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<?xml version="1.0" encoding="UTF-8"?>

<!--

    The main NeuroML Level 3 Schema file

    Funding for this work has been received from the Medical Research Council and the
    Wellcome Trust. This file was initially developed as part of the neuroConstruct project
    
    Author: Padraig Gleeson
    Copyright 2009 University College London
    
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
    
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

-->


<xs:schema targetNamespace="http://morphml.org/neuroml/schema"
xmlns:xs="http://www.w3.org/2001/XMLSchema"
    xmlns:mml="http://morphml.org/morphml/schema"
    xmlns:meta="http://morphml.org/metadata/schema"
    xmlns:bio="http://morphml.org/biophysics/schema"
    xmlns:cml="http://morphml.org/channelml/schema"
    xmlns:net="http://morphml.org/networkml/schema"

    xmlns="http://morphml.org/neuroml/schema"
    elementFormDefault="qualified" attributeFormDefault="unqualified">



    
<xs:import namespace="http://morphml.org/networkml/schema"
        schemaLocation="NetworkML_v1.8.1.xsd"/>

    
<xs:import namespace="http://morphml.org/morphml/schema"
        schemaLocation="../Level1/MorphML_v1.8.1.xsd"/>

    
<xs:import namespace="http://morphml.org/biophysics/schema"
        schemaLocation="../Level2/Biophysics_v1.8.1.xsd"/>

    
<xs:import namespace="http://morphml.org/channelml/schema"
        schemaLocation="../Level2/ChannelML_v1.8.1.xsd"/>

    
<xs:import namespace="http://morphml.org/metadata/schema"
        schemaLocation="../Level1/Metadata_v1.8.1.xsd"/>


    
<xs:element name="neuroml" type="NeuroMLLevel3">
            
<xs:annotation>
                    
<xs:documentation>The root NeuroML Level 3 element.</xs:documentation>
            
</xs:annotation>
    
</xs:element>

    
<xs:complexType name="NeuroMLLevel3">
        
<xs:annotation>
            
<xs:documentation>Description of neuronal models, including biophysics and channel mechanisms, and network connections (NeuroML Level 3).</xs:documentation>
        
</xs:annotation>

        
<xs:sequence>
            
<xs:group ref="meta:metadata"/>
            
<xs:group ref="meta:referencedata"/>

            
<xs:element name="cells" type="Level3Cells" minOccurs="0"/>

            
<xs:element name="channels" type="cml:ChannelML" minOccurs="0"/>

            
<xs:group ref="net:CoreNetworkElements" minOccurs="0"/>

        
</xs:sequence>

        
<xs:attribute name="name" type="xs:string" use="optional"/>

        
        
<xs:attribute name="lengthUnits" type="meta:LengthUnits" use="optional">
            
<xs:annotation>
                
<xs:documentation>Unit of all length measurements. Usually has the value &lt;b&gt;micrometer&lt;/b&gt;. Note: length_units will be the preferred form in v2.0</xs:documentation>
            
</xs:annotation>
        
</xs:attribute>
        
        
<xs:attribute name="length_units" type="meta:LengthUnits" use="optional">
            
<xs:annotation>
                
<xs:documentation>Unit of all length measurements. Usually has the value &lt;b&gt;micrometer&lt;/b&gt;. Note: length_units will be the preferred form in v2.0</xs:documentation>
            
</xs:annotation>
        
</xs:attribute>

        
<xs:attribute name="volumeUnits" type="meta:VolumeUnits" use="optional" default="cubic_millimeter">   <!-- Note: changed to the American English spelling in v1.8.1...-->
                
<xs:annotation>
                        
<xs:documentation>Unit of all volume measurements.</xs:documentation>
                
</xs:annotation>
        
</xs:attribute>

    
</xs:complexType>



    
<xs:complexType name="Level3Cells">
            
<xs:annotation>
                    
<xs:documentation>Set of Level 3 cells</xs:documentation>
            
</xs:annotation>
            
<xs:sequence>
                
<xs:element name="cell" type="Level3Cell" maxOccurs="unbounded">
                    
<xs:annotation>
                        
<xs:documentation>A single cell specified in MorphML extended to include channel density info.</xs:documentation>
                    
</xs:annotation>
                
</xs:element>
            
</xs:sequence>
    
</xs:complexType>
    

    
<xs:complexType name="Level3Cell">
            
<xs:annotation>
                    
<xs:documentation>Cell with extensions for biophysics, and network functionality</xs:documentation>
            
</xs:annotation>
            
<xs:complexContent>
                
<xs:extension base="mml:Cell">
                    
<xs:sequence>
                        
<xs:element name="biophysics" type="Level3Biophysics" minOccurs="0"/>
                        
                        
<xs:element name="connectivity" type="net:Level3Connectivity" minOccurs="0">
                            
<xs:annotation>
                                
<xs:documentation>Note: from v1.7.1 the preferred way to specify a potential synaptic location
                                is with a potential_syn_loc element under connectivity under cell, as opposed to the potentialSynapticLocation
                                under biophysics under cell. The former will be the only option from v2.0
</xs:documentation>
                            
</xs:annotation>
                        
</xs:element>
                        
                    
</xs:sequence>
                
</xs:extension>
            
</xs:complexContent>
    
</xs:complexType>




    
<xs:complexType name="Level3Biophysics">
            
<xs:annotation>
                    
<xs:documentation>Biophysics of Level3 cell, including specification for allowable synaptic locations.
                    Note: from v1.7.1 the preferred way to specify a potential synaptic location is with a potential_syn_loc element under connectivity under cell, as
            opposed to the potentialSynapticLocation under biophysics under cell. The former will be the only option from v2.0
</xs:documentation>
            
</xs:annotation>
            
<xs:complexContent>
                
<xs:extension base="bio:Biophysics">
                    
<xs:sequence>
                        
<xs:group ref="net:BiophysicsNetworkElements" minOccurs="0"/>
                    
</xs:sequence>
                
</xs:extension>
            
</xs:complexContent>
    
</xs:complexType>




</xs:schema>