diff --git a/Detector/DetDriftChamber/CMakeLists.txt b/Detector/DetDriftChamber/CMakeLists.txt
new file mode 100644
index 0000000000000000000000000000000000000000..4a95aeec670ffdb3aa03e681041fb559964f2743
--- /dev/null
+++ b/Detector/DetDriftChamber/CMakeLists.txt
@@ -0,0 +1,37 @@
+###############################################################################
+# Package: DetDriftChamber
+# Based on package: lcgeo
+################################################################################
+gaudi_subdir(DetDriftChamber v0r0)
+
+gaudi_depends_on_subdirs(GaudiKernel)
+
+
+find_package(DD4hep COMPONENTS DDRec DDG4 DDParsers REQUIRED)
+find_package(Geant4)
+include(${Geant4_USE_FILE})
+
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${DD4hep_ROOT}/cmake )
+include( DD4hep )
+
+find_package(ROOT COMPONENTS MathCore GenVector Geom REQUIRED)
+
+install(DIRECTORY ${CMAKE_CURRENT_LIST_DIR}/compact DESTINATION Detector/DetDriftChamber)
+
+set(DetDriftChamber_src
+ src/driftchamber/DriftChamber.cpp
+)
+
+gaudi_add_module(DetDriftChamber
+ ${DetDriftChamber_src}
+ INCLUDE_DIRS
+ # DD4hep ROOT Geant4 src/include
+ LINK_LIBRARIES
+ # GaudiKernel
+ DD4hep ${DD4hep_COMPONENT_LIBRARIES}
+ # ROOT Geant4
+)
+
+set(LIBRARY_OUTPUT_PATH ${CMAKE_LIBRARY_OUTPUT_DIRECTORY})
+message(STATUS "LIBRARY_OUTPUT_PATH -> ${LIBRARY_OUTPUT_PATH}")
+dd4hep_generate_rootmap(DetDriftChamber)
diff --git a/Detector/DetDriftChamber/compact/det.xml b/Detector/DetDriftChamber/compact/det.xml
new file mode 100644
index 0000000000000000000000000000000000000000..d288eb89c1bb81765878befcd67c589ec28e064a
--- /dev/null
+++ b/Detector/DetDriftChamber/compact/det.xml
@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<lccdd>
+
+ <info name="DriftChamber"
+ title="Test with Drift Chamber"
+ author="Tao Lin"
+ url="http://github.com/cepc/CEPCSW"
+ status="development"
+ version="v0">
+ <comment>Test with Drift Chamber</comment>
+ </info>
+
+ <includes>
+ <gdmlFile ref="elements.xml"/>
+ <gdmlFile ref="materials.xml"/>
+ </includes>
+
+ <define>
+ <constant name="world_size" value="30*m"/>
+ <constant name="world_x" value="world_size"/>
+ <constant name="world_y" value="world_size"/>
+ <constant name="world_z" value="world_size"/>
+ </define>
+
+ <display>
+ <vis name="Invisible" showDaughters="false" visible="false"/>
+ <vis name="InvisibleWithChildren" showDaughters="true" visible="false"/>
+ <vis name="VisibleRed" r="1.0" g="0.0" b="0.0" showDaughters="true" visible="true"/>
+ <vis name="VisibleBlue" r="0.0" g="0.0" b="1.0" showDaughters="false" visible="true"/>
+ <vis name="VisibleGreen" alpha="1.0" r="0.0" g="1.0" b="0.0" drawingStyle="solid" lineStyle="solid" showDaughters="true" visible="true"/>
+ </display>
+
+ <detectors>
+ <detector id="1" name="DriftChamber" type="DriftChamber" readout="DriftChamberHitsCollection" vis="VisibleBlue" sensitive="true">
+ <!-- Use cm as unit if you want to use Pandora for reconstruction -->
+ </detector>
+ </detectors>
+
+ <readouts>
+ <readout name="DriftChamberHitsCollection">
+ <!-- <segmentation type="NoSegmentation"/> -->
+
+ <segmentation type="CartesianGridXYZ"
+ grid_size_x="1*cm"
+ grid_size_y="1*cm"
+ grid_size_z="1*cm"/>
+ <id>system:8,x:32:-10,y:-10,z:-12</id>
+ </readout>
+ </readouts>
+
+</lccdd>
diff --git a/Detector/DetDriftChamber/compact/elements.xml b/Detector/DetDriftChamber/compact/elements.xml
new file mode 100644
index 0000000000000000000000000000000000000000..e714c3a5cd544e748dd2941967cff515c0b77efc
--- /dev/null
+++ b/Detector/DetDriftChamber/compact/elements.xml
@@ -0,0 +1,884 @@
+<materials>
+ <element Z="89" formula="Ac" name="Ac" >
+ <atom type="A" unit="g/mol" value="227.028" />
+ </element>
+ <material formula="Ac" name="Actinium" state="solid" >
+ <RL type="X0" unit="cm" value="0.601558" />
+ <NIL type="lambda" unit="cm" value="21.2048" />
+ <D type="density" unit="g/cm3" value="10.07" />
+ <composite n="1" ref="Ac" />
+ </material>
+ <element Z="47" formula="Ag" name="Ag" >
+ <atom type="A" unit="g/mol" value="107.868" />
+ </element>
+ <material formula="Ag" name="Silver" state="solid" >
+ <RL type="X0" unit="cm" value="0.854292" />
+ <NIL type="lambda" unit="cm" value="15.8546" />
+ <D type="density" unit="g/cm3" value="10.5" />
+ <composite n="1" ref="Ag" />
+ </material>
+ <element Z="13" formula="Al" name="Al" >
+ <atom type="A" unit="g/mol" value="26.9815" />
+ </element>
+ <material formula="Al" name="Aluminum" state="solid" >
+ <RL type="X0" unit="cm" value="8.89632" />
+ <NIL type="lambda" unit="cm" value="38.8766" />
+ <D type="density" unit="g/cm3" value="2.699" />
+ <composite n="1" ref="Al" />
+ </material>
+ <element Z="95" formula="Am" name="Am" >
+ <atom type="A" unit="g/mol" value="243.061" />
+ </element>
+ <material formula="Am" name="Americium" state="solid" >
+ <RL type="X0" unit="cm" value="0.42431" />
+ <NIL type="lambda" unit="cm" value="15.9812" />
+ <D type="density" unit="g/cm3" value="13.67" />
+ <composite n="1" ref="Am" />
+ </material>
+ <element Z="18" formula="Ar" name="Ar" >
+ <atom type="A" unit="g/mol" value="39.9477" />
+ </element>
+ <material formula="Ar" name="Argon" state="gas" >
+ <RL type="X0" unit="cm" value="11762.1" />
+ <NIL type="lambda" unit="cm" value="71926" />
+ <D type="density" unit="g/cm3" value="0.00166201" />
+ <composite n="1" ref="Ar" />
+ </material>
+ <element Z="33" formula="As" name="As" >
+ <atom type="A" unit="g/mol" value="74.9216" />
+ </element>
+ <material formula="As" name="Arsenic" state="solid" >
+ <RL type="X0" unit="cm" value="2.0838" />
+ <NIL type="lambda" unit="cm" value="25.7324" />
+ <D type="density" unit="g/cm3" value="5.73" />
+ <composite n="1" ref="As" />
+ </material>
+ <element Z="85" formula="At" name="At" >
+ <atom type="A" unit="g/mol" value="209.987" />
+ </element>
+ <material formula="At" name="Astatine" state="solid" >
+ <RL type="X0" unit="cm" value="0.650799" />
+ <NIL type="lambda" unit="cm" value="22.3202" />
+ <D type="density" unit="g/cm3" value="9.32" />
+ <composite n="1" ref="At" />
+ </material>
+ <element Z="79" formula="Au" name="Au" >
+ <atom type="A" unit="g/mol" value="196.967" />
+ </element>
+ <material formula="Au" name="Gold" state="solid" >
+ <RL type="X0" unit="cm" value="0.334436" />
+ <NIL type="lambda" unit="cm" value="10.5393" />
+ <D type="density" unit="g/cm3" value="19.32" />
+ <composite n="1" ref="Au" />
+ </material>
+ <element Z="5" formula="B" name="B" >
+ <atom type="A" unit="g/mol" value="10.811" />
+ </element>
+ <material formula="B" name="Boron" state="solid" >
+ <RL type="X0" unit="cm" value="22.2307" />
+ <NIL type="lambda" unit="cm" value="32.2793" />
+ <D type="density" unit="g/cm3" value="2.37" />
+ <composite n="1" ref="B" />
+ </material>
+ <element Z="56" formula="Ba" name="Ba" >
+ <atom type="A" unit="g/mol" value="137.327" />
+ </element>
+ <material formula="Ba" name="Barium" state="solid" >
+ <RL type="X0" unit="cm" value="2.37332" />
+ <NIL type="lambda" unit="cm" value="51.6743" />
+ <D type="density" unit="g/cm3" value="3.5" />
+ <composite n="1" ref="Ba" />
+ </material>
+ <element Z="4" formula="Be" name="Be" >
+ <atom type="A" unit="g/mol" value="9.01218" />
+ </element>
+ <material formula="Be" name="Beryllium" state="solid" >
+ <RL type="X0" unit="cm" value="35.276" />
+ <NIL type="lambda" unit="cm" value="39.4488" />
+ <D type="density" unit="g/cm3" value="1.848" />
+ <composite n="1" ref="Be" />
+ </material>
+ <element Z="83" formula="Bi" name="Bi" >
+ <atom type="A" unit="g/mol" value="208.98" />
+ </element>
+ <material formula="Bi" name="Bismuth" state="solid" >
+ <RL type="X0" unit="cm" value="0.645388" />
+ <NIL type="lambda" unit="cm" value="21.3078" />
+ <D type="density" unit="g/cm3" value="9.747" />
+ <composite n="1" ref="Bi" />
+ </material>
+ <element Z="97" formula="Bk" name="Bk" >
+ <atom type="A" unit="g/mol" value="247.07" />
+ </element>
+ <material formula="Bk" name="Berkelium" state="solid" >
+ <RL type="X0" unit="cm" value="0.406479" />
+ <NIL type="lambda" unit="cm" value="15.6902" />
+ <D type="density" unit="g/cm3" value="14" />
+ <composite n="1" ref="Bk" />
+ </material>
+ <element Z="35" formula="Br" name="Br" >
+ <atom type="A" unit="g/mol" value="79.9035" />
+ </element>
+ <material formula="Br" name="Bromine" state="gas" >
+ <RL type="X0" unit="cm" value="1615.12" />
+ <NIL type="lambda" unit="cm" value="21299" />
+ <D type="density" unit="g/cm3" value="0.0070721" />
+ <composite n="1" ref="Br" />
+ </material>
+ <element Z="6" formula="C" name="C" >
+ <atom type="A" unit="g/mol" value="12.0107" />
+ </element>
+ <material formula="C" name="Carbon" state="solid" >
+ <RL type="X0" unit="cm" value="21.3485" />
+ <NIL type="lambda" unit="cm" value="40.1008" />
+ <D type="density" unit="g/cm3" value="2" />
+ <composite n="1" ref="C" />
+ </material>
+ <element Z="20" formula="Ca" name="Ca" >
+ <atom type="A" unit="g/mol" value="40.078" />
+ </element>
+ <material formula="Ca" name="Calcium" state="solid" >
+ <RL type="X0" unit="cm" value="10.4151" />
+ <NIL type="lambda" unit="cm" value="77.3754" />
+ <D type="density" unit="g/cm3" value="1.55" />
+ <composite n="1" ref="Ca" />
+ </material>
+ <element Z="48" formula="Cd" name="Cd" >
+ <atom type="A" unit="g/mol" value="112.411" />
+ </element>
+ <material formula="Cd" name="Cadmium" state="solid" >
+ <RL type="X0" unit="cm" value="1.03994" />
+ <NIL type="lambda" unit="cm" value="19.46" />
+ <D type="density" unit="g/cm3" value="8.65" />
+ <composite n="1" ref="Cd" />
+ </material>
+ <element Z="58" formula="Ce" name="Ce" >
+ <atom type="A" unit="g/mol" value="140.115" />
+ </element>
+ <material formula="Ce" name="Cerium" state="solid" >
+ <RL type="X0" unit="cm" value="1.19506" />
+ <NIL type="lambda" unit="cm" value="27.3227" />
+ <D type="density" unit="g/cm3" value="6.657" />
+ <composite n="1" ref="Ce" />
+ </material>
+ <element Z="98" formula="Cf" name="Cf" >
+ <atom type="A" unit="g/mol" value="251.08" />
+ </element>
+ <material formula="Cf" name="Californium" state="solid" >
+ <RL type="X0" unit="cm" value="0.568328" />
+ <NIL type="lambda" unit="cm" value="22.085" />
+ <D type="density" unit="g/cm3" value="10" />
+ <composite n="1" ref="Cf" />
+ </material>
+ <element Z="17" formula="Cl" name="Cl" >
+ <atom type="A" unit="g/mol" value="35.4526" />
+ </element>
+ <material formula="Cl" name="Chlorine" state="gas" >
+ <RL type="X0" unit="cm" value="6437.34" />
+ <NIL type="lambda" unit="cm" value="38723.9" />
+ <D type="density" unit="g/cm3" value="0.00299473" />
+ <composite n="1" ref="Cl" />
+ </material>
+ <element Z="96" formula="Cm" name="Cm" >
+ <atom type="A" unit="g/mol" value="247.07" />
+ </element>
+ <material formula="Cm" name="Curium" state="solid" >
+ <RL type="X0" unit="cm" value="0.428706" />
+ <NIL type="lambda" unit="cm" value="16.2593" />
+ <D type="density" unit="g/cm3" value="13.51" />
+ <composite n="1" ref="Cm" />
+ </material>
+ <element Z="27" formula="Co" name="Co" >
+ <atom type="A" unit="g/mol" value="58.9332" />
+ </element>
+ <material formula="Co" name="Cobalt" state="solid" >
+ <RL type="X0" unit="cm" value="1.53005" />
+ <NIL type="lambda" unit="cm" value="15.2922" />
+ <D type="density" unit="g/cm3" value="8.9" />
+ <composite n="1" ref="Co" />
+ </material>
+ <element Z="24" formula="Cr" name="Cr" >
+ <atom type="A" unit="g/mol" value="51.9961" />
+ </element>
+ <material formula="Cr" name="Chromium" state="solid" >
+ <RL type="X0" unit="cm" value="2.0814" />
+ <NIL type="lambda" unit="cm" value="18.1933" />
+ <D type="density" unit="g/cm3" value="7.18" />
+ <composite n="1" ref="Cr" />
+ </material>
+ <element Z="55" formula="Cs" name="Cs" >
+ <atom type="A" unit="g/mol" value="132.905" />
+ </element>
+ <material formula="Cs" name="Cesium" state="solid" >
+ <RL type="X0" unit="cm" value="4.4342" />
+ <NIL type="lambda" unit="cm" value="95.317" />
+ <D type="density" unit="g/cm3" value="1.873" />
+ <composite n="1" ref="Cs" />
+ </material>
+ <element Z="29" formula="Cu" name="Cu" >
+ <atom type="A" unit="g/mol" value="63.5456" />
+ </element>
+ <material formula="Cu" name="Copper" state="solid" >
+ <RL type="X0" unit="cm" value="1.43558" />
+ <NIL type="lambda" unit="cm" value="15.5141" />
+ <D type="density" unit="g/cm3" value="8.96" />
+ <composite n="1" ref="Cu" />
+ </material>
+ <element Z="66" formula="Dy" name="Dy" >
+ <atom type="A" unit="g/mol" value="162.497" />
+ </element>
+ <material formula="Dy" name="Dysprosium" state="solid" >
+ <RL type="X0" unit="cm" value="0.85614" />
+ <NIL type="lambda" unit="cm" value="22.2923" />
+ <D type="density" unit="g/cm3" value="8.55" />
+ <composite n="1" ref="Dy" />
+ </material>
+ <element Z="68" formula="Er" name="Er" >
+ <atom type="A" unit="g/mol" value="167.256" />
+ </element>
+ <material formula="Er" name="Erbium" state="solid" >
+ <RL type="X0" unit="cm" value="0.788094" />
+ <NIL type="lambda" unit="cm" value="21.2923" />
+ <D type="density" unit="g/cm3" value="9.066" />
+ <composite n="1" ref="Er" />
+ </material>
+ <element Z="63" formula="Eu" name="Eu" >
+ <atom type="A" unit="g/mol" value="151.964" />
+ </element>
+ <material formula="Eu" name="Europium" state="solid" >
+ <RL type="X0" unit="cm" value="1.41868" />
+ <NIL type="lambda" unit="cm" value="35.6178" />
+ <D type="density" unit="g/cm3" value="5.243" />
+ <composite n="1" ref="Eu" />
+ </material>
+ <element Z="9" formula="F" name="F" >
+ <atom type="A" unit="g/mol" value="18.9984" />
+ </element>
+ <material formula="F" name="Fluorine" state="gas" >
+ <RL type="X0" unit="cm" value="20838.2" />
+ <NIL type="lambda" unit="cm" value="59094.3" />
+ <D type="density" unit="g/cm3" value="0.00158029" />
+ <composite n="1" ref="F" />
+ </material>
+ <element Z="26" formula="Fe" name="Fe" >
+ <atom type="A" unit="g/mol" value="55.8451" />
+ </element>
+ <material formula="Fe" name="Iron" state="solid" >
+ <RL type="X0" unit="cm" value="1.75749" />
+ <NIL type="lambda" unit="cm" value="16.959" />
+ <D type="density" unit="g/cm3" value="7.874" />
+ <composite n="1" ref="Fe" />
+ </material>
+ <element Z="87" formula="Fr" name="Fr" >
+ <atom type="A" unit="g/mol" value="223.02" />
+ </element>
+ <material formula="Fr" name="Francium" state="solid" >
+ <RL type="X0" unit="cm" value="6.18826" />
+ <NIL type="lambda" unit="cm" value="212.263" />
+ <D type="density" unit="g/cm3" value="1" />
+ <composite n="1" ref="Fr" />
+ </material>
+ <element Z="31" formula="Ga" name="Ga" >
+ <atom type="A" unit="g/mol" value="69.7231" />
+ </element>
+ <material formula="Ga" name="Gallium" state="solid" >
+ <RL type="X0" unit="cm" value="2.1128" />
+ <NIL type="lambda" unit="cm" value="24.3351" />
+ <D type="density" unit="g/cm3" value="5.904" />
+ <composite n="1" ref="Ga" />
+ </material>
+ <element Z="64" formula="Gd" name="Gd" >
+ <atom type="A" unit="g/mol" value="157.252" />
+ </element>
+ <material formula="Gd" name="Gadolinium" state="solid" >
+ <RL type="X0" unit="cm" value="0.947208" />
+ <NIL type="lambda" unit="cm" value="23.9377" />
+ <D type="density" unit="g/cm3" value="7.9004" />
+ <composite n="1" ref="Gd" />
+ </material>
+ <element Z="32" formula="Ge" name="Ge" >
+ <atom type="A" unit="g/mol" value="72.6128" />
+ </element>
+ <material formula="Ge" name="Germanium" state="solid" >
+ <RL type="X0" unit="cm" value="2.3013" />
+ <NIL type="lambda" unit="cm" value="27.3344" />
+ <D type="density" unit="g/cm3" value="5.323" />
+ <composite n="1" ref="Ge" />
+ </material>
+ <element Z="1" formula="H" name="H" >
+ <atom type="A" unit="g/mol" value="1.00794" />
+ </element>
+ <material formula="H" name="Hydrogen" state="gas" >
+ <RL type="X0" unit="cm" value="752776" />
+ <NIL type="lambda" unit="cm" value="421239" />
+ <D type="density" unit="g/cm3" value="8.3748e-05" />
+ <composite n="1" ref="H" />
+ </material>
+ <element Z="2" formula="He" name="He" >
+ <atom type="A" unit="g/mol" value="4.00264" />
+ </element>
+ <material formula="He" name="Helium" state="gas" >
+ <RL type="X0" unit="cm" value="567113" />
+ <NIL type="lambda" unit="cm" value="334266" />
+ <D type="density" unit="g/cm3" value="0.000166322" />
+ <composite n="1" ref="He" />
+ </material>
+ <element Z="72" formula="Hf" name="Hf" >
+ <atom type="A" unit="g/mol" value="178.485" />
+ </element>
+ <material formula="Hf" name="Hafnium" state="solid" >
+ <RL type="X0" unit="cm" value="0.517717" />
+ <NIL type="lambda" unit="cm" value="14.7771" />
+ <D type="density" unit="g/cm3" value="13.31" />
+ <composite n="1" ref="Hf" />
+ </material>
+ <element Z="80" formula="Hg" name="Hg" >
+ <atom type="A" unit="g/mol" value="200.599" />
+ </element>
+ <material formula="Hg" name="Mercury" state="solid" >
+ <RL type="X0" unit="cm" value="0.475241" />
+ <NIL type="lambda" unit="cm" value="15.105" />
+ <D type="density" unit="g/cm3" value="13.546" />
+ <composite n="1" ref="Hg" />
+ </material>
+ <element Z="67" formula="Ho" name="Ho" >
+ <atom type="A" unit="g/mol" value="164.93" />
+ </element>
+ <material formula="Ho" name="Holmium" state="solid" >
+ <RL type="X0" unit="cm" value="0.822447" />
+ <NIL type="lambda" unit="cm" value="21.8177" />
+ <D type="density" unit="g/cm3" value="8.795" />
+ <composite n="1" ref="Ho" />
+ </material>
+ <element Z="53" formula="I" name="I" >
+ <atom type="A" unit="g/mol" value="126.904" />
+ </element>
+ <material formula="I" name="Iodine" state="solid" >
+ <RL type="X0" unit="cm" value="1.72016" />
+ <NIL type="lambda" unit="cm" value="35.6583" />
+ <D type="density" unit="g/cm3" value="4.93" />
+ <composite n="1" ref="I" />
+ </material>
+ <element Z="49" formula="In" name="In" >
+ <atom type="A" unit="g/mol" value="114.818" />
+ </element>
+ <material formula="In" name="Indium" state="solid" >
+ <RL type="X0" unit="cm" value="1.21055" />
+ <NIL type="lambda" unit="cm" value="23.2468" />
+ <D type="density" unit="g/cm3" value="7.31" />
+ <composite n="1" ref="In" />
+ </material>
+ <element Z="77" formula="Ir" name="Ir" >
+ <atom type="A" unit="g/mol" value="192.216" />
+ </element>
+ <material formula="Ir" name="Iridium" state="solid" >
+ <RL type="X0" unit="cm" value="0.294142" />
+ <NIL type="lambda" unit="cm" value="9.01616" />
+ <D type="density" unit="g/cm3" value="22.42" />
+ <composite n="1" ref="Ir" />
+ </material>
+ <element Z="19" formula="K" name="K" >
+ <atom type="A" unit="g/mol" value="39.0983" />
+ </element>
+ <material formula="K" name="Potassium" state="solid" >
+ <RL type="X0" unit="cm" value="20.0871" />
+ <NIL type="lambda" unit="cm" value="138.041" />
+ <D type="density" unit="g/cm3" value="0.862" />
+ <composite n="1" ref="K" />
+ </material>
+ <element Z="36" formula="Kr" name="Kr" >
+ <atom type="A" unit="g/mol" value="83.7993" />
+ </element>
+ <material formula="Kr" name="Krypton" state="gas" >
+ <RL type="X0" unit="cm" value="3269.44" />
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+ <composite n="1" ref="Yb" />
+ </material>
+ <element Z="30" formula="Zn" name="Zn" >
+ <atom type="A" unit="g/mol" value="65.3955" />
+ </element>
+ <material formula="Zn" name="Zinc" state="solid" >
+ <RL type="X0" unit="cm" value="1.74286" />
+ <NIL type="lambda" unit="cm" value="19.8488" />
+ <D type="density" unit="g/cm3" value="7.133" />
+ <composite n="1" ref="Zn" />
+ </material>
+ <element Z="40" formula="Zr" name="Zr" >
+ <atom type="A" unit="g/mol" value="91.2236" />
+ </element>
+ <material formula="Zr" name="Zirconium" state="solid" >
+ <RL type="X0" unit="cm" value="1.56707" />
+ <NIL type="lambda" unit="cm" value="24.2568" />
+ <D type="density" unit="g/cm3" value="6.506" />
+ <composite n="1" ref="Zr" />
+ </material>
+</materials>
\ No newline at end of file
diff --git a/Detector/DetDriftChamber/compact/materials.xml b/Detector/DetDriftChamber/compact/materials.xml
new file mode 100644
index 0000000000000000000000000000000000000000..a86e3c48cccd159c8fa873bf65f60c66bc6378de
--- /dev/null
+++ b/Detector/DetDriftChamber/compact/materials.xml
@@ -0,0 +1,152 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<materials>
+
+ <!--
+ Air by weight from
+
+ http://www.engineeringtoolbox.com/air-composition-24_212.html
+ -->
+ <material name="Air">
+ <D type="density" unit="g/cm3" value="0.0012"/>
+ <fraction n="0.754" ref="N"/>
+ <fraction n="0.234" ref="O"/>
+ <fraction n="0.012" ref="Ar"/>
+ </material>
+
+ <!-- We model vakuum just as very thin air -->
+ <material name="Vacuum">
+ <D type="density" unit="g/cm3" value="0.0000000001" />
+ <fraction n="0.754" ref="N"/>
+ <fraction n="0.234" ref="O"/>
+ <fraction n="0.012" ref="Ar"/>
+ </material>
+
+ <material name="Epoxy">
+ <D type="density" value="1.3" unit="g/cm3"/>
+ <composite n="44" ref="H"/>
+ <composite n="15" ref="C"/>
+ <composite n="7" ref="O"/>
+ </material>
+
+ <material name="Quartz">
+ <D type="density" value="2.2" unit="g/cm3"/>
+ <composite n="1" ref="Si"/>
+ <composite n="2" ref="O"/>
+ </material>
+
+ <material name="G10">
+ <D type="density" value="1.7" unit="g/cm3"/>
+ <fraction n="0.08" ref="Cl"/>
+ <fraction n="0.773" ref="Quartz"/>
+ <fraction n="0.147" ref="Epoxy"/>
+ </material>
+
+ <material name="Polystyrene">
+ <D value="1.032" unit="g/cm3"/>
+ <composite n="19" ref="C"/>
+ <composite n="21" ref="H"/>
+ </material>
+
+ <material name="Steel235">
+ <D value="7.85" unit="g/cm3"/>
+ <fraction n="0.998" ref="Fe"/>
+ <fraction n=".002" ref="C"/>
+ </material>
+
+ <material name="SiliconOxide">
+ <D type="density" value="2.65" unit="g/cm3"/>
+ <composite n="1" ref="Si"/>
+ <composite n="2" ref="O"/>
+ </material>
+
+ <material name="BoronOxide">
+ <D type="density" value="2.46" unit="g/cm3"/>
+ <composite n="2" ref="B"/>
+ <composite n="3" ref="O"/>
+ </material>
+
+ <material name="SodiumOxide">
+ <D type="density" value="2.65" unit="g/cm3"/>
+ <composite n="2" ref="Na"/>
+ <composite n="1" ref="O"/>
+ </material>
+
+ <material name="AluminumOxide">
+ <D type="density" value="3.89" unit="g/cm3"/>
+ <composite n="2" ref="Al"/>
+ <composite n="3" ref="O"/>
+ </material>
+
+ <material name="PyrexGlass">
+ <D type="density" value="2.23" unit="g/cm3"/>
+ <fraction n="0.806" ref="SiliconOxide"/>
+ <fraction n="0.130" ref="BoronOxide"/>
+ <fraction n="0.040" ref="SodiumOxide"/>
+ <fraction n="0.023" ref="AluminumOxide"/>
+ </material>
+
+ <material name="CarbonFiber">
+ <D type="density" value="1.5" unit="g/cm3"/>
+ <fraction n="0.65" ref="C"/>
+ <fraction n="0.35" ref="Epoxy"/>
+ </material>
+
+ <material name="CarbonFiber_50D">
+ <D type="density" value="0.75" unit="g/cm3"/>
+ <fraction n="0.65" ref="C"/>
+ <fraction n="0.35" ref="Epoxy"/>
+ </material>
+
+ <material name="Rohacell31">
+ <D type="density" value="0.032" unit="g/cm3"/>
+ <composite n="9" ref="C"/>
+ <composite n="13" ref="H"/>
+ <composite n="2" ref="O"/>
+ <composite n="1" ref="N"/>
+ </material>
+
+ <material name="Rohacell31_50D">
+ <D type="density" value="0.016" unit="g/cm3"/>
+ <composite n="9" ref="C"/>
+ <composite n="13" ref="H"/>
+ <composite n="2" ref="O"/>
+ <composite n="1" ref="N"/>
+ </material>
+
+ <material name="RPCGasDefault" state="gas">
+ <D type="density" value="0.0037" unit="g/cm3"/>
+ <composite n="209" ref="C"/>
+ <composite n="239" ref="H"/>
+ <composite n="381" ref="F"/>
+ </material>
+
+ <material name="PolystyreneFoam">
+ <D type="density" value="0.0056" unit="g/cm3"/>
+ <fraction n="1.0" ref="Polystyrene"/>
+ </material>
+
+ <material name="Kapton">
+ <D value="1.43" unit="g/cm3" />
+ <composite n="22" ref="C"/>
+ <composite n="10" ref="H" />
+ <composite n="2" ref="N" />
+ <composite n="5" ref="O" />
+ </material>
+
+ <material name="PEEK">
+ <D value="1.37" unit="g/cm3" />
+ <composite n="19" ref="C"/>
+ <composite n="12" ref="H" />
+ <composite n="3" ref="O" />
+ </material>
+
+ <material name="G4_BGO" state="solid">
+ <MEE unit="eV" value="534.1"/>
+ <D value="7.13" unit="g/cm3" />
+ <fraction n="0.154126" ref="O"/>
+ <fraction n="0.174820" ref="Ge" />
+ <fraction n="0.671054" ref="Bi" />
+ </material>
+
+
+</materials>
diff --git a/Detector/DetDriftChamber/src/driftchamber/DriftChamber.cpp b/Detector/DetDriftChamber/src/driftchamber/DriftChamber.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..2f75d47094333253d4c9f5bb42320f376a83f516
--- /dev/null
+++ b/Detector/DetDriftChamber/src/driftchamber/DriftChamber.cpp
@@ -0,0 +1,56 @@
+//====================================================================
+// Detector description implementation of the Drift Chamber
+//--------------------------------------------------------------------
+//
+// Author: Tao Lin
+//
+//====================================================================
+
+#include "DD4hep/DetFactoryHelper.h"
+#include "XML/Layering.h"
+#include "XML/Utilities.h"
+#include "DDRec/DetectorData.h"
+#include "DDSegmentation/Segmentation.h"
+
+#define MYDEBUG(x) std::cout << __FILE__ << ":" << __LINE__ << ": " << x << std::endl;
+#define MYDEBUGVAL(x) std::cout << __FILE__ << ":" << __LINE__ << ": " << #x << ": " << x << std::endl;
+
+static dd4hep::Ref_t create_detector(dd4hep::Detector& theDetector,
+ xml_h e,
+ dd4hep::SensitiveDetector sens) {
+ xml_det_t x_det = e;
+
+ std::string det_name = x_det.nameStr();
+ std::string det_type = x_det.typeStr();
+
+ dd4hep::DetElement sdet(det_name, x_det.id());
+
+ dd4hep::Volume motherVol = theDetector.pickMotherVolume(sdet);
+
+ dd4hep::Material det_mat(theDetector.material("Air"));
+
+ dd4hep::Tube det_solid(23.5, 171.6, 222.5);
+ dd4hep::Volume det_vol(det_name+"_vol", det_solid, det_mat);
+
+ dd4hep::Transform3D transform(dd4hep::Rotation3D(),
+ dd4hep::Position(0,0,0));
+ dd4hep::PlacedVolume phv = motherVol.placeVolume(det_vol,transform);
+
+ if ( x_det.isSensitive() ) {
+ dd4hep::SensitiveDetector sd = sens;
+ det_vol.setSensitiveDetector(sens);
+ sd.setType("tracker");
+ }
+
+ if ( x_det.hasAttr(_U(id)) ) {
+ phv.addPhysVolID("system",x_det.id());
+ }
+
+ sdet.setPlacement(phv);
+
+ MYDEBUG("Build Detector Drift Chamber successfully.");
+ return sdet;
+
+}
+
+DECLARE_DETELEMENT(DriftChamber, create_detector);