Mercurial > repos > george-weingart > lefse
diff home/ubuntu/lefse_to_export/plot_features.py @ 1:db64b6287cd6 draft
Modified datatypes
author | george-weingart |
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date | Wed, 20 Aug 2014 16:56:51 -0400 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/home/ubuntu/lefse_to_export/plot_features.py Wed Aug 20 16:56:51 2014 -0400 @@ -0,0 +1,153 @@ +#!/usr/bin/env python + +import os,sys,matplotlib,zipfile,argparse,string +matplotlib.use('Agg') +from pylab import * +from lefse import * +import random as rand + +colors = ['r','g','b','m','c'] + +def read_params(args): + parser = argparse.ArgumentParser(description='Cladoplot') + parser.add_argument('input_file_1', metavar='INPUT_FILE', type=str, help="dataset files") + parser.add_argument('input_file_2', metavar='INPUT_FILE', type=str, help="LEfSe output file") + parser.add_argument('output_file', metavar='OUTPUT_FILE', type=str, help="the file for the output (the zip file if an archive is required, the output directory otherwise)") + parser.add_argument('--width',dest="width", type=float, default=10.0 ) + parser.add_argument('--height',dest="height", type=float, default=4.0) + parser.add_argument('--top',dest="top", type=float, default=-1.0, help="set maximum y limit (-1.0 means automatic limit)") + parser.add_argument('--bot',dest="bot", type=float, default=0.0, help="set minimum y limit (default 0.0, -1.0 means automatic limit)") + parser.add_argument('--title_font_size',dest="title_font_size", type=str, default="14") + parser.add_argument('--class_font_size',dest="class_font_size", type=str, default="14") + parser.add_argument('--class_label_pos',dest="class_label_pos", type=str, choices=["up","down"], default="up") + parser.add_argument('--subcl_mean',dest="subcl_mean", type=str, choices=["y","n"], default="y") + parser.add_argument('--subcl_median',dest="subcl_median", type=str, choices=["y","n"], default="y") + parser.add_argument('--font_size',dest="font_size", type=str, default="10") + parser.add_argument('-n',dest="unused", metavar="flt", type=float, default=-1.0,help="unused") + parser.add_argument('--format', dest="format", default="png", choices=["png","pdf","svg"], type=str, help="the format for the output file") + parser.add_argument('-f', dest="f", default="diff", choices=["all","diff","one"], type=str, help="wheter to plot all features (all), only those differentially abundant according to LEfSe or only one (the one given with --feature_name) ") + parser.add_argument('--feature_name', dest="feature_name", default="", type=str, help="The name of the feature to plot (levels separated by .) ") + parser.add_argument('--feature_num', dest="feature_num", default="-1", type=int, help="The number of the feature to plot ") + parser.add_argument('--archive', dest="archive", default="none", choices=["zip","none"], type=str, help="") + parser.add_argument('--background_color',dest="back_color", type=str, choices=["k","w"], default="w", help="set the color of the background") + parser.add_argument('--dpi',dest="dpi", type=int, default=72) + + args = parser.parse_args() + + return vars(args) + +def read_data(file_data,file_feats,params): + with open(file_feats, 'r') as features: + feats_to_plot = [(f.split()[:-1],len(f.split()) == 5) for f in features.readlines()] + if not feats_to_plot: + print "No features to plot\n" + sys.exit(0) + feats,cls,class_sl,subclass_sl,class_hierarchy,params['norm_v'] = load_data(file_data, True) + if params['feature_num'] > 0: + params['feature_name'] = [line.split()[0] for line in open(params['input_file_2'])][params['feature_num']-1] + features = {} + for f in feats_to_plot: + if params['f'] == "diff" and not f[1]: continue + if params['f'] == "one" and f[0][0] != params['feature_name']: continue + features[f[0][0]] = {'dim':float(f[0][1]), 'abundances':feats[f[0][0]], 'sig':f[1], 'cls':cls, 'class_sl':class_sl, 'subclass_sl':subclass_sl, 'class_hierarchy':class_hierarchy} + if not features: + print "No features to plot\n" + sys.exit(0) + return features + +def plot(name,k_n,feat,params): + fig = plt.figure(figsize=(params['width'], params['height']),edgecolor=params['fore_color'],facecolor=params['back_color']) + ax = fig.add_subplot(111,axis_bgcolor=params['back_color']) + subplots_adjust(bottom=0.15) + + max_m = 0.0 + norm = 1.0 if float(params['norm_v']) < 0.0 else float(params['norm_v']) + for v in feat['subclass_sl'].values(): + fr,to = v[0], v[1] + median = numpy.mean(feat['abundances'][fr:to]) + if median > max_m: max_m = median + max_m /= norm + max_v = max_m*3 if max_m*3 < max(feat['abundances'])*1.1/norm else max(feat['abundances'])/norm + min_v = max(0.0,min(feat['abundances'])*0.9/norm) + + if params['top'] > 0.0: max_v = params['top'] + if params['bot'] >= 0.0: min_v = params['bot'] + + if max_v == 0.0: max_v = 0.0001 + if max_v == min_v: max_v = min_v*1.1 + + cl_sep = max(int(sum([vv[1]/norm - vv[0]/norm for vv in feat['class_sl'].values()])/150.0),1) + seps = [] + xtics = [] + x2tics = [] + last_fr = 0.0 + for i,cl in enumerate(sorted(feat['class_hierarchy'].keys())): + for j,subcl in enumerate(feat['class_hierarchy'][cl]): + fr = feat['subclass_sl'][subcl][0] + to = feat['subclass_sl'][subcl][1] + val = feat['abundances'][fr:to] + fr += cl_sep*i + to += cl_sep*i + pos = arange(fr,to) + max_x = to + col = colors[j%len(colors)] + vv = [v1/norm for v1 in val] + median = numpy.median(vv) + mean = numpy.mean(vv) + valv = [max(min(v/norm,max_v),min_v) for v in val] + ax.bar(pos,valv, align='center', color=col, edgecolor=col, linewidth=0.1 ) + if params['subcl_median'] == 'y': ax.plot([fr,to-1],[median,median],"k--",linewidth=1,color=params['fore_color']) + if params['subcl_mean'] == 'y': ax.plot([fr,to-1],[mean,mean],"-",linewidth=1,color=params['fore_color']) + nna = subcl if subcl.count("_") == 0 or not subcl.startswith(cl) else "_".join(subcl.split(cl)[1:]) + if nna == "subcl" or nna == "_subcl": nna = " " + xtics.append(((fr+(to-fr)/2),nna)) + seps.append(float(to)) + x2tics.append(((last_fr+(to-last_fr)/2),cl)) + last_fr = to + float(cl_sep) + for s in seps[:-1]: + ax.plot([s,s],[min_v,max_v],"-",linewidth=5,color=params['fore_color']) + ax.set_title(k_n, size=params['title_font_size']) + xticks([x[0] for x in xtics],[x[1] for x in xtics],rotation=-30, ha = 'left', fontsize=params['font_size'], color=params['fore_color']) + yticks(fontsize=params['font_size']) + + ylabel('Relative abundance') + ax.set_ylim((min_v,max_v)) + a,b = ax.get_xlim() + ax.set_xlim((0-float(last_fr)/float(b-a),max_x)) + ax.yaxis.grid(True) + + def get_col_attr(x): + return hasattr(x, 'set_color') and not hasattr(x, 'set_facecolor') + def get_edgecol_attr(x): + return hasattr(x, 'set_edgecolor') + + + for o in fig.findobj(get_col_attr): + o.set_color(params['fore_color']) + for o in fig.findobj(get_edgecol_attr): + if o.get_edgecolor() == params['back_color']: + o.set_edgecolor(params['fore_color']) + + for t in x2tics: + m = ax.get_ylim()[1]*0.97 if params['class_label_pos']=='up' else 0.07 + plt.text(t[0],m, "class: "+t[1], ha ="center", size=params['class_font_size'], va="top", bbox = dict(boxstyle="round", ec='k', fc='y')) + + + plt.savefig(name,format=params['format'],facecolor=params['back_color'],edgecolor=params['fore_color'],dpi=params['dpi']) + plt.close() + return name + +if __name__ == '__main__': + params = read_params(sys.argv) + params['fore_color'] = 'w' if params['back_color'] == 'k' else 'k' + features = read_data(params['input_file_1'],params['input_file_2'],params) + if params['archive'] == "zip": file = zipfile.ZipFile(params['output_file'], "w") + for k,f in features.items(): + print "Exporting ", k + if params['archive'] == "zip": + of = plot("/tmp/"+str(int(f['sig']))+"_"+"-".join(k.split("."))+"."+params['format'],k,f,params) + file.write(of, os.path.basename(of), zipfile.ZIP_DEFLATED) + else: + if params['f'] == 'one': plot(params['output_file'],k,f,params) + else: plot(params['output_file']+str(int(f['sig']))+"_"+"-".join(k.split("."))+"."+params['format'],k,f,params) + if params['archive'] == "zip": file.close()