C ********************************************************************** C GETCOO C REWRITTEN SEP 2003 ARDEAN LEITH C AVERAGE WEIGHTP MAY 2004 ARDEAN LEITH C C ********************************************************************** C=* * C=* This file is part of: SPIDER - Modular Image Processing System. * C=* SPIDER System Authors: Joachim Frank & ArDean Leith * C=* Copyright 1985-2010 Health Research Inc., * C=* Riverview Center, 150 Broadway, Suite 560, Menands, NY 12204. * C=* Email: spider@wadsworth.org * C=* * C=* SPIDER is free software; you can redistribute it and/or * C=* modify it under the terms of the GNU General Public License as * C=* published by the Free Software Foundation; either version 2 of the * C=* License, or (at your option) any later version. * C=* * C=* SPIDER is distributed in the hope that it will be useful, * C=* but WITHOUT ANY WARRANTY; without even the implied warranty of * C=* merchantability or fitness for a particular purpose. See the GNU * C=* General Public License for more details. * C=* You should have received a copy of the GNU General Public License * C=* along with this program. If not, see * C=* * C ********************************************************************** C C GETCOOT(NFAC,NPIX,NUMIM,INUMBR,USE_PCA, C EVECTS,EVALS,WEIGHTI,WEIGHTP,SUMW,CO, BLU, BLW, C LUNS, LUNI, LUNP) C C PURPOSE: GET COORDINATES FOR NON-TRANSPOSED DATA C C PARAMETERS: C NFAC NUMBER OF EIGENVECTORS REQUESTED (INPUT) C NPIX NUMBER OF PIXELS PER IMAGE (INPUT) C NUMIM NUMBER OF IMAGES (INPUT) C INUMBR() IMAGE NUMBER LIST (INPUT) C USE_PCA CORAN VS PCA FLAG (INPUT) C EVECTS() EIGENVECTORS (COLUMN) OF X'X AND (INPUT) C X(I,*)= BLU() J=1,JTOT W/ I=1,ITOT C EVALS() EIGENVALUE ARRAY (INPUT/OUTPUT) C WEIGHTI() SUM OF PIXEL VALUES FOR THIS IMAGE (INPUT) C WEIGHTP() SUM OF PIXEL VALUES AT THIS PIXEL (INPUT) C CO() WORKING ARRAY C SUMW SUM OF ALL THE PIXEL VALUES IN ALL IMAGES (INPUT) C BLU() WORKING ARRAY FOR INPUTS C BLW() WORKING ARRAY FOR OUTPUTS C LUNS SEQUENTIAL IMAGE I/O UNIT ( FOR INPUT) (INPUT) C LUNI IMAGE COORDINATE I/O UNIT (FOR OUTPUT) (INPUT) C LUNP PIXEL COORDINATE I/O UNIT (FOR OUTPUT) (INPUT) C C S(,) HAS THE EIGENVECTORS (COLUMN) OF X'X AND D() HAS THE C EIGENVALUES. X(I,*)= U() J=1,JTOT W/ I=1,ITOT C C NOTE: FOR CORAN WEIGHTP IS RETURNED UNCHANGED C FOR CORAN WEIGHTI IS RETURNED DIVIDED BY SUMW C FOR CORAN _PIX IS WEIGHTP UNCHANGED C FOR CORAN _IMC IS WEIGHTI DIVIDED BY SUMW C C FOR PCA WEIGHTP IS RETURNED UNCHANGED C FOR PCA WEIGHTI IS RETURNED UNCHANGED C FOR PCA _PIX IS WEIGHTP UNCHANGED C FOR PCA _IMC IS WEIGHTI UNCHANGED C C ********************************************************************** SUBROUTINE GETCOO(NFAC,NPIX,NUMIM,INUMBR,USE_PCA, & EVECTS,EVALS,WEIGHTI,WEIGHTP,SUMW,CO, BLU, BLW, & LUNS, LUNI, LUNP) REAL :: EVECTS(NPIX,NPIX), EVALS(NPIX) REAL :: CO(NPIX), BLU(NPIX), BLW(NFAC) INTEGER :: INUMBR(NUMIM) REAL :: WEIGHTP(NPIX) REAL :: WEIGHTI(NUMIM) LOGICAL :: USE_PCA C POSITION _SEQ, _IMC, & _PIX FILES CALL REW(LUNS, 1) REWIND(LUNI) READ(LUNI,*) IDUM, IDUM, IDUM, IDUM, IDUM, IDUM REWIND(LUNP) READ(LUNP,*) IDUM, IDUM, IDUM, IDUM, IDUM C INITIALIZE ARRAYS CO = 0.0 IF (USE_PCA) THEN DOR = 0.0 PI = 0.0 ELSE C WHOLE ARRAY WEIGHTP = WEIGHTP / SUMW ENDIF ACT = 1.0 C WRITE _IMC DATA DO I = 1, NUMIM C READ THE WHOLE IMAGE IN BLU ARRAY FROM _SEQ FILE. READ(LUNS,IOSTAT=IERR) BLU,FIM C COORDINATES TO ORIGIN FOR THE ROWS C [W] = [X -].[EIGENVECTORS] MATIX NOTATION. C AVERAGE VALUE OF PIXELS = SUM (XIJ), J=1,NUMIM PIA = WEIGHTI(I) DO K=1,NFAC BLW(K) = 0.0 IF (USE_PCA) THEN DO J=1,NPIX BLW(K) = BLW(K) + (BLU(J) - WEIGHTP(J) / NUMIM) * & EVECTS(J, K) ENDDO ELSE DO J=1,NPIX BLW(K) = BLW(K) + (BLU(J) * EVECTS(J, K)) / PIA ENDDO ENDIF ENDDO C DISTANCES TO ORIGIN FOR THE ROWS DOR = 0.0 FIM = INUMBR(I) IF (USE_PCA) THEN DO J=1, NPIX DOR = DOR + (BLU(J) - WEIGHTP(J))**2 ENDDO WRITE(LUNI,90) (BLW(K),K=1,NFAC), PIA, DOR, FIM, ACT ELSE DO J=1,NPIX DOR = DOR + (BLU(J)/PIA - WEIGHTP(J))**2 / WEIGHTP(J) ENDDO PI = PIA / SUMW DO J=1,NPIX CO(J) = CO(J) + (BLU(J)/(SUMW * WEIGHTP(J)) - PI)**2/PI ENDDO WRITE(LUNI,90) (BLW(K), K = 1, NFAC), PI, DOR, FIM, ACT ENDIF ENDDO C WRITE _PIX DATA C COORDINATES FOR THE COLS FDUM = 0.0 ! FOR COMPATIBILITY WITH IMC DO J=1,NPIX DO K=1,NFAC C IF IMAGES HAVE SOME CROSS-CORRELATION (I.E; (PART OF) ONE C IMAGE IS THE SAME AS (PART OF) ANOTHER), ONE FACTOR C WILL BE 0 (SO A NEGATIVE EIGENVALUE MAY EXIST). EVALS(K) = MAX(EVALS(K), 1.0E - 9) BLW(K) = EVECTS(J, K) * SQRT(EVALS(K)) ENDDO C WRITE DATA TO PIX*** FILE FPIX = J PIAT = WEIGHTP(J) / NPIX WRITE(LUNP,90) (BLW(K),K=1,NFAC),PIAT, CO(J), FPIX, FDUM 90 FORMAT(10(1PG12.5,' ')) ENDDO RETURN END