gem-graph-client/models/dimers random walk.xml

<?xml version="1.0" encoding="UTF-8"?>
<gem-graph-model version="0.2">
    <!-- Model identity informations -->
    <identity>
       <name>Modèle de test</name>

       <owner>Gaston Lagaffe</owner>

       <owner_id>2</owner_id>

       <date>1629830000</date>

       <version>1.0</version>

       <g_ref id="texte" date="1629830000" author="Jean" lang="en">Ref</g_ref>
    </identity>

    <!-- Model parameters -->
    <parameters id="texte" date="0" author="Gaston Lagaffe">
        <simulation>
            <max_thread>0</max_thread>
            <max_cycles>9</max_cycles>

        </simulation>

        <space-param>
            <dimension>
    <!-- loop_on_zero="true"  anything moved before zero reenters at the end of space-->
    <!-- loop_on_zero="false" anything moved before zero is lost-->
    <!-- loop_on_max="true"   anything moved beyond max reenters at the zero of space-->
    <!-- loop_on_max="false"  anything moved beyond max is lost-->
                <axis name="x" size="29"/>
                <axis name="y" size="0"/>
                <axis name="z" size="0"/>
            </dimension>
            <!-- Site_multiplicity = number of  sites in a space unit. -->
            <!-- Each site points towards a neighbouring space unit. -->
            <!-- Several arrows can be stacked in the same site. -->
            <site_multiplicity>3</site_multiplicity>

        </space-param>

    </parameters>

    <!-- Model objects definition -->
    <objects id="texte" date="1629830000" author="Jean Sirmai">
        <object id="dimer 1-1" date="1629830000" author="Jean Sirmai">
            <arrow x="0" y="0" z="0" site="1" weight="1"/>
            <arrow x="1" y="0" z="0" site="2" weight="1"/>

        </object>

    </objects>

    <!-- Saved space description (initial space is sequence 0) -->
    <savestates id="texte" date="1629830000" author="THE MATRIX">
      <space id="initial" date="1629830000" author="Jean Sirmai" sequence="0">
          <arrow x="0"  y="0" z="0" site="1" weight="1"/>
          <arrow x="1"  y="0" z="0" site="2" weight="1"/>

          <arrow x="10" y="0" z="0" site="1" weight="1"/>
          <arrow x="11" y="0" z="0" site="2" weight="1"/>

          <arrow x="20" y="0" z="0" site="1" weight="1"/>
          <arrow x="21" y="0" z="0" site="2" weight="1"/>

          <!-- Three dimers 1-1 are drawn in the global space
               at locations (0,1) (10,11) and (20,21) -->

      </space>

    </savestates>

    <!-- Model transitions definition (rules) -->
    <!-- In this version : <xs:sequence minOccurs="0" maxOccurs="unbounded">-->
    <!-- Transitions should be edited by hand and written in a 'human-readable' format -->

    <conditions id="random walk of dimers" date="1629822222" author="Jean">

        <condition x= "0" y="0" z="0" site="1" weight="1" node_id="1" parent="0"/>
        <condition x= "1" y="0" z="0" site="2" weight="1" node_id="2" parent="1"/>
        <!-- as soon as conditions 1 and 2 are satisfied, a dimer is identified at location (0,1). -->

        <condition x= "2" y="0" z="0" site="1" weight="0" node_id="3" parent="2"/>
        <!-- as soon as condition 3 is satisfied,
             the neighbouring space unit to East of the dimer is empty
             and the dimer identified by conditions (1,2)  can be moved to East. -->

        <condition x="-1" y="0" z="0" site="2" weight="0" node_id="4" parent="2"/>
        <!-- as soon as condition 4 is satisfied,
             the neighbouring space unit to West of the dimer is empty
             and  the dimer identified by conditions (1,2) can be moved to West. -->

    </conditions>

    <transitions>

      <transition id="move_a_dimer_to_east" date="1629811111" author="Jean"
                  parent="3" probability="1">

          <arrow x="0" y="0" z="0" site="1" weight="0"/>
          <arrow x="1" y="0" z="0" site="2" weight="0"/>
          <arrow x="1" y="0" z="0" site="1" weight="1"/>
          <arrow x="2" y="0" z="0" site="2" weight="1"/>

      </transition>

      <transition id="move_a_dimer_to_west" date="1629811112" author="Jean"
                  parent="4" probability="1">

          <arrow x= "0" y="0" z="0" site="1" weight="0"/>
          <arrow x= "1" y="0" z="0" site="2" weight="0"/>
          <arrow x= "0" y="0" z="0" site="2" weight="1"/>
          <arrow x="-1" y="0" z="0" site="1" weight="1"/>

      </transition>

    </transitions>

</gem-graph-model>