Mercurial > repos > yufei-luo > s_mart
annotate smart_toolShed/commons/core/parsing/SamParser.py @ 0:e0f8dcca02ed
Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
author | yufei-luo |
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date | Thu, 17 Jan 2013 10:52:14 -0500 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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1 # |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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2 # Copyright INRA-URGI 2009-2010 |
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3 # |
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4 # This software is governed by the CeCILL license under French law and |
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5 # abiding by the rules of distribution of free software. You can use, |
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6 # modify and/ or redistribute the software under the terms of the CeCILL |
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7 # license as circulated by CEA, CNRS and INRIA at the following URL |
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8 # "http://www.cecill.info". |
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9 # |
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10 # As a counterpart to the access to the source code and rights to copy, |
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11 # modify and redistribute granted by the license, users are provided only |
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12 # with a limited warranty and the software's author, the holder of the |
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13 # economic rights, and the successive licensors have only limited |
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14 # liability. |
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15 # |
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16 # In this respect, the user's attention is drawn to the risks associated |
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17 # with loading, using, modifying and/or developing or reproducing the |
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18 # software by the user in light of its specific status of free software, |
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19 # that may mean that it is complicated to manipulate, and that also |
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20 # therefore means that it is reserved for developers and experienced |
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21 # professionals having in-depth computer knowledge. Users are therefore |
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22 # encouraged to load and test the software's suitability as regards their |
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23 # requirements in conditions enabling the security of their systems and/or |
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24 # data to be ensured and, more generally, to use and operate it in the |
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25 # same conditions as regards security. |
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26 # |
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27 # The fact that you are presently reading this means that you have had |
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28 # knowledge of the CeCILL license and that you accept its terms. |
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29 # |
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30 import re |
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31 import sys |
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32 from commons.core.parsing.MapperParser import MapperParser |
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33 from SMART.Java.Python.structure.Mapping import Mapping |
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34 from SMART.Java.Python.structure.SubMapping import SubMapping |
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35 from SMART.Java.Python.structure.Interval import Interval |
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36 |
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37 class SamParser(MapperParser): |
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38 """A class that parses SAM format (as given by BWA)""" |
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39 |
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40 def __init__(self, fileName, verbosity = 0): |
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41 super(SamParser, self).__init__(fileName, verbosity) |
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42 |
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43 |
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44 def __del__(self): |
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45 super(SamParser, self).__del__() |
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46 |
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47 |
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48 def getFileFormats(): |
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49 return ["sam"] |
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50 getFileFormats = staticmethod(getFileFormats) |
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51 |
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52 |
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53 def skipFirstLines(self): |
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54 pass |
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55 |
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56 |
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57 def getInfos(self): |
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58 self.chromosomes = set() |
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59 self.nbMappings = 0 |
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60 self.size = 0 |
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61 self.reset() |
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62 if self.verbosity >= 10: |
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63 print "Getting information on SAM file" |
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64 self.reset() |
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65 for line in self.handle: |
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66 line = line.strip() |
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67 if line == "" or line[0] == "@": |
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68 continue |
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69 parts = line.split("\t") |
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70 chromosome = parts[2] |
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71 if chromosome != "*": |
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72 self.chromosomes.add(chromosome) |
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73 self.nbMappings += 1 |
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74 self.size += len(parts[8]) |
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75 if self.verbosity >= 10 and self.nbMappings % 100000 == 0: |
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76 sys.stdout.write(" %d mappings read\r" % (self.nbMappings)) |
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77 sys.stdout.flush() |
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78 self.reset() |
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79 if self.verbosity >= 10: |
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80 print " %d mappings read" % (self.nbMappings) |
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81 print "Done." |
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82 |
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83 |
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84 def parseLine(self, line): |
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85 |
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86 line = line.strip() |
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87 if line[0] == "@": |
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88 return |
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89 |
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90 fields = line.split("\t") |
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91 if len(fields) < 11: |
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92 raise Exception("Line %d '%s' does not look like a SAM line (number of fields is %d instead of 11)" % (self.currentLineNb, line, len(fields))) |
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93 |
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94 name = fields[0] |
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95 flag = int(fields[1]) |
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96 |
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97 if (flag & 0x4) == 0x4: |
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98 return None |
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99 |
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100 direction = 1 if (flag & 0x10) == 0x0 else -1 |
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101 chromosome = fields[2] |
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102 genomeStart = int(fields[3]) |
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103 quality = fields[4] |
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104 cigar = fields[5] |
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105 mate = fields[6] |
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106 mateGenomeStart = fields[7] |
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107 gapSize = fields[8] |
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108 sequence = fields[9] |
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109 quality = fields[10] |
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110 tags = fields[11:] |
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111 |
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112 if mateGenomeStart != "*": |
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113 mateGenomeStart = int(mateGenomeStart) |
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114 |
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115 mapping = Mapping() |
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116 nbOccurrences = 1 |
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117 nbMismatches = 0 |
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118 nbMatches = 0 |
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119 nbGaps = 0 |
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120 subMapping = None |
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121 queryOffset = 0 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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122 targetOffset = 0 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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123 currentNumber = 0 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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124 readStart = None |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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125 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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126 for tag in tags: |
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127 key = tag[:2] |
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128 if key == "X0": |
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129 nbOccurrences = int(tag[5:]) |
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130 elif key == "X1": |
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131 nbOccurrences += int(tag[5:]) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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132 elif key == "XM": |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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133 nbMismatches = int(tag[5:]) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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134 mapping.setTagValue("nbOccurrences", nbOccurrences) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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135 mapping.setTagValue("quality", int(fields[4])) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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136 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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137 for char in cigar: |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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138 m = re.match(r"[0-9]", char) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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139 if m != None: |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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140 currentNumber = currentNumber * 10 + (ord(char) - ord("0")) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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141 continue |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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142 # match |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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143 m = re.match(r"[M]", char) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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144 if m != None: |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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145 if readStart == None: |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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146 readStart = queryOffset |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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147 if subMapping == None: |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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148 subMapping = SubMapping() |
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149 subMapping.setSize(currentNumber) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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150 subMapping.setDirection(direction) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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151 subMapping.queryInterval.setName(name) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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152 subMapping.queryInterval.setStart(queryOffset) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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153 subMapping.queryInterval.setDirection(direction) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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154 subMapping.targetInterval.setChromosome(chromosome) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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155 subMapping.targetInterval.setStart(genomeStart + targetOffset) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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156 subMapping.targetInterval.setDirection(1) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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157 nbMatches += currentNumber |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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158 targetOffset += currentNumber |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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159 queryOffset += currentNumber |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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160 currentNumber = 0 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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161 continue |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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162 # insertion on the read |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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163 m = re.match(r"[I]", char) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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164 if m != None: |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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165 nbGaps += 1 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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166 queryOffset += currentNumber |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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167 currentNumber = 0 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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168 continue |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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169 # insertion on the genome |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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170 m = re.match(r"[D]", char) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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171 if m != None: |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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172 if subMapping != None: |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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173 subMapping.queryInterval.setEnd(queryOffset - 1) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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174 subMapping.targetInterval.setEnd(genomeStart + targetOffset - 1) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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175 mapping.addSubMapping(subMapping) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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176 subMapping = None |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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177 nbGaps += 1 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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178 targetOffset += currentNumber |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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179 currentNumber = 0 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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180 continue |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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181 # intron |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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182 m = re.match(r"[N]", char) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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183 if m != None: |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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184 if subMapping != None: |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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185 subMapping.queryInterval.setEnd(queryOffset - 1) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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186 subMapping.targetInterval.setEnd(genomeStart + targetOffset - 1) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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187 mapping.addSubMapping(subMapping) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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188 subMapping = None |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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189 targetOffset += currentNumber |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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190 currentNumber = 0 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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191 continue |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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192 # soft clipping (substitution) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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193 m = re.match(r"[S]", char) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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194 if m != None: |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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195 nbMismatches += currentNumber |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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196 targetOffset += currentNumber |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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parents:
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197 queryOffset += currentNumber |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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198 currentNumber = 0 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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199 continue |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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200 # hard clipping |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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201 m = re.match(r"[H]", char) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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202 if m != None: |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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203 targetOffset += currentNumber |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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204 queryOffset += currentNumber |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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205 currentNumber = 0 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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206 continue |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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207 # padding |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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208 m = re.match(r"[P]", char) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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209 if m != None: |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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210 continue |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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211 raise Exception("Do not understand paramer '%s' in line %s" % (char, line)) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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212 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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213 if subMapping != None: |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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214 subMapping.queryInterval.setEnd(queryOffset - 1) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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215 subMapping.targetInterval.setEnd(genomeStart + targetOffset - 1) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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216 mapping.addSubMapping(subMapping) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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|
217 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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218 mapping.queryInterval.setStart(readStart) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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219 mapping.queryInterval.setEnd(queryOffset - 1) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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220 mapping.targetInterval.setEnd(genomeStart + targetOffset - 1) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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221 mapping.setNbMismatches(nbMismatches) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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222 mapping.setNbGaps(nbGaps) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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|
223 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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224 mapping.queryInterval.setName(name) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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225 mapping.queryInterval.setDirection(direction) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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226 mapping.targetInterval.setChromosome(chromosome) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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227 mapping.targetInterval.setStart(genomeStart) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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228 mapping.targetInterval.setDirection(direction) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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229 mapping.setSize(len(sequence)) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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230 mapping.setDirection(direction) |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
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|
231 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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|
232 return mapping |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
yufei-luo
parents:
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|
233 |
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Uploaded S-MART tool. A toolbox manages RNA-Seq and ChIP-Seq data.
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|
234 |