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K Jr SSKJr SSKJr SSKJr SSKJr SSKJr SSKJr SSKJr SrS rS r " S S\5 r g)z+Implementation of the Lattice table parser. ) annotationsN)Any )ImageConversionBackend)_line_crossing)adaptive_threshold)
find_contours) find_joints)find_joints_from_lines)
find_lines)find_lines_from_layout)
bbox_from_str)merge_close_lines) scale_image) scale_pdf)segments_in_bbox)text_in_bbox_per_axis )
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Xl:: d M X: d M X:: d M" g g)a True if a ruled line's extent overlaps any of the given bboxes.
Used by the vector engine to keep only lines relevant to the
user-supplied ``table_regions``. ``line`` is ``(x0, y0, x1, y1)`` and
each bbox is ``(x0, y0, x1, y1)`` = (left, bottom, right, top), both in
PDF coords.
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5 MP MY U$ )zLine crossings (joints) that fall inside ``bbox`` (PDF coords).
The vector engine's equivalent of the raster ``find_joints`` over a
user-supplied ``table_areas`` box: every h/v line intersection within
the box becomes a joint.
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rS rS rS rSrU =r$ )LatticeE u Lattice method looks for lines between text to parse the table.
Parameters
----------
table_regions : list, optional (default: None)
List of page regions that may contain tables of the form x1,y1,x2,y2
where (x1, y1) -> left-top and (x2, y2) -> right-bottom
in PDF coordinate space.
table_areas : list, optional (default: None)
List of table area strings of the form x1,y1,x2,y2
where (x1, y1) -> left-top and (x2, y2) -> right-bottom
in PDF coordinate space.
process_background : bool, optional (default: False)
Process background lines.
line_scale : int, optional (default: 15)
Line size scaling factor. The larger the value the smaller
the detected lines. Making it very large will lead to text
being detected as lines.
copy_text : list, optional (default: None)
{'h', 'v'}
Direction in which text in a spanning cell will be copied
over.
shift_text : list, optional (default: ['l', 't'])
{'l', 'r', 't', 'b'}
Direction in which text in a spanning cell will flow.
split_text : bool, optional (default: False)
Split text that spans across multiple cells.
flag_size : bool, optional (default: False)
Flag text based on font size. Useful to detect
super/subscripts. Adds