Resolve "Implement ci_GEM"

Closes #20 (closed)

compact/ci_GEM.xml

@@ -42,9 +42,9 @@
     <comment>
       Central Ion GEM
     </comment>
-    <detector id="ci_GEM_id" name="ci_GEM" type="ci_GEM" insideTrackingVolume="false" vis="ci_GEMVis">
+    <detector id="ci_GEM_id" name="ci_GEM" type="ci_GEM" insideTrackingVolume="false" vis="ci_GEMVis" readout="ci_GEM_Hits">
 	    <material name="Ar10CO2"/>  
-      <dimensions rmin="ci_GEM_rin" rmax="ci_GEM_rout" z_length="ci_GEM_sizez" z_offset="ci_GEM_shiftz"	z="ci_GEM_posz" x="ci_GEM_posx" number="ci_GEM_nlayers" rmax1="ci_HCAL_lay_rin -1. * cm"/>
+      <dimensions rmin="ci_GEM_rin" rmax="ci_GEM_rout" z_length="ci_GEM_sizez" z_offset="ci_GEM_shiftz"	z="ci_GEM_posz" x="ci_GEM_posx" number="ci_GEM_nlayers" rmax1="ci_HCAL_lay_rin -1*cm"/>
       <layer id="0" z="-ci_GEM_sizez * 0.5 + (5 + 3. * 0) * cm" inner_r="ci_GEM_rin + (1. + 0.5 * 0) * cm" outer_r="ci_GEM_rout + (-25. + 2. * 0) * cm" dz="1 * cm" />
       <layer id="1" z="-ci_GEM_sizez * 0.5 + (5 + 3. * 1) * cm" inner_r="ci_GEM_rin + (1. + 0.5 * 1) * cm" outer_r="ci_GEM_rout + (-25. + 2. * 1) * cm" dz="1 * cm" />
       <layer id="2" z="-ci_GEM_sizez * 0.5 + (5 + 3. * 2) * cm" inner_r="ci_GEM_rin + (1. + 0.5 * 2) * cm" outer_r="ci_GEM_rout + (-25. + 2. * 2) * cm" dz="1 * cm" />
@@ -55,6 +55,13 @@
       <layer id="7" z="-ci_GEM_sizez * 0.5 + (5 + 3. * 7) * cm" inner_r="ci_GEM_rin + (1. + 0.5 * 7) * cm" outer_r="ci_GEM_rout + (-25. + 2. * 7) * cm" dz="1 * cm" />
     </detector>
   </detectors>
+  <readouts>
+    <readout name="ci_GEM_Hits">
+      <segmentation type="CartesianGridXY" grid_size_x="1.0*mm" grid_size_y="1.0*mm" />
+      <id>system:8,layer:8,x:32:-16,y:-16</id>  
+    </readout>
+  </readouts>
+
 
   <plugins>
   </plugins>