diff --git a/src/reflectionReconstruction/startReflectionReconstruction.cpp b/src/reflectionReconstruction/startReflectionReconstruction.cpp
index 281f3d4..340b35c 100644
--- a/src/reflectionReconstruction/startReflectionReconstruction.cpp
+++ b/src/reflectionReconstruction/startReflectionReconstruction.cpp
@@ -1,60 +1,99 @@
 #include "startReflectionReconstruction.h"
+#include "Function.h"
+#include "Function2D.h"
 #include "Function3D.h"
 #include "Matrix.h"
+#include "MatlabWriter.h"
 
+#include "common/getGeometryInfo.h"
 #include "common/precalculateChannelList.h"
 #include "common/dataBlockCreation/getAScanBlockPreprocessed.h"
+#include "common/dataBlockCreation/removeDataFromArrays.h"
 #include "reflectionReconstruction/preprocessData/determineOptimalPulse.h"
+#include "reflectionReconstruction/reconstructionSAFT/reconstructionSAFT.h"
+#include "src/reflectionReconstruction/preprocessData/preprocessAScanBlockForReflection.h"
 #include "config/config.h"
 
 #include "CudaEnvInit.h"
 
 #include <cstdio>
 #include <iostream>
-namespace Recon
+
+using namespace Aurora;
+using namespace Recon;
+
+Aurora::Matrix Recon::startReflectionReconstruction( Parser* aParser, int aSAFT_mode, const Aurora::Matrix& aMotorPos,
+                                              const Aurora::Matrix& aSlList, const Aurora::Matrix& aSnList,
+                                              const Aurora::Matrix& aRlList, const Aurora::Matrix& aRnList,
+                                              GeometryInfo& aGeom, TransRecos& aTransRecos,
+                                              MeasurementInfo& aExpInfo, PreComputes& aPreComputes)
 {
-    Aurora::Matrix startReflectionReconstruction(Parser* aParser, int SAFT_mode, const Aurora::Matrix &motorPos,
-        const Aurora::Matrix &slList, const Aurora::Matrix &snList,
-        const Aurora::Matrix &rlList, const Aurora::Matrix &rnList,
-        const Aurora::Matrix &geom, MeasurementInfo expInfo, PreComputes preComputes)
+    printf("Reflection reconstruction is carried out.");
+
+    printf("Preperations for reconstructions.");
+
+    printf("   - reset GPUs");
+    for (size_t i = 0; i < reflectParams::gpuSelectionList.getDataSize(); i++)
     {
-        printf("Reflection reconstruction is carried out.");
-
-        printf("Preperations for reconstructions.");
-
-        printf("   - reset GPUs");
-        for (size_t i = 0; i < reconParams::gpuSelectionList.getDataSize(); i++)
+        std::string msg;
+        if (!resetGPUDevice((int)reflectParams::gpuSelectionList[i],msg))
         {
-            std::string msg;
-            if (!resetGPUDevice((int)transParams::gpuSelectionList[i],msg))
-            {
-                std::cerr<<msg<<std::endl;
-            }
+            std::cerr<<msg<<std::endl;
         }
-        printf("   - optimal pulse");
-        if(reflectParams::useOptPulse==1 && reflectParams::runReflectionReco){
-            preComputes.sincPeak_ft = determineOptimalPulse(preComputes.timeInterval ,expInfo.expectedAScanLength);
-        }
-        printf("   - channel list");
-        auto channelList = precalculateChannelList(rlList, rnList, expInfo, preComputes);
-        size_t numScans = motorPos.getDataSize() * slList.getDataSize() *
-                          snList.getDataSize() * rlList.getDataSize() *
-                          rnList.getDataSize();
-        printf("   - blocking");
-        auto Env =  Aurora::zeros((int)reflectParams::imageXYZ[0],(int)reflectParams::imageXYZ[1],(int)reflectParams::imageXYZ[2]);
-
-        int numTakenScans = 0,numProcessedScans = 0,numPossibleScans = 0;
-        for(int i=0; i<motorPos.getDataSize(); ++i)
-        {
-            #pragma omp parallel for num_threads(24) 
-            for(int j=0; j<slList.getDataSize() / transParams::senderTASSize; ++j)
-            {
-                for(int k=0; k<snList.getDataSize() / transParams::senderElementSize; ++k)
-                {
-                    Aurora::Matrix mp = motorPos(i).toMatrix();
-                }
-            }
-        }
-        return Aurora::Matrix();
     }
+    printf("   - optimal pulse");
+    if(reflectParams::useOptPulse==1 && reflectParams::runReflectionReco)
+    {
+        aPreComputes.sincPeak_ft = determineOptimalPulse(aPreComputes.timeInterval, aExpInfo.expectedAScanLength);
+    }
+    printf("   - channel list");
+    auto channelList = precalculateChannelList(aRlList, aRnList, aExpInfo, aPreComputes);
+    size_t numScans = aMotorPos.getDataSize() * aSlList.getDataSize() *
+                      aSnList.getDataSize() * aRlList.getDataSize() *
+                      aRnList.getDataSize();
+    printf("   - blocking");
+    Matrix Env =  Aurora::zeros((int)reflectParams::imageXYZ[0],(int)reflectParams::imageXYZ[1],(int)reflectParams::imageXYZ[2]);
+
+    int numTakenScans = 0,numProcessedScans = 0,numPossibleScans = 0;
+    for(int i=0; i<aMotorPos.getDataSize(); ++i)
+    {
+        //#pragma omp parallel for num_threads(24)
+        for(int j=0; j<aSlList.getDataSize() / transParams::senderTASSize; ++j)
+        {
+            for(int k=0; k<aSnList.getDataSize() / transParams::senderElementSize; ++k)
+            {
+                Matrix mp = aMotorPos(i).toMatrix();
+                Matrix sl = aSlList.block(0, transParams::senderTASSize*j, transParams::senderTASSize*j+transParams::senderTASSize - 1);
+                Matrix sn = aSnList.block(0, transParams::senderElementSize*k, transParams::senderElementSize*k+transParams::senderElementSize - 1);
+                auto blockData = getAscanBlockPreprocessed(aParser, mp, sl, sn, aRlList, aRnList, aGeom, aExpInfo, true, false);
+                
+                double* channelListSizeData = Aurora::malloc(2);
+                channelListSizeData[0] = channelList.getDimSize(0);
+                channelListSizeData[1] = channelList.getDimSize(1);
+                Matrix channelListSize = Matrix::New(channelListSizeData, 2, 1);
+                Matrix ind = sub2ind(channelListSize, {blockData.rlBlock, blockData.rnBlock});
+                size_t channelBlockSize = ind.getDataSize();
+                double* channelBlockData = Aurora::malloc(channelBlockSize);
+                for(size_t i=0; i<channelBlockSize; ++i)
+                {
+                    channelBlockData[i] = channelList[ind[i] - 1];
+                }
+                Matrix channelBlock = Matrix::New(channelBlockData, 1, channelBlockSize);
+                auto preprocessData = preprocessAScanBlockForReflection(blockData.ascanBlockPreprocessed, blockData.mpBlock, blockData.slBlock,
+                                                                        blockData.snBlock, blockData.rlBlock, blockData.rnBlock, blockData.senderPositionBlock,
+                                                                        blockData.receiverPositionBlock, blockData.gainBlock, channelBlock, aExpInfo, aPreComputes);
+                Env = recontructSAFT(removeDataFromArrays(preprocessData.AscanBlock, preprocessData.usedData),
+                                          removeDataFromArrays(blockData.senderPositionBlock, preprocessData.usedData),
+                                          removeDataFromArrays(blockData.receiverPositionBlock, preprocessData.usedData),
+                                          removeDataFromArrays(blockData.mpBlock, preprocessData.usedData),
+                                          aSAFT_mode, aTransRecos, Env);
+
+            }
+        }
+    }
+
+    MatlabWriter m("/home/sun/Reflect.mat");
+    m.write(Env, "reflect");
+
+    return Aurora::Matrix();
 }
\ No newline at end of file
diff --git a/src/reflectionReconstruction/startReflectionReconstruction.h b/src/reflectionReconstruction/startReflectionReconstruction.h
index 5f682d2..cc55189 100644
--- a/src/reflectionReconstruction/startReflectionReconstruction.h
+++ b/src/reflectionReconstruction/startReflectionReconstruction.h
@@ -1,14 +1,15 @@
 #ifndef __STARTREFLECTIONRECONSTRUCTION_H__
 #define __STARTREFLECTIONRECONSTRUCTION_H__
 #include "Matrix.h"
+#include "common/getGeometryInfo.h"
 #include "transmissionReconstruction/detection/getTransmissionData.h"
 #include "reconstructionSAFT/reconstructionSAFT.h"
 namespace Recon {
 Aurora::Matrix startReflectionReconstruction(
-    Parser* aParser, int SAFT_mode, const Aurora::Matrix &motorPos,
-    const Aurora::Matrix &slList, const Aurora::Matrix &snList,
-    const Aurora::Matrix &rlList, const Aurora::Matrix &rnList,
-    const Aurora::Matrix &geom,TransRecosParams &transRecos,
-    MeasurementInfo expInfo, PreComputes preComputes);
+    Parser* aParser, int SAFT_mode, const Aurora::Matrix& motorPos,
+    const Aurora::Matrix& slList, const Aurora::Matrix& snList,
+    const Aurora::Matrix& rlList, const Aurora::Matrix& rnList,
+    GeometryInfo& geom, TransRecos& transRecos,
+    MeasurementInfo& expInfo, PreComputes& preComputes);
 }
 #endif // __STARTREFLECTIONRECONSTRUCTION_H__
\ No newline at end of file