<!--  PDS4 Schematron for Name Space Id:disp  Version:1.5.0.0 - Tue Dec 15 22:09:58 UTC 2020  -->
<!--  Generated from the PDS4 Information Model Version 1.15.0.0 - System Build 11a  -->
<!--  *** This PDS4 schematron file is an operational deliverable. ***  -->
<sch:schema xmlns:sch="http://purl.oclc.org/dsdl/schematron" queryBinding="xslt2">
<sch:title>Schematron using XPath 2.0</sch:title>
<sch:ns uri="http://www.w3.org/2001/XMLSchema-instance" prefix="xsi"/>
<sch:ns uri="http://pds.nasa.gov/pds4/pds/v1" prefix="pds"/>
<sch:ns uri="http://pds.nasa.gov/pds4/disp/v1" prefix="disp"/>
<!--  ================================================  -->
<!--  NOTE:  There are two types of schematron rules.   -->
<!--         One type includes rules written for        -->
<!--         specific situations. The other type are    -->
<!--         generated to validate enumerated value     -->
<!--         lists. These two types of rules have been  -->
<!--         merged together in the rules below.        -->
<!--  ================================================  -->
<sch:pattern>
<sch:rule context="disp:Display_Settings/pds:Local_Internal_Reference">
<sch:assert test="pds:local_identifier_reference = //pds:*/pds:*/(pds:Array|pds:Array_2D|pds:Array_2D_Image|pds:Array_2D_Map|pds:Array_2D_Spectrum|pds:Array_3D|pds:Array_3D_Image|pds:Array_3D_Movie|pds:Array_3D_Spectrum)/pds:local_identifier "> Display Dictionary: In the pds:Local_Internal_Reference class, the value of the pds:local_identifier_reference must match the value of the pds:local_identifer of an Array class or sub-class within the File_Area. </sch:assert>
<sch:assert test="pds:local_reference_type = 'display_settings_to_array' "> Display_Dictionary: For Local_Internal_Reference in disp:Display_Settings, local_reference_type must equal 'display_settings_to_array'. </sch:assert>
</sch:rule>
</sch:pattern>
<sch:pattern>
<sch:rule context="disp:Discipline_Area">
<sch:assert test="if (disp:Display_Direction) then (disp:Display_Settings/disp:Display_Direction) else true()"> Display Dictionary: If the Display_Direction class is in the label, it must be contained in a Display_Settings class.</sch:assert>
</sch:rule>
</sch:pattern>
<sch:pattern>
<sch:rule context="disp:Display_Direction/disp:horizontal_display_direction">
<sch:assert test=". = ('Left to Right', 'Right to Left')"> The attribute disp:horizontal_display_direction must be equal to one of the following values 'Left to Right', 'Right to Left'.</sch:assert>
</sch:rule>
</sch:pattern>
<sch:pattern>
<sch:rule context="disp:Display_Direction/disp:vertical_display_direction">
<sch:assert test=". = ('Bottom to Top', 'Top to Bottom')"> The attribute disp:vertical_display_direction must be equal to one of the following values 'Bottom to Top', 'Top to Bottom'.</sch:assert>
</sch:rule>
</sch:pattern>
<sch:pattern>
<sch:rule context="disp:Display_Settings/pds:Local_Internal_Reference">
<sch:assert test="pds:local_identifier_reference = //pds:*/pds:*/(pds:Array|pds:Array_2D|pds:Array_2D_Image|pds:Array_2D_Map|pds:Array_2D_Spectrum|pds:Array_3D|pds:Array_3D_Image|pds:Array_3D_Movie|pds:Array_3D_Spectrum)/pds:local_identifier"> Display Dictionary: In the pds:Local_Internal_Reference class, the value of the pds:local_identifier_reference must match the value of the pds:local_identifer of an Array class or sub-class within the File_Area.</sch:assert>
<sch:assert test="pds:local_reference_type = ('display_settings_to_array')"> Display_Dictionary: In the pds:Local_Internal_Reference class, the value of the pds:local_reference_type must be 'display_settings_to_array'.</sch:assert>
</sch:rule>
</sch:pattern>
<sch:pattern>
<sch:rule context="disp:Movie_Display_Settings">
<sch:assert test="if (disp:loop_flag) then disp:loop_flag = ('true', 'false') else true()"> The attribute disp:loop_flag must be equal to one of the following values 'true', 'false'.</sch:assert>
<sch:assert test="if (disp:loop_back_and_forth_flag) then disp:loop_back_and_forth_flag = ('true', 'false') else true()"> The attribute disp:loop_back_and_forth_flag must be equal to one of the following values 'true', 'false'.</sch:assert>
</sch:rule>
</sch:pattern>
<sch:pattern>
<sch:rule context="disp:Movie_Display_Settings/disp:frame_rate">
<sch:assert test="@unit = ('frames/s')"> The attribute @unit must be equal to one of the following values 'frames/s'.</sch:assert>
</sch:rule>
</sch:pattern>
<sch:pattern>
<sch:rule context="disp:Movie_Display_Settings/disp:loop_back_and_forth_flag">
<sch:assert test=". = ('false', 'true')"> The attribute disp:loop_back_and_forth_flag must be equal to one of the following values 'false', 'true'.</sch:assert>
</sch:rule>
</sch:pattern>
<sch:pattern>
<sch:rule context="disp:Movie_Display_Settings/disp:loop_delay">
<sch:assert test="@unit = ('day', 'hr', 'julian day', 'microseconds', 'min', 'ms', 's', 'yr')"> The attribute @unit must be equal to one of the following values 'day', 'hr', 'julian day', 'microseconds', 'min', 'ms', 's', 'yr'.</sch:assert>
</sch:rule>
</sch:pattern>
<sch:pattern>
<sch:rule context="disp:Movie_Display_Settings/disp:loop_flag">
<sch:assert test=". = ('false', 'true')"> The attribute disp:loop_flag must be equal to one of the following values 'false', 'true'.</sch:assert>
</sch:rule>
</sch:pattern>
</sch:schema>