91 lines
2.9 KiB
Fortran
91 lines
2.9 KiB
Fortran
! THE GENPLOTTING MODULE
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!
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! new Thu Apr 23 01:13.37 PM UTC 2026
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!
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module genplotting
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implicit none
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real :: xmin, xmax, ymin, ymax
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private :: xmin, xmax, ymin, ymax
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real :: xoffset, yoffset, xscale, yscale
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private :: xoffset, yoffset, xscale, yscale
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integer :: outunit
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private :: outunit
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contains
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! ---------------------------------------------------------
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subroutine genp_init (foo, fname)
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integer, intent(in) :: foo
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character (len=*), intent(in) :: fname
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outunit = 6 ! stdout
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if (len(fname) .gt. 0) then
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write (0, '("genplot init opening : ", A)') fname
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open(newunit=outunit,file=fname)
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endif
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xmin = 9e9 ; xmax = -9e9
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ymin = 9e9 ; ymax = -9e9
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xoffset = 0.0 ; yoffset = 0.0
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xscale = 0.0 ; yscale = 0.0
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end subroutine
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! ---------------------------------------------------------
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subroutine genp_set_offset(ox, oy)
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real, intent(in) :: ox, oy
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xoffset = ox ; yoffset = oy
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end subroutine
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subroutine genp_get_offset(ox, oy)
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real, intent(out) :: ox, oy
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ox = xoffset ; oy = yoffset
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end subroutine
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! ---------------------------------------------------------
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subroutine genp_move (px, py)
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real, intent(in) :: px, py
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real :: lx, ly
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lx = px + xoffset ; ly = py + yoffset
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write (outunit, '(2F12.5, I5)') lx, ly, -1
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if (lx .lt. xmin) xmin = lx
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if (lx .gt. xmax) xmax = lx
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if (ly .lt. ymin) ymin = ly
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if (ly .gt. ymax) ymax = ly
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end subroutine
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! ---------------------------------------------------------
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subroutine genp_draw (px, py, color)
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real, intent(in) :: px, py
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integer, intent(in) :: color
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real :: lx, ly
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lx = px + xoffset ; ly = py + yoffset
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write (outunit, '(2F12.5, I5)') lx, ly, color
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if (lx .lt. xmin) xmin = lx
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if (lx .gt. xmax) xmax = lx
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if (ly .lt. ymin) ymin = ly
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if (ly .gt. ymax) ymax = ly
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end subroutine
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! ---------------------------------------------------------
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! ---------------------------------------------------------
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subroutine genp_end (foo)
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integer, intent(in) :: foo
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write (0, '("--- genp_end ---")')
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write (0, '("minmax X", 2F16.5)') xmin, xmax
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write (0, '("minmax Y", 2F16.5)') ymin, ymax
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write (outunit, '(2F16.5, I6)') xmin*1.05, ymin*1.05, -1
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write (outunit, '(2F16.5, I6)') xmin*1.05, ymax*1.05, 0
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write (outunit, '(2F16.5, I6)') xmax*1.05, ymax*1.05, 0
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write (outunit, '(2F16.5, I6)') xmax*1.05, ymin*1.05, 0
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write (outunit, '(2F16.5, I6)') xmin*1.05, ymin*1.05, 0
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close (outunit)
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if (6 .ne. outunit) then
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write (0, '("genp_end on ", I6, " is ", I6)') outunit, foo
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endif
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end subroutine
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! ---------------------------------------------------------
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! ---------------------------------------------------------
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end module genplotting
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