diff --git a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
index c1ba4aa5c..f2af190cd 100644
--- a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
+++ b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.cpp
@@ -322,7 +322,7 @@ int multiSlsDetector::addSlsDetector(int id, int pos) {
   thisMultiDetector->dataBytes+=detectors[pos]->getDataBytes();
  
   thisMultiDetector->numberOfChannels+=detectors[pos]->getTotalNumberOfChannels();
-  thisMultiDetector->maxNumberOfChannels+=detectors[j]->getMaxNumberOfChannels();
+  thisMultiDetector->maxNumberOfChannels+=detectors[pos]->getMaxNumberOfChannels();
 
 
 
@@ -3466,6 +3466,21 @@ int multiSlsDetector::getMaxMods() {
 }
 
 
+
+
+  int multiSlsDetector::getTotalNumberOfChannels(){thisMultiDetector->numberOfChannels=0; for (int id=0; id< thisMultiDetector->numberOfDetectors; id++) thisMultiDetector->numberOfChannels+=detectors[id]->getTotalNumberOfChannels(); return thisMultiDetector->numberOfChannels;};
+
+  int multiSlsDetector::getTotalNumberOfChannels(dimension d){thisMultiDetector->numberOfChannel[d]=0; for (int id=0; id< thisMultiDetector->numberOfDetectors; id++) thisMultiDetector->numberOfChannel[d]+=detectors[id]->getTotalNumberOfChannels(d); return thisMultiDetector->numberOfChannel[d];};
+
+  int multiSlsDetector::getMaxNumberOfChannels(){thisMultiDetector->maxNumberOfChannels=0; for (int id=0; id< thisMultiDetector->numberOfDetectors; id++) thisMultiDetector->maxNumberOfChannels+=detectors[id]->getMaxNumberOfChannels();return thisMultiDetector->maxNumberOfChannels;};
+
+  int multiSlsDetector::getMaxNumberOfChannels(dimension d){thisMultiDetector->maxNumberOfChannel[d]=0; for (int id=0; id< thisMultiDetector->numberOfDetectors; id++) thisMultiDetector->maxNumberOfChannel[d]+=detectors[id]->getMaxNumberOfChannels(d);return thisMultiDetector->maxNumberOfChannel[d];};
+
+
+
+
+
+
 int multiSlsDetector::getMaxMod(dimension d){
 
   int ret=0, ret1;
@@ -4014,7 +4029,7 @@ int multiSlsDetector::writeConfigurationFile(string const fname){
 int multiSlsDetector::writeDataFile(string fname, double *data, double *err, double *ang, char dataformat, int nch) {
 
 #ifdef VERBOSE
-  cout << "using overloaded multiSlsDetector function to write formatted data file " << endl;
+  cout << "using overloaded multiSlsDetector function to write formatted data file " << getTotalNumberOfChannels()<< endl;
 #endif
 
 
@@ -4044,7 +4059,8 @@ int multiSlsDetector::writeDataFile(string fname, double *data, double *err, dou
 #ifdef VERBOSE
 	  cout << " write " << i << " position " << off << " offset " << choff << endl;
 #endif
-	  detectors[i]->writeDataFile(outfile,n, data+off, pe, pa, dataformat, choff);
+	  //detectors[i]->writeDataFile(outfile,n, data+off, pe, pa, dataformat, choff);
+	  fileIOStatic::writeDataFile(outfile,n, data+off, pe, pa, dataformat, choff);
 	  if(detectors[i]->getErrorMask())
 	    setErrorMask(getErrorMask()|(1<<i));
 
@@ -4063,7 +4079,6 @@ int multiSlsDetector::writeDataFile(string fname, double *data, double *err, dou
 	}
      
       }
-   
       outfile.close();
       return OK;
     } else {
diff --git a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.h b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.h
index 77e5ce14c..8351c7b67 100644
--- a/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.h
+++ b/slsDetectorSoftware/multiSlsDetector/multiSlsDetector.h
@@ -318,13 +318,13 @@ class multiSlsDetector  : public slsDetectorUtils {
   angleConversionConstant *getAngularConversionPointer(int imod=0);
   
 
-  int getTotalNumberOfChannels(){return thisMultiDetector->numberOfChannels;};
+  int getTotalNumberOfChannels();
 
-  int getTotalNumberOfChannels(dimension d){return thisMultiDetector->numberOfChannel[d];};
+  int getTotalNumberOfChannels(dimension d);
 
-  int getMaxNumberOfChannels(){return thisMultiDetector->maxNumberOfChannels;};
+  int getMaxNumberOfChannels();
 
-  int getMaxNumberOfChannels(dimension d){return thisMultiDetector->maxNumberOfChannel[d];};
+  int getMaxNumberOfChannels(dimension d);
 
   int getMaxNumberOfChannelsPerDetector(dimension d){return thisMultiDetector->maxNumberOfChannelsPerDetector[d];};
 
diff --git a/slsDetectorSoftware/mythenDetectorServer/mythenDetectorServer b/slsDetectorSoftware/mythenDetectorServer/mythenDetectorServer
index 9be5a0871..676b1fc36 100755
Binary files a/slsDetectorSoftware/mythenDetectorServer/mythenDetectorServer and b/slsDetectorSoftware/mythenDetectorServer/mythenDetectorServer differ
diff --git a/slsDetectorSoftware/mythenDetectorServer/server_funcs.c b/slsDetectorSoftware/mythenDetectorServer/server_funcs.c
index 35322323e..1c35b06de 100755
--- a/slsDetectorSoftware/mythenDetectorServer/server_funcs.c
+++ b/slsDetectorSoftware/mythenDetectorServer/server_funcs.c
@@ -2242,14 +2242,74 @@ int set_dynamic_range(int file_des) {
 
 int set_roi(int file_des) {
 
-  return FAIL;
+
+  int arg=-1;
+  int n;
+  ROI roiLimits[MAX_ROIS];
+  int ret=OK;
+  ROI retval;
+
+  int nm=setNMod(-1), nmax=getNModBoard(), nroi;
+
+
+  sprintf(mess,"can't set ROI\n");
+
+  n = receiveDataOnly(file_des,&arg,sizeof(arg));
+  if(arg>0){
+    n+=receiveDataOnly(file_des,roiLimits,arg*sizeof(ROI));
+  }
+
+  if (arg>1) {
+    ret=FAIL;
+    sprintf(mess,"can't set more than 1 ROI per detector\n");
+    
+  } else
+    ret=OK;
+
+  if (arg>0) {
+
+    nm=(roiLimits[0].xmax-1)/1280+1;
+    
+    if (roiLimits[0].xmin>0) {
+      roiLimits[0].xmin=0;
+      ret=FAIL;
+      sprintf(mess,"ROI starts at 0\n");
+    }
+    
+    if (nm>nmax) {
+      retval.xmax=setNMod(-1)*1280;
+      ret=FAIL;
+      sprintf(mess,"ROI max larger than detector size\n");
+    }
+  
+  } else if (arg==0) {
+    setNMod(nmax);
+  }
+
+  n = sendDataOnly(file_des,&ret,sizeof(ret));
+  if (ret==FAIL) {
+    n = sendDataOnly(file_des,mess,sizeof(mess));
+  } else {
+    retval.xmin=0;
+    retval.xmax=setNMod(-1)*1280;
+    retval.ymin=0;
+    retval.ymax=0;
+    if (setNMod(-1)<nmax)
+      nroi=1;
+    else
+      nroi=0;
+    
+    n = sendDataOnly(file_des,&nroi,sizeof(nroi));
+    if (nroi)
+      n = sendDataOnly(file_des,&retval,nroi*sizeof(retval));
+  }
+  return ret; 
 
 }
 
 int get_roi(int file_des) {
+  return set_roi(file_des);
 
-
-  return FAIL;
 }
 
 int set_speed(int file_des) {
diff --git a/slsDetectorSoftware/slsDetector/slsDetector.cpp b/slsDetectorSoftware/slsDetector/slsDetector.cpp
index fd030e73c..4e593ca16 100644
--- a/slsDetectorSoftware/slsDetector/slsDetector.cpp
+++ b/slsDetectorSoftware/slsDetector/slsDetector.cpp
@@ -560,7 +560,7 @@ int slsDetector::initializeDetectorSize(detectorType type) {
     }
     thisDetector->nChans=thisDetector->nChan[X]*thisDetector->nChan[Y];
     thisDetector->nChips=thisDetector->nChip[X]*thisDetector->nChip[Y];
-    thisDetector->nModsMax=thisDetector->nModMax[0]*thisDetector->nModMax[1];
+    thisDetector->nModsMax=thisDetector->nModMax[X]*thisDetector->nModMax[Y];
     /** number of modules is initally the maximum number of modules */
     thisDetector->nMod[X]=thisDetector->nModMax[X];
     thisDetector->nMod[Y]=thisDetector->nModMax[Y];  
@@ -666,6 +666,9 @@ int slsDetector::initializeDetectorSize(detectorType type) {
     thisDetector->chanoff=thisDetector->chipoff+sizeof(int)*thisDetector->nChips*thisDetector->nModsMax;
      
      
+    //update?!?!?!?
+
+
   } 
 
 
@@ -1524,7 +1527,10 @@ int slsDetector::getMaxNumberOfModules(dimension d){
     return retval;
   }  else {
     thisDetector->nModMax[d]=retval;
-    thisDetector->nModsMax=thisDetector->nModMax[0]*thisDetector->nModMax[1];
+    thisDetector->nModsMax=thisDetector->nModMax[X]*thisDetector->nModMax[Y];
+
+    
+
   }
   return thisDetector->nModMax[d];
 }; 
diff --git a/slsDetectorSoftware/slsDetector/slsDetector.h b/slsDetectorSoftware/slsDetector/slsDetector.h
index 02a150886..219bc0bbf 100644
--- a/slsDetectorSoftware/slsDetector/slsDetector.h
+++ b/slsDetectorSoftware/slsDetector/slsDetector.h
@@ -685,7 +685,7 @@ class slsDetector : public slsDetectorUtils, public energyConversion {
   */
   int getMaxNumberOfModules(dimension d=X); //
  
- 
+
   /** 
       set/get the use of an external signal 
       \param pol meaning of the signal \sa externalSignalFlag
diff --git a/slsDetectorSoftware/slsDetector/slsDetectorCommand.cpp b/slsDetectorSoftware/slsDetector/slsDetectorCommand.cpp
index c552bf5c9..552c0ef25 100644
--- a/slsDetectorSoftware/slsDetector/slsDetectorCommand.cpp
+++ b/slsDetectorSoftware/slsDetector/slsDetectorCommand.cpp
@@ -1651,6 +1651,7 @@ string slsDetectorCommand::cmdFlatField(int narg, char *args[], int action){
 	sval=string(args[1]);
       else
 	sval="none";
+      //  cout << myDet->getMaxNumberOfChannels() << endl;
       double corr[ myDet->getMaxNumberOfChannels()], ecorr[myDet->getMaxNumberOfChannels()];
       if (myDet->getFlatFieldCorrection(corr,ecorr)) {
 	if (sval!="none") {
diff --git a/slsDetectorSoftware/slsDetector/slsDetectorUtils.cpp b/slsDetectorSoftware/slsDetector/slsDetectorUtils.cpp
index b77575f95..6547d6f67 100644
--- a/slsDetectorSoftware/slsDetector/slsDetectorUtils.cpp
+++ b/slsDetectorSoftware/slsDetector/slsDetectorUtils.cpp
@@ -80,12 +80,13 @@ void  slsDetectorUtils::acquire(int delflag){
   }
   
 
-  if (getActionMode(angCalLog))
+  if (getActionMode(angCalLog)) {
     aclog=new angCalLogClass(this);
- 
-  if (getActionMode(enCalLog))
+  }
+  if (getActionMode(enCalLog)) {
     eclog=new enCalLogClass(this);
-  
+    
+  }
   
 
 
diff --git a/slsDetectorSoftware/slsDetectorAnalysis/FileIO_Standalone.cpp b/slsDetectorSoftware/slsDetectorAnalysis/FileIO_Standalone.cpp
index 406059cbe..27bee95b3 100644
--- a/slsDetectorSoftware/slsDetectorAnalysis/FileIO_Standalone.cpp
+++ b/slsDetectorSoftware/slsDetectorAnalysis/FileIO_Standalone.cpp
@@ -227,6 +227,8 @@ int fileIO::writeDataFile(ofstream &outfile, int nch, double *data, double *err,
 
   //  args|=0x10; // one line per channel!
 
+  cout << "Static file " << endl;
+
 
     for (int ichan=0; ichan<nch; ichan++) {
       if (ang==NULL) {
diff --git a/slsDetectorSoftware/slsDetectorAnalysis/fileIO.cpp b/slsDetectorSoftware/slsDetectorAnalysis/fileIO.cpp
index 90b2dca81..90b0ec275 100644
--- a/slsDetectorSoftware/slsDetectorAnalysis/fileIO.cpp
+++ b/slsDetectorSoftware/slsDetectorAnalysis/fileIO.cpp
@@ -52,6 +52,8 @@ int fileIO::writeDataFile(string fname, double *data, double *err, double *ang,
   if (nch==-1)
     nch=getTotalNumberOfChannels();
   
+  cout << "Write filexxx...." << endl;
+
   return fileIOStatic::writeDataFile(fname, nch, data, err, ang, dataformat);
 
 }
@@ -59,6 +61,8 @@ int fileIO::writeDataFile(ofstream &outfile, double *data, double *err, double *
   if (nch==-1)
     nch=getTotalNumberOfChannels();
   
+  cout << "Write file...." << endl;
+
   return fileIOStatic::writeDataFile(outfile, nch, data, err, ang, dataformat, offset);
 
 }
@@ -74,6 +78,7 @@ int fileIO::writeDataFile(string fname, int *data){
 
 int fileIO::writeDataFile(ofstream &outfile, int *data, int offset){
   
+  cout << "Write raw file...." << endl;
   return fileIOStatic::writeDataFile(outfile, getTotalNumberOfChannels(), data, offset);
 }
 
@@ -108,6 +113,7 @@ int fileIO::writeDataFile(void *data, int iframe) {
 
 
 int fileIO::closeDataFile() {
+  cout << "close file...." << endl;
   if (filefd)
       fclose(filefd);
     filefd=NULL;
@@ -120,6 +126,7 @@ int fileIO::closeDataFile() {
 
 int fileIO::writeDataFile(string fname, short int *data){
 
+  cout << "Write raw file...." << endl;
   return fileIOStatic::writeDataFile(fname, getTotalNumberOfChannels(), data);
 }
 
diff --git a/slsDetectorSoftware/slsDetectorAnalysis/fileIOStatic.h b/slsDetectorSoftware/slsDetectorAnalysis/fileIOStatic.h
index 6e8fb5571..6b4afa8ee 100644
--- a/slsDetectorSoftware/slsDetectorAnalysis/fileIOStatic.h
+++ b/slsDetectorSoftware/slsDetectorAnalysis/fileIOStatic.h
@@ -341,12 +341,12 @@ class fileIOStatic  {
        \param offset start channel number
        \returns OK or FAIL if it could not write the file or data=NULL
   */
-  static  int writeDataFile(ofstream &outfile, int nch, double *data, double *err=NULL, double *ang=NULL, char dataformat='f', int offset=0){ \
+  static  int writeDataFile(ofstream &outfile, int nch, double *data, double *err=NULL, double *ang=NULL, char dataformat='f', int offset=0){ 
     int idata;								\
-    if (data==NULL) {							\
+    if (data==NULL || nch==0) {							\
       cout << "No data to write!" << endl;				\
       return slsDetectorDefs::FAIL;					\
-    }									\
+    } 	\
     for (int ichan=0; ichan<nch; ichan++) {				\
       if (ang==NULL) {							\
 	outfile << ichan+offset << " ";				\
diff --git a/slsDetectorSoftware/slsDetectorAnalysis/postProcessing.cpp b/slsDetectorSoftware/slsDetectorAnalysis/postProcessing.cpp
index f01713217..25dea26d5 100644
--- a/slsDetectorSoftware/slsDetectorAnalysis/postProcessing.cpp
+++ b/slsDetectorSoftware/slsDetectorAnalysis/postProcessing.cpp
@@ -117,6 +117,7 @@ void postProcessing::processFrame(int *myData, int delflag) {
      if (getDetectorsType()==MYTHEN){
     // if (fdata) {
        //uses static function?!?!?!?
+       // cout << "write to file?!?!?!?" << endl;
        writeDataFile (fname+string(".raw"),fdata, NULL, NULL, 'i');
      } else {
        writeDataFile ((void*)myData, currentFrameIndex);
@@ -130,6 +131,9 @@ void postProcessing::processFrame(int *myData, int delflag) {
       doProcessing(fdata,delflag, fname);
     } else
       if (dataReady){
+
+	cout << "callback arg "<< getCurrentProgress()<< " " << (fname+string(".raw")).c_str() << " " << getTotalNumberOfChannels() << endl;
+
 	thisData=new detectorData(fdata,NULL,NULL,getCurrentProgress(),(fname+string(".raw")).c_str(),getTotalNumberOfChannels()); 
 	dataReady(thisData, currentFrameIndex, pCallbackArg);
 	delete thisData;
@@ -220,6 +224,7 @@ void postProcessing::doProcessing(double *lfdata, int delflag, string fname) {
   
   val=new double[arraySize];
   err=new double[arraySize];
+
   initDataset(0);
   }
     
@@ -250,6 +255,8 @@ void postProcessing::doProcessing(double *lfdata, int delflag, string fname) {
 
 
 	if (dataReady) {
+	  cout << "callback arg "<< getCurrentProgress()<< " " << (fname+ext).c_str() << " " << np << endl;
+
 	  thisData=new detectorData(val,err,ang,getCurrentProgress(),(fname+ext).c_str(),np);
 	  dataReady(thisData, currentFrameIndex, pCallbackArg);
 	  delete thisData;
@@ -758,6 +765,9 @@ void postProcessing::initDataset(int r) {
 
 
   } else {
+
+    cout << "implicit inti dataset! " << endl;
+
     ppFun->initDataset();
 
 
diff --git a/slsDetectorSoftware/slsDetectorAnalysis/postProcessingFuncs.cpp b/slsDetectorSoftware/slsDetectorAnalysis/postProcessingFuncs.cpp
index 6eff3db78..06dd2b99c 100644
--- a/slsDetectorSoftware/slsDetectorAnalysis/postProcessingFuncs.cpp
+++ b/slsDetectorSoftware/slsDetectorAnalysis/postProcessingFuncs.cpp
@@ -18,9 +18,11 @@ int postProcessingFuncs::initDataset() {
     me=new double[nBins];
     mm=new int[nBins];
     resetMerging(mp,mv,me,mm, nBins);
+    cout << "nbins " << nBins <<  endl;
   } else {
     mv=new double[totalChans];
     me=new double[totalChans];
+    cout << "nchans " << totalChans << endl;
   }
   totalI0=0;