예제 #1
0
void mglCanvas::DefaultPlotParam()
{
/* NOTE: following variables and mutex will not be changed by DefaultPlotParam()
long InUse;			///< Smart pointer (number of users)
mglFont *fnt;		///< Class for printing vector text
int Quality;		///< Quality of plot (0x0-pure, 0x1-fast; 0x2-fine; 0x4 - low memory)
int Width;			///< Width of the image
int Height;			///< Height of the image
int Depth;			///< Depth of the image
int CurFrameId;		///< Number of automaticle created frames
GifFileType *gif;*/
	SetDrawReg(1,1,0);		Perspective(0);
	memcpy(mgl_mask_val, mgl_mask_def, 16*sizeof(uint64_t));	// should be > 16*8
	ax.Clear();	ay.Clear();	az.Clear();	ac.Clear();
	mgl_clear_fft();		DefMaskAn=0;	ResetMask();
	SetTickRotate(true);	SetTickSkip(true);
	SetWarn(mglWarnNone,"");	mglGlobalMess = "";
	ObjId = -1;	HighId = INT_MIN;
	SetFunc(0,0);	CutOff(0);	Ternary(0);
	Stop=false;	event_cb = NULL;	event_par=NULL;
	SetRanges(mglPoint(-1,-1,-1,-1), mglPoint(1,1,1,1));
	SetOrigin(NAN,NAN,NAN,NAN);
	SetBarWidth(0.7);	SetMarkSize(1);	SetArrowSize(1);
	SetAlphaDef(0.5);		FontDef[0]=0;
	SetTranspType(0);		SetMeshNum(0);	// NOTE: default MeshNum=0
	SetRotatedText(true);	CurrPal = 0;
	SetLegendMarks();		SetFontSize(4);
	SetTuneTicks(3);		SetAmbient();	SetDiffuse();
	clr(MGL_DISABLE_SCALE);
	clr(MGL_USE_GMTIME);	clr(MGL_NOSUBTICKS);
	SetDifLight(false);		SetReduceAcc(false);
	SetDefScheme(MGL_DEF_SCH);	SetPalette(MGL_DEF_PAL);
	SetPenPal("k-1");		Alpha(false);
	stack.clear();	Restore();	DefColor('k');
	SetPlotFactor(0);	InPlot(0,1,0,1,false);
	SetTickLen(0);	SetCut(true);
	AdjustTicks("xyzc",true);	Clf('w');

	for(int i=0;i<10;i++)	{	AddLight(i, mglPoint(0,0,1));	Light(i,false);	}
	Light(0,true);	Light(false);	SetDifLight(true);
}
예제 #2
0
void ComparatorNoiseCorrector::CorrectComparatorNoise_internal(
		 bool verbose, bool aggressive_correction, int row_start, int row_end, bool hfonly)
{
  int phase=-1;

  memset(mComparator_sigs,0,mComparator_sigs_len);
  memset(mComparator_noise,0,mComparator_noise_len);
  memset(mComparator_hf_noise,0,mComparator_hf_noise_len);
  memset(mAvg_num,0,mAvg_num_len);
  memset(mComparator_mask,0,mComparator_mask_len);
  memset(mComparator_hf_mask,0,mComparator_hf_mask_len);
  memset(mCorrection,0,mCorrection_len);
  ncomp=4;

  if (row_start == -1)
  {
	row_start = 0;
	row_end = rows;
  }


  // first, create the average comparator signals
  // making sure to avoid pinned pixels
  SumColumns(row_start, row_end);
  
  double startTime=CNCTimer();

  // subtract DC offset from average comparator signals
  SetMeanToZero(mComparator_sigs);

#ifdef DBG_SAVETEMPS
	DebugSaveComparatorSigs(0);
#endif

  // now figure out which pair of signals go together
  // this function also combines pairs of signals accordingly
  // from this point forward, there are only cols*2 signals to deal with
  phase = DiscoverComparatorPhase(mComparator_sigs,cols*4);

  // change the data to be column major for the rest of the functions...



#ifdef DBG_SAVETEMPS
	DebugSaveComparatorSigs(1);
#endif
#ifdef DBG_SAVETEMPS
	DebugSaveAvgNum();
#endif
  tm1 += CNCTimer()-startTime;
  startTime = CNCTimer();
  {
      ResetMask();
      double tm2_1_startTime = CNCTimer();

      // now neighbor-subtract the comparator signals
      NNSubtractComparatorSigs(mComparator_noise,mComparator_sigs,mComparator_mask,NNSpan,cols*ncomp,frames);

      // measure noise in the neighbor-subtracted signals
      CalcComparatorSigRMS(mComparator_rms,mComparator_noise,cols*ncomp,frames);

      // find the noisiest 10%
      MaskIQR(mComparator_mask,mComparator_rms,cols*ncomp);
#ifdef DBG_SAVETEMPS
		DebugSaveComparatorNoise(0);
		DebugSaveComparatorRMS(0);
		DebugSaveComparatorMask(0);
#endif

      // neighbor-subtract again...avoiding noisiest 10%
      NNSubtractComparatorSigs(mComparator_noise,mComparator_sigs,mComparator_mask,NNSpan,cols*ncomp,frames);

      // measure noise in the neighbor-subtracted signals
      CalcComparatorSigRMS(mComparator_rms,mComparator_noise,cols*ncomp,frames);

      ResetMask();

      MaskIQR(mComparator_mask,mComparator_rms,cols*ncomp, verbose);

      // neighbor-subtract again...avoiding noisiest 10%
      NNSubtractComparatorSigs(mComparator_noise,mComparator_sigs,mComparator_mask,NNSpan,cols*ncomp,frames);
#ifdef DBG_SAVETEMPS
		DebugSaveComparatorRMS(1);
		DebugSaveComparatorNoise(1);
		DebugSaveComparatorMask(1);
#endif

      tm2_1 += CNCTimer()-tm2_1_startTime;

      if (aggressive_correction)
      {
         // Newly added stuff.
             // subtracts some of what we detect as comparator noise from neighbors before forming the nn average
             // this cleans things up a little
          double tm2_2_startTime = CNCTimer();


         // make another set of noise signals that have been run through a high-pass filter
         // filter low frequency noise out of noise signals
          double tm2_3_startTime = CNCTimer();
         memcpy(mComparator_hf_noise,mComparator_noise,sizeof(float)*cols*ncomp*frames);
         HighPassFilter(mComparator_hf_noise,cols*ncomp,frames,10);
         tm2_3 += CNCTimer() - tm2_3_startTime;

         // neighbor-subtract again...now with some rejection of what we think the noise is
         NNSubtractComparatorSigs(mComparator_noise,mComparator_sigs,mComparator_mask,NNSpan,cols*ncomp,frames,mComparator_hf_noise);

         // measure noise in the neighbor-subtracted signals
         CalcComparatorSigRMS(mComparator_rms,mComparator_noise,cols*ncomp,frames);

         ResetMask();

         //      MaskIQR(mComparator_mask,mComparator_rms,cols*2, verbose);
         MaskUsingDynamicStdCutoff(mComparator_mask,mComparator_rms,cols*ncomp,1.0f);

         // even if some comparators didn't make the cut with the raw noise signal
         // we can correct more agressively if we put the noise signal through the high pass filter

         // redo the high-pass fitler
         memcpy(mComparator_hf_noise,mComparator_noise,sizeof(float)*cols*ncomp*frames);
         // get first principal component
         GetPrincComp(mPcomp,mComparator_hf_noise,mComparator_mask,cols*ncomp,frames);
         FilterUsingPrincComp(mComparator_hf_noise,mPcomp,cols*ncomp,frames);

         // measure high frequency noise
         CalcComparatorSigRMS(mComparator_hf_rms,mComparator_hf_noise,cols*ncomp,frames);
         for ( int cndx=0;cndx < cols*ncomp;cndx++ )
         {
           if ( mAvg_num[cndx] == 0 )
           {
             mComparator_hf_mask[cndx] = 1;
           }
         }
         MaskUsingDynamicStdCutoff(mComparator_hf_mask,mComparator_hf_rms,cols*ncomp,2.0f);
         tm2_2 += CNCTimer()-tm2_2_startTime;
         
      }

      // blanks comparator signal averages that didn't have any pixels to average (probably redundant)
      for ( int cndx=0;cndx < cols*ncomp;cndx++ )
      {
        float *cptr;

        if ( mAvg_num[cndx] == 0 ) {
          // get a pointer to where we will build the comparator signal average
          cptr = mComparator_sigs + cndx*frames;
          memset(cptr,0,sizeof(float[frames]));
        }
      }
      tm2 += CNCTimer()-startTime;
      BuildCorrection(hfonly);

#ifdef DBG_SAVETEMPS
	DebugSaveCorrection(row_start, row_end);
#endif

	  ApplyCorrection(phase, row_start, row_end, mCorrection);
  }
}