In GroupDetectors don't ignore dublicate Spectra IDs when reading mapfile

[Anders-Markvardsen]

In GroupDetectors don't ignore dublicate Spectra IDs when reading mapfile. For instance currently:

<detector-grouping description="">
<group name="1">
<ids val="1-2"/>
</group>
<group name="2">
<ids val="1-5"/>
</group>
<default name="2"/>
</detector-grouping>

creates two histogram: one the sum of spectra 1-2 the other the sum of 3-5. Chance this so dublicate spectra numbers aren't ignored and for the above example this means two histograms one sum of 1-2 the other sum of 1-5.

[Anders-Markvardsen]

This issue was originally trac ticket 2375

[Anders-Markvardsen]

http://trac.mantidproject.org/mantid/raw-attachment/ticket/2375/ticket2375.py
(uploaded by Michael Whitty on 2011-02-16T11:33:44)

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http://trac.mantidproject.org/mantid/raw-attachment/ticket/2375/grpA.map
(uploaded by Michael Whitty on 2011-02-16T11:33:59)

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http://trac.mantidproject.org/mantid/raw-attachment/ticket/2375/grpB.map
(uploaded by Michael Whitty on 2011-02-16T11:34:08)

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