/
PathInefficiency.py
43 lines (29 loc) · 1.12 KB
/
PathInefficiency.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
import math
import vtk
from PythonMetricsCalculator import PerkEvaluatorMetric
class PathInefficiency( PerkEvaluatorMetric ):
@staticmethod
def GetMetricName():
return "Path Inefficiency"
@staticmethod
def GetMetricUnit():
return "%"
@staticmethod
def GetAcceptedTransformRoles():
return ["Any"]
def __init__( self ):
PerkEvaluatorMetric.__init__( self )
self.startPoint = None
self.prevPoint = None
self.startFinishDistance = 0
self.pathLength = 0
def AddTimestamp( self, time, matrix, point ):
if ( self.startPoint is None ):
self.startPoint = point[:]
self.startFinishDistance = math.sqrt( vtk.vtkMath.Distance2BetweenPoints( self.startPoint[:3], point[:3] ) )
if ( self.prevPoint != None ):
currPath = math.sqrt( math.pow( point[0] - self.prevPoint[0], 2 ) + math.pow( point[1] - self.prevPoint[1], 2 ) + math.pow( point[2] - self.prevPoint[2], 2 ) )
self.pathLength = self.pathLength + currPath
self.prevPoint = point[:] # Require element copy
def GetMetric( self ):
return 100 * ( self.pathLength / self.startFinishDistance - 1 )