C Copyright(C) 1999-2020 National Technology & Engineering Solutions C of Sandia, LLC (NTESS). Under the terms of Contract DE-NA0003525 with C NTESS, the U.S. Government retains certain rights in this software. C C See packages/seacas/LICENSE for details C======================================================================= SUBROUTINE MPPOLA(DIST,AZIM,INC,TWIST) COMMON /MAP/MODEL(4,4),VIEW(4,4),PROJ(4,4),CPNEAR,CPFAR,VWPORT(4), * MVP(4,4),VP(4,4),CPLINE(2,2,10),CPPLAN(2,3,10),PEYE(3), * PLOOK(3),ETWIST,NCPLIN,NCPLAN,TMAT1(4,4),TMAT2(4,4), * TMAT3(4,4),TVEC1(4),TVEC2(4),TVEC3(4),TVEC4(4),TARR1(32), * TARR2(32),TARR3(32),TARR4(32),TARR5(32),TARR6(32), * TARR7(32),TARR8(32) REAL MODEL,MVP REAL INC PARAMETER (DPR=57.2958) ANG = -AZIM/DPR CALL LDROTA('y',COS(ANG),SIN(ANG),TMAT1) ANG = -INC/DPR CALL LDROTA('x',COS(ANG),SIN(ANG),TMAT2) CALL MXMULT(4,TMAT1,TMAT2,TMAT3) ANG = -TWIST/DPR CALL LDROTA('z',COS(ANG),SIN(ANG),TMAT1) CALL MXMULT(4,TMAT3,TMAT1,TMAT2) CALL LDTRAN(0.,0.,-DIST,TMAT1) CALL MXMULT(4,TMAT2,TMAT1,VIEW) CALL MXMULT(4,VIEW,PROJ,VP) CALL MXMULT(4,MODEL,VP,MVP) RINC = INC/DPR RAZIM = AZIM/DPR PEYE(1) = DIST*COS(RINC)*SIN(RAZIM) PEYE(2) = -DIST*SIN(RINC) PEYE(3) = DIST*COS(RINC)*COS(RAZIM) PLOOK(1) = 0. PLOOK(2) = 0. PLOOK(3) = 0. ETWIST = TWIST RETURN END