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benosteen/get_images.py

Created March 10, 2017 13:06
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get_images.py
# 'doc' is ALTO XML, parsed into an etree xml obj.
def get_illustration_coords(doc, component="PrintSpace"):
page = doc.find("Layout/Page")
illustrations = doc.findall('Layout/Page/{0}/ComposedBlock[@TYPE="Illustration"]/GraphicalElement'.format(component))
pageh, pagew = int(page.attrib['HEIGHT']), int(page.attrib['WIDTH'])
images = []
for img in illustrations:
x,y = map(int, [img.attrib['HPOS'], img.attrib['VPOS']])
h,w = map(int, [img.attrib['HEIGHT'], img.attrib['WIDTH']])
images.append([x,y,w,h])
return (pagew, pageh), images
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