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General aspects of plotting with PyX
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How do I generate multipage output?
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With versions 0.8 and higher it is possible to produce multipage output,
i.e. a Postscript or PDF file containing more than one page. In order to
achieve this, one creates pages by drawing on a canvas as usual and
appends them in the desired order to a document from which Postscript or
PDF output is produced. The following example serves as an illustration::
from pyx import *
d = document.document()
for i in range(3):
c = canvas.canvas()
c.text(0, 0, "page %i" % (i+1))
d.append(document.page(c, paperformat=document.paperformat.A4,
margin=3*unit.t\_cm,
fittosize=1))
d.writePSfile("multipage")
Here, ``d`` is the document into which pages are inserted by means of the
``append`` method. When converting from a canvas to a document page, the page
properties like the paperformat are specified. In the last line, output is
produced from document ``d``.
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