Mercurial > hg > dml-open-cliopatria
view dml-cla/python/key_tonic_hist.py @ 0:718306e29690 tip
commiting public release
author | Daniel Wolff |
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date | Tue, 09 Feb 2016 21:05:06 +0100 |
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# Part of DML (Digital Music Laboratory) # Copyright 2014-2015 Samer Abdallah, University College London # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU General Public License # as published by the Free Software Foundation; either version 2 # of the License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public # License along with this library; if not, write to the Free Software # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA # -*- coding: utf-8 -*- __author__="samer" from rdfutils import * from n3Parser import * from pitchutils import * from aggregate import * from csvutils import csv_map_rows from warnings import warn def tonic_from_n3(filename): graph=get_rdf_graph_from_n3(filename) max_time = 0 tonic = None for ev, time in graph.subjects_objects(ev_ns.time): t = parse_xsd_duration(graph.value(time,tl_ns.at)) if t>max_time: tonic = graph.value(ev,af_ns.feature) return tonic-1 def tonic_from_csv(filename): # format: time, pitch_class_number, pitch_class_name return int(csv_map_rows(filename,3,lambda row:row[1])[-1])-1 def aggregate(inputs): parser_table = { 'n3':tonic_from_n3, 'csv':tonic_from_csv } hist = 12*[0] def accum(f): hist[decode_tagged(parser_table,f)] += 1 stats=for_each(inputs,accum) return { 'result': discrete_hist(pitch_class_names,hist), 'stats':stats }