Planetodetic longitude increases positively eastward (-180 to +180).
Planetodetic latitude is tied to a reference ellipsoid. For a point,
P, on a reference ellipsoid, angle measured from X-Y plane to the
surface normal at the point of interest. For other points, equals
latitude at the nearest point on the reference ellipsoid. Increases
positively northward (-90 to +90).
</value_meaning>
</DD_Permissible_Value>
<DD_Permissible_Value>
<value>Planetographic</value>
<value_meaning>The coordinate system uses planetographic coordinates.
For planet and satellite planetographic coordinate systems:
Planetographic longitude is usually defined such that the sub-observer
longitude increases with time as seen by a distant, fixed observer
(0 to 360). The earth, moon and sun are exceptions; planetographic
longitude is positive east by default (0 to 360). Planetographic
latitude is planetodetic latitude (-90 to +90).
For dwarf planets, asteroids and comets: there are multiple, inconsistent
standards. Currently, for these objects, PDS permits planetographic
coordinates to be provided in addition to, not in lieu of, either
planetocentric or planetodetic coordinates.
</value_meaning>
</DD_Permissible_Value>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>coordinate_system_time_utc</name>
<version_id>1.0</version_id>
<local_identifier>coordinate_system_time_utc</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>M. Gordon</submitter_name>
<definition>The coordinate_system_time_utc provides the instantiation
time for the coordinate system.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Date_Time_YMD_UTC</value_data_type>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>body_spice_name</name>
<version_id>1.0</version_id>
<local_identifier>body_spice_name</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Mitchell K. Gordon</submitter_name>
<definition>The body_spice_name attribute is a NAIF-recognized string
identifier for a physical object (spacecraft, planet, instrument
transmitter, system barycenter, etc.), associated with the data.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Short_String_Collapsed</value_data_type>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>frame_spice_name</name>
<version_id>1.0</version_id>
<local_identifier>frame_spice_name</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Mitchell K. Gordon</submitter_name>
<definition>The frame_spice_name attribute is a NAIF-recognized string
identifier for a reference frame associated with the data.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Short_String_Collapsed</value_data_type>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>reference_location</name>
<version_id>1.0</version_id>
<local_identifier>reference_location</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>M. Gordon</submitter_name>
<definition>The reference_location indicates the position to which
values in the containing class apply. If the reference location is on
a target, the target is the one specified in the parent Geometry_Orbiter class.
</definition>
<DD_Value_Domain>
<enumeration_flag>true</enumeration_flag>
<value_data_type>ASCII_Short_String_Collapsed</value_data_type>
<DD_Permissible_Value>
<value>Boresight Intercept Point</value>
<value_meaning>Values were determined for the point where the
boresight vector intersects the designated target.
</value_meaning>
</DD_Permissible_Value>
<DD_Permissible_Value>
<value>Subspacecraft Point</value>
<value_meaning>Values were determined for the subspacecraft point
on the designated target.
</value_meaning>
</DD_Permissible_Value>
<DD_Permissible_Value>
<value>Target Center</value>
<value_meaning>Values were determined for the center of the designated target.
</value_meaning>
</DD_Permissible_Value>
<DD_Permissible_Value>
<value>Constant</value>
<value_meaning>Constant is used when the pixel scale does not vary, e.g.,
for telecentric lenses, maps, or cameras that look at constant, fixed targets,
such as microscope stages.
</value_meaning>
</DD_Permissible_Value>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>reference_pixel_location</name>
<version_id>1.0</version_id>
<local_identifier>reference_pixel_location</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>M. Gordon</submitter_name>
<definition>The reference_pixel_location indicates the position
of the pixel to which values in the containing class apply.
</definition>
<DD_Value_Domain>
<enumeration_flag>true</enumeration_flag>
<value_data_type>ASCII_Short_String_Collapsed</value_data_type>
<DD_Permissible_Value>
<value>Center</value>
<value_meaning>Values were determined for the intersection of a
vector through the center of the field of view
with the specified target.
</value_meaning>
</DD_Permissible_Value>
<DD_Permissible_Value>
<value>Upper Left Corner</value>
<value_meaning>Values were determined for the intersection of a
vector through the upper left corner of the field
of view with the specified target.
</value_meaning>
</DD_Permissible_Value>
<DD_Permissible_Value>
<value>Lower Left Corner</value>
<value_meaning>Values were determined for the intersection of a
vector through the lower left corner of the field
of view with the specified target.
</value_meaning>
</DD_Permissible_Value>
<DD_Permissible_Value>
<value>Upper Right Corner</value>
<value_meaning>Values were determined for the intersection of a
vector through the upper right corner of the field
of view with the specified target.
</value_meaning>
</DD_Permissible_Value>
<DD_Permissible_Value>
<value>Lower Right Corner</value>
<value_meaning>Values were determined for the intersection of a
vector through the lower right corner of the field
of view with the specified target.
</value_meaning>
</DD_Permissible_Value>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>spice_kernel_file_name</name>
<version_id>1.0</version_id>
<local_identifier>spice_kernel_file_name</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Elizabeth Rye</submitter_name>
<definition>The spice_kernel_file_name attribute provides the file name of a SPICE
kernel file used to process the data or to produce geometric quantities given
in the label.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_File_Name</value_data_type>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>kernel_provenance</name>
<version_id>1.0</version_id>
<local_identifier>kernel_provenance</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>M. Gordon</submitter_name>
<definition>The kernel_provenance attribute indicates whether a kernel file is a
predict kernel, a reconstructed kernel, some combination of the two, or
a kernel for which the distinction is not applicable.
</definition>
<DD_Value_Domain>
<enumeration_flag>true</enumeration_flag>
<value_data_type>ASCII_Short_String_Collapsed</value_data_type>
<DD_Permissible_Value>
<value>Predicted</value>
<value_meaning>This kernel is a predict kernel (e.g. a pre-encounter
predicted spacecraft trajectory SPK ).
</value_meaning>
</DD_Permissible_Value>
<DD_Permissible_Value>
<value>Reconstructed</value>
<value_meaning>This kernel is reconstructed based on improved information
(e.g. a post-encounter reconstructed spacecraft trajectory SPK based on
improved navigation information).
</value_meaning>
</DD_Permissible_Value>
<DD_Permissible_Value>
<value>Mixed</value>
<value_meaning>This kernel contains both reconstructed and predicted portions
(e.g. a reconstructed spacecraft trajectory SPK with a run-out predicted tail).
</value_meaning>
</DD_Permissible_Value>
<DD_Permissible_Value>
<value>Provenance Not Applicable</value>
<value_meaning>This kernel does not fit into any of the other categories
(e.g., LSKs, SCLKs, text PCKs).
</value_meaning>
</DD_Permissible_Value>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>vertical_coordinate_pixel</name>
<version_id>1.0</version_id>
<local_identifier>vertical_coordinate_pixel</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Mitchell K. Gordon</submitter_name>
<definition>vertical_coordinate_pixel (line) is the vertical coordinate of a specific pixel.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Real</value_data_type>
<unit_of_measure_type>Units_of_Misc</unit_of_measure_type>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>horizontal_coordinate_pixel</name>
<version_id>1.0</version_id>
<local_identifier>horizontal_coordinate_pixel</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Mitchell K. Gordon</submitter_name>
<definition>horizontal_coordinate_pixel (sample) is the horizontal coordinate of a specific pixel.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Real</value_data_type>
<unit_of_measure_type>Units_of_Misc</unit_of_measure_type>
</DD_Value_Domain>
</DD_Attribute>
<!-- Attributes for the Object_Display classes. -->
<DD_Attribute>
<name>horizontal_display_axis</name>
<version_id>1.0</version_id>
<local_identifier>horizontal_display_axis</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Elizabeth Rye</submitter_name>
<definition>The horizontal_display_axis attribute
identifies, by name, the axis of an Array (or Array subclass)
that is intended to be displayed in the horizontal or "sample"
dimension on a display device. The value of this attribute must
match the value of one, and only one, axis_name attribute in an
Axis_Array class of the associated Array.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Short_String_Collapsed</value_data_type>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>horizontal_display_direction</name>
<version_id>1.0</version_id>
<local_identifier>horizontal_display_direction</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Elizabeth Rye</submitter_name>
<definition>The horizontal_display_direction attribute specifies the direction
across the screen of a display device that data along the horizontal axis of
an Array is supposed to be displayed.
</definition>
<DD_Value_Domain>
<enumeration_flag>true</enumeration_flag>
<value_data_type>ASCII_Short_String_Collapsed</value_data_type>
<DD_Permissible_Value>
<value>Left to Right</value>
<value_meaning>Data along the horizontal axis of an array should
be displayed from left to right.
</value_meaning>
</DD_Permissible_Value>
<DD_Permissible_Value>
<value>Right to Left</value>
<value_meaning>Data along the horizontal axis of an array should
be displayed from right to left.
</value_meaning>
</DD_Permissible_Value>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>vertical_display_axis</name>
<version_id>1.0</version_id>
<local_identifier>vertical_display_axis</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Elizabeth Rye</submitter_name>
<definition>The vertical_display_axis attribute
identifies, by name, the axis of an Array (or Array subclass)
that is intended to be displayed in the vertical or "line"
dimension on a display device. The value of this attribute must
match the value of one, and only one, axis_name attribute in an
Axis_Array class of the associated Array.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Short_String_Collapsed</value_data_type>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>vertical_display_direction</name>
<version_id>1.0</version_id>
<local_identifier>vertical_display_direction</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Elizabeth Rye</submitter_name>
<definition>The vertical_display_direction attribute specifies the direction
along the screen of a display device that data along the vertical axis
of an Array is supposed to be displayed.
</definition>
<DD_Value_Domain>
<enumeration_flag>true</enumeration_flag>
<value_data_type>ASCII_Short_String_Collapsed</value_data_type>
<DD_Permissible_Value>
<value>Top to Bottom</value>
<value_meaning>Data along the vertical axis of an array should
be displayed from the top to the bottom of the display device.
</value_meaning>
</DD_Permissible_Value>
<DD_Permissible_Value>
<value>Bottom to Top</value>
<value_meaning>Data along the vertical axis of an array should
be displayed from the bottom to the top of the display device.
</value_meaning>
</DD_Permissible_Value>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>north_azimuth</name>
<version_id>2.0</version_id>
<local_identifier>north_azimuth</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Mitchell K. Gordon</submitter_name>
<definition>Assuming the image is displayed as defined by the Display_Direction
class, the north_azimuth attribute provides the value of the angle
between a line from the image center to the north pole and
a reference line in the image plane. The reference line is
a horizontal line from the image center to the middle right
edge of the image. This angle is measured from the
reference line and increases in a clockwise direction.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Real</value_data_type>
<minimum_value>0</minimum_value>
<maximum_value>360</maximum_value>
<unit_of_measure_type>Units_of_Angle</unit_of_measure_type>
<specified_unit_id>deg</specified_unit_id>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>east_azimuth</name>
<version_id>2.0</version_id>
<local_identifier>east_azimuth</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Mitchell K. Gordon</submitter_name>
<definition>Assuming the image is displayed as defined by the Display_Direction
class, the east_azimuth attribute provides the value of the angle
between a line from the image center to the east and a reference
line in the image plane. The reference line is a horizontal line
from the image center to the middle right edge of the image. This angle
is measured from the reference line and increases in a clockwise direction.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Real</value_data_type>
<minimum_value>0</minimum_value>
<maximum_value>360</maximum_value>
<unit_of_measure_type>Units_of_Angle</unit_of_measure_type>
<specified_unit_id>deg</specified_unit_id>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>right_ascension_angle</name>
<version_id>1.0</version_id>
<local_identifier>right_ascension_angle</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Mitchell K. Gordon</submitter_name>
<definition>The right_ascension_angle attribute provides the value of right
ascension (RA) as an angle. Right ascension is measured from the vernal
equinox or the first point of Aries, which is the place on the celestial
sphere where the Sun crosses the celestial equator from south to north at
the March equinox. Right ascension is measured continuously in a full circle
from that equinox towards the east. Right ascension is used in conjunction
with the declination attribute to specify a point on the sky. Note Right
Ascension also may be given in hour angles in which case the appropriate
attribute is right_ascension_hour_angle.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Real</value_data_type>
<minimum_value>0</minimum_value>
<maximum_value>360</maximum_value>
<unit_of_measure_type>Units_of_Angle</unit_of_measure_type>
<specified_unit_id>deg</specified_unit_id>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>right_ascension_hour_angle</name>
<version_id>1.0</version_id>
<local_identifier>right_ascension_hour_angle</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Mitchell K. Gordon</submitter_name>
<definition>The right_ascension_hour_angle attribute provides the value of right
ascension (RA) as in terms of hour angles (hh.xxx...). Right ascension
is measured from the vernal equinox or the first point of Aries, which is the
place on the celestial sphere where the Sun crosses the celestial equator from
south to north at the March equinox. Right ascension is measured continuously
in a full circle from that equinox towards the east. Right ascension is used in
conjunction with the declination attribute to specify a point on the sky.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Real</value_data_type>
<unit_of_measure_type>Units_of_Time</unit_of_measure_type>
<specified_unit_id>hr</specified_unit_id>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>declination_angle</name>
<version_id>1.0</version_id>
<local_identifier>declination_angle</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Mitchell K. Gordon</submitter_name>
<definition>The declination_angle (Dec) attribute provides the value of an angle
on the celestial sphere, measured north from the celestial equator
to the point in question. (For points south of the celestial
equator, negative values are used.) Declination is used in
conjunction with right ascension (right_ascension_angle or
right_ascension_hour_angle) to specify a point on the sky.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Real</value_data_type>
<minimum_value>-90</minimum_value>
<maximum_value>90</maximum_value>
<unit_of_measure_type>Units_of_Angle</unit_of_measure_type>
<specified_unit_id>deg</specified_unit_id>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>celestial_north_clock_angle</name>
<version_id>1.0</version_id>
<local_identifier>celestial_north_clock_angle</local_identifier>
<nillable_flag>true</nillable_flag>
<submitter_name>Mitchell K. Gordon</submitter_name>
<definition>The celestial_north_clock_angle attribute specifies the
direction of celestial north at the center of an image.
It is measured from the 'upward' direction, clockwise to
the direction toward celestial north, assuming
the image is displayed as defined by the Display_Direction class.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Real</value_data_type>
<minimum_value>0</minimum_value>
<maximum_value>360</maximum_value>
<unit_of_measure_type>Units_of_Angle</unit_of_measure_type>
<specified_unit_id>deg</specified_unit_id>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>celestial_east_clock_angle</name>
<version_id>1.0</version_id>
<local_identifier>celestial_east_clock_angle</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Mitchell K. Gordon</submitter_name>
<definition>The celestial_east_clock_angle attribute specifies the
direction of celestial east at the center of an image.
It is measured from the 'upward' direction, clockwise to
the direction toward celestial east, assuming
the image is displayed as defined by the Display_Direction class.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Real</value_data_type>
<minimum_value>0</minimum_value>
<maximum_value>360</maximum_value>
<unit_of_measure_type>Units_of_Angle</unit_of_measure_type>
<specified_unit_id>deg</specified_unit_id>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>ecliptic_north_clock_angle</name>
<version_id>1.0</version_id>
<local_identifier>ecliptic_north_clock_angle</local_identifier>
<nillable_flag>true</nillable_flag>
<submitter_name>Mitchell K. Gordon</submitter_name>
<definition>The ecliptic_north_clock_angle attribute specifies the
direction of ecliptic north at the center of an image.
It is measured from the 'upward' direction, clockwise to
the direction toward ecliptic north, assuming
the image is displayed as defined by the Display_Direction class.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Real</value_data_type>
<minimum_value>0</minimum_value>
<maximum_value>360</maximum_value>
<unit_of_measure_type>Units_of_Angle</unit_of_measure_type>
<specified_unit_id>deg</specified_unit_id>
</DD_Value_Domain>
</DD_Attribute>
<DD_Attribute>
<name>ecliptic_east_clock_angle</name>
<version_id>1.0</version_id>
<local_identifier>ecliptic_east_clock_angle</local_identifier>
<nillable_flag>false</nillable_flag>
<submitter_name>Mitchell K. Gordon</submitter_name>
<definition>The ecliptic_east_clock_angle attribute specifies the
direction of ecliptic east at the center of an image.
It is measured from the 'upward' direction, clockwise to
the direction toward ecliptic east, assuming
the image is displayed as defined by the Display_Direction class.
</definition>
<DD_Value_Domain>
<enumeration_flag>false</enumeration_flag>
<value_data_type>ASCII_Real</value_data_type>