hofig3s29
Skeletonization by skeletal subsets

from morph import *

S=mmbinary([
  [0,0,0,0,0,0,0,0,0],
  [0,0,0,0,1,0,0,0,0],
  [0,0,0,1,1,1,0,0,0],
  [0,0,0,1,1,1,0,0,0],
  [0,0,1,1,1,1,1,0,0],
  [0,1,1,1,1,1,1,1,0],
  [0,1,1,1,1,1,1,1,0],
  [0,1,1,1,1,1,1,1,0],
  [0,1,1,1,1,1,1,1,0],
  [0,1,1,1,1,1,1,1,0],
  [0,0,0,0,0,0,0,0,0]])

fig1a=mmero(S,mmsebox(0))

fig2a=mmero(S,mmsebox(1))

fig3a=mmero(S,mmsebox(2))

fig1b=mmopen(mmero(S,mmsebox(0)),mmsebox())

fig2b=mmopen(mmero(S,mmsebox(1)),mmsebox())

fig3b=mmopen(mmero(S,mmsebox(2)),mmsebox())

fig1c=mmopenth(mmero(S,mmsebox(0)),mmsebox())

fig2c=mmopenth(mmero(S,mmsebox(1)),mmsebox())

fig3c=mmopenth(mmero(S,mmsebox(2)),mmsebox())

fig1d=fig1c

fig2d=mmunion(fig1c,fig2c)

fig3d=mmunion(fig1c,fig2c,fig3c)

mmshow(mmbshow(S,fig1a))

mmshow(mmbshow(S,fig1b))

mmshow(mmbshow(S,fig1c))

mmshow(mmbshow(S,fig1d))

mmshow(mmbshow(S,fig2a))

mmshow(mmbshow(S,fig2b))

mmshow(mmbshow(S,fig2c))

mmshow(mmbshow(S,fig2d))

mmshow(mmbshow(S,fig3a))

mmshow(mmbshow(S,fig3b))

mmshow(mmbshow(S,fig3c))

mmshow(mmbshow(S,fig3d))