Anonymous

<head><version>1.7.4.1</version></head>
<Mean>
  <filter_size>9</filter_size>
</Mean>
<RGB_Filter>
  <min_value>40</min_value>
  <channel>4</channel>
</RGB_Filter>
<Center_of_Gravity>
  <show_coord>TRUE</show_coord>
  <color_index>2</color_index>
  <connect_line>FALSE</connect_line>
  <density>1</density>
  <overlay_source>FALSE</overlay_source>
  <show_box>TRUE</show_box>
  <box_size>9</box_size>
  <show_cog>TRUE</show_cog>
  <threshold>2</threshold>
</Center_of_Gravity>

int cog_x=Integer.parseInt(rr.getVariable("COG_X"));
gives 155 (the blob is in the center)