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6
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1 class SlidingWindow(object):
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2
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3 def __init__( self, length = 1, overlap = 1 ):
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4 self._length = length
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5 self._overlap = overlap
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6 self._start = 1
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7 self._end = length
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8 self._step = length - overlap
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9
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10 def slideWindowOnce(self):
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11 self._start = self._start + self._step
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12 self._end = self._end + self._step
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13
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14 def getStart(self):
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15 return self._start
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16
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17 def getEnd(self):
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18 return self._end
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19
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20 def setStart(self, start):
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21 self._start = start
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22
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23 def setEnd(self, end):
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24 self._end = end
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25
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26 def getLength(self):
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27 return self._length
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28
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29 def getOverlap(self):
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30 return self._overlap
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31
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32 def setLength(self, length):
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33 self._length = length
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34
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35 def setOverlap(self, overlap):
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36 self._overlap = overlap
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37
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38 def getSlidingMsg(self):
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39 return "Window is sliding : %s %s" %(self._start, self._end)
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40
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41 class SlidingWindowToCountMatchingBases(SlidingWindow):
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42
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43 def getSetLengthOnWindow( self, iSet ):
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44 if self._isSetIncludedInTheWindow(iSet):
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45 return iSet.getLength()
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46 if self._isWindowIncludedInTheSet(iSet):
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47 return self._length
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48 elif self._isSetOverlapTheRightSideOfTheWindow(iSet):
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49 return self._end - iSet.getMin()+1
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50 elif self._isSetOverlapTheLeftSideOfTheWindow(iSet):
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51 return iSet.getMax() - self._start+1
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52
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53 def getCoordSetOnWindow( self, iSet ):
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54 if self._isSetIncludedInTheWindow(iSet):
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55 return iSet.getStart(), iSet.getEnd()
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56 if self._isWindowIncludedInTheSet(iSet):
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57 return self.getStart(), self.getEnd()
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58 elif self._isSetOverlapTheRightSideOfTheWindow(iSet):
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59 return iSet.getStart(), self.getEnd()
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60 elif self._isSetOverlapTheLeftSideOfTheWindow(iSet):
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61 return self.getStart(), iSet.getEnd()
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62
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63 def _isSetIncludedInTheWindow(self, feature):
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64 return feature.getMin() >= self._start and feature.getMax() <= self._end
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65
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66 def _isWindowIncludedInTheSet(self, feature):
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67 return self._start >= feature.getMin() and self._end <= feature.getMax()
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68
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69 def _isSetOverlapTheRightSideOfTheWindow(self, feature):
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70 return feature.getMin() <= self._end and feature.getMin() >= self._start
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71
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72 def _isSetOverlapTheLeftSideOfTheWindow(self, feature):
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73 return feature.getMax() <= self._end and feature.getMax() >= self._start
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