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<?xml version="1.0" encoding="UTF-8"?>
<neuroml xmlns="http://morphml.org/neuroml/schema"
        xmlns:nml="http://morphml.org/neuroml/schema"
        xmlns:meta="http://morphml.org/metadata/schema"
        xmlns:mml="http://morphml.org/morphml/schema"
        xmlns:bio="http://morphml.org/biophysics/schema"
        xmlns:cml="http://morphml.org/channelml/schema"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://morphml.org/neuroml/schema  http://www.neuroml.org/NeuroMLValidator/NeuroMLFiles/Schemata/v1.8.1/Level2/NeuroML_Level2_v1.8.1.xsd"
        length_units="micrometer"
>

        
    
<cells>
        
<cell name="InhomogenousBiophys">
            
<meta:notes>A cell with some inhomogenous biophysical parameters. </meta:notes>
            
            
<segments xmlns="http://morphml.org/morphml/schema">
                
                
<segment id="0" name="Soma" cable="0">
                    
<proximal x="0.0" y="0.0" z="0.0" diameter="10.0"/>
                    
<distal x="0.0" y="0.0" z="0.0" diameter="10.0"/>
                
</segment>
                
<segment id= "1" name = "DendSeg1" parent = "0" cable = "1">
                    
<proximal x="0" y="0" z="0" diameter="5"/>
                    
<distal x="0" y="10" z="0" diameter="5"/>
                
</segment>    
                
<segment id= "2" name = "DendSeg2" parent = "1" cable = "1">
                    
<distal x="0" y="20" z="0" diameter="5"/>
                
</segment>  
                
<segment id= "3" name = "DendSeg3" parent = "2" cable = "2">
                    
<proximal x="0" y="20" z="0" diameter="5"/>
                    
<distal x="0" y="100" z="0" diameter="5"/>
                
</segment>
                
<segment id= "4" name = "DendSeg4" parent = "3" cable = "2">
                    
<distal x="0" y="200" z="0" diameter="5"/>
                
</segment>  
                
            
</segments>
            
<cables xmlns="http://morphml.org/morphml/schema">
                
                
<cable id="0" name="Soma"/>
                
<cable id= "1" name = "DendSection1"/>
                
<cable id= "2" name = "DendSection2">
                    
<meta:properties>
                        
<meta:property>
                            
<meta:tag>numberInternalDivisions</meta:tag>
                            
<meta:value>4</meta:value>
                        
</meta:property>
                    
</meta:properties>
                
</cable>
            
                
<cablegroup name="all">
                    
<cable id="0"/>
                    
<cable id="1"/>
                    
<cable id="2"/>
                
</cablegroup>
                
<cablegroup name="soma_group">
                    
<cable id="0"/>
                
</cablegroup>
                
<cablegroup name="dendrite_group">
                    
<cable id="1"/>
                    
<cable id="2"/>
                    
                    
<!-- A parameter whose value varies from 0 at the start of the group closest to the soma
                         to 1 at the most distal point of the segments in the group.-->

                    
                    
<inhomogeneous_param name="dendrite_group_x1" variable="p">
                        
<metric>Path Length from root</metric>
                        
<proximal translationStart="0"/>
                        
<distal normalizationEnd="1"/>
                    
</inhomogeneous_param>
                    
                    
<!-- A parameter whose value varies from 0 at the start of the group closest to the soma (as its attached to the soma)
                         to 200 at the most distal point of the segments in the group.-->
                    
                    
                    
<inhomogeneous_param name="dendrite_group_x2" variable="p">
                        
<metric>Path Length from root</metric>
                    
</inhomogeneous_param>
                
</cablegroup>
                
            
</cables>
            
            
<!--Adding the biophysical parameters. Note element biophysics is in nml namespace, but the elements inside
                are in http://morphml.org/biophysics/schema namespace (in Biophysics_v*.*.xsd)-->

            
            
<nml:biophysics units="Physiological Units" xmlns="http://morphml.org/biophysics/schema">
                
                
<mechanism name="PassiveCond" type="Channel Mechanism">
                    
<parameter name="gmax" value="0.03">
                        
<group>soma_group</group>
                    
</parameter>
                    
<variable_parameter name="gmax">
                        
<!-- Will result in a gmax of 0.2 at soma end, 0.1 at other end-->
                        
<group>dendrite_group</group>
                        
<inhomogeneous_value param_name="dendrite_group_x2" value="0.2 - 0.1(p/200)"/>
                    
</variable_parameter>
                
</mechanism>


                
<mechanism name="NaConductance" type="Channel Mechanism">
                    
<variable_parameter name = "gmax">
                        
<group>dendrite_group</group>
                        
<inhomogeneous_value param_name="dendrite_group_x1" value="50 * (1-(p/2))"/>
                    
</variable_parameter>
                
</mechanism>
                
                
<spec_capacitance>
                    
<parameter value="1">
                        
<group>all</group>
                    
</parameter>
                
</spec_capacitance>
                
                
<spec_axial_resistance>
                    
<parameter value="0.11">
                        
<group>all</group>
                    
</parameter>
                
</spec_axial_resistance>
                
            
</nml:biophysics>
                

        
</cell>
    
</cells>
</neuroml>