Mercurial Hosting > traffic-intelligence

annotate python/utils.py @ 332:a6ca86107f27

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
reorganized utils module
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Fri, 14 Jun 2013 09:53:32 -0400
parents 99ca91a46007
children c9201f6b143a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
1 #! /usr/bin/env python
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
2 ''' Generic utilities.'''
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
3
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
4 #from numpy import *
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
5 #from pylab import *
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
6
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
7 __metaclass__ = type
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
8
45
74d2de078baf added colors, linestyles and markers to pick from
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 42
diff changeset
9 commentChar = '#'
0
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
10
48
8aed225f71d8 rearranged code for function readline and getlines (and characters), moved invertHomography to cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 46
diff changeset
11 delimiterChar = '%';
8aed225f71d8 rearranged code for function readline and getlines (and characters), moved invertHomography to cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 46
diff changeset
12
185
c06379f25ab8 utilities for user types
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 181
diff changeset
13 #########################
c06379f25ab8 utilities for user types
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 181
diff changeset
14 # Enumerations
c06379f25ab8 utilities for user types
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 181
diff changeset
15 #########################
c06379f25ab8 utilities for user types
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 181
diff changeset
16
c06379f25ab8 utilities for user types
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 181
diff changeset
17 def inverseEnumeration(l):
c06379f25ab8 utilities for user types
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 181
diff changeset
18 'Returns the dictionary that provides for each element in the input list its index in the input list'
c06379f25ab8 utilities for user types
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 181
diff changeset
19 result = {}
c06379f25ab8 utilities for user types
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 181
diff changeset
20 for i,x in enumerate(l):
c06379f25ab8 utilities for user types
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 181
diff changeset
21 result[x] = i
c06379f25ab8 utilities for user types
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 181
diff changeset
22 return result
155
f03fe3d6d0c8 added functions to parse options
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 152
diff changeset
23
f03fe3d6d0c8 added functions to parse options
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 152
diff changeset
24 #########################
31
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
25 # simple statistics
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
26 #########################
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
27
301
27f06d28036d added simple helper for confidence intervals
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 297
diff changeset
28 def confidenceInterval(mean, stdev, nSamples, percentConfidence, printLatex = False):
27f06d28036d added simple helper for confidence intervals
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 297
diff changeset
29 from math import sqrt
27f06d28036d added simple helper for confidence intervals
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 297
diff changeset
30 from scipy.stats.distributions import norm
27f06d28036d added simple helper for confidence intervals
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 297
diff changeset
31 k = round(norm.ppf(0.5+percentConfidence/200., 0, 1)*100)/100. # 1.-(100-percentConfidence)/200.
27f06d28036d added simple helper for confidence intervals
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 297
diff changeset
32 e = k*stdev/sqrt(nSamples)
27f06d28036d added simple helper for confidence intervals
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 297
diff changeset
33 if printLatex:
27f06d28036d added simple helper for confidence intervals
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 297
diff changeset
34 print('${0} \pm {1}\\frac{{{2}}}{{\sqrt{{{3}}}}}$'.format(mean, k, stdev, nSamples))
27f06d28036d added simple helper for confidence intervals
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 297
diff changeset
35 return mean-e, mean+e
27f06d28036d added simple helper for confidence intervals
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 297
diff changeset
36
31
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
37 def computeChi2(expected, observed):
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
38 '''Returns the Chi2 statistics'''
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
39 result = 0.
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
40 for e, o in zip(expected, observed):
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
41 result += ((e-o)*(e-o))/e
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
42 return result
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
43
85
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
44 class EmpiricalDistribution:
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
45 def nSamples(self):
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
46 return sum(self.counts)
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
47
197
2788b2827670 simple cumulatie function distribution computation
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 185
diff changeset
48 def cumulativeDensityFunction(sample):
276
78922b4de3bf minor change
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 266
diff changeset
49 '''Returns the cumulative density function of the sample of a random variable'''
197
2788b2827670 simple cumulatie function distribution computation
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 185
diff changeset
50 from numpy.core.multiarray import array
2788b2827670 simple cumulatie function distribution computation
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 185
diff changeset
51 from numpy.lib.function_base import unique
2788b2827670 simple cumulatie function distribution computation
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 185
diff changeset
52 from numpy.core.fromnumeric import sum
2788b2827670 simple cumulatie function distribution computation
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 185
diff changeset
53 a = array(sample)
2788b2827670 simple cumulatie function distribution computation
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 185
diff changeset
54 a.sort()
2788b2827670 simple cumulatie function distribution computation
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 185
diff changeset
55 xaxis = unique(a)
2788b2827670 simple cumulatie function distribution computation
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 185
diff changeset
56 counts = [sum(a <= x) for x in xaxis]
2788b2827670 simple cumulatie function distribution computation
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 185
diff changeset
57 return xaxis, counts
85
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
58
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
59 class EmpiricalDiscreteDistribution(EmpiricalDistribution):
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
60 '''Class to represent a sample of a distribution for a discrete random variable
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
61 '''
86
f03ec4697a09 corrected discrete distribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 85
diff changeset
62 from numpy.core.fromnumeric import sum
f03ec4697a09 corrected discrete distribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 85
diff changeset
63
85
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
64 def __init__(self, categories, counts):
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
65 self.categories = categories
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
66 self.counts = counts
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
67
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
68 def mean(self):
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
69 result = [float(x*y) for x,y in zip(self.categories, self.counts)]
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
70 return sum(result)/self.nSamples()
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
71
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
72 def var(self, mean = None):
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
73 if not mean:
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
74 m = self.mean()
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
75 else:
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
76 m = mean
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
77 result = 0.
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
78 squares = [float((x-m)*(x-m)*y) for x,y in zip(self.categories, self.counts)]
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
79 return sum(squares)/(self.nSamples()-1)
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
80
86
f03ec4697a09 corrected discrete distribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 85
diff changeset
81 def referenceCounts(self, probability):
f03ec4697a09 corrected discrete distribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 85
diff changeset
82 '''probability is a function that returns the probability of the random variable for the category values'''
f03ec4697a09 corrected discrete distribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 85
diff changeset
83 refProba = [probability(c) for c in self.categories]
f03ec4697a09 corrected discrete distribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 85
diff changeset
84 refProba[-1] = 1-sum(refProba[:-1])
f03ec4697a09 corrected discrete distribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 85
diff changeset
85 refCounts = [r*self.nSamples() for r in refProba]
f03ec4697a09 corrected discrete distribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 85
diff changeset
86 return refCounts, refProba
85
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
87
7f1e54234f96 added empirical discrete distribution, modified class organization and names
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 77
diff changeset
88 class EmpiricalContinuousDistribution(EmpiricalDistribution):
31
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
89 '''Class to represent a sample of a distribution for a continuous random variable
76
64fde2b1f96d simplified intervales in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 75
diff changeset
90 with the number of observations for each interval
64fde2b1f96d simplified intervales in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 75
diff changeset
91 intervals (categories variable) are defined by their left limits, the last one being the right limit
64fde2b1f96d simplified intervales in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 75
diff changeset
92 categories contain therefore one more element than the counts'''
35
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
93 def __init__(self, categories, counts):
276
78922b4de3bf minor change
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 266
diff changeset
94 # todo add samples for initialization and everything to None? (or setSamples?)
35
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
95 self.categories = categories
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
96 self.counts = counts
31
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
97
35
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
98 def mean(self):
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
99 result = 0.
76
64fde2b1f96d simplified intervales in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 75
diff changeset
100 for i in range(len(self.counts)-1):
64fde2b1f96d simplified intervales in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 75
diff changeset
101 result += self.counts[i]*(self.categories[i]+self.categories[i+1])/2
64fde2b1f96d simplified intervales in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 75
diff changeset
102 return result/self.nSamples()
35
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
103
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
104 def var(self, mean = None):
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
105 if not mean:
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
106 m = self.mean()
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
107 else:
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
108 m = mean
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
109 result = 0.
76
64fde2b1f96d simplified intervales in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 75
diff changeset
110 for i in range(len(self.counts)-1):
64fde2b1f96d simplified intervales in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 75
diff changeset
111 mid = (self.categories[i]+self.categories[i+1])/2
64fde2b1f96d simplified intervales in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 75
diff changeset
112 result += self.counts[i]*(mid - m)*(mid - m)
35
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
113 return result/(self.nSamples()-1)
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
114
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
115 def referenceCounts(self, cdf):
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
116 '''cdf is a cumulative distribution function
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
117 returning the probability of the variable being less that x'''
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
118 # refCumulativeCounts = [0]#[cdf(self.categories[0][0])]
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
119 # for inter in self.categories:
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
120 # refCumulativeCounts.append(cdf(inter[1]))
76
64fde2b1f96d simplified intervales in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 75
diff changeset
121 refCumulativeCounts = [cdf(x) for x in self.categories[1:-1]]
35
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
122
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
123 refProba = [refCumulativeCounts[0]]
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
124 for i in xrange(1,len(refCumulativeCounts)):
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
125 refProba.append(refCumulativeCounts[i]-refCumulativeCounts[i-1])
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
126 refProba.append(1-refCumulativeCounts[-1])
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
127 refCounts = [p*self.nSamples() for p in refProba]
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
128
8cafee54466f forgotten update of histogram class
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 32
diff changeset
129 return refCounts, refProba
31
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
130
77
5e6cd36a991c added pretty print in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 76
diff changeset
131 def printReferenceCounts(self, refCounts=None):
5e6cd36a991c added pretty print in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 76
diff changeset
132 if refCounts:
5e6cd36a991c added pretty print in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 76
diff changeset
133 ref = refCounts
5e6cd36a991c added pretty print in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 76
diff changeset
134 else:
5e6cd36a991c added pretty print in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 76
diff changeset
135 ref = self.referenceCounts
5e6cd36a991c added pretty print in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 76
diff changeset
136 for i in xrange(len(ref[0])):
5e6cd36a991c added pretty print in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 76
diff changeset
137 print('{0}-{1} & {2:0.3} & {3:0.3} \\\\'.format(self.categories[i],self.categories[i+1],ref[1][i], ref[0][i]))
5e6cd36a991c added pretty print in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 76
diff changeset
138
5e6cd36a991c added pretty print in empiricalDistribution
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 76
diff changeset
139
31
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
140 #########################
27
44689029a86f updated segmentIntersection and other
Nicolas Saunier <nico@confins.net>
parents: 24
diff changeset
141 # maths section
44689029a86f updated segmentIntersection and other
Nicolas Saunier <nico@confins.net>
parents: 24
diff changeset
142 #########################
24
6fb59cfb201e first version of segmentIntersection
Nicolas Saunier <nico@confins.net>
parents: 19
diff changeset
143
285
5957aa1d69e1 Integrating Mohamed's changes
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 284
diff changeset
144 def LCSS(l1, l2, threshold, distance, delta = float('inf')):
284
f2cf16ad798f added LCSS for trajectories
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 282
diff changeset
145 '''returns the longest common subsequence similarity
285
5957aa1d69e1 Integrating Mohamed's changes
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 284
diff changeset
146 based on the threshold on distance between two elements of lists l1, l2
5957aa1d69e1 Integrating Mohamed's changes
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 284
diff changeset
147 '''
284
f2cf16ad798f added LCSS for trajectories
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 282
diff changeset
148 from numpy import zeros, int as npint
322
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
149 n1 = len(l1)
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
150 n2 = len(l2)
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
151 similarity = zeros((n1+1,n2+1), dtype = npint)
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
152 for i in xrange(1,n1+1):
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
153 for j in xrange(max(1,i-delta),min(n2+1,i+delta+1)):
286
fa95796a76b3 simplified indicators (only non-measured values, whether measurable or not)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 285
diff changeset
154 if distance(l1[i-1], l2[j-1])<=threshold:
281
4f012e3d881b corrected lcss bug
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 279
diff changeset
155 similarity[i][j] = similarity[i-1][j-1]+1
279
3af4c267a7bf generic simple LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 276
diff changeset
156 else:
3af4c267a7bf generic simple LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 276
diff changeset
157 similarity[i][j] = max(similarity[i-1][j], similarity[i][j-1])
322
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
158 return max(max(similarity[:,-1]), max(similarity[-1,:]))
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
159
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
160 def normalizedLCSS(l1, l2, threshold, distance, delta = float('inf'), lengthMethod = min):
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
161 ''' compute the normalized LCSS
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
162 ie, the LCSS divided by the min or mean of the indicator lengths (using lengthMethod)
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
163 lengthMethod = lambda x,y:float(x,y)/2'''
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
164 return float(LCSS(l1, l2, threshold, distance, delta))/lengthMethod(len(l1), len(l2))
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
165
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
166 def DLCSS(l1, l2, threshold, distance, delta = float('inf'), lengthMethod = min):
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
167 ''' compute the LCSS distance'''
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
168 return 1-normalizedLCSS(l1, l2, threshold, distance, delta, lengthMethod)
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
169
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
170 def alignedLCSS(_l1, _l2, threshold, distance, delta):
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
171 '''returns the best matching if using a finite delta by shiftinig the series alignments'''
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
172 if len(_l2) < len(_l1): # l1 is the shortest
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
173 l1 = _l2
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
174 l2 = _l1
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
175 else:
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
176 l1 = _l1
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
177 l2 = _l2
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
178 n1 = len(l1)
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
179 n2 = len(l2)
323
efd4dd4665ac corrected issues with large deltas
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 322
diff changeset
180 # for i in xrange(min(delta,n1), max(n1+n2-delta, n2+1)): # i is the alignment of the end of l1 in l2
322
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
181 # print l1[min(-i-1,n1):] # min(n1+n2-i,n1)
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
182 # print l2[max(0,i-n1):]
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
183 # print LCSS(l1[min(-i-1,n1):], l2[max(0,i-n1):], threshold, distance, delta)
323
efd4dd4665ac corrected issues with large deltas
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 322
diff changeset
184 lcss = [LCSS(l1[min(-i-1,n1):], l2[max(0,i-n1):], threshold, distance, delta) for i in xrange(min(delta,n1), max(n1+n2-delta, n2+1))]
322
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
185 return max(lcss)
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
186
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
187 def normalizedAlignedLCSS(l1, l2, threshold, distance, delta, lengthMethod = min):
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
188 return float(alignedLCSS(l1, l2, threshold, distance, delta))/lengthMethod(len(l1), len(l2))
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
189
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
190 def alignedDLCSS(l1, l2, threshold, distance, delta, lengthMethod = min):
28661c5887d3 Corrected a major bug for LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 312
diff changeset
191 return 1-normalizedAlignedLCSS(l1, l2, threshold, distance, delta, lengthMethod)
279
3af4c267a7bf generic simple LCSS
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 276
diff changeset
192
248
571ba5ed22e2 added utils for bus processing
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 241
diff changeset
193 def framesToTime(nFrames, frameRate, initialTime = (0.,0.,0.)):
571ba5ed22e2 added utils for bus processing
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 241
diff changeset
194 'returns hour, minutes and seconds'
571ba5ed22e2 added utils for bus processing
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 241
diff changeset
195 from math import floor
261
4aa792cb0fa9 changing framesToTime to return a datetime.time
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 248
diff changeset
196 from datetime import time
262
a048066bd20f correcting bug in framesToTime
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 261
diff changeset
197 seconds = int(floor(float(nFrames)/float(frameRate))+initialTime[0]*3600+initialTime[1]*60+initialTime[2])
261
4aa792cb0fa9 changing framesToTime to return a datetime.time
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 248
diff changeset
198 h = int(floor(seconds/3600.))
248
571ba5ed22e2 added utils for bus processing
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 241
diff changeset
199 seconds = seconds - h*3600
261
4aa792cb0fa9 changing framesToTime to return a datetime.time
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 248
diff changeset
200 m = int(floor(seconds/60))
248
571ba5ed22e2 added utils for bus processing
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 241
diff changeset
201 seconds = seconds - m*60
262
a048066bd20f correcting bug in framesToTime
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 261
diff changeset
202 return time(h, m, seconds)
248
571ba5ed22e2 added utils for bus processing
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 241
diff changeset
203
241
ee1caff48b03 added function to sort to list of paired data X,Y
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 235
diff changeset
204 def sortXY(X,Y):
ee1caff48b03 added function to sort to list of paired data X,Y
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 235
diff changeset
205 'returns the sorted (x, Y(x)) sorted on X'
ee1caff48b03 added function to sort to list of paired data X,Y
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 235
diff changeset
206 D = {}
ee1caff48b03 added function to sort to list of paired data X,Y
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 235
diff changeset
207 for x, y in zip(X,Y):
ee1caff48b03 added function to sort to list of paired data X,Y
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 235
diff changeset
208 D[x]=y
ee1caff48b03 added function to sort to list of paired data X,Y
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 235
diff changeset
209 xsorted = sorted(D.keys())
ee1caff48b03 added function to sort to list of paired data X,Y
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 235
diff changeset
210 return xsorted, [D[x] for x in xsorted]
ee1caff48b03 added function to sort to list of paired data X,Y
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 235
diff changeset
211
32
48e56179c39e added ceil function
Nicolas Saunier <nico@confins.net>
parents: 31
diff changeset
212 def ceilDecimals(v, nDecimals):
48e56179c39e added ceil function
Nicolas Saunier <nico@confins.net>
parents: 31
diff changeset
213 '''Rounds the number at the nth decimal
48e56179c39e added ceil function
Nicolas Saunier <nico@confins.net>
parents: 31
diff changeset
214 eg 1.23 at 0 decimal is 2, at 1 decimal is 1.3'''
48e56179c39e added ceil function
Nicolas Saunier <nico@confins.net>
parents: 31
diff changeset
215 from math import ceil,pow
48e56179c39e added ceil function
Nicolas Saunier <nico@confins.net>
parents: 31
diff changeset
216 tens = pow(10,nDecimals)
48e56179c39e added ceil function
Nicolas Saunier <nico@confins.net>
parents: 31
diff changeset
217 return ceil(v*tens)/tens
48e56179c39e added ceil function
Nicolas Saunier <nico@confins.net>
parents: 31
diff changeset
218
152
74b1fc68d4df re-organized code to avoid cyclic python module dependencies
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 116
diff changeset
219 def inBetween(bound1, bound2, x):
74b1fc68d4df re-organized code to avoid cyclic python module dependencies
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 116
diff changeset
220 return bound1 <= x <= bound2 or bound2 <= x<= bound1
24
6fb59cfb201e first version of segmentIntersection
Nicolas Saunier <nico@confins.net>
parents: 19
diff changeset
221
6fb59cfb201e first version of segmentIntersection
Nicolas Saunier <nico@confins.net>
parents: 19
diff changeset
222 def crossProduct(l1, l2):
6fb59cfb201e first version of segmentIntersection
Nicolas Saunier <nico@confins.net>
parents: 19
diff changeset
223 return l1[0]*l2[1]-l1[1]*l2[0]
6fb59cfb201e first version of segmentIntersection
Nicolas Saunier <nico@confins.net>
parents: 19
diff changeset
224
29
ca8e716cc231 added moving average filter
Nicolas Saunier <nico@confins.net>
parents: 27
diff changeset
225 def filterMovingWindow(input, halfWidth):
ca8e716cc231 added moving average filter
Nicolas Saunier <nico@confins.net>
parents: 27
diff changeset
226 '''Returns an array obtained after the smoothing of the input by a moving average
ca8e716cc231 added moving average filter
Nicolas Saunier <nico@confins.net>
parents: 27
diff changeset
227 The first and last points are copied from the original.'''
ca8e716cc231 added moving average filter
Nicolas Saunier <nico@confins.net>
parents: 27
diff changeset
228 width = float(halfWidth*2+1)
ca8e716cc231 added moving average filter
Nicolas Saunier <nico@confins.net>
parents: 27
diff changeset
229 win = ones(width,'d')
ca8e716cc231 added moving average filter
Nicolas Saunier <nico@confins.net>
parents: 27
diff changeset
230 result = convolve(win/width,array(inputSignal),'same')
ca8e716cc231 added moving average filter
Nicolas Saunier <nico@confins.net>
parents: 27
diff changeset
231 result[:halfWidth] = inputSignal[:halfWidth]
ca8e716cc231 added moving average filter
Nicolas Saunier <nico@confins.net>
parents: 27
diff changeset
232 result[-halfWidth:] = inputSignal[-halfWidth:]
ca8e716cc231 added moving average filter
Nicolas Saunier <nico@confins.net>
parents: 27
diff changeset
233 return result
ca8e716cc231 added moving average filter
Nicolas Saunier <nico@confins.net>
parents: 27
diff changeset
234
199
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
235 def linearRegression(x, y, deg = 1, plotData = False):
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
236 '''returns the least square estimation of the linear regression of y = ax+b
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
237 as well as the plot'''
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
238 from numpy.lib.polynomial import polyfit
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
239 from matplotlib.pyplot import plot
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
240 from numpy.core.multiarray import arange
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
241 coef = polyfit(x, y, deg)
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
242 if plotData:
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
243 def poly(x):
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
244 result = 0
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
245 for i in range(len(coef)):
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
246 result += coef[i]*x**(len(coef)-i-1)
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
247 return result
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
248 plot(x, y, 'x')
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
249 xx = arange(min(x), max(x),(max(x)-min(x))/1000)
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
250 plot(xx, [poly(z) for z in xx])
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
251 return coef
ca9d9104afba added utility to calibrate polynoms and plot
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 197
diff changeset
252
27
44689029a86f updated segmentIntersection and other
Nicolas Saunier <nico@confins.net>
parents: 24
diff changeset
253 #########################
45
74d2de078baf added colors, linestyles and markers to pick from
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 42
diff changeset
254 # plotting section
74d2de078baf added colors, linestyles and markers to pick from
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 42
diff changeset
255 #########################
74d2de078baf added colors, linestyles and markers to pick from
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 42
diff changeset
256
332
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
257 def plotPolygon(poly, options = ''):
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
258 'Plots shapely polygon poly'
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
259 from numpy.core.multiarray import array
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
260 from matplotlib.pyplot import plot
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
261 from shapely.geometry import Polygon
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
262
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
263 tmp = array(poly.exterior)
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
264 plot(tmp[:,0], tmp[:,1], options)
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
265
324
99ca91a46007 minor change
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 323
diff changeset
266 def stepPlot(X, firstX, lastX, initialCount = 0, increment = 1):
99ca91a46007 minor change
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 323
diff changeset
267 '''for each value in X, increment by increment the initial count
297
f6f423e25c7f adding function to generate step plots (for cumulative number of vehicles)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 286
diff changeset
268 returns the lists that can be plotted
324
99ca91a46007 minor change
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 323
diff changeset
269 to obtain a step plot increasing by one for each value in x, from first to last value
99ca91a46007 minor change
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 323
diff changeset
270 firstX and lastX should be respectively smaller and larger than all elements in X'''
297
f6f423e25c7f adding function to generate step plots (for cumulative number of vehicles)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 286
diff changeset
271
f6f423e25c7f adding function to generate step plots (for cumulative number of vehicles)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 286
diff changeset
272 sortedX = []
f6f423e25c7f adding function to generate step plots (for cumulative number of vehicles)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 286
diff changeset
273 counts = [initialCount]
f6f423e25c7f adding function to generate step plots (for cumulative number of vehicles)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 286
diff changeset
274 for x in sorted(X):
f6f423e25c7f adding function to generate step plots (for cumulative number of vehicles)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 286
diff changeset
275 sortedX += [x,x]
f6f423e25c7f adding function to generate step plots (for cumulative number of vehicles)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 286
diff changeset
276 counts.append(counts[-1])
324
99ca91a46007 minor change
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 323
diff changeset
277 counts.append(counts[-1]+increment)
297
f6f423e25c7f adding function to generate step plots (for cumulative number of vehicles)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 286
diff changeset
278 counts.append(counts[-1])
f6f423e25c7f adding function to generate step plots (for cumulative number of vehicles)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 286
diff changeset
279 return [firstX]+sortedX+[lastX], counts
f6f423e25c7f adding function to generate step plots (for cumulative number of vehicles)
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 286
diff changeset
280
45
74d2de078baf added colors, linestyles and markers to pick from
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 42
diff changeset
281 class PlottingPropertyValues:
74d2de078baf added colors, linestyles and markers to pick from
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 42
diff changeset
282 def __init__(self, values):
74d2de078baf added colors, linestyles and markers to pick from
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 42
diff changeset
283 self.values = values
74d2de078baf added colors, linestyles and markers to pick from
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 42
diff changeset
284
116
2bf5b76320c0 moved intersection plotting and added markers for scatter plots
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 115
diff changeset
285 def __getitem__(self, i):
45
74d2de078baf added colors, linestyles and markers to pick from
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 42
diff changeset
286 return self.values[i%len(self.values)]
74d2de078baf added colors, linestyles and markers to pick from
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 42
diff changeset
287
74d2de078baf added colors, linestyles and markers to pick from
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 42
diff changeset
288 markers = PlottingPropertyValues(['+', '*', ',', '.', 'x', 'D', 's', 'o'])
116
2bf5b76320c0 moved intersection plotting and added markers for scatter plots
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 115
diff changeset
289 scatterMarkers = PlottingPropertyValues(['s','o','^','>','v','<','d','p','h','8','+','x'])
45
74d2de078baf added colors, linestyles and markers to pick from
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 42
diff changeset
290
74d2de078baf added colors, linestyles and markers to pick from
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 42
diff changeset
291 linestyles = PlottingPropertyValues(['-', '--', '-.', ':'])
74d2de078baf added colors, linestyles and markers to pick from
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 42
diff changeset
292
74d2de078baf added colors, linestyles and markers to pick from
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 42
diff changeset
293 colors = PlottingPropertyValues('brgmyck') # 'w'
74d2de078baf added colors, linestyles and markers to pick from
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 42
diff changeset
294
115
550556378466 added functionalities to indicator maps
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 86
diff changeset
295 def plotIndicatorMap(indicatorMap, squareSize, masked = True, defaultValue=-1):
65
75cf537b8d88 moved and generalized map making functions to the library
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 48
diff changeset
296 from numpy import array, arange, ones, ma
75cf537b8d88 moved and generalized map making functions to the library
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 48
diff changeset
297 from matplotlib.pyplot import pcolor
75cf537b8d88 moved and generalized map making functions to the library
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 48
diff changeset
298 coords = array(indicatorMap.keys())
75cf537b8d88 moved and generalized map making functions to the library
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 48
diff changeset
299 minX = min(coords[:,0])
75cf537b8d88 moved and generalized map making functions to the library
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 48
diff changeset
300 minY = min(coords[:,1])
75cf537b8d88 moved and generalized map making functions to the library
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 48
diff changeset
301 X = arange(minX, max(coords[:,0])+1.1)*squareSize
75cf537b8d88 moved and generalized map making functions to the library
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 48
diff changeset
302 Y = arange(minY, max(coords[:,1])+1.1)*squareSize
115
550556378466 added functionalities to indicator maps
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 86
diff changeset
303 C = defaultValue*ones((len(Y), len(X)))
65
75cf537b8d88 moved and generalized map making functions to the library
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 48
diff changeset
304 for k,v in indicatorMap.iteritems():
75cf537b8d88 moved and generalized map making functions to the library
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 48
diff changeset
305 C[k[1]-minY,k[0]-minX] = v
115
550556378466 added functionalities to indicator maps
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 86
diff changeset
306 if masked:
550556378466 added functionalities to indicator maps
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 86
diff changeset
307 pcolor(X, Y, ma.masked_where(C==defaultValue,C))
550556378466 added functionalities to indicator maps
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 86
diff changeset
308 else:
550556378466 added functionalities to indicator maps
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 86
diff changeset
309 pcolor(X, Y, C)
65
75cf537b8d88 moved and generalized map making functions to the library
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 48
diff changeset
310
45
74d2de078baf added colors, linestyles and markers to pick from
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 42
diff changeset
311 #########################
27
44689029a86f updated segmentIntersection and other
Nicolas Saunier <nico@confins.net>
parents: 24
diff changeset
312 # file I/O section
44689029a86f updated segmentIntersection and other
Nicolas Saunier <nico@confins.net>
parents: 24
diff changeset
313 #########################
24
6fb59cfb201e first version of segmentIntersection
Nicolas Saunier <nico@confins.net>
parents: 19
diff changeset
314
0
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
315 def openCheck(filename, option = 'r', quit = False):
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
316 '''Open file filename in read mode by default
31
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
317 and checks it is open'''
0
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
318 try:
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
319 return open(filename, option)
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
320 except IOError:
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
321 print 'File %s could not be opened.' % filename
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
322 if quit:
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
323 from sys import exit
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
324 exit()
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
325 return None
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
326
48
8aed225f71d8 rearranged code for function readline and getlines (and characters), moved invertHomography to cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 46
diff changeset
327 def readline(f, commentCharacter = commentChar):
0
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
328 '''Modified readline function to skip comments.'''
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
329 s = f.readline()
48
8aed225f71d8 rearranged code for function readline and getlines (and characters), moved invertHomography to cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 46
diff changeset
330 while (len(s) > 0) and s.startswith(commentCharacter):
0
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
331 s = f.readline()
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
332 return s.strip()
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
333
48
8aed225f71d8 rearranged code for function readline and getlines (and characters), moved invertHomography to cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 46
diff changeset
334 def getLines(f, delimiterCharacter = delimiterChar):
8aed225f71d8 rearranged code for function readline and getlines (and characters), moved invertHomography to cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 46
diff changeset
335 '''Gets a complete entry (all the lines) in between delimiterChar.'''
8aed225f71d8 rearranged code for function readline and getlines (and characters), moved invertHomography to cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 46
diff changeset
336 dataStrings = []
8aed225f71d8 rearranged code for function readline and getlines (and characters), moved invertHomography to cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 46
diff changeset
337 s = readline(f)
8aed225f71d8 rearranged code for function readline and getlines (and characters), moved invertHomography to cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 46
diff changeset
338 while (len(s) > 0) and (not s.startswith(delimiterCharacter)):
8aed225f71d8 rearranged code for function readline and getlines (and characters), moved invertHomography to cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 46
diff changeset
339 dataStrings += [s.strip()]
8aed225f71d8 rearranged code for function readline and getlines (and characters), moved invertHomography to cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 46
diff changeset
340 s = readline(f)
8aed225f71d8 rearranged code for function readline and getlines (and characters), moved invertHomography to cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 46
diff changeset
341 return dataStrings
8aed225f71d8 rearranged code for function readline and getlines (and characters), moved invertHomography to cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 46
diff changeset
342
304
20f9cd972dde added capability to parse cfg file for display-trajectories.py
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 301
diff changeset
343 class FakeSecHead(object):
20f9cd972dde added capability to parse cfg file for display-trajectories.py
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 301
diff changeset
344 '''Add fake section header [asection]
20f9cd972dde added capability to parse cfg file for display-trajectories.py
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 301
diff changeset
345
20f9cd972dde added capability to parse cfg file for display-trajectories.py
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 301
diff changeset
346 from http://stackoverflow.com/questions/2819696/parsing-properties-file-in-python/2819788#2819788
20f9cd972dde added capability to parse cfg file for display-trajectories.py
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 301
diff changeset
347 use read_file in Python 3.2+
20f9cd972dde added capability to parse cfg file for display-trajectories.py
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 301
diff changeset
348 '''
20f9cd972dde added capability to parse cfg file for display-trajectories.py
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 301
diff changeset
349 def __init__(self, fp):
20f9cd972dde added capability to parse cfg file for display-trajectories.py
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 301
diff changeset
350 self.fp = fp
20f9cd972dde added capability to parse cfg file for display-trajectories.py
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 301
diff changeset
351 self.sechead = '[main]\n'
20f9cd972dde added capability to parse cfg file for display-trajectories.py
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 301
diff changeset
352
20f9cd972dde added capability to parse cfg file for display-trajectories.py
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 301
diff changeset
353 def readline(self):
20f9cd972dde added capability to parse cfg file for display-trajectories.py
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 301
diff changeset
354 if self.sechead:
20f9cd972dde added capability to parse cfg file for display-trajectories.py
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 301
diff changeset
355 try: return self.sechead
20f9cd972dde added capability to parse cfg file for display-trajectories.py
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 301
diff changeset
356 finally: self.sechead = None
20f9cd972dde added capability to parse cfg file for display-trajectories.py
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 301
diff changeset
357 else: return self.fp.readline()
20f9cd972dde added capability to parse cfg file for display-trajectories.py
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 301
diff changeset
358
0
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
359 def removeExtension(filename, delimiter = '.'):
31
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
360 '''Returns the filename minus the extension (all characters after last .)'''
0
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
361 i = filename.rfind(delimiter)
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
362 if i>0:
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
363 return filename[:i]
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
364 else:
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
365 return filename
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
366
46
b5d007612e16 added filename util
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 45
diff changeset
367 def cleanFilename(s):
b5d007612e16 added filename util
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 45
diff changeset
368 'cleans filenames obtained when contatenating figure characteristics'
266
aba9711b3149 small modificatons and reorganization
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 262
diff changeset
369 return s.replace(' ','-').replace('.','').replace('/','-')
46
b5d007612e16 added filename util
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 45
diff changeset
370
0
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
371 def listfiles(dirname, extension, remove = False):
14
e7bbe8465591 homography and other utils
Nicolas Saunier <nico@confins.net>
parents: 7
diff changeset
372 '''Returns the list of files with the extension in the directory dirname
e7bbe8465591 homography and other utils
Nicolas Saunier <nico@confins.net>
parents: 7
diff changeset
373 If remove is True, the filenames are stripped from the extension'''
0
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
374 from os import listdir
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
375 tmp = [f for f in listdir(dirname) if f.endswith(extension)]
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
376 tmp.sort()
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
377 if remove:
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
378 return [removeExtension(f, extension) for f in tmp]
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
379 else:
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
380 return tmp
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
381
266
aba9711b3149 small modificatons and reorganization
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 262
diff changeset
382 def mkdir(dirname):
aba9711b3149 small modificatons and reorganization
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 262
diff changeset
383 'Creates a directory if it does not exist'
aba9711b3149 small modificatons and reorganization
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 262
diff changeset
384 import os
aba9711b3149 small modificatons and reorganization
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 262
diff changeset
385 if not os.path.exists(dirname):
aba9711b3149 small modificatons and reorganization
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 262
diff changeset
386 os.mkdir(dirname)
aba9711b3149 small modificatons and reorganization
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 262
diff changeset
387 else:
aba9711b3149 small modificatons and reorganization
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 262
diff changeset
388 print(dirname+' already exists')
aba9711b3149 small modificatons and reorganization
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 262
diff changeset
389
14
e7bbe8465591 homography and other utils
Nicolas Saunier <nico@confins.net>
parents: 7
diff changeset
390 def removeFile(filename):
e7bbe8465591 homography and other utils
Nicolas Saunier <nico@confins.net>
parents: 7
diff changeset
391 '''Deletes the file while avoiding raising an error
e7bbe8465591 homography and other utils
Nicolas Saunier <nico@confins.net>
parents: 7
diff changeset
392 if the file does not exist'''
266
aba9711b3149 small modificatons and reorganization
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 262
diff changeset
393 import os
14
e7bbe8465591 homography and other utils
Nicolas Saunier <nico@confins.net>
parents: 7
diff changeset
394 if (os.path.exists(filename)):
e7bbe8465591 homography and other utils
Nicolas Saunier <nico@confins.net>
parents: 7
diff changeset
395 os.remove(filename)
266
aba9711b3149 small modificatons and reorganization
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 262
diff changeset
396 else:
aba9711b3149 small modificatons and reorganization
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 262
diff changeset
397 print(filename+' does not exist')
14
e7bbe8465591 homography and other utils
Nicolas Saunier <nico@confins.net>
parents: 7
diff changeset
398
42
1a2ac2d4f53a added loading of the rest of the data for objects
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 35
diff changeset
399 def line2Floats(l, separator=' '):
1a2ac2d4f53a added loading of the rest of the data for objects
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 35
diff changeset
400 '''Returns the list of floats corresponding to the string'''
1a2ac2d4f53a added loading of the rest of the data for objects
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 35
diff changeset
401 return [float(x) for x in l.split(separator)]
1a2ac2d4f53a added loading of the rest of the data for objects
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 35
diff changeset
402
1a2ac2d4f53a added loading of the rest of the data for objects
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 35
diff changeset
403 def line2Ints(l, separator=' '):
1a2ac2d4f53a added loading of the rest of the data for objects
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 35
diff changeset
404 '''Returns the list of ints corresponding to the string'''
1a2ac2d4f53a added loading of the rest of the data for objects
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 35
diff changeset
405 return [int(x) for x in l.split(separator)]
31
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
406
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
407 #########################
332
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
408 # CLI utils
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
409 #########################
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
410
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
411 def parseCLIOptions(helpMessage, options, cliArgs, optionalOptions=[]):
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
412 ''' Simple function to handle similar argument parsing
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
413 Returns the dictionary of options and their values
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
414
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
415 * cliArgs are most likely directly sys.argv
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
416 (only the elements after the first one are considered)
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
417
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
418 * options should be a list of strings for getopt options,
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
419 eg ['frame=','correspondences=','video=']
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
420 A value must be provided for each option, or the program quits'''
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
421 import sys, getopt
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
422 from numpy.core.fromnumeric import all
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
423 optionValues, args = getopt.getopt(cliArgs[1:], 'h', ['help']+options+optionalOptions)
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
424 optionValues = dict(optionValues)
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
425
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
426 if '--help' in optionValues.keys() or '-h' in optionValues.keys():
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
427 print(helpMessage+
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
428 '\n - Compulsory options: '+' '.join([opt.replace('=','') for opt in options])+
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
429 '\n - Non-compulsory options: '+' '.join([opt.replace('=','') for opt in optionalOptions]))
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
430 sys.exit()
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
431
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
432 missingArgument = [('--'+opt.replace('=','') in optionValues.keys()) for opt in options]
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
433 if not all(missingArgument):
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
434 print('Missing argument')
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
435 print(optionValues)
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
436 sys.exit()
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
437
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
438 return optionValues
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
439
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
440
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
441
a6ca86107f27 reorganized utils module
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 324
diff changeset
442 #########################
233
ab1a11176d7b initial sqlite code and bug corrected in cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 199
diff changeset
443 # sqlite
ab1a11176d7b initial sqlite code and bug corrected in cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 199
diff changeset
444 #########################
ab1a11176d7b initial sqlite code and bug corrected in cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 199
diff changeset
445
235
584613399513 added script and functions to remove object tables
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 233
diff changeset
446 def dropTables(connection, tableNames):
584613399513 added script and functions to remove object tables
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 233
diff changeset
447 'deletes the table with names in tableNames'
584613399513 added script and functions to remove object tables
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 233
diff changeset
448 cursor = connection.cursor()
584613399513 added script and functions to remove object tables
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 233
diff changeset
449 for tableName in tableNames:
584613399513 added script and functions to remove object tables
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 233
diff changeset
450 cursor.execute('DROP TABLE '+tableName)
233
ab1a11176d7b initial sqlite code and bug corrected in cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 199
diff changeset
451
ab1a11176d7b initial sqlite code and bug corrected in cvutils
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 199
diff changeset
452 #########################
31
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
453 # running tests
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
454 #########################
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
455
0
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
456 if __name__ == "__main__":
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
457 import doctest
2
de5642925615 started implementation of TimeInterval and Spatio-temporal object
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 0
diff changeset
458 import unittest
31
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
459 suite = doctest.DocFileSuite('tests/utils.txt')
c000f37c316d moved tests to independent file, added chi2 computation
Nicolas Saunier <nico@confins.net>
parents: 29
diff changeset
460 #suite = doctest.DocTestSuite()
2
de5642925615 started implementation of TimeInterval and Spatio-temporal object
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 0
diff changeset
461 unittest.TextTestRunner().run(suite)
de5642925615 started implementation of TimeInterval and Spatio-temporal object
Nicolas Saunier <nicolas.saunier@polymtl.ca>
parents: 0
diff changeset
462 #doctest.testmod()
0
aed8eb63cdde initial commit with non-functional python code for NGSIM
Nicolas Saunier <nico@confins.net>
parents:
diff changeset
463 #doctest.testfile("example.txt")