本文整理匯總了Python中utils.Plane方法的典型用法代碼示例。如果您正苦於以下問題：Python utils.Plane方法的具體用法？Python utils.Plane怎麽用？Python utils.Plane使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類utils的用法示例。
在下文中一共展示了utils.Plane方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: get_textboxes
# 需要導入模塊: import utils [as 別名]
# 或者: from utils import Plane [as 別名]
def get_textboxes(self, laparams, lines):
plane = Plane(lines)
boxes = {}
for line in lines:
neighbors = line.find_neighbors(plane, laparams.line_margin)
assert line in neighbors, line
members = []
for obj1 in neighbors:
members.append(obj1)
if obj1 in boxes:
members.extend(boxes.pop(obj1))
if isinstance(line, LTTextLineHorizontal):
box = LTTextBoxHorizontal()
else:
box = LTTextBoxVertical()
for obj in uniq(members):
box.add(obj)
boxes[obj] = box
done = set()
for line in lines:
box = boxes[line]
if box in done: continue
done.add(box)
yield box.analyze(laparams)
return 示例2: group_textlines
# 需要導入模塊: import utils [as 別名]
# 或者: from utils import Plane [as 別名]
def group_textlines(self, laparams, lines):
plane = Plane(self.bbox)
plane.extend(lines)
boxes = {}
for line in lines:
neighbors = line.find_neighbors(plane, laparams.line_margin)
if line not in neighbors: continue
members = []
for obj1 in neighbors:
members.append(obj1)
if obj1 in boxes:
members.extend(boxes.pop(obj1))
if isinstance(line, LTTextLineHorizontal):
box = LTTextBoxHorizontal()
else:
box = LTTextBoxVertical()
for obj in uniq(members):
box.add(obj)
boxes[obj] = box
done = set()
for line in lines:
if line not in boxes: continue
box = boxes[line]
if box in done:
continue
done.add(box)
if not box.is_empty():
yield box
return
# group_textboxes: group textboxes hierarchically. 示例3: group_textboxes
# 需要導入模塊: import utils [as 別名]
# 或者: from utils import Plane [as 別名]
def group_textboxes(self, laparams, boxes):
assert boxes
def dist(obj1, obj2):
"""A distance function between two TextBoxes.
Consider the bounding rectangle for obj1 and obj2.
Return its area less the areas of obj1 and obj2,
shown as 'www' below. This value may be negative.
+------+..........+ (x1, y1)
| obj1 |wwwwwwwwww:
+------+www+------+
:wwwwwwwwww| obj2 |
(x0, y0) +..........+------+
"""
x0 = min(obj1.x0, obj2.x0)
y0 = min(obj1.y0, obj2.y0)
x1 = max(obj1.x1, obj2.x1)
y1 = max(obj1.y1, obj2.y1)
return ((x1-x0)*(y1-y0) - obj1.width*obj1.height - obj2.width*obj2.height)
def isany(obj1, obj2):
"""Check if there's any other object between obj1 and obj2.
"""
x0 = min(obj1.x0, obj2.x0)
y0 = min(obj1.y0, obj2.y0)
x1 = max(obj1.x1, obj2.x1)
y1 = max(obj1.y1, obj2.y1)
objs = set(plane.find((x0, y0, x1, y1)))
return objs.difference((obj1, obj2))
# XXX this still takes O(n^2) :(
dists = []
for i in xrange(len(boxes)):
obj1 = boxes[i]
for j in xrange(i+1, len(boxes)):
obj2 = boxes[j]
dists.append((0, dist(obj1, obj2), obj1, obj2))
dists.sort()
plane = Plane(self.bbox)
plane.extend(boxes)
while dists:
(c, d, obj1, obj2) = dists.pop(0)
if c == 0 and isany(obj1, obj2):
dists.append((1, d, obj1, obj2))
continue
if (isinstance(obj1, (LTTextBoxVertical, LTTextGroupTBRL)) or
isinstance(obj2, (LTTextBoxVertical, LTTextGroupTBRL))):
group = LTTextGroupTBRL([obj1, obj2])
else:
group = LTTextGroupLRTB([obj1, obj2])
plane.remove(obj1)
plane.remove(obj2)
# this line is optimized -- don't change without profiling
dists = [n for n in dists if n[2] in plane._objs and n[3] in plane._objs]
for other in plane:
dists.append((0, dist(group, other), group, other))
dists.sort()
plane.add(group)
assert len(plane) == 1
return list(plane)