SUBROUTINE COMPWGT(ISWT)

      USE BLK1MOD 
!      INCLUDE 'BLK1.COM'
!      COMMON/ICN1/ ICN(MAXP) 

      DIST(X1,X2,Y1,Y2)=SQRT((X1-X2)**2+(Y1-Y2)**2)

      DO J=1,MAXP 
        ICN(J)=0 
      END DO 
!     First sort out the potential midsides                             
!     Note that transition elements caues a problem                     
!     Find these first                                                  
      DO 200 N=1,NE 
        if(NCORN(N) .GT. 5) GO TO 200
        IF(NCORN(N) .EQ. 5  .AND.  IMAT(N) .LT. 901) THEN 
!                                                                       
!     We have a transition  mark node number as if it were corner       
!                                                                       
          ICN(NOP(N,3))=-1 
          ICN(NOP(N,1))=IMAT(N) 
          ICN(NOP(N,4))=IMAT(N) 
          ICN(NOP(N,5))=IMAT(N) 
        ELSE 
!                                                                       
!     Store ICN = 2 for corner nodes                                    
!                                                                       
          NCN=NCORN(N) 
!IPKOCT93          IF(IMAT(N) .GT. 900) THEN                            
          IF(IMAT(N) .GT. 900  .AND.  IMAT(N) .LT. 904) THEN 
            GO TO 185
          ELSE 
            MST=2 
          ENDIF 

          DO 180 M=1,NCN,MST 
            ICN(NOP(N,M))=IMAT(N) 
  180     CONTINUE 
  185     CONTINUE
        ENDIF 
  200 END DO
   
      DO N=1,NP
        IF(ICN(N) .GT. 0) THEN
         IF(ISWT .EQ. 0  .OR.  (WTRIVCR1(N) .EQ. 0.  .AND.  WTRIVCR2(N) .EQ. 0)) THEN
          ADIST=1.E20
          DO J=1,NCRSEC
            IF(IVMIL(J) .EQ. 0) CYCLE
            IF(ICN(N) .EQ. NOREACH(IVMIL(J))) THEN
              A1=DIST(XUSR(N),XCRS(IVMIL(J)),YUSR(N),YCRS(IVMIL(J)))
              IF(A1 .LT. ADIST) THEN
                ADIST=A1
                NSEC1=IVMIL(J)
              ENDIF
            ENDIF
          ENDDO
!IPK JUN04
          IF(ADIST .EQ. 1.E20) THEN
            NRIVCR1(N)=0
            NRIVCR2(N)=0
            WTRIVCR1(N)=0
            WTRIVCR2(N)=0
          ELSE
            BDIST=1.E20
            DO J=1,NCRSEC
              IF(IVMIL(J) .EQ. 0) CYCLE
              IF(ICN(N) .EQ. NOREACH(IVMIL(J))) THEN
                IF(IVMIL(J) .NE. NSEC1) THEN 
                  A1=DIST(XUSR(N),XCRS(IVMIL(J)),YUSR(N),YCRS(IVMIL(J)))
                  A2=DIST(XCRS(NSEC1),XCRS(IVMIL(J)),YCRS(NSEC1),YCRS(IVMIL(J)))

!       A1 IS DISTANCE TO  NODE
!       A2 IS DISTANCE TO RECORDED POINT

                  IF(A2 .GE. A1) THEN
                    IF(A1 .LT. BDIST) THEN
                      BDIST=A1
                      NSEC2=IVMIL(J)
                    ENDIF
                  ENDIF
                ENDIF
              ENDIF
            ENDDO
            IF(BDIST .EQ. 1.E20) NSEC2=NSEC1
            NRIVCR1(N)=NSEC1
            NRIVCR2(N)=NSEC2
            WTRIVCR1(N)=BDIST/(ADIST+BDIST)
            WTRIVCR2(N)=ADIST/(ADIST+BDIST)
          ENDIF
         ENDIF 
        ENDIF
      ENDDO
      RETURN
      END

      SUBROUTINE GETCSLOC
      use winteracter
      USE BLK1MOD 
!      INCLUDE 'BLK1.COM' 
      INCLUDE  'TXFRM.COM' 
!-                                                                      

      include 'd.inc'

!
! Declare window-type and message variables
!
      TYPE(WIN_STYLE)    :: WINDOW

      TYPE(WIN_MESSAGE) :: MESSAGE
      INTEGER           :: IERR,ISET,IBOX
      REAL              :: ASET
      CHARACTER*1       :: IFLAG

      call wdialogload(IDD_CSLOC)
      ierr=infoerror(1)

      CALL WDialogSelect(IDD_CSLOC)
      ierr=infoerror(1)

      ISET=1
  100 continue

        
      CALL WDialogPutINTEGER(IDF_INTEGER1,ISET)

      CALL WDialogShow(-1,-1,0,Modal)
      ierr=infoerror(1)

      DO
!
          IF (WInfoDialog(ExitButton) .EQ. IDOK) THEN


              CALL WDialogGetINTEGER(IDF_INTEGER1,ISET)
			  GO TO 200
          else
              RETURN
          endif
      ENDDO
  200 CONTINUE

      CALL XYLOC(XX,YY,IFLAG,IBOX) 
      IF(IRMAIN .EQ. 1) RETURN 
      XCRS(ISET) = XX*TXSCAL - XS 
      YCRS(ISET) = YY*TXSCAL - YS 
      GO TO 100

      RETURN
      END