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30 lines
738 B
Fortran
30 lines
738 B
Fortran
SUBROUTINE FRMNODQ(X1,Y1,X2,Y2,X3,Y3,X4,Y4,NPTS1,NPTS2)
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USE BLK1MOD
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! INCLUDE 'BLK1.COM'
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! X1,X2,X3,X4 AND Y1,Y2,Y3,Y4 are vertices of quad
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! NPTS1 and NPTS2 are the nominal number of elements on each side
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! Work along first side AND backwards along second line
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DO N=1,NPTS1-1
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RATIO=FLOAT(N)/FLOAT(NPTS1)
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X12=X1+RATIO*(X2-X1)
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Y12=Y1+RATIO*(Y2-Y1)
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X43=X4+RATIO*(X3-X4)
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Y43=Y4+RATIO*(Y3-Y4)
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! Now get interior points
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DO M=1,NPTS2-1
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RATIO=FLOAT(M)/FLOAT(NPTS2)
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XNEW=X12+RATIO*(X43-X12)
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YNEW=Y12+RATIO*(Y43-Y12)
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CALL DEFNOD(XNEW,YNEW)
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ENDDO
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ENDDO
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RETURN
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END
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