本文整理汇总了Python中utils.Plane方法的典型用法代码示例。如果您正苦于以下问题：Python utils.Plane方法的具体用法？Python utils.Plane怎么用？Python utils.Plane使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类utils的用法示例。
在下文中一共展示了utils.Plane方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: get_textboxes
# 需要导入模块: import utils [as 别名]
# 或者: from utils import Plane [as 别名]
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
# 需要导入模块: import utils [as 别名]
# 或者: from utils import Plane [as 别名]
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
# 需要导入模块: import utils [as 别名]
# 或者: from utils import Plane [as 别名]
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)