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Fix magic grid extension

pull/2/head
Vinayak Mehta 2016-08-31 21:06:41 +05:30 committed by GitHub
parent 552f9cf422
commit 2a55621d05
1 changed files with 16 additions and 7 deletions
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23
camelot/stream.py
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@ -132,11 +132,19 @@ def _add_columns(cols, text, ytolerance):
return cols
def _join_columns(cols, width):
def _get_table_bounds(rows):
x0 = min([t.x0 for r in rows for t in r])
x1 = max([t.x1 for r in rows for t in r])
y0 = min([t.y0 for t in rows[-1]])
y1 = max([t.y1 for t in rows[0]])
return x0, x1, y0, y1
def _join_columns(cols, text_x_min, text_x_max):
cols = sorted(cols)
cols = [(cols[i][0] + cols[i - 1][1]) / 2 for i in range(1, len(cols))]
cols.insert(0, 0)
cols.append(width) # or some tolerance
cols.insert(0, text_x_min)
cols.append(text_x_max)
cols = [(cols[i], cols[i + 1])
for i in range(0, len(cols) - 1)]
return cols
@ -214,8 +222,9 @@ class Stream:
row_mids = [sum([(t.y0 + t.y1) / 2 for t in r]) / len(r)
if len(r) > 0 else 0 for r in rows_grouped]
rows = [(row_mids[i] + row_mids[i - 1]) / 2 for i in range(1, len(row_mids))]
rows.insert(0, height) # or some tolerance
rows.append(0)
bounds = _get_table_bounds(rows_grouped)
rows.insert(0, bounds[3])
rows.append(bounds[2])
rows = [(rows[i], rows[i + 1])
for i in range(0, len(rows) - 1)]
@ -239,7 +248,7 @@ class Stream:
" isn't the same as what you specified."
" Change the value of mtol.".format(
os.path.basename(bname)))
cols = _join_columns(cols, width)
cols = _join_columns(cols, bounds[0], bounds[1])
else:
guess = True
ncols = max(set(elements), key=elements.count)
@ -261,7 +270,7 @@ class Stream:
outer_text = [t for t in text if t.x0 > cols[-1][1] or t.x1 < cols[0][0]]
inner_text.extend(outer_text)
cols = _add_columns(cols, inner_text, self.ytol)
cols = _join_columns(cols, width)
cols = _join_columns(cols, bounds[0], bounds[1])
pdf_page = {}
page_tables = {}