RSML

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    <version>1.0</version>
    <unit>pixel</unit>
    <resolution>1</resolution>
    <software>rhizoscan</software>
    <user/>
    <last-modified>2014-05-25T19:28:14.124385</last-modified>
    <file-key>beetroot_0</file-key>
    <image>
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      <name>examples/beetroot/beetroot_0.png</name>
      <captured>2014-05-25T18:51:16</captured>
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    <time-sequence>
      <label>beetroot</label>
      <index>0</index>
      <unified>true</unified>
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        <functions>
          <function name='diameter' domain='polyline'>
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        <annotations>
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            <value>intersection</value>
            <software>smartroot</software>
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