/*---------------------------------------------------------------*/ int main(int argc, char *argv[]) { int nargs, n, err; char tmpstr[2000], *signstr=NULL,*SUBJECTS_DIR, fname[2000]; //char *OutDir = NULL; RFS *rfs; int nSmoothsPrev, nSmoothsDelta; MRI *z, *zabs=NULL, *sig=NULL, *p=NULL; int FreeMask = 0; int nthSign, nthFWHM, nthThresh; double sigmax, zmax, threshadj, csize, csizeavg, searchspace,avgvtxarea; int csizen; int nClusters, cmax,rmax,smax; SURFCLUSTERSUM *SurfClustList; struct timeb mytimer; LABEL *clabel; FILE *fp, *fpLog=NULL; nargs = handle_version_option (argc, argv, vcid, "$Name: stable5 $"); if (nargs && argc - nargs == 1) exit (0); argc -= nargs; cmdline = argv2cmdline(argc,argv); uname(&uts); getcwd(cwd,2000); Progname = argv[0] ; argc --; argv++; ErrorInit(NULL, NULL, NULL) ; DiagInit(NULL, NULL, NULL) ; if (argc == 0) usage_exit(); parse_commandline(argc, argv); check_options(); if (checkoptsonly) return(0); dump_options(stdout); if(LogFile){ fpLog = fopen(LogFile,"w"); if(fpLog == NULL){ printf("ERROR: opening %s\n",LogFile); exit(1); } dump_options(fpLog); } if(SynthSeed < 0) SynthSeed = PDFtodSeed(); srand48(SynthSeed); SUBJECTS_DIR = getenv("SUBJECTS_DIR"); // Create output directory printf("Creating %s\n",OutTop); err = fio_mkdirp(OutTop,0777); if(err) exit(1); for(nthFWHM=0; nthFWHM < nFWHMList; nthFWHM++){ for(nthThresh = 0; nthThresh < nThreshList; nthThresh++){ for(nthSign = 0; nthSign < nSignList; nthSign++){ if(SignList[nthSign] == 0) signstr = "abs"; if(SignList[nthSign] == +1) signstr = "pos"; if(SignList[nthSign] == -1) signstr = "neg"; sprintf(tmpstr,"%s/fwhm%02d/%s/th%02d", OutTop,(int)round(FWHMList[nthFWHM]), signstr,(int)round(10*ThreshList[nthThresh])); sprintf(fname,"%s/%s.csd",tmpstr,csdbase); if(fio_FileExistsReadable(fname)){ printf("ERROR: output file %s exists\n",fname); if(fpLog) fprintf(fpLog,"ERROR: output file %s exists\n",fname); exit(1); } err = fio_mkdirp(tmpstr,0777); if(err) exit(1); } } } // Load the target surface sprintf(tmpstr,"%s/%s/surf/%s.%s",SUBJECTS_DIR,subject,hemi,surfname); printf("Loading %s\n",tmpstr); surf = MRISread(tmpstr); if(!surf) return(1); // Handle masking if(LabelFile){ printf("Loading label file %s\n",LabelFile); sprintf(tmpstr,"%s/%s/label/%s.%s.label", SUBJECTS_DIR,subject,hemi,LabelFile); if(!fio_FileExistsReadable(tmpstr)){ printf(" Cannot find label file %s\n",tmpstr); sprintf(tmpstr,"%s",LabelFile); printf(" Trying label file %s\n",tmpstr); if(!fio_FileExistsReadable(tmpstr)){ printf(" ERROR: cannot read or find label file %s\n",LabelFile); exit(1); } } printf("Loading %s\n",tmpstr); clabel = LabelRead(NULL, tmpstr); mask = MRISlabel2Mask(surf, clabel, NULL); FreeMask = 1; } if(MaskFile){ printf("Loading %s\n",MaskFile); mask = MRIread(MaskFile); if(mask == NULL) exit(1); } if(mask && SaveMask){ sprintf(tmpstr,"%s/mask.mgh",OutTop); printf("Saving mask to %s\n",tmpstr); err = MRIwrite(mask,tmpstr); if(err) exit(1); } // Compute search space searchspace = 0; nmask = 0; for(n=0; n < surf->nvertices; n++){ if(mask && MRIgetVoxVal(mask,n,0,0,0) < 0.5) continue; searchspace += surf->vertices[n].area; nmask++; } printf("Found %d voxels in mask\n",nmask); if(surf->group_avg_surface_area > 0) searchspace *= (surf->group_avg_surface_area/surf->total_area); printf("search space %g mm2\n",searchspace); avgvtxarea = searchspace/nmask; printf("average vertex area %g mm2\n",avgvtxarea); // Determine how many iterations are needed for each FWHM nSmoothsList = (int *) calloc(sizeof(int),nFWHMList); for(nthFWHM=0; nthFWHM < nFWHMList; nthFWHM++){ nSmoothsList[nthFWHM] = MRISfwhm2niters(FWHMList[nthFWHM], surf); printf("%2d %5.1f %4d\n",nthFWHM,FWHMList[nthFWHM],nSmoothsList[nthFWHM]); if(fpLog) fprintf(fpLog,"%2d %5.1f %4d\n",nthFWHM,FWHMList[nthFWHM],nSmoothsList[nthFWHM]); } printf("\n"); // Allocate the CSDs for(nthFWHM=0; nthFWHM < nFWHMList; nthFWHM++){ for(nthThresh = 0; nthThresh < nThreshList; nthThresh++){ for(nthSign = 0; nthSign < nSignList; nthSign++){ csd = CSDalloc(); sprintf(csd->simtype,"%s","null-z"); sprintf(csd->anattype,"%s","surface"); sprintf(csd->subject,"%s",subject); sprintf(csd->hemi,"%s",hemi); sprintf(csd->contrast,"%s","NA"); csd->seed = SynthSeed; csd->nreps = nRepetitions; csd->thresh = ThreshList[nthThresh]; csd->threshsign = SignList[nthSign]; csd->nullfwhm = FWHMList[nthFWHM]; csd->varfwhm = -1; csd->searchspace = searchspace; CSDallocData(csd); csdList[nthFWHM][nthThresh][nthSign] = csd; } } } // Alloc the z map z = MRIallocSequence(surf->nvertices, 1,1, MRI_FLOAT, 1); // Set up the random field specification rfs = RFspecInit(SynthSeed,NULL); rfs->name = strcpyalloc("gaussian"); rfs->params[0] = 0; rfs->params[1] = 1; printf("Thresholds (%d): ",nThreshList); for(n=0; n < nThreshList; n++) printf("%5.2f ",ThreshList[n]); printf("\n"); printf("Signs (%d): ",nSignList); for(n=0; n < nSignList; n++) printf("%2d ",SignList[n]); printf("\n"); printf("FWHM (%d): ",nFWHMList); for(n=0; n < nFWHMList; n++) printf("%5.2f ",FWHMList[n]); printf("\n"); // Start the simulation loop printf("\n\nStarting Simulation over %d Repetitions\n",nRepetitions); if(fpLog) fprintf(fpLog,"\n\nStarting Simulation over %d Repetitions\n",nRepetitions); TimerStart(&mytimer) ; for(nthRep = 0; nthRep < nRepetitions; nthRep++){ msecTime = TimerStop(&mytimer) ; printf("%5d %7.1f ",nthRep,(msecTime/1000.0)/60); if(fpLog) { fprintf(fpLog,"%5d %7.1f ",nthRep,(msecTime/1000.0)/60); fflush(fpLog); } // Synthesize an unsmoothed z map RFsynth(z,rfs,mask); nSmoothsPrev = 0; // Loop through FWHMs for(nthFWHM=0; nthFWHM < nFWHMList; nthFWHM++){ printf("%d ",nthFWHM); if(fpLog) { fprintf(fpLog,"%d ",nthFWHM); fflush(fpLog); } nSmoothsDelta = nSmoothsList[nthFWHM] - nSmoothsPrev; nSmoothsPrev = nSmoothsList[nthFWHM]; // Incrementally smooth z MRISsmoothMRI(surf, z, nSmoothsDelta, mask, z); // smooth z // Rescale RFrescale(z,rfs,mask,z); // Slightly tortured way to get the right p-values because // RFstat2P() computes one-sided, but I handle sidedness // during thresholding. // First, use zabs to get a two-sided pval bet 0 and 0.5 zabs = MRIabs(z,zabs); p = RFstat2P(zabs,rfs,mask,0,p); // Next, mult pvals by 2 to get two-sided bet 0 and 1 MRIscalarMul(p,p,2.0); sig = MRIlog10(p,NULL,sig,1); // sig = -log10(p) for(nthThresh = 0; nthThresh < nThreshList; nthThresh++){ for(nthSign = 0; nthSign < nSignList; nthSign++){ csd = csdList[nthFWHM][nthThresh][nthSign]; // If test is not ABS then apply the sign if(csd->threshsign != 0) MRIsetSign(sig,z,0); // Get the max stats sigmax = MRIframeMax(sig,0,mask,csd->threshsign, &cmax,&rmax,&smax); zmax = MRIgetVoxVal(z,cmax,rmax,smax,0); if(csd->threshsign == 0){ zmax = fabs(zmax); sigmax = fabs(sigmax); } // Mask if(mask) MRImask(sig,mask,sig,0.0,0.0); // Surface clustering MRIScopyMRI(surf, sig, 0, "val"); if(csd->threshsign == 0) threshadj = csd->thresh; else threshadj = csd->thresh - log10(2.0); // one-sided test SurfClustList = sclustMapSurfClusters(surf,threshadj,-1,csd->threshsign, 0,&nClusters,NULL); // Actual area of cluster with max area csize = sclustMaxClusterArea(SurfClustList, nClusters); // Number of vertices of cluster with max number of vertices. // Note: this may be a different cluster from above! csizen = sclustMaxClusterCount(SurfClustList, nClusters); // Area of this cluster based on average vertex area. This just scales // the number of vertices. csizeavg = csizen * avgvtxarea; if(UseAvgVtxArea) csize = csizeavg; // Store results csd->nClusters[nthRep] = nClusters; csd->MaxClusterSize[nthRep] = csize; csd->MaxSig[nthRep] = sigmax; csd->MaxStat[nthRep] = zmax; } // Sign } // Thresh } // FWHM printf("\n"); if(fpLog) fprintf(fpLog,"\n"); if(SaveEachIter || fio_FileExistsReadable(SaveFile)) SaveOutput(); if(fio_FileExistsReadable(StopFile)) { printf("Found stop file %s\n",StopFile); goto finish; } } // Simulation Repetition finish: SaveOutput(); msecTime = TimerStop(&mytimer) ; printf("Total Sim Time %g min (%g per rep)\n", msecTime/(1000*60.0),(msecTime/(1000*60.0))/nthRep); if(fpLog) fprintf(fpLog,"Total Sim Time %g min (%g per rep)\n", msecTime/(1000*60.0),(msecTime/(1000*60.0))/nthRep); if(DoneFile){ fp = fopen(DoneFile,"w"); fprintf(fp,"%g\n",msecTime/(1000*60.0)); fclose(fp); } printf("mri_mcsim done\n"); if(fpLog){ fprintf(fpLog,"mri_mcsim done\n"); fclose(fpLog); } exit(0); }
int main(int argc, char *argv[]) { char **av, *out_fname ; int ac, nargs ; GCA_MORPH *gcam ; int msec, minutes, seconds ; struct timeb start ; MRI *mri, *mri_jacobian, *mri_area, *mri_orig_area ; /* rkt: check for and handle version tag */ nargs = handle_version_option (argc, argv, "$Id: mri_jacobian.c,v 1.11 2011/12/10 22:47:57 fischl Exp $", "$Name: $"); if (nargs && argc - nargs == 1) exit (0); argc -= nargs; Progname = argv[0] ; ErrorInit(NULL, NULL, NULL) ; DiagInit(NULL, NULL, NULL) ; TimerStart(&start) ; ac = argc ; av = argv ; for ( ; argc > 1 && ISOPTION(*argv[1]) ; argc--, argv++) { nargs = get_option(argc, argv) ; argc -= nargs ; argv += nargs ; } if (argc < 4) usage_exit(1) ; out_fname = argv[argc-1] ; gcam = GCAMread(argv[1]) ; if (gcam == NULL) ErrorExit(ERROR_BADPARM, "%s: could not read input morph %s\n", Progname,argv[1]); if (Gx >= 0 && atlas == 0) find_debug_node(gcam, Gx, Gy, Gz) ; mri = MRIread(argv[2]) ; if (gcam == NULL) ErrorExit(ERROR_BADPARM, "%s: could not read template volume %s\n", Progname,argv[2]); GCAMrasToVox(gcam, mri) ; if (init || tm3dfile) init_gcam_areas(gcam) ; if (atlas) { mri_area = GCAMwriteMRI(gcam, NULL, GCAM_AREA); mri_orig_area = GCAMwriteMRI(gcam, NULL, GCAM_ORIG_AREA); } else { mri_area = GCAMmorphFieldFromAtlas(gcam, mri, GCAM_AREA, 0, 0); mri_orig_area = GCAMmorphFieldFromAtlas(gcam, mri, GCAM_ORIG_AREA, 0, 0); } if (Gdiag & DIAG_WRITE && DIAG_VERBOSE_ON) { MRIwrite(mri_orig_area, "o.mgz") ; MRIwrite(mri_area, "a.mgz") ; } if (Gx > 0) printf("area = %2.3f, orig = %2.3f\n", MRIgetVoxVal(mri_area, Gx, Gy, Gz,0),MRIgetVoxVal(mri_orig_area,Gx,Gy,Gz,0)) ; if (lta) { double det ; if (lta->type == LINEAR_RAS_TO_RAS) LTArasToVoxelXform(lta, mri, mri) ; det = MatrixDeterminant(lta->xforms[0].m_L) ; printf("correcting transform with det=%2.3f\n", det) ; MRIscalarMul(mri_orig_area, mri_orig_area, 1/det) ; } if (! FZERO(sigma)) { MRI *mri_kernel, *mri_smooth ; mri_kernel = MRIgaussian1d(sigma, 100) ; mri_smooth = MRIconvolveGaussian(mri_area, NULL, mri_kernel) ; MRIfree(&mri_area) ; mri_area = mri_smooth ; mri_smooth = MRIconvolveGaussian(mri_orig_area, NULL, mri_kernel) ; MRIfree(&mri_orig_area) ; mri_orig_area = mri_smooth ; MRIfree(&mri_kernel) ; } if (Gx > 0) printf("after smoothing area = %2.3f, orig = %2.3f\n", MRIgetVoxVal(mri_area, Gx, Gy, Gz,0),MRIgetVoxVal(mri_orig_area,Gx,Gy,Gz,0)) ; mri_jacobian = MRIdivide(mri_area, mri_orig_area, NULL) ; if (Gx > 0) printf("jacobian = %2.3f\n", MRIgetVoxVal(mri_jacobian, Gx, Gy, Gz,0)) ; if (atlas) mask_invalid(gcam, mri_jacobian) ; if (use_log) { MRIlog10(mri_jacobian, NULL, mri_jacobian, 0) ; if (zero_mean) MRIzeroMean(mri_jacobian, mri_jacobian) ; if (Gx > 0) printf("log jacobian = %2.3f\n", MRIgetVoxVal(mri_jacobian, Gx, Gy, Gz,0)) ; } fprintf(stderr, "writing to %s...\n", out_fname) ; MRIwrite(mri_jacobian, out_fname) ; MRIfree(&mri_jacobian) ; if (write_areas) { char fname[STRLEN] ; sprintf(fname, "%s_area.mgz", out_fname) ; printf("writing area to %s\n", fname) ; MRIwrite(mri_area, fname) ; sprintf(fname, "%s_orig_area.mgz", out_fname) ; printf("writing orig area to %s\n", fname) ; MRIwrite(mri_orig_area, fname) ; } if (atlas && DIAG_WRITE && DIAG_VERBOSE_ON) { char fname[STRLEN] ; FileNameRemoveExtension(out_fname, out_fname) ; mri_area = GCAMwriteMRI(gcam, mri_area, GCAM_MEANS); sprintf(fname, "%s_means.mgz", out_fname) ; printf("writing means to %s\n", fname) ; MRIwrite(mri_area, fname) ; sprintf(fname, "%s_labels.mgz", out_fname) ; mri_area = GCAMwriteMRI(gcam, mri_area, GCAM_LABEL); printf("writing labels to %s\n", fname) ; MRIwrite(mri_area, fname) ; } msec = TimerStop(&start) ; seconds = nint((float)msec/1000.0f) ; minutes = seconds / 60 ;seconds = seconds % 60 ; fprintf(stderr, "jacobian calculation took %d minutes and %d seconds.\n", minutes, seconds) ; exit(0) ; return(0) ; }