C++********************************************************************* C C PJ3.F REWRITTEN PAWEL PENCZYK SEPT 2003 C C ********************************************************************** C=* FROM: SPIDER - MODULAR IMAGE PROCESSING SYSTEM. AUTHOR: J.FRANK * C=* Copyright (C) 1985-2005 Health Research Inc. * C=* * C=* HEALTH RESEARCH INCORPORATED (HRI), * C=* ONE UNIVERSITY PLACE, RENSSELAER, NY 12144-3455. * C=* * C=* Email: spider@wadsworth.org * C=* * C=* This program 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=* This program 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=* * C=* You should have received a copy of the GNU General Public License * C=* along with this program; if not, write to the * C=* Free Software Foundation, Inc., * C=* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * C=* * C ********************************************************************** C IMAGE_PROCESSING_ROUTINE C23456789012345678901234567890123456789012345678901234567890123456789012 C--********************************************************************* SUBROUTINE PJ3_N INCLUDE 'CMBLOCK.INC' INCLUDE 'CMLIMIT.INC' CHARACTER(LEN=MAXNAM) :: FINPIC REAL, ALLOCATABLE, DIMENSION(:,:,:) :: CUBE REAL, ALLOCATABLE, DIMENSION(:,:) :: B DATA INPIC/60/,IOPIC/61/ MAXIM=0 CALL OPFILEC(0,.TRUE.,FINPIC,INPIC,'O',ITYPE,NSAM,NROW,NSLICE, & MAXIM,'INPUT',.FALSE.,IRTFLG) IF (IRTFLG .NE. 0) RETURN IF (ITYPE.NE.3) THEN CALL ERRT(2,'THIS OPERATION ONLY WORKS ON VOLUMES',NE) GOTO 9999 ENDIF ALLOCATE(CUBE(NSAM,NROW,NSLICE), STAT=IRTFLG) IF (IRTFLG.NE.0) THEN MWANT = NSAM*NROW*NSLICE CALL ERRT(46,'PJ 3, CUBE',MWANT) GOTO 9999 ENDIF CALL READV(INPIC,CUBE,NSAM,NROW,NSAM,NROW,NSLICE) CALL RDPRMI(NSAMP,NROWP,NOT_USED,'PROJECTION DIMENSIONS X,Y') IF (NROWP.EQ.0) NROWP = NINT(NSAMP*(FLOAT(NROW)/FLOAT(NSAM))) IF (NROWP.EQ.0) THEN CALL ERRT(31,'PJ 3',NE) GOTO 9999 ENDIF MAXIM = 0 NSLICEP = 0 ITYPE = 1 CALL OPFILEC(0,.TRUE.,FINPIC,IOPIC,'U',ITYPE, & NSAMP,NROWP,NSLICEP, & MAXIM,'OUTPUT',.FALSE.,IRTFLG) PSI = HUGE(PSI) CALL RDPRM3S(PHI,THETA,PSI,NOT_USED, & 'PHI, THETA & PSI',IRTFLG) IF (IRTFLG.NE.0) GOTO 9999 TVAL = HUGE(PSI) IF (PSI .EQ. TVAL) THEN CALL RDPRM1S(PSI,NOT_USED,'PSI',IRTFLG) IF (IRTFLG.NE.0) GOTO 9999 ENDIF ALLOCATE (B(NSAMP,NROWP), STAT=IRTFLG) IF (IRTFLG.NE.0) THEN MWANT = NSAMP * NROWP CALL ERRT(46,'PJ 3, B',MWANT) GOTO 9999 ENDIF B=0. CALL PJ33_N(CUBE,B,NSAM,NROW,NSLICE,NSAMP,NROWP,PSI,THETA,PHI) NSLICEP = 1 CALL WRITEV(IOPIC,B,NSAMP,NROWP,NSAMP,NROWP,NSLICEP) 9999 IF (ALLOCATED(B)) DEALLOCATE (B) IF (ALLOCATED(CUBE)) DEALLOCATE (CUBE) CLOSE(IOPIC) CLOSE(INPIC) END SUBROUTINE PJ33_N(CUBE,B,NSAM,NROW,NSLICE,NSAMP,NROWP, & PSI,THETA,PHI) DIMENSION CUBE(NSAM,NROW,NSLICE),B(NSAMP,NROWP) DIMENSION DM(9) DOUBLE PRECISION CPHI,SPHI,CTHE,STHE,CPSI,SPSI DOUBLE PRECISION QUADPI,DGR_TO_RAD,RAD_TO_DGR PARAMETER (QUADPI = 3.141592653589793238462643383279502884197) PARAMETER (DGR_TO_RAD = (QUADPI/180)) CPHI = DCOS(DBLE(PHI)*DGR_TO_RAD) SPHI = DSIN(DBLE(PHI)*DGR_TO_RAD) CTHE = DCOS(DBLE(THETA)*DGR_TO_RAD) STHE = DSIN(DBLE(THETA)*DGR_TO_RAD) CPSI = DCOS(DBLE(PSI)*DGR_TO_RAD) SPSI = DSIN(DBLE(PSI)*DGR_TO_RAD) DM(1) = CPHI*CTHE*CPSI-SPHI*SPSI DM(2) = SPHI*CTHE*CPSI+CPHI*SPSI DM(3) = -STHE*CPSI DM(4) = -CPHI*CTHE*SPSI-SPHI*CPSI DM(5) = -SPHI*CTHE*SPSI+CPHI*CPSI DM(6) = STHE*SPSI DM(7) = STHE*CPHI DM(8) = STHE*SPHI DM(9) = CTHE DM1 = DM(1) DM2 = DM(2) DM3 = DM(3) C ZERO THE WHOLE B ARRAY c B = 0.0 LDPX = NSAM/2+1 LDPY = NROW/2+1 LDPZ = NSLICE/2+1 MPPX = NSAMP/2+1 MPPY = NROWP/2+1 DO K=1,NSLICE DO J=1,NROW XB = (1-LDPX)*DM(1) + (J-LDPY)*DM(4) + & (K-LDPZ)*DM(7) + LDPX YB = (1-LDPX)*DM(2) + (J-LDPY)*DM(5) + & (K-LDPZ)*DM(8) + LDPY ZB = (1-LDPX)*DM(3) + (J-LDPY)*DM(6) + & (K-LDPZ)*DM(9) + LDPZ J2 = J-LDPY+MPPY IF (.NOT.(J2.LT.1 .OR. J2.GT.NROWP)) THEN DO I=1,NSAM IOX = IFIX(XB) IF(.NOT.(IOX.LT.1 .OR. IOX.GE.NSAM)) THEN IOY = IFIX(YB) IF (.NOT.(IOY.LT.1 .OR. IOY.GE.NROW)) THEN IOZ = IFIX(ZB) IF (.NOT.(IOZ.LT.1 .OR. IOZ.GE.NSLICE)) THEN I2=I-LDPX+MPPX IF (.NOT.(I2.LT.1 .OR. I2.GT.NSAMP))THEN DX = XB-IOX DY = YB-IOY DZ = ZB-IOZ A1 = CUBE(IOX,IOY,IOZ) A2 = CUBE(IOX+1,IOY,IOZ) - A1 A3 = CUBE(IOX,IOY+1,IOZ) - A1 A4 = CUBE(IOX,IOY,IOZ+1) - A1 A5 = -A2 - CUBE(IOX,IOY+1,IOZ) + & CUBE(IOX+1,IOY+1,IOZ) A61= - CUBE(IOX,IOY,IOZ+1) + & CUBE(IOX+1,IOY,IOZ+1) A6 = -A2 + A61 A7 = -A3 - CUBE(IOX,IOY,IOZ+1) + & CUBE(IOX,IOY+1,IOZ+1) A8 = -A5 - A61 - & CUBE(IOX,IOY+1,IOZ+1) + & CUBE(IOX+1,IOY+1,IOZ+1) B(I2,J2) = B(I2,J2)+ & A1 + DZ*(A4 + A6*DX + & (A7 + A8*DX)*DY) + A3*DY + & DX*(A2 + A5*DY) ENDIF ENDIF ENDIF ENDIF XB = XB + DM1 YB = YB + DM2 ZB = ZB + DM3 ENDDO ENDIF ENDDO ENDDO END