Dictionary:PDS4 Keyword

VICAR Property.VICAR Keyword

General Definition

Mars 2020-Specific Information

XPath

Valid Values (attribute)
Children (class)

Data Type
Units

 cart:a_axis_radius

IMAGE_MAP_PROJECTION. A_AXIS_RADIUS

The a_axis_radius attribute provides the radius of the equatorial axis of the ellipsoid. The IAU calls this "Subplanetary equatorial radius" and mapping applications generally call this "semi_major_axis".

ASCII_Real

Units_of_Length

 Alias

The Alias class provides a single alternate name and identification for this product in this or some other archive or data system.

1) alternate_id

2) alternate_title

3) comment

 Alias_List

The Alias_List class provides a list of paired alternate names and identifications for this product in this or some other archive or data system.

1) Alias

 alternate_id

IDENTIFICATION. PRODUCT_ID

The alternate_id attribute provides an additional identifier supplied by the data provider.

Mars 2020 Specific:
For M2020, it is the filename minus the extension.

ASCII_Short_String_Collapsed

 Array_2D_Image

The Array 2D Image class is an extension of the Array 2D class and defines a two dimensional image.

1) Array_2D

2) offset

3) axes

4) name

5) local_identifier

6) axis_index_order

7) md5_checksum

8) description

9) Display_2D_Image

10) Axis_Array

11) Element_Array

12) Special_Constants

13) Object_Statistics

14) Digital_Object

15) Local_Internal_Reference

 author_list

The author_list attribute contains a semi-colon-separated list of names of people to be cited as authors of the associated product. The general format for individual names is: SURNAME, GIVEN NAME(s). Initials may be used in lieu of given name(s). If the name contains a suffix ("Jr.", "Sr.", "III", etc.) it should be placed before the comma (,). Do not include the word "and" before the final author. All authors should be listed explicitly - do not elide the list using "et al.".

UTF8_Text_Preserved

 axes

SYSTEM. NB

The axes attribute provides a count of the axes.

1) "2"

ASCII_NonNegative_Integer

 Axis_Array

The Axis Array class is used as a component of the array class and defines an axis of the array.

1) axis_name

2) local_identifier

3) elements

4) unit

5) sequence_number

6) Band_Bin_Set

 axis_index_order

The axis_index_order attribute provides the axis index that varies fastest with respect to storage order.

1) "Last Index Fastest"

ASCII_Short_String_Collapsed

 axis_name

The axis_name attribute provides a word or combination of words by which the axis is known.

ASCII_Short_String_Collapsed

 cart:b_axis_radius

IMAGE_MAP_PROJECTION. B_AXIS_RADIUS

The b_axis_radius attribute provides the value of the intermediate axis of the ellipsoid that defines the approximate shape of a target body. The b_axis_radius is usually in the equatorial plane. The IAU calls this axis "along orbit equatorial radius". Mapping applications, which generally only define a sphere or an ellipse, do not support this radius parameter.

ASCII_Real

Units_of_Length

 cart:Bounding_Coordinates

The Bounding_Coordinates class defines the limits of coverage of a set of data expressed by latitude and longitude values in the order western-most, eastern-most, northern-most, and southern-most.

1) cart:west_bounding_coordinate

2) cart:east_bounding_coordinate

3) cart:north_bounding_coordinate

4) cart:south_bounding_coordinate

 Bundle

The Bundle class describes a collection of collections.

1) bundle_type

2) description

3) Conceptual_Object

 Bundle_Member_Entry

The Bundle Member Entry class provides a member reference to a collection.

1) lid_reference

2) lidvid_reference

3) member_status

4) reference_type

 bundle_type

The bundle_type attribute provides a classification for the bundle.

1) "Archive"

2) "Supplemental"

ASCII_Short_String_Collapsed

 cart:c_axis_radius

IMAGE_MAP_PROJECTION. C_AXIS_RADIUS

The c_axis_radius attribute provides the value of the polar axis of the ellipsoid that defines the approximate shape of a target body. The c_axis_radius is normal to the plane defined by the a_axis_radius and b_axis_radius. The IAU calls this "polar radius". Mapping applications generally call this "semi_minor_axis"

ASCII_Real

Units_of_Length

 cart:Cartography

The Cartography class provides a description of how a 3D sphere, spheroid, or elliptical spheroid or the celestial sphere is mapped onto a plane.

1) Local_Internal_Reference

2) cart:Spatial_Domain

3) cart:Secondary_Spatial_Domain

4) cart:Spatial_Reference_Information

 Citation_Information

The Citation_Information class provides specific fields often used in citing the product in journal articles, abstract services, and other reference contexts.

1) author_list

2) editor_list

3) publication_year

4) doi

5) keyword

6) description

 Collection

The Collection class provides a description of a set of products.

1) collection_type

2) description

 collection_type

The collection_type attribute provides a classification for the collection.

1) "Browse"

2) "Calibration"

3) "Context"

4) "Data"

5) "Document"

6) "Geometry"

7) "Miscellaneous"

8) "SPICE Kernel"

9) "XML Schema"

ASCII_Short_String_Collapsed

 img:Commanded_Parameters

The Commanded_Parameters class contains attributes used to identify or describe the commands sent to a spacecraft to perform one or more actions resulting in the acquisition of the current data product. These are distinct from similar values in the root Imaging class which indicate the state of the image as acquired.

1) description

2) img:Brightness_Correction

3) img:Col_Sum

4) img:Color_Filter_Array

5) img:Color_Processing

6) img:Dark_Current_Correction

7) img:Detector

8) img:Downsampling

9) img:Exposure

10) img:Flat_Field_Correction

11) img:Focus

12) img:Focus_Stack

13) img:Frame

14) img:High_Dynamic_Range

15) img:Histogram

16) img:Illumination

17) img:Image_Filter

18) img:Image_Mask

19) img:Onboard_Compression

20) img:Optical_Filter

21) img:Optical_Properties

22) img:Pointing_Correction

23) img:Radiometric_Correction

24) img:Reference_Pixel

25) img:Row_Sum

26) img:Sampling

27) img:Shutter_Subtraction

28) img:Spatial_Filter

29) img:Subframe

30) img:Thumbnail

31) img:Tiling

32) img:Video

 comment

The comment attribute is a character string expressing one or more remarks or thoughts relevant to the object.

ASCII_Text_Preserved

 img:Companding

The Companding class describes whether or not data is or has had its bit depth reduced (for example conversion from 12 to 8 bits via a lookup table or bit scaling), the venue where it occurred (Software or Hardware), and the method used to complete the companding. The processing_algorithm attribute specifies how data was companded. Generally this will either be via a lookup table (such as a square root encoding), or by shifting bits to preserve the high order bits and discard the low order bits. The value of this keyword is mission specific but there are recommended values that should apply across missions when possible: NONE - no scaling. LUTn - use the numbered lookup table. Lookup tables are defined in the mission SIS. It is preferred for "n" to be a number but it could be a name, for example LUT_MMM_3 to indicate LUT 3 for the MMM instruments (on MSL). MSB_BITn - Shift to make bit "n" the most significant. Bits start numbering at 0 so MSB_BIT7 means no shift for a 12->8 bit companding, while MSB_BIT11 means to shift right 4 bits for a 12->8 bit companding. AUTOSHIFT - Data should be shifted to preserve the highest value. This value should only appear in a command echo; one of the MSB_BITn values should be used in downlinked data to specify what the actual shift was.

1) img:Data_Processing

2) img:companding_state

3) img:active_flag

4) img:early_scaling

5) img:processing_venue

6) img:processing_algorithm

7) img:sequence_number

8) img:Companding_File

9) img:Companding_Table

 img:companding_state

INSTRUMENT_STATE_PARMS. SAMPLE_BIT_METHOD

The companding_state attribute specifies whether the data is or has had its bit depth reduced, for example conversion from 12 to 8 bits via a lookup table or bit scaling. Valid values: None - values have not been companded. Companded - values are currently companded. Expanded - values have been companded but are now expanded back to original size.

Mars 2020 Specific:
For M2020, the bit scaling is a 12-bit to 8-bit scaling and can be performed onboard via hardware and/or software , or on the ground in an inverse operation.

1) "Companded"

2) "Expanded"

3) "None"

ASCII_Short_String_Collapsed

 Context_Area

The Context Area provides context information for a product.

1) comment

2) Time_Coordinates

3) Primary_Result_Summary

4) Investigation_Area

5) Observing_System

6) Target_Identification

7) Mission_Area

8) Discipline_Area

 cart:Coordinate_Representation

The Coordinate_Representation class provides the method of encoding the position of a point by measuring its distance from perpendicular reference axes (the "coordinate pair" and "row and column" methods).

1) cart:pixel_resolution_x

2) cart:pixel_resolution_y

3) cart:pixel_scale_x

4) cart:pixel_scale_y

 geom:coordinate_space_frame_type

*. COORDINATE_SYSTEM_NAME

The coordinate_space_frame_type attribute identifies the type of frame being described, such as SITE, LOCAL_LEVEL, LANDER, ROVER, ARM, etc. When combined with Coordinate_Space_Index and the optional solution_id in the Coordinate_Space_Indexed class, this serves to fully name an instance of a coordinate space.

1) "SITE_FRAME"

2) "ROVER_NAV_FRAME"

3) "ROVER_MECH_FRAME"

4) "LOCAL_LEVEL_FRAME"

5) "RSM_HEAD_FRAME"

6) "ARM_TURRET_FRAME"

7) "ARM_DRILL_FRAME"

8) "ARM_DOCKING_POST_FRAME"

9) "ARM_PIXL_FRAME"

10) "ARM_GDRT_FRAME"

11) "ARM_FCS_FRAME"

12) "ARM_WATSON_FRAME"

13) "ARM_SHERLOC_FRAME"

14) "ARM_CUSTOM_TCP_FRAME"

15) "PIXL_BASE_FRAME"

16) "PIXL_SENSOR_FRAME"

17) "HELI_G_FRAME"

18) "HELI_M_FRAME"

19) "HELI_S1_FRAME"

20) "HELI_S2_FRAME"

21) "CINT_FRAME"

22) "MCMF_FRAME"

23) "MCZ_CAL_PRIMARY"

24) "DRILL_BIT_TIP"

25) "MEDA_RDS"

ASCII_Short_String_Collapsed

 geom:Coordinate_Space_Index

*. REFERENCE_COORD_SYSTEM_INDEX

Identifies a coordinate space using an index value given in an identified list.

1) geom:List_Index_No_Units

2) geom:index_sequence_number

3) geom:index_name

4) geom:index_id

5) geom:index_value_number

 geom:Coordinate_Space_Indexed

The Coordinate_Space_Indexed class contains the attributes and classes identifying the indexed coordinate space.

1) geom:coordinate_space_frame_type

2) geom:solution_id

3) geom:Coordinate_Space_Index

 geom:Coordinate_Space_Reference

The Coordinate_Space_Reference class includes the attributes that identify the coordinate space being used to express coordinates in the class in which it appears.

1) geom:Coordinate_Space_Identification

2) geom:Coordinate_Space_Indexed

3) geom:Coordinate_Space_SPICE

4) Local_Internal_Reference

 cart:coordinate_system_type

IMAGE_MAP_PROJECTION. COORDINATE_SYSTEM_TYPE

There are three basic types of coordinate systems: body-fixed rotating, body-fixed non-rotating, and inertial. A body-fixed coordinate system is one associated with the body (e.g., a planet or satellite). The body-fixed system is centered on the body and rotates with the body (unless it is a non-rotating type), whereas an inertial coordinate system is fixed at some point in space. Currently, the PDS has specifically defined two types of body-fixed rotating coordinate systems: planetocentric and planetographic. However, the set of related data elements are modeled such that definitions for other body-fixed rotating coordinate systems, body-fixed non-rotating and inertial coordinate systems can be added as the need arises. Contact a PDS data engineer for assistance in defining a specific coordinate system.

1) "Body-fixed Non-rotating"

2) "Body-fixed Rotating"

3) "Inertial"

ASCII_Short_String_Collapsed

 copyright

The copyright attribute is a character string giving information about the exclusive right to make copies, license, and otherwise exploit an object, whether physical or digital.

ASCII_Text_Preserved

 creation_date_time

IDENTIFICATION. PRODUCT_CREATION_TIME

The creation_date_time attribute provides a date and time when the object was created.

ASCII_Date_Time_YMD

 data_type

The data_type attribute provides the hardware representation used to store a value in Field_Delimited (see PDS Standards Reference section "Character Data Types").

1) "ASCII_AnyURI"

2) "ASCII_BibCode"

3) "ASCII_Boolean"

4) "ASCII_DOI"

5) "ASCII_Date_DOY"

6) "ASCII_Date_Time_DOY"

7) "ASCII_Date_Time_DOY_UTC"

8) "ASCII_Date_Time_YMD"

9) "ASCII_Date_Time_YMD_UTC"

10) "ASCII_Date_YMD"

11) "ASCII_Directory_Path_Name"

12) "ASCII_File_Name"

13) "ASCII_File_Specification_Name"

14) "ASCII_Integer"

15) "ASCII_LID"

16) "ASCII_LIDVID"

17) "ASCII_LIDVID_LID"

18) "ASCII_MD5_Checksum"

19) "ASCII_NonNegative_Integer"

20) "ASCII_Numeric_Base16"

21) "ASCII_Numeric_Base2"

22) "ASCII_Numeric_Base8"

23) "ASCII_Real"

24) "ASCII_String"

25) "ASCII_Time"

26) "ASCII_VID"

27) "UTF8_String"

ASCII_Short_String_Collapsed

 description

The description attribute provides a short (5KB or less) description of the product as a whole.

UTF8_Text_Preserved

 Discipline_Area

The Discipline area allows the insertion of discipline specific metadata.

1) Cartography

2) Display_Settings

3) Imaging

4) Mission_Information

5) Processing_Information

6) Geometry

 disp:Display_Direction

The Display_Direction class specifies how two of the dimensions of an Array object should be displayed in the vertical (line) and horizontal (sample) dimensions of a display device.

1) comment

2) disp:horizontal_display_axis

3) disp:horizontal_display_direction

4) disp:vertical_display_axis

5) disp:vertical_display_direction

 disp:Display_Settings

The Display_Settings class contains one or more classes describing how data should be displayed on a display device.

1) Local_Internal_Reference

2) disp:Display_Direction

3) disp:Color_Display_Settings

4) disp:Movie_Display_Settings

 Document

The Document class describes a document.

1) revision_id

2) document_name

3) doi

4) author_list

5) editor_list

6) acknowledgement_text

7) copyright

8) publication_date

9) document_editions

10) description

11) Document_Edition

12) Digital_Object

 Document_Edition

A Document Edition is one complete version of the document in a set of files that is distinguished by language, a unique assemblage of file formats, or some other criteria.

1) edition_name

2) starting_point_identifier

3) language

4) files

5) description

6) Document_File

 Document_File

The Document File class describes a file which is a part of a document.

1) File

2) directory_path_name

3) file_name

4) document_standard_id

5) local_identifier

6) creation_date_time

7) file_size

8) records

9) md5_checksum

10) comment

11) Digital_Object

 document_standard_id

The document_standard_id attribute provides the formal name of a standard used for the structure of a document file.

1) "7-Bit ASCII Text"

2) "Encapsulated Postscript"

3) "GIF"

4) "HTML"

5) "HTML 2.0"

6) "HTML 3.2"

7) "HTML 4.0"

8) "HTML 4.01"

9) "JPEG"

10) "LaTEX"

11) "MPEG-4"

12) "Microsoft Excel"

13) "Microsoft Word"

14) "PDF"

15) "PDF/A"

16) "PNG"

17) "Postscript"

18) "Rich Text"

19) "TIFF"

20) "UTF-8 Text"

ASCII_Short_String_Collapsed

 domain

The radial "zone" or "shell" of the target for which the observations were collected or which are represented in the product(s). The value may depend on wavelength_range and size of the target.

1) "Atmosphere"

2) "Dynamics"

3) "Heliosheath"

4) "Heliosphere"

5) "Interior"

6) "Interstellar"

7) "Ionosphere"

8) "Magnetosphere"

9) "Rings"

10) "Surface"

ASCII_Short_String_Collapsed

 cart:east_bounding_coordinate

IMAGE_MAP_PROJECTION. EASTERNMOST_LONGITUDE

The east_bounding_coordinate attribute provides the eastern-most coordinate of the limit of coverage expressed in longitude.

ASCII_Real

Units_of_Angle

 edition_name

The edition name attribute provides a name by which the edition is known.

UTF8_Short_String_Collapsed

 editor_list

The editor_list attribute contains a semi-colon-separated list of names of people to be cited as editors of the associated product. The general format for individual names is: SURNAME, GIVEN NAME(s). Initials may be used in lieu of given name(s). If the name contains a suffix ("Jr.", "Sr.", "III", etc.) it should be placed before the comma (,). Do not include the word "and" before the final editor. All editors should be listed explicitly - do not elide the list using "et al.".

UTF8_Text_Preserved

 Element_Array

The Element Array class is used as a component of the array class and defines an element of the array.

1) data_type

2) unit

3) scaling_factor

4) value_offset

 elements

SYSTEM. NB

The elements attribute provides the count of the number of elements along an array axis.

ASCII_NonNegative_Integer

 Encoded_Image

The Encoded Image class is used for ancillary images in standard formats, such as JPEG.

1) Encoded_Byte_Stream

2) name

3) offset

4) encoding_standard_id

5) local_identifier

6) object_length

7) md5_checksum

8) description

9) Digital_Object

 encoding_standard_id

The encoding_standard_id attribute provides the formal name of a standard used for the structure of an Encoded Byte Stream digital object.

1) "GIF"

2) "J2C"

3) "JPEG"

4) "PDF"

5) "PDF/A"

6) "PNG"

7) "TIFF"

ASCII_Short_String_Collapsed

 cart:Equirectangular

The Equirectangular class contains parameters for the Equirectangular map projection. Synder 1987, DOI:10.3133/pp1395, page 90: https://pubs.usgs.gov/pp/1395/report.pdf#page=102 PROJ: https://proj.org/operations/projections/eqc.html forward: x = R * (lambda - lambda_0) * cos(phi_1) y = R * (phi - phi_1) and reverse: lambda = (x / R cos(phi_1)) + lambda_0 phi = (y / R) + phi_1 where: lambda is the longitude of the location to project on the body; phi is the latitude of the location to project on the body; phi_1 is the standard parallel (north and south of the equator) where the scale of the projection is true; lambda_0 is the central meridian of the map; x is the horizontal coordinate of the projected location on the map; y is the vertical coordinate of the projected location on the map; R is the radius of the body.

1) cart:latitude_of_projection_origin

2) cart:standard_parallel_1

3) cart:longitude_of_central_meridian

 Field_Delimited

The Field_Delimited class defines a field of a delimited record or a field of a delimited group.

1) name

2) field_number

3) data_type

4) maximum_field_length

5) field_format

6) unit

7) scaling_factor

8) value_offset

9) description

10) Special_Constants

11) Field_Statistics

 field_delimiter

The field_delimiter attribute provides the character that marks the boundary between two fields in a delimited table.

1) "Comma"

2) "Horizontal Tab"

3) "Semicolon"

4) "Vertical Bar"

5) "comma"

6) "horizontal tab"

7) "semicolon"

8) "vertical bar"

ASCII_Short_String_Collapsed

 field_number

The field_number attribute provides the position of a field, within a series of fields, counting from 1. If two fields within a record are physically separated by one or more groups, they have consecutive field numbers; the fields within the intervening group(s) are numbered separately. Fields within a group separated by one or more (sub)groups, will also have consecutive field numbers.

ASCII_NonNegative_Integer

 fields

The fields attribute provides a count of the total number of scalar fields directly associated with a table record. Fields within groups within the record are not included in this count.

ASCII_NonNegative_Integer

 File

The File class consists of attributes that describe a file in a data store.

1) file_name

2) local_identifier

3) creation_date_time

4) file_size

5) records

6) md5_checksum

7) comment

8) Digital_Object

 File_Area_Browse

The File Area Browse class describes a file and one or more tagged_data_objects contained within the file.

1) File_Area

2) File

3) Array

4) Array_1D

5) Array_2D

6) Array_2D_Image

7) Array_2D_Map

8) Array_2D_Spectrum

9) Array_3D

10) Array_3D_Image

11) Array_3D_Movie

12) Array_3D_Spectrum

13) Encoded_Audio

14) Encoded_Header

15) Encoded_Image

16) Header

17) Stream_Text

18) Table_Binary

19) Table_Character

20) Table_Delimited

 File_Area_Inventory

The File Area Inventory class describes a file and an inventory consisting of references to members.

1) File_Area

2) File

3) Inventory

 File_Area_Observational

The File Area Observational class describes, for an observational product, a file and one or more tagged_data_objects contained within the file.

1) File_Area

2) File

3) Composite_Structure

4) Array

5) Array_1D

6) Array_2D

7) Array_2D_Image

8) Array_2D_Map

9) Array_2D_Spectrum

10) Array_3D

11) Array_3D_Image

12) Array_3D_Movie

13) Array_3D_Spectrum

14) Encoded_Header

15) Header

16) Stream_Text

17) Table_Binary

18) Table_Character

19) Table_Delimited

 File_Area_Text

The File Area Text class describes a file that contains a text stream object.

1) File_Area

2) File

3) Stream_Text

 file_name

IDENTIFICATION. PRODUCT_ID

The file_name attribute provides the name of a file.

ASCII_Short_String_Collapsed

 files

The files attribute provides the number of files in the edition.

ASCII_NonNegative_Integer

 cart:Geo_Transformation

The GEO_Transformation describes the relationship between raster positions (in pixel/line coordinates) and georeferenced coordinates. This is defined by an affine transform. The affine transform consists of six coefficients which map pixel/line coordinates into georeferenced space using the following relationship: Xgeo = GT(0) + Xpixel*GT(1) + Yline*GT(2) Ygeo = GT(3) + Xpixel*GT(4) + Yline*GT(5) or also defined as: GT[0] = Xmin; // upperleft_corner_y GT[1] = CellSize in X; // W-E pixel size, pixel_resolution_x GT[2] = 0; // rotation term, 0 if 'North Up' GT[3] = Ymax; // upperleft_corner_y GT[4] = 0; // shear term, 0 if 'North Up' GT[5] = CellSize in Y; // N-S pixel size, pixel_resolution_y In case of north up images, the GT(2) and GT(4) coefficients are zero, and the GT(1) is pixel width (pixel_resolution_x), and GT(5) is pixel height (pixel_resolution_y). The (GT(0),GT(3)) position is the top left corner of the top left pixel of the raster. Note that the pixel/line coordinates in the above are from (0.5,0.5) at the top left corner of the top left pixel to (width_in_pixels,height_in_pixels) at the bottom right corner of the bottom right pixel. The pixel/line location of the center of the top left pixel would therefore be (1.0,1.0).

1) cart:upperleft_corner_x

2) cart:upperleft_corner_y

 cart:Geodetic_Model

The Geodetic_Model class provides parameters describing the shape of the planet.

1) cart:latitude_type

2) cart:spheroid_name

3) cart:a_axis_radius

4) cart:b_axis_radius

5) cart:c_axis_radius

6) cart:longitude_direction

7) cart:coordinate_system_type

8) cart:coordinate_system_name

 geom:Geometry

The Geometry class is a container for all geometric information in the label. The Image_Display_Geometry class should have one instance if the primary data object is an Array object for which two of the dimensions are suitable for display in the vertical (line) and horizontal (sample) dimensions of a display device. Multiple instances of the Image_Display_Geometry class are only appropriate if the data product contains multiple Array objects and the orientations of the various objects are not the same.

1) geom:SPICE_Kernel_Files

2) geom:Expanded_Geometry

3) geom:Image_Display_Geometry

4) geom:Geometry_Orbiter

5) geom:Geometry_Lander

 geom:Geometry_Lander

The Geometry_Lander class is a container for all geometric information in the label relating to a landed spacecraft, including rovers.

1) geom:geometry_state

2) description

3) local_identifier

4) geom:Articulation_Device_Parameters

5) geom:Camera_Model_Parameters

6) geom:Coordinate_Space_Definition

7) geom:Derived_Geometry

8) geom:Motion_Counter

 geom:geometry_state

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.

ASCII_Short_String_Collapsed

 groups

The groups attribute provides a count of the total number of groups directly associated with a table record. Groups within groups within the record are not included in this count.

ASCII_NonNegative_Integer

 Header

The Header class describes a data object header.

1) Parsable_Byte_Stream

2) name

3) object_length

4) offset

5) local_identifier

6) parsing_standard_id

7) md5_checksum

8) description

9) Digital_Object

 cart:Horizontal_Coordinate_System_Definition

The Horizontal_Coordinate_System_Definition class provides the reference frame or system from which linear or angular quantities are measured and assigned to the position that a point occupies.

1) cart:Geographic

2) cart:Planar

3) cart:Local

4) cart:Geodetic_Model

 disp:horizontal_display_axis

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.

ASCII_Short_String_Collapsed

 disp:horizontal_display_direction

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.

1) "Left to Right"

2) "Right to Left"

ASCII_Short_String_Collapsed

 Identification_Area

The identification area consists of attributes that identify and name an object.

1) logical_identifier

2) version_id

3) title

4) information_model_version

5) product_class

6) Alias_List

7) Citation_Information

8) Modification_History

 img:Imaging

The Imaging class contains classes and attributes describing both the image product itself and the imaging instrument. Image product information can include exposure duration, filters, data correction, sampling, frame, sub-frames, and how the product was derived. For the imaging instrument, information can be provided describing the dynamic physical or operating characteristics of the imaging instrument.

1) Local_Internal_Reference

2) img:Brightness_Correction

3) img:Col_Sum

4) img:Color_Filter_Array

5) img:Color_Processing

6) img:Dark_Current_Correction

7) img:Detector

8) img:Downsampling

9) img:Exposure

10) img:Flat_Field_Correction

11) img:Focus

12) img:Focus_Stack

13) img:Frame

14) img:High_Dynamic_Range

15) img:Histogram

16) img:Illumination

17) img:Image_Filter

18) img:Image_Mask

19) img:Onboard_Compression

20) img:Optical_Filter

21) img:Optical_Properties

22) img:Pointing_Correction

23) img:Radiometric_Correction

24) img:Reference_Pixel

25) img:Row_Sum

26) img:Sampling

27) img:Shutter_Subtraction

28) img:Spatial_Filter

29) img:Subframe

30) img:Tiling

31) img:Thumbnail

32) img:Video

33) img:Instrument_State

34) img:Commanded_Parameters

 geom:index_id

IDENTIFICATION. ROVER_MOTION_COUNTER_NAME

The index_id attribute supplies a short name (identifier) for the associated value in a group of related values.

Mars 2020 Specific:
For the M20 rover: SITE, DRIVE, POSE, ARM, CHIMRA, DRILL, RSM, HGA, DRT, IC.

For the M20 helicopter: FLIGHT, POS

For the M20 LVS camera: SET, INSTANCE

1) "SITE"

2) "DRIVE"

3) "POSE"

4) "ARM"

5) "SHA"

6) "DRILL"

7) "RSM"

8) "HGA"

9) "BITCAR"

10) "SEAL"

11) "RTT"

12) "PMC"

13) "FLIGHT"

14) "POS"

15) "SET"

16) "INSTANCE"

ASCII_Short_String_Collapsed

 geom:index_value_number

*_ARTICULATION_STATE. ARTICULATION_DEVICE_TEMP_COUNT

The index_value_number attribute provides the value with no applicable units as named by the associated index_id or index_name.

ASCII_Real

 information_model_version

The information_model_version attribute provides the version identification of the PDS Information Model on which the label and schema are based.

1) "1.0.0.0"

2) "1.1.0.0"

3) "1.10.0.0"

4) "1.10.1.0"

5) "1.11.0.0"

6) "1.12.0.0"

7) "1.13.0.0"

8) "1.14.0.0"

9) "1.15.0.0"

10) "1.16.0.0"

11) "1.2.0.0"

12) "1.2.0.1"

13) "1.3.0.0"

14) "1.3.0.1"

15) "1.4.0.0"

16) "1.5.0.0"

17) "1.6.0.0"

18) "1.7.0.0"

19) "1.8.0.0"

20) "1.9.0.0"

21) "1.9.1.0"

ASCII_Short_String_Collapsed

 Internal_Reference

DERIVED_IMAGE_PARMS. FLAT_FIELD_FILE_NAME

The Internal_Reference class is used to cross-reference other products in PDS4-compliant registries of PDS and its recognized international partners.

Mars 2020 Specific:
Specifies the name of the flat field file used for radiometric correction. This file should be in the calibration collection.

1) lid_reference

2) lidvid_reference

3) reference_type

4) comment

 Inventory

The Inventory class defines the inventory for members of a collection.

1) Table_Delimited

2) name

3) reference_type

4) offset

5) records

6) local_identifier

7) object_length

8) record_delimiter

9) md5_checksum

10) parsing_standard_id

11) description

12) field_delimiter

13) Digital_Object

14) Uniformly_Sampled

15) Record_Delimited

 Investigation_Area

The Investigation_Area class provides information about an investigation (mission, observing campaign or other coordinated, large-scale data collection effort).

1) name

2) type

3) Internal_Reference

 cart:lander_map_projection_name

The lander_map_projection_name attribute provides the name of the map projection.

1) "Cylindrical"

2) "Cylindrical_Perspective"

3) "Orthographic"

4) "Orthorectified"

5) "Perspective"

6) "Polar"

7) "Vertical"

ASCII_Short_String_Collapsed

 language

The language attribute provides the language used for definition and designation of the term.

1) "English"

ASCII_Short_String_Collapsed

 cart:latitude_of_projection_origin

IMAGE_MAP_PROJECTION. LATITUDE_ORIGIN

The latitude_of_projection_origin attribute defines the latitude chosen as the origin of rectangular coordinates for a map projection.

ASCII_Real

Units_of_Angle

 cart:latitude_type

IMAGE_MAP_PROJECTION. COORDINATE_SYSTEM_NAME

The latitude_type attribute defines the type of latitude (planetographic, planetocentric) used within a cartographic product and as reflected in attribute values within associated PDS labels. For planets and satellites, latitude is measured north and south of the equator; north latitudes are designated as positive. The planetocentric latitude is the angle between the equatorial plane and a line from the center of the body. The planetographic latitude is the angle between the equatorial plane and a line that is normal to the body. In summary, both latitudes are equivalent on a sphere (i.e., equatorial radius equal to polar radius); however, they differ on an ellipsoid (e.g., Mars, Earth). For more on latitude_type, please see the IAU publication available here: http://astrogeology.usgs.gov/groups/IAU-WGCCRE

1) "Planetocentric"

2) "Planetographic"

ASCII_Short_String_Collapsed

 lid_reference

DERIVED_IMAGE. INVERSE_LUT_FILE_NAME
DERIVED_IMAGE_PARMS. FLAT_FIELD_FILE_NAME
DERIVED_IMAGE_PARMS. STEREO_PRODUCT_ID
DERIVED_IMAGE_PARMS. TARGET_INSTRUMENT
IDENTIFICATION. TARGET_NAME
IDENTIFICATION. TARGET_TYPE

The lid_reference attribute provides the logical_identifier for a product.

ASCII_LID

 lidvid_reference

DERIVED_IMAGE_PARMS. INPUT_PRODUCT_ID
IDENTIFICATION. PRODUCT_ID
IDENTIFICATION. SOURCE_PRODUCT_ID

The lidvid_reference attribute provides the logical_identifier plus version_id, which uniquely identifies a product.

Mars 2020 Specific:
For M2020, this keyword indicates the PRODUCT_ID (filename minus extension) of the EDRs (not RDRs) that were used to create this product. In an EDR, this keyword exists and refers to itself; i.e. it is equivalent to PRODUCT_ID.

ASCII_LIDVID

 cart:Local

The Local class provides a description of any coordinate system that is not aligned with the surface of the planet.

1) cart:local_description

2) cart:local_georeference_information

3) cart:Map_Projection_Lander

4) cart:Map_Projection_Rings

5) cart:Surface_Model_Parameters

 cart:local_description

The local_description attribute provides a description of the coordinate system and its orientation to the surface of a planet.

ASCII_Text_Preserved

 local_identifier

The local_identifier attribute provides a character string which uniquely identifies the containing object within the label.

ASCII_Local_Identifier

 local_identifier_reference

*_COORDINATE_SYSTEM. REFERENCE_COORD_SYSTEM_INDEX
*_COORDINATE_SYSTEM. REFERENCE_COORD_SYSTEM_NAME
*_DERIVED_GEOMETRY_PARMS. REFERENCE_COORD_SYSTEM_INDEX
*_DERIVED_GEOMETRY_PARMS. REFERENCE_COORD_SYSTEM_NAME
DERIVED_IMAGE_PARMS. REFERENCE_COORD_SYSTEM_INDEX
DERIVED_IMAGE_PARMS. REFERENCE_COORD_SYSTEM_NAME
GEOMETRIC_CAMERA_MODEL. REFERENCE_COORD_SYSTEM_INDEX
GEOMETRIC_CAMERA_MODEL. REFERENCE_COORD_SYSTEM_NAME
IDENTIFICATION. PRODUCT_ID
SURFACE_MODEL_PARMS. REFERENCE_COORD_SYSTEM_INDEX
SURFACE_MODEL_PARMS. REFERENCE_COORD_SYSTEM_NAME

The local_identifier_reference attribute provides the value of the local_identifier of the entity described by the referencing class. Note that a local_identifier attribute, with the same value as this local_identifier_reference, must be present within the label.

Mars 2020 Specific:
For M2020, EDRs use a standard, predefined frame name for each occurrence. However, RDRs can use any value
available in COORDINATE_SYSTEM_NAME. Despite that, only a few frame names are commonly used. "SITE_FRAME" is used for most SITE, ROVER, and LOCAL_LEVEL CS definitions, as well as for XYZ data and many mosaics. "ROVER_NAV_FRAME" is used for most other CS definitions, surface normals, camera models, and some mosaics. "LOCAL_LEVEL_FRAME" is used for some mosaics. PIXL_SENSOR_FRAME is defined in terms of PIXL_BASE_FRAME which is itself defined (as a constant) in terms of ARM_PIXL_FRAME.

1) "SITE_FRAME"

2) "SITE_FRAME"

3) "ROVER_NAV_FRAME"

4) "ROVER_NAV_FRAME"

5) "ROVER_NAV_FRAME"

6) "ROVER_NAV_FRAME"

7) "SITE_FRAME"

8) "ROVER_NAV_FRAME"

9) "ROVER_NAV_FRAME"

10) "PIXL_BASE_FRAME"

11) "ARM_PIXL_FRAME"

ASCII_Local_Identifier_Reference

 Local_Internal_Reference

The Local Internal_Reference class is used to cross-reference other Description Objects in a PDS4 label.

1) comment

2) local_identifier_reference

3) local_reference_type

 local_reference_type

The local_reference_type attribute provides the name of an association between an entity identified by a local_identifier_reference and another corresponding entity identified by a local_identifier. The values for the local_reference_type are expected to be enumerated for appropriate contexts in the Schematron files of local (i.e., discipline and mission) data dictionaries.

ASCII_Short_String_Collapsed

 logical_identifier

IDENTIFICATION. PRODUCT_ID

A logical identifier identifies the set of all versions of an object. It is an object identifier without a version.

ASCII_LID

 cart:longitude_direction

The longitude_direction attribute identifies the direction of longitude (e.g. POSITIVE_EAST or POSITIVE_WEST) for a planet. The IAU definition for direction of positive longitude should be adopted: http://astrogeology.usgs.gov/groups/IAU-WGCCRE. Typically, for planets with prograde (direct) rotations, positive longitude direction is to the west. For planets with retrograde rotations, positive longitude direction is to the east. Generally the Positive West longitude_direction is used for planetographic systems and Positive East is used for planetocentric systems. If the data is defined with Spatial_Domain in a manner not recommended by the IAU, there is a optional Secondary_Spatial_Domain section to define a second set of bounding coordinates.

1) "Positive East"

2) "Positive West"

ASCII_Short_String_Collapsed

 cart:longitude_of_central_meridian

IMAGE_MAP_PROJECTION. CENTER_LONGITUDE

The longitude_of_central_meridian attribute defines the line of longitude at the center of a map projection generally used as the basis for constructing the projection.

ASCII_Real

Units_of_Angle

 cart:Map_Projection

The Map_Projection class provides the systematic representation of all or part of the surface of a planet on a plane (or Cartesian system).

1) cart:map_projection_name

2) cart:Equirectangular

3) cart:Lambert_Azimuthal_Equal_Area

4) cart:Lambert_Conformal_Conic

5) cart:Mercator

6) cart:Oblique_Cylindrical

7) cart:Oblique_Mercator

8) cart:Orthographic

9) cart:Point_Perspective

10) cart:Polar_Stereographic

11) cart:Polyconic

12) cart:Sinusoidal

13) cart:Transverse_Mercator

 cart:Map_Projection_Lander

The Map_Projection class provides the systematic representation of all or part of the surface of a planet on a plane or developable surface from the perspective of an in-situ spacecraft.

1) cart:lander_map_projection_name

2) cart:Cylindrical

3) cart:Perspective

4) cart:Cylindrical_Perspective

5) cart:Polar

6) cart:Vertical

7) cart:Orthographic_Lander

8) cart:Orthorectified

9) geom:Coordinate_Space_Reference

 cart:map_projection_name

IMAGE_MAP_PROJECTION. MAP_PROJECTION_TYPE

The map_projection_name attribute provides the name of the map projection. Definitions when available are from Synder, J.P., 1987, Map Projections: A Working Manual, USGS Numbered Series, Professional Paper 1395, URL: https://doi.org/10.3133/pp1395.

1) "Albers Conical Equal Area"

2) "Azimuthal Equidistant"

3) "Equidistant Conic"

4) "Equirectangular"

5) "Gnomonic"

6) "Lambert Azimuthal Equal Area"

7) "Lambert Conformal Conic"

8) "Mercator"

9) "Miller Cylindrical"

10) "Oblique Cylindrical"

11) "Oblique Mercator"

12) "Orthographic"

13) "Point Perspective"

14) "Polar Stereographic"

15) "Polyconic"

16) "Robinson"

17) "Sinusoidal"

18) "Space Oblique Mercator"

19) "Stereographic"

20) "Transverse Mercator"

21) "van der Grinten"

ASCII_Short_String_Collapsed

 mars2020:Mars2020_Parameters

The Mars2020_Parameters class is a superclass containing all Mars2020 mission classes.

1) mars2020:Observation_Information

2) mars2020:MOXIE_Parameters

3) mars2020:PIXL_Parameters

4) mars2020:RIMFAX_Parameters

5) mars2020:SHERLOC_Parameters

6) mars2020:SuperCam_Parameters

 maximum_field_length

The maximum_field_length attribute sets an upper, inclusive bound on the number of bytes in the field.

ASCII_NonNegative_Integer

Units_of_Storage

 maximum_record_length

The maximum_record_length attribute provides the maximum length of a record, including the record delimiter.

ASCII_NonNegative_Integer

Units_of_Storage

 member_status

The member_status attribute indicates whether the collection is primary and whether the file_specification_name has been provided for the product_collection label.

1) "Primary"

2) "Secondary"

ASCII_Short_String_Collapsed

 Mission_Area

The mission area allows the insertion of mission specific metadata.

1) Mars2020_Parameters

 msn:Mission_Information

The Mission_Information class provides information about a mission.

1) msn:mission_phase_name

2) msn:mission_phase_identifier

3) msn:release_number

4) msn:product_type_name

5) msn:spacecraft_clock_start

6) msn:spacecraft_clock_stop

7) msn:spacecraft_clock_partition

8) msn:instrument_clock_start

9) msn:instrument_start_time

10) msn:Orbital_Mission

11) msn:Surface_Mission

12) msn:Observation_Context

 mars2020:mission_phase_name

The mission_phase_name identifies a time period within the mission.

1) "ATLO"

2) "Cruise"

3) "Development"

4) "Surface Mission"

5) "Test"

ASCII_Short_String_Preserved

 msn:mission_phase_name

IDENTIFICATION. MISSION_PHASE_NAME

The mission_phase_name identifies a time period within the mission.

1) "DEVELOPMENT"

2) "LAUNCH"

3) "CRUISE AND APPROACH"

4) "ENTRY DESCENT AND LANDING"

5) "PRIMARY SURFACE MISSION"

6) "EXTENDED SURFACE MISSION"

7) "TEST"

ASCII_Short_String_Preserved

 name

The name attribute provides a word or combination of words by which the object is known.

UTF8_Short_String_Collapsed

 cart:north_bounding_coordinate

IMAGE_MAP_PROJECTION. MAXIMUM_LATITUDE

The north_bounding_coordinate attribute provides the northern-most coordinate of the limit of coverage expressed in latitude.

ASCII_Real

Units_of_Angle

 object_length

SYSTEM. LBLSIZE

The object_length attribute provides the length of the digital object in bytes.

ASCII_NonNegative_Integer

Units_of_Storage

 Observation_Area

The observation area consists of attributes that provide information about the circumstances under which the data were collected.

1) Context_Area

2) comment

3) Time_Coordinates

4) Investigation_Area

5) Primary_Result_Summary

6) Observing_System

7) Target_Identification

8) Mission_Area

9) Discipline_Area

 mars2020:Observation_Information

The Observation_Information class provides information about a science observation.

1) mars2020:release_number

2) mars2020:mission_phase_name

3) mars2020:product_type_name

4) mars2020:spacecraft_clock_start

5) mars2020:spacecraft_clock_stop

6) mars2020:spacecraft_clock_partition

7) mars2020:sol_number

8) mars2020:start_sol_number

9) mars2020:stop_sol_number

10) mars2020:start_local_mean_solar_time

11) mars2020:stop_local_mean_solar_time

12) mars2020:start_local_true_solar_time

13) mars2020:start_local_true_solar_time_sol

14) mars2020:stop_local_true_solar_time

15) mars2020:stop_local_true_solar_time_sol

16) mars2020:start_solar_longitude

17) mars2020:stop_solar_longitude

18) mars2020:active_flight_computer

19) mars2020:start_mars_year

20) mars2020:stop_mars_year

 Observing_System

The Observing System class describes the entire suite used to collect the data.

1) name

2) description

3) Observing_System_Component

4) Conceptual_Object

5) Physical_Object

 Observing_System_Component

IDENTIFICATION. INSTRUMENT_ID

The Observing System Component class describes one or more subsystems used to collect data.

1) FRONT_HAZCAM_LEFT_A

2) FRONT_HAZCAM_LEFT_B

3) FRONT_HAZCAM_RIGHT_A

4) FRONT_HAZCAM_RIGHT_B

5) REAR_HAZCAM_LEFT

6) REAR_HAZCAM_RIGHT

7) NAVCAM_LEFT

8) NAVCAM_RIGHT

9) CACHECAM

10) SUPERCAM_RMI

11) MCZ_LEFT

12) MCZ_RIGHT

13) SHERLOC_WATSON

14) SHERLOC_ACI

15) PIXL_MCC

16) SKYCAM

17) LCAM

18) EDL_PUCAM1

19) EDL_PUCAM2

20) EDL_PUCAM3

21) EDL_DDCAM

22) EDL_RDCAM

23) EDL_RUCAM

24) EDL_MICROPHONE

25) HELI_NAV

26) HELI_RTE

27) MEDA_ENVIRONMENT

28) MOXIE

29) PIXL_ENGINEERING

30) PIXL_SPECTROMETER

31) SUPERCAM_NONIMAGE

32) SHERLOC_SPECTROMETER

33) RIMFAX_MOBILE

34) RIMFAX_STATIONARY

 offset

SYSTEM. LBLSIZE

The offset attribute provides the displacement of the object starting position from the beginning of the parent structure (file, record, etc.). If there is no displacement, offset=0.

ASCII_NonNegative_Integer

Units_of_Storage

 cart:Orthorectified

This is an in-situ projection that provides a true overhead view of the scene. Range data is required to create this projection, meaning there is no parallax distortion. It has a constant scale in meters/pixel.

1) cart:pixel_resolution_x

2) cart:pixel_resolution_y

3) cart:x_axis_maximum

4) cart:x_axis_minimum

5) cart:y_axis_maximum

6) cart:y_axis_minimum

7) cart:Pixel_Position_Origin

8) cart:Vector_Projection_Origin

9) cart:Vector_Projection_X_Axis