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ocrd_repair_inconsistencies
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unify function for 3 levels

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pull/6/head
Robert Sachunsky 5 years ago
parent f829015bb5
commit 9002606e1c
1 changed files with 47 additions and 73 deletions
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ocrd_repair_inconsistencies/ocrd_repair_inconsistencies.py
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@ -6,6 +6,7 @@ from collections import Sequence
from ocrd import Processor
from ocrd_modelfactory import page_from_file
from ocrd_models.ocrd_page import (
TextRegionType, TextLineType, WordType,
to_xml
)
from ocrd_utils import (
@ -49,7 +50,7 @@ class RepairInconsistencies(Processor):
page_id, region.id, textLineOrder)
continue
_fix_lines(region, page_id, reverse=textLineOrder=='bottom-to-top')
_fix_segment(region, page_id, reverse=textLineOrder=='bottom-to-top')
lines = region.get_TextLine()
for line in lines:
@ -65,7 +66,7 @@ class RepairInconsistencies(Processor):
page_id, line.id, readingDirection)
continue
_fix_words(line, page_id, reverse=readingDirection=='right-to-left')
_fix_segment(line, page_id, reverse=readingDirection=='right-to-left')
words = line.get_Word()
for word in words:
@ -81,7 +82,7 @@ class RepairInconsistencies(Processor):
page_id, word.id, readingDirection)
continue
_fix_glyphs(word, page_id, reverse=readingDirection=='right-to-left')
_fix_segment(word, page_id, reverse=readingDirection=='right-to-left')
file_id = input_file.ID.replace(self.input_file_grp, self.output_file_grp)
if file_id == input_file.ID:
@ -113,75 +114,48 @@ def get_text(thing, joiner=None):
return text
def _fix_words(line, page_id, reverse=False):
"""Fix word order in a line"""
words = line.get_Word()
if not words:
return
line_text = get_text(line)
words_text = get_text(words, ' ')
if line_text != words_text:
sorted_words = sorted(words, reverse=reverse,
key=lambda w: Polygon(polygon_from_points(w.get_Coords().points)).centroid.x)
sorted_words_text = get_text(sorted_words, ' ')
if (sorted_words_text == line_text or
sorted_words_text.replace(' ', '') == line_text.replace(' ', '')):
LOG.info('Fixing word order of page "%s" line "%s"', page_id, line.id)
line.set_Word(sorted_words)
else:
LOG.debug('Resorting lines of page "%s" line "%s" from %s to %s does not suffice to turn "%s" into "%s"',
page_id, line.id,
str([word.id for word in words]),
str([word.id for word in sorted_words]),
words_text, line_text)
def _fix_glyphs(word, page_id, reverse=False):
"""Fix glyph order in a word"""
glyphs = word.get_Glyph()
if not glyphs:
return
word_text = get_text(word)
glyphs_text = get_text(glyphs, '')
if word_text != glyphs_text:
sorted_glyphs = sorted(glyphs, reverse=reverse,
key=lambda g: Polygon(polygon_from_points(g.get_Coords().points)).centroid.x)
sorted_glyphs_text = get_text(sorted_glyphs, '')
if sorted_glyphs_text == word_text:
LOG.info('Fixing glyph order of page "%s" word "%s"', page_id, word.id)
word.set_Glyph(sorted_glyphs)
else:
LOG.debug('Resorting glyphs of page "%s" word "%s" from %s to %s does not suffice to turn "%s" into "%s"',
page_id, word.id,
str([glyph.id for glyph in glyphs]),
str([glyph.id for glyph in sorted_glyphs]),
glyphs_text, word_text)
def _fix_lines(region, page_id, reverse=False):
"""Fix line order in a region"""
lines = region.get_TextLine()
if not lines:
def _fix_segment(segment, page_id, reverse=False):
"""Fix order of child elements of (region/line/word) segment."""
if isinstance(segment, TextRegionType):
joiner = '\n'
sort_horizontal = False
children = segment.get_TextLine()
adoption = segment.set_TextLine
elif isinstance(segment, TextLineType):
joiner = ' '
sort_horizontal = True
children = segment.get_Word()
adoption = segment.set_Word
elif isinstance(segment, WordType):
joiner = ''
sort_horizontal = True
children = segment.get_Glyph()
adoption = segment.set_Glyph
else:
raise Exception('invalid element type %s of segment to fix' % type(segment))
if not children:
return
region_text = get_text(region)
lines_text = get_text(lines, '\n')
if region_text != lines_text:
sorted_lines = sorted(lines, reverse=reverse,
key=lambda l: Polygon(polygon_from_points(l.get_Coords().points)).centroid.y)
sorted_lines_text = get_text(sorted_lines, '\n')
if (sorted_lines_text == region_text or
sorted_lines_text.replace('\n', '') == region_text.replace('\n', '')):
LOG.info('Fixing line order of page "%s" region "%s"', page_id, region.id)
region.set_TextLine(sorted_lines)
segment_text = get_text(segment)
concat_text = get_text(children, joiner)
if (segment_text != concat_text and
segment_text.replace(joiner, '') != concat_text.replace(joiner, '')):
def polygon_position(child, horizontal=sort_horizontal):
polygon = Polygon(polygon_from_points(child.get_Coords().points))
if horizontal:
return polygon.centroid.x
else:
return polygon.centroid.y
sorted_children = sorted(children, reverse=reverse, key=polygon_position)
sorted_concat_text = get_text(sorted_children, joiner)
if (segment_text == sorted_concat_text or
segment_text.replace(joiner, '') == sorted_concat_text.replace(joiner, '')):
LOG.info('Fixing element order of page "%s" segment "%s"', page_id, segment.id)
adoption(sorted_children)
else:
LOG.debug('Resorting lines of page "%s" region "%s" from %s to %s does not suffice to turn "%s" into "%s"',
page_id, region.id,
str([line.id for line in lines]),
str([line.id for line in sorted_lines]),
lines_text, region_text)
LOG.debug('Resorting children of page "%s" segment "%s" from %s to %s does not suffice to turn "%s" into "%s"',
page_id, segment.id,
str([seg.id for seg in children]),
str([seg.id for seg in sorted_children]),
concat_text, segment_text)

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