<?xml version="1.0" encoding="UTF-8"?>
<?xml-model href="https://pds.nasa.gov/pds4/pds/v1/PDS4_PDS_1N00.sch" schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="https://pds.nasa.gov/pds4/mission/mgn/v1/PDS4_MGN_1N00_1100.sch" schematypens="http://purl.oclc.org/dsdl/schematron"?>
<?xml-model href="https://pds.nasa.gov/pds4/cart/v1/PDS4_CART_1N00_1970.sch" schematypens="http://purl.oclc.org/dsdl/schematron"?>
 
<Product_Observational xmlns="http://pds.nasa.gov/pds4/pds/v1"
  xmlns:mgn="http://pds.nasa.gov/pds4/mission/mgn/v1"
  xmlns:cart="http://pds.nasa.gov/pds4/cart/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_1N00.xsd
     http://pds.nasa.gov/pds4/mission/mgn/v1 https://pds.nasa.gov/pds4/mission/mgn/v1/PDS4_MGN_1N00_1100.xsd
     http://pds.nasa.gov/pds4/cart/v1 https://pds.nasa.gov/pds4/cart/v1/PDS4_CART_1N00_1970.xsd">
 
  <Identification_Area>
    <logical_identifier>urn:nasa:pds:magellan_gvdr:data_gvdr:gvorb_sinu</logical_identifier>
    <version_id>1.0</version_id>
    <title>Magellan GVDR Sinusoidal Source File Table: GVORB</title>
    <information_model_version>1.23.0.0</information_model_version>
    <product_class>Product_Observational</product_class>
  </Identification_Area>
  <Observation_Area>
    <Time_Coordinates>
       <start_date_time xsi:nil="true" nilReason="unknown"></start_date_time>
       <stop_date_time xsi:nil="true" nilReason="unknown"></stop_date_time>
    </Time_Coordinates>
    <Investigation_Area>
       <name>Magellan</name>
       <type>Mission</type>
       <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:investigation:mission.magellan</lid_reference>
          <reference_type>data_to_investigation</reference_type>
       </Internal_Reference>
    </Investigation_Area>
    <Observing_System>
      <Observing_System_Component>
        <name>The Magellan Spacecraft</name>
        <type>Host</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument_host:spacecraft.mgn</lid_reference>
          <reference_type>is_instrument_host</reference_type>
        </Internal_Reference>
      </Observing_System_Component>
      <Observing_System_Component>
        <name>Magellan Spacecraft Radar System</name>
        <type>Instrument</type>
        <Internal_Reference>
          <lid_reference>urn:nasa:pds:context:instrument:mgn.rdrs</lid_reference>
          <reference_type>is_instrument</reference_type>
        </Internal_Reference>
      </Observing_System_Component>
    </Observing_System>
    <Target_Identification>
      <name>Venus</name>
      <type>Planet</type>
      <Internal_Reference>
        <lid_reference>urn:nasa:pds:context:target:planet.venus</lid_reference>
        <reference_type>data_to_target</reference_type>
      </Internal_Reference>
    </Target_Identification>
  
    <Mission_Area>
      <mgn:Magellan_Parameters>
        <mgn:product_type>GVDR</mgn:product_type>       
        <mgn:start_orbit_number>376</mgn:start_orbit_number>
        <mgn:stop_orbit_number>5747</mgn:stop_orbit_number>
        <mgn:producer_institution_name>Stanford Center for Radar Astronomy</mgn:producer_institution_name>
        <mgn:original_pds_volume_id>gvdr_0001</mgn:original_pds_volume_id>
      </mgn:Magellan_Parameters>
    </Mission_Area>
  
    <Discipline_Area>
      <cart:Cartography>
        <Local_Internal_Reference>
          <local_identifier_reference>Table</local_identifier_reference>
          <local_reference_type>cartography_parameters_to_image_object</local_reference_type>
        </Local_Internal_Reference>
        <cart:Spatial_Domain>
          <cart:Bounding_Coordinates>
            <cart:west_bounding_coordinate unit="deg">0.00</cart:west_bounding_coordinate>
            <cart:east_bounding_coordinate unit="deg">360.00</cart:east_bounding_coordinate>
            <cart:north_bounding_coordinate unit="deg">90.00</cart:north_bounding_coordinate>
            <cart:south_bounding_coordinate unit="deg">-90.00</cart:south_bounding_coordinate>
          </cart:Bounding_Coordinates>
        </cart:Spatial_Domain>
        <cart:Spatial_Reference_Information>
          <cart:Horizontal_Coordinate_System_Definition>
            <cart:Planar>
              <cart:Map_Projection>
                <cart:map_projection_name>Sinusoidal</cart:map_projection_name>
                <cart:Sinusoidal>
                  <cart:longitude_of_central_meridian unit="deg">0</cart:longitude_of_central_meridian>
                </cart:Sinusoidal>
              </cart:Map_Projection>
              <cart:Planar_Coordinate_Information>
                <cart:planar_coordinate_encoding_method>Coordinate Pair</cart:planar_coordinate_encoding_method>
                <cart:Coordinate_Representation>
                  <cart:pixel_resolution_x unit="km/pixel">18.225</cart:pixel_resolution_x>
                  <cart:pixel_resolution_y unit="km/pixel">18.225</cart:pixel_resolution_y>
                  <cart:pixel_scale_x unit="pixel/deg">5.79478</cart:pixel_scale_x>
                  <cart:pixel_scale_y unit="pixel/deg">5.79478</cart:pixel_scale_y>
                </cart:Coordinate_Representation>
              </cart:Planar_Coordinate_Information>
              <cart:Geo_Transformation>
                <cart:upperleft_corner_x unit="km">-9.1125</cart:upperleft_corner_x>
                <cart:upperleft_corner_y unit="km">9504.3375</cart:upperleft_corner_y>
              </cart:Geo_Transformation>
            </cart:Planar>
            <cart:Geodetic_Model>
              <cart:latitude_type>Planetocentric</cart:latitude_type>
              <cart:a_axis_radius unit="km">6051.0</cart:a_axis_radius>
              <cart:b_axis_radius unit="km">6051.0</cart:b_axis_radius>
              <cart:c_axis_radius unit="km">6051.0</cart:c_axis_radius>
              <cart:longitude_direction>Positive East</cart:longitude_direction>
            </cart:Geodetic_Model>
          </cart:Horizontal_Coordinate_System_Definition>
        </cart:Spatial_Reference_Information>
      </cart:Cartography>
    </Discipline_Area>
  </Observation_Area>
  
  <Reference_List>
    <Internal_Reference>
      <lid_reference>urn:nasa:pds:magellan_gvdr:document:gvdrsis</lid_reference>
      <reference_type>data_to_document</reference_type>
    </Internal_Reference>
    <Source_Product_Internal>
      <lidvid_reference>urn:nasa:pds:magellan_arcdr::1.0</lidvid_reference>
      <reference_type>data_to_derived_source_product</reference_type>
    </Source_Product_Internal>
    <Source_Product_External>
      <external_source_product_identifier>MGN-V-RDRS-5-SCVDR-V1.0</external_source_product_identifier>
      <reference_type>data_to_derived_source_product</reference_type>
      <doi>10.17189/1522514</doi>
      <curating_facility>GEO</curating_facility>
    </Source_Product_External>
  </Reference_List>
  
  <File_Area_Observational>
    <File>
      <file_name>gvorb.tab</file_name>
      <creation_date_time>1994-05-10T23:11:58.000</creation_date_time>
    </File>
    <Table_Character>
      <local_identifier>Table</local_identifier>
      <offset unit="byte">0</offset>
      <records>13289</records>
      <description>
        This file gives the provenance of the data used to create the GVDR. Each row contains a reference to a data file 
        from either the SCVDR or ARCDR data products. (All such products used are enumerated in the reference list 
        above.) The number of candidate observations and the number actually used is also provided.
      </description>
      <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
      <Record_Character>
        <fields>4</fields>
        <groups>0</groups>
        <record_length unit="byte">36</record_length>
        <Field_Character>
          <name>Source File Name</name>
          <field_number>1</field_number>
          <field_location unit="byte">2</field_location>
          <data_type>ASCII_String</data_type>
          <field_length unit="byte">11</field_length>
          <description>
            The file name of the data file used as a source for this GVDR. This data file was part of an SCVDR or ARCDR 
            data product.
          </description>
        </Field_Character>
        <Field_Character>
          <name>Total Footprint Count</name>
          <field_number>2</field_number>
          <field_location unit="byte">15</field_location>
          <data_type>ASCII_Integer</data_type>
          <field_length unit="byte">6</field_length>
          <description>
            The total number of footprints from the data file in 'Source File Name' considered for inclusion in the         
            GVDR. This is the number of footprints that entirely or partially overlapped the extents of the map 
            projection in use.
          </description>
        </Field_Character>
        <Field_Character>
          <name>Accepted Footprint Count</name>
          <field_number>3</field_number>
          <field_location unit="byte">22</field_location>
          <data_type>ASCII_Integer</data_type>
          <field_length unit="byte">6</field_length>
          <description>
            The number of footprints actually used in the GVDR. Footprints may be rejected on the basis of header flags 
            recommending against their use or other suspected problems.
          </description>
        </Field_Character>
        <Field_Character>
          <name>Rejected Footprint Count</name>
          <field_number>4</field_number>
          <field_location unit="byte">29</field_location>
          <data_type>ASCII_Integer</data_type>
          <field_length unit="byte">6</field_length>
          <description>
            The number of footprints rejected and not used in the GVDR. Footprints may be rejected on the basis of 
            header flags recommending against their use or other suspected problems.
          </description>
        </Field_Character>
      </Record_Character> 
    </Table_Character>
  </File_Area_Observational>
  <File_Area_Observational_Supplemental>
    <File>
      <file_name>gvorb.lbl</file_name>
    </File>
    <Stream_Text>
      <offset unit="byte">0</offset>
      <parsing_standard_id>PDS3</parsing_standard_id>
      <description>Original PDS3 label</description>
      <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
    </Stream_Text>
  </File_Area_Observational_Supplemental>
  <File_Area_Observational_Supplemental>
    <File>
      <file_name>gvorb.fmt</file_name>
    </File>
    <Stream_Text>
      <offset unit="byte">0</offset>
      <parsing_standard_id>PDS3</parsing_standard_id>
      <description>Original PDS3 format file</description>
      <record_delimiter>Carriage-Return Line-Feed</record_delimiter>
    </Stream_Text>
  </File_Area_Observational_Supplemental>
</Product_Observational>
