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from pyx import *
c = canvas.canvas()
rect1 = path.path(path.moveto(0, 0), path.lineto(1, 0),
path.moveto(1, 0), path.lineto(1, 1),
path.moveto(1, 1), path.lineto(0, 1),
path.moveto(0, 1), path.lineto(0, 0))
rect2 = path.path(path.moveto(0, 0), path.lineto(0, 1),
path.lineto(1, 1), path.lineto(1, 0),
path.lineto(0, 0))
rect3 = path.path(path.moveto(0, 0), path.lineto(0, 1),
path.lineto(1, 1), path.lineto(1, 0),
path.closepath())
c.stroke(rect1, [trafo.scale(2), style.linewidth.THICK])
c.text(1, -0.7, "(a)", [text.halign.center])
c.stroke(rect2, [trafo.scale(2).translated(4, 0), style.linewidth.THICK])
c.text(5, -0.7, "(b)", [text.halign.center])
c.stroke(rect3, [trafo.scale(2).translated(8, 0), style.linewidth.THICK])
c.text(9, -0.7, "(c)", [text.halign.center])
c.stroke(rect3, [trafo.scale(2).translated(12, 0), style.linewidth.THICK, deco.filled([color.grey(0.95)])])
c.text(13, -0.7, "(d)", [text.halign.center])
c.writeEPSfile("rects")
c.writePDFfile("rects")
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