本文整理匯總了Python中cadnano.strand.Strand.resize方法的典型用法代碼示例。如果您正苦於以下問題：Python Strand.resize方法的具體用法？Python Strand.resize怎麽用？Python Strand.resize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cadnano.strand.Strand的用法示例。
在下文中一共展示了Strand.resize方法的2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: resizeSelection
# 需要導入模塊: from cadnano.strand import Strand [as 別名]
# 或者: from cadnano.strand.Strand import resize [as 別名]
def resizeSelection(self, delta, use_undostack=True):
"""
Moves the selected idxs by delta by first iterating over all strands
to calculate new idxs (method will return if snap-to behavior would
create illegal state), then applying a resize command to each strand.
"""
resize_list = []
# calculate new idxs
for strandset_dict in self._selection_dict.values():
for strand, selected in strandset_dict.items():
part = strand.virtualHelix().part()
idxL, idxH = strand.idxs()
newL, newH = strand.idxs()
deltaL = deltaH = delta
# process xovers to get revised delta
if selected[0] and strand.connectionLow():
newL = part.xoverSnapTo(strand, idxL, delta)
if newL == None:
return
deltaH = newL-idxL
if selected[1] and strand.connectionHigh():
newH = part.xoverSnapTo(strand, idxH, delta)
if newH == None:
return
deltaL = newH-idxH
# process endpoints
if selected[0] and not strand.connectionLow():
newL = idxL + deltaL
if selected[1] and not strand.connectionHigh():
newH = idxH + deltaH
if newL > newH: # check for illegal state
return
resize_list.append((strand, newL, newH))
# end for
# end for
# execute the resize commands
if use_undostack:
self.undoStack().beginMacro("Resize Selection")
for strand, idxL, idxH in resize_list:
Strand.resize(strand, (idxL, idxH), use_undostack)
if use_undostack:
self.undoStack().endMacro()示例2: resizeSelection
# 需要導入模塊: from cadnano.strand import Strand [as 別名]
# 或者: from cadnano.strand.Strand import resize [as 別名]
def resizeSelection(self, delta, use_undostack=True):
""" Moves the selected idxs by delta by first iterating over all strands
to calculate new idxs (method will return if snap-to behavior would
create illegal state), then applying a resize command to each strand.
Args:
delta (float):
use_undostack (bool): optional, default is True
"""
resize_list = []
vh_set = set()
# calculate new idxs
part = None
for strandset_dict in self._selection_dict.values():
for strand, selected in strandset_dict.items():
if part is None:
part = strand.part()
idx_low, idx_high = strand.idxs()
new_low, new_high = strand.idxs()
delta_low = delta_high = delta
# process xovers to get revised delta
if selected[0] and strand.connectionLow():
new_low = part.xoverSnapTo(strand, idx_low, delta)
if new_low is None:
return
delta_high = new_low - idx_low
if selected[1] and strand.connectionHigh():
new_high = part.xoverSnapTo(strand, idx_high, delta)
if new_high is None:
return
delta_low = new_high - idx_high
# process endpoints
if selected[0] and not strand.connectionLow():
new_low = idx_low + delta_low
if selected[1] and not strand.connectionHigh():
new_high = idx_high + delta_high
if new_low > new_high: # check for illegal state
return
vh_set.add(strand.idNum())
resize_list.append((strand, new_low, new_high))
# end for
# end for
# execute the resize commands
us = self.undoStack()
if use_undostack:
us.beginMacro("Resize Selection")
for strand, idx_low, idx_high in resize_list:
Strand.resize(strand,
(idx_low, idx_high),
use_undostack,
update_segments=False)
if resize_list:
cmd = RefreshSegmentsCommand(part, vh_set)
if use_undostack:
us.push(cmd)
else:
cmd.redo()
if use_undostack:
us.endMacro()