toXY.inx

<inkscape-extension>
  <_name>toXY</_name>
  <id>org.ekips.filter.toXY</id>
  <dependency type="executable" location="extensions">toXY.py</dependency>
  <dependency type="executable" location="extensions">inkex.py</dependency>
  <param name="title" type="description">This effect converts the nodes of a path into XY coordinates. Useful to extract number values out of graphs.</param>
  <param name="xmin" type="float" min="-1e+37" max="1e+37" precision="4" _gui-text="x min (lower left corner)">0.0</param>  
  <param name="ymin" type="float" min="-1e+37" max="1e+37" precision="4" _gui-text="y min (lower left corner)">0.0</param>  
  <param name="xmax" type="float" min="-1e+37" max="1e+37" precision="4" _gui-text="x max (upper right corner)">1.0</param>  
  <param name="ymax" type="float" min="-1e+37" max="1e+37" precision="4" _gui-text="y max (upper right corner)">1.0</param>  
  <param name="fontsize" type="int" min="1" max="1000" _gui-text="font size">10</param>
  <separator />
  <param name="write_output_file" type="boolean" gui-text="Write to output file?">false</param>
  <param type="path" name="output_file" gui-text="output file path" mode="file_new" [filetypes="$filetypes"]/>
<effect>
    <object-type>path</object-type>
    <effects-menu>
       <submenu _name="Generate from Path"/>
    </effects-menu>
  </effect>
  <script>
    <command reldir="extensions" interpreter="python">toXY.py</command>
  </script>
</inkscape-extension>