changeset 51:f1045dd36961 draft

Uploaded
author greg
date Thu, 14 Dec 2017 14:41:53 -0500
parents 0c66347d5354
children a6cdcd7af9de
files ideas_genome_tracks.R
diffstat 1 files changed, 116 insertions(+), 207 deletions(-) [+]
line wrap: on
line diff
--- a/ideas_genome_tracks.R	Thu Dec 14 14:36:02 2017 -0500
+++ b/ideas_genome_tracks.R	Thu Dec 14 14:41:53 2017 -0500
@@ -5,18 +5,17 @@
 suppressPackageStartupMessages(library("viridisLite"))
 
 option_list <- list(
-        make_option(c("--build"), action="store", dest="build", help="Genome build"),
-        make_option(c("--chrom_len_file"), action="store", dest="chrom_len_file", help="Chromosome length file"),
-        make_option(c("--email"),  action="store", dest="email", help="User email address"),
-        make_option(c("--galaxy_url"),  action="store", dest="galaxy_url", help="Galaxy instance base URL"),
-        make_option(c("--hub_name"),  action="store", dest="hub_name", default=NULL, help="Hub name without spaces"),
-        make_option(c("--input_dir_para"), action="store", dest="input_dir_para", help="Directory containing .para outputs from IDEAS"),
-        make_option(c("--input_dir_state"), action="store", dest="input_dir_state", help="Directory containing .state outputs from IDEAS"),
-        make_option(c("--long_label"), action="store", dest="long_label", help="Hub long label"),
-        make_option(c("--output_trackhub"),  action="store", dest="output_trackhub", help="Output hub file"),
-        make_option(c("--output_trackhub_files_path"),  action="store", dest="output_trackhub_files_path", help="Output hub extra files path"),
-        make_option(c("--output_trackhub_id"),  action="store", dest="output_trackhub_id", help="Encoded output_trackhub dataset id"),
-        make_option(c("--short_label"), action="store", dest="short_label", help="Hub short label")
+		make_option(c("--build"), action="store", dest="build", help="Genome build"),
+		make_option(c("--chrom_len_file"), action="store", dest="chrom_len_file", help="Chromosome length file"),
+		make_option(c("--email"),  action="store", dest="email", help="User email address"),
+		make_option(c("--galaxy_url"),  action="store", dest="galaxy_url", help="Galaxy instance base URL"),
+		make_option(c("--hub_name"),  action="store", dest="hub_name", default=NULL, help="Hub name without spaces"),
+		make_option(c("--input_dir_state"), action="store", dest="input_dir_state", help="Directory containing .state outputs from IDEAS"),
+		make_option(c("--long_label"), action="store", dest="long_label", help="Hub long label"),
+		make_option(c("--output_trackhub"),  action="store", dest="output_trackhub", help="Output hub file"),
+		make_option(c("--output_trackhub_files_path"),  action="store", dest="output_trackhub_files_path", help="Output hub extra files path"),
+		make_option(c("--output_trackhub_id"),  action="store", dest="output_trackhub_id", help="Encoded output_trackhub dataset id"),
+		make_option(c("--short_label"), action="store", dest="short_label", help="Hub short label")
 )
 
 parser <- OptionParser(usage="%prog [options] file", option_list=option_list)
@@ -24,210 +23,120 @@
 opt <- args$options
 
 create_primary_html = function(output_trackhub, tracks_dir, build) {
-    track_files <- list.files(path=tracks_dir);
-    s <- paste('<html><head></head><body>', sep="\n");
-    s <- paste(s, '<h3>Contents of directory ~/myHub/', build, ' required by UCSC TrackHub</h3>\n', sep="");
-    s <- paste(s, '<ul>\n', sep="")
-    for (i in 1:length(track_files)) {
-        s <- paste(s, '<li><a href="', 'myHub/', build, "/", track_files[i], '">', track_files[i], '</a></li>\n', sep="");
-    }
-    s <- paste(s, '</ul>\n</body>\n</html>', sep="");
-    cat(s, file=output_trackhub);
+	track_files <- list.files(path=tracks_dir);
+	s <- paste('<html><head></head><body>', sep="\n");
+	s <- paste(s, '<h3>Contents of directory ~/myHub/', build, ' required by UCSC TrackHub</h3>\n', sep="");
+	s <- paste(s, '<ul>\n', sep="")
+	for (i in 1:length(track_files)) {
+		s <- paste(s, '<li><a href="', 'myHub/', build, "/", track_files[i], '">', track_files[i], '</a></li>\n', sep="");
+	}
+	s <- paste(s, '</ul>\n</body>\n</html>', sep="");
+	cat(s, file=output_trackhub);
 }
 
-create_track = function(input_dir_para, input_dir_state, chrom_len_file, base_track_file_name) {
-    para_files <- list.files(path=input_dir_para, full.names=TRUE);
-    cat("para_files: ", para_files, "\n");
-    state_files <- list.files(path=input_dir_state, full.names=TRUE);
-    genome_size = read.table(chrom_len_file);
-    g = NULL;
-    for(i in state_files) {
-        tg = as.matrix(fread(i));
-        t = NULL;
-        for(j in 1:dim(genome_size)[1]) {
-            t = c(t, which(tg[,2]==as.character(genome_size[j, 1]) & as.numeric(tg[,4]) > as.numeric(genome_size[j, 2])));
-        }
-        if (length(t) > 0) {
-            tg = tg[-t,];
-        }
-        t = which(is.na(match(tg[,2], genome_size[,1]))==T);
-        if (length(t)>0) {
-            tg = tg[-t,];
-        }
-        g = rbind(g, tg);
-    }
-    uchr = sort(unique(as.character(g[,2])));
-    g1 = NULL;
-    for(i in uchr) {
-        t = which(g[,2]==i);
-        g1 = rbind(g1, g[t[order(as.integer(g[t, 3]))],]);
-    }
-    g = NULL;
-    chr = as.character(g1[,2]);
-    posst = as.numeric(g1[,3]);
-    posed = as.numeric(g1[,4]);
-    state = as.matrix(g1[,5:(dim(g1)[2]-1)]);
-    state_name = 0:max(state);
-    L = dim(g1)[1];
-    n = dim(state)[2];
-    cells = as.character(colnames(g1)[5:(dim(g1)[2]-1)]);
-    g1 = NULL;
-    options(scipen=999);
-    tt = which(chr[2:L]!=chr[2:L-1]);
-    tt = c(tt, which(posst[2:L]!=posed[2:L-1]));
-    tt = sort(unique(tt));
-    state_color <- get_state_color(para_files[1])
-    for(i in 1:n) {
-        cat("i: ", i, "\n");
-        tstate = state[,i];
-        t = c(tt, which(tstate[2:L]!=tstate[2:L-1]));
-        t = sort(unique(t));
-        t0 = c(0, t) + 1;
-        t = c(t, L);
-        np = cbind(chr[t], posst[t0], posed[t], tstate[t]);
-        track_file_name_bed <- get_track_file_name(base_track_file_name, i, "bed");
-        track_file_name_bigbed <- get_track_file_name(base_track_file_name, i, "bigbed");
-        x = cbind(np[, 1:3], state_name[as.integer(np[,4])+1], 1000, ".", np[,2:3], state_color[as.numeric(np[,4])+1]);
-        write.table(as.matrix(x), track_file_name_bed, quote=F, row.names=F, col.names=F);
-        system(paste("bedToBigBed ", track_file_name_bed, chrom_len_file, " ", track_file_name_bigbed));
-        system(paste("rm ", track_file_name_bed));
-    }
-    return(cells);
+create_track = function(input_dir_state, chrom_len_file, base_track_file_name) {
+	# Create everythin needed, including the bigbed file,
+	# to render the tracks within the UCSC track hub.
+	state_files <- list.files(path=input_dir_state, full.names=TRUE);
+	genome_size = read.table(chrom_len_file);
+	g = NULL;
+	for(i in state_files) {
+		tg = as.matrix(fread(i));
+		t = NULL;
+		for(j in 1:dim(genome_size)[1]) {
+			t = c(t, which(tg[,2]==as.character(genome_size[j, 1]) & as.numeric(tg[,4]) > as.numeric(genome_size[j, 2])));
+		}
+		if (length(t) > 0) {
+			tg = tg[-t,];
+		}
+		t = which(is.na(match(tg[,2], genome_size[,1]))==T);
+		if (length(t)>0) {
+			tg = tg[-t,];
+		}
+		g = rbind(g, tg);
+	}
+	uchr = sort(unique(as.character(g[,2])));
+	g1 = NULL;
+	for(i in uchr) {
+		t = which(g[,2]==i);
+		g1 = rbind(g1, g[t[order(as.integer(g[t, 3]))],]);
+	}
+	g = NULL;
+	chr = as.character(g1[,2]);
+	posst = as.numeric(g1[,3]);
+	posed = as.numeric(g1[,4]);
+	state = as.matrix(g1[,5:(dim(g1)[2]-1)]);
+	state_name = 0:max(state);
+	L = dim(g1)[1];
+	n = dim(state)[2];
+	cells = as.character(colnames(g1)[5:(dim(g1)[2]-1)]);
+	options(scipen=999);
+	tt = which(chr[2:L]!=chr[2:L-1]);
+	tt = c(tt, which(posst[2:L]!=posed[2:L-1]));
+	tt = sort(unique(tt));
+	for(i in 1:n) {
+		tstate = state[,i];
+		t = c(tt, which(tstate[2:L]!=tstate[2:L-1]));
+		t = sort(unique(t));
+		t0 = c(0, t) + 1;
+		t = c(t, L);
+		np = cbind(chr[t], posst[t0], posed[t], tstate[t]);
+		track_file_name_bed <- get_track_file_name(base_track_file_name, i, "bed");
+		track_file_name_bigbed <- get_track_file_name(base_track_file_name, i, "bigbed");
+		x = cbind(np[, 1:3], state_name[as.integer(np[,4])+1], 1000, ".", np[,2:3]);
+		write.table(as.matrix(x), track_file_name_bed, quote=F, row.names=F, col.names=F);
+		system(paste("bedToBigBed ", track_file_name_bed, chrom_len_file, " ", track_file_name_bigbed));
+		system(paste("rm ", track_file_name_bed));
+	}
+	return(cells);
 }
 
-create_track_db = function(galaxy_url, encoded_dataset_id, input_dir_para, input_dir_state, build, chrom_len_file, tracks_dir, hub_name, short_label, long_label) {
-    base_track_file_name <- paste(tracks_dir, hub_name, sep="");
-    cells = create_track(input_dir_para, input_dir_state, chrom_len_file, base_track_file_name);
-    cell_info = cbind(cells, cells, cells, "#000000");
-    cell_info = array(cell_info, dim=c(length(cells), 4));
-    cell_info = as.matrix(cell_info);
-    track_db = NULL;
-    for (i in 1:length(cells)) {
-        big_data_url <- get_big_data_url(galaxy_url, encoded_dataset_id, tracks_dir, i, build);
-        ii = which(cells[i] == cell_info[,1]);
-        if (length(ii) == 0) {
-            next;
-        }
-        ii = ii[1];
-        # trackDb.txt track entry.
-        track_db = c(track_db, paste("track ", hub_name, "_track_", i, sep=""));
-        track_db = c(track_db, "type bigBed");
-        track_db = c(track_db, paste("bigDataUrl", big_data_url, sep=" "));
-        track_db = c(track_db, paste("shortLabel", short_label, sep=" "));
-        track_db = c(track_db, paste("longLabel", long_label, sep=" "));
-        track_db = c(track_db, paste("priority", ii));
-        track_db = c(track_db, "itemRgb on");
-        track_db = c(track_db, "maxItems 100000");
-        track_db = c(track_db, paste("color", paste(c(col2rgb(cell_info[ii,4])), collapse=","), sep=" "));
-        track_db = c(track_db, "visibility dense");
-        track_db = c(track_db, "");
-    }
-    return(track_db);
+create_track_db = function(galaxy_url, encoded_dataset_id, input_dir_state, build, chrom_len_file, tracks_dir, hub_name, short_label, long_label) {
+	# Create a trackDb.txt file that includes each state.
+	base_track_file_name <- paste(tracks_dir, hub_name, sep="");
+	cells = create_track(input_dir_state, chrom_len_file, base_track_file_name);
+	# Create a a character vector of 1024 viridis color hex codes.
+	viridis_vector <- viridis(1024, alpha=1, begin=0, end=1, direction=1, option="D");
+	colors_used <- vector();
+	track_db = NULL;
+	for (i in 1:length(cells)) {
+		# Generate a random number between 1 and 1024 as
+		# the viridis_vector index for the next state color.
+		color_index <- sample(1:1024, 1)
+		# Make sure the color was not previously chosen.
+		while(is.element(color_index, colors_used)) {
+			color_index <- sample(1:1024, 1)
+		}
+		# Append the color to our list of chosen colors.
+		append(colors_used, color_index)
+		# Get the hex code from viridis_vector.
+		viridis_color_hex_code <- viridis_vector[color_index]
+		big_data_url <- get_big_data_url(galaxy_url, encoded_dataset_id, tracks_dir, i, build);
+		# trackDb.txt track entry.
+		track_db = c(track_db, paste("hub ", hub_name, "_track_", i, sep=""));
+		track_db = c(track_db, "type bigBed");
+		track_db = c(track_db, paste("bigDataUrl", big_data_url, sep=" "));
+		track_db = c(track_db, paste("shortLabel", short_label, sep=" "));
+		track_db = c(track_db, paste("longLabel", long_label, sep=" "));
+		track_db = c(track_db, paste("priority", i));
+		track_db = c(track_db, "itemRgb on");
+		track_db = c(track_db, "maxItems 100000");
+		track_db = c(track_db, paste("color", paste(c(col2rgb(viridis_color_hex_code)), collapse=","), sep=" "));
+		track_db = c(track_db, "visibility dense");
+		track_db = c(track_db, "");
+	}
+	return(track_db);
 }
 
 get_big_data_url = function(galaxy_url, encoded_dataset_id, tracks_dir, index, build) {
-    track_files <- list.files(path=tracks_dir, pattern="\\.bigbed");
-    s <- paste(galaxy_url, 'datasets/', encoded_dataset_id, '/display/myHub/', build, '/', track_files[index], sep="");
-    return(s)
-}
-
-get_rgb<-function(statemean, markcolor=NULL)
-{
-    if(length(markcolor) == 0) {
-        markcolor = rep("",dim(statemean)[2]);
-        markcolor[order(apply(statemean,2,sd),decreasing=T)]=hsv((1:dim(statemean)[2]-1)/dim(statemean)[2],1,1)
-        markcolor = t(col2rgb(markcolor));
-    }
-
-    rg = apply(statemean, 1, range);
-    mm = NULL;
-    for(i in 1:dim(statemean)[1]) {
-        mm = rbind(mm, (statemean[i,]-rg[1, i]+1e-10)/(rg[2, i]-rg[1, i]+1e-10));
-    }
-    mm = mm^5;
-    if (dim(mm)[2]>1) {
-        mm = mm / (apply(mm, 1, sum)+1e-10);
-    }
-    mycol = mm%*%markcolor;
-    s = apply(statemean, 1, max);
-    s = (s-min(s))/(max(s)-min(s)+1e-10);
-    mycol = round(255-(255-mycol)*s/0.5);
-    mycol[mycol<0] = 0;
-    rt = paste(mycol[,1], mycol[,2], mycol[,3], sep=",");
-    h = t(apply(mycol, 1, function(x){rgb2hsv(x[1], x[2], x[3])}));
-    h = apply(h, 1, function(x){hsv(x[1], x[2], x[3])});
-    rt = cbind(rt, h);
-    return(rt);
-
-    h = t(apply(mycol, 1, function(x){rgb2hsv(x[1], x[2], x[3])}));
-    h[,2] = h[,2]*s;
-    h = apply(h, 1, function(x){hsv(x[1], x[2], x[3])});
-    rt = cbind(apply(t(col2rgb(h)), 1, function(x){paste(x, collapse=",")}), h);
-    return(rt);
-}
-
-get_state_color <- function(para_file, cols=c("white", "dark blue")) {
-    x = read.table(para_file, comment="!", header=T);
-    k = dim(x)[2];
-    l = dim(x)[1];
-    p = (sqrt(9+8*(k-1))-3)/2;
-    m = as.matrix(x[,1+1:p]/x[,1]);
-    colnames(m) = colnames(x)[1+1:p];
-    marks = colnames(m);
-    rg = range(m);
-    colors = 0:100/100*(rg[2]-rg[1])+rg[1];
-    markcolor = t(col2rgb(terrain.colors(ceiling(p))[1:p]));
-    for(i in 1:length(marks)) {
-        if (regexpr("h3k4me3",tolower(marks[i]))>0) {
-            markcolor[i,]=c(255,0,0);
-        }
-        if (regexpr("h3k4me2",tolower(marks[i]))>0) {
-            markcolor[i,]=c(250,100,0);
-        }
-        if (regexpr("h3k4me1",tolower(marks[i]))>0) {
-            markcolor[i,]=c(250,250,0);
-        }
-        if (regexpr("h3k36me3",tolower(marks[i]))>0) {
-            markcolor[i,]=c(0,150,0);
-        }
-        if (regexpr("h2a",tolower(marks[i]))>0) {
-            markcolor[i,]=c(0,150,150);
-        }
-        if (regexpr("dnase",tolower(marks[i]))>0) {
-            markcolor[i,]=c(0,200,200);
-        }
-        if (regexpr("atac",tolower(marks[i]))>0) {
-            markcolor[i,]=c(0,200,200);
-        }
-        if (regexpr("h3k9ac",tolower(marks[i]))>0) {
-            markcolor[i,]=c(250,0,200);
-        }
-        if (regexpr("h3k9me3",tolower(marks[i]))>0) {
-            markcolor[i,]=c(100,100,100);
-        }
-        if (regexpr("h3k27ac",tolower(marks[i]))>0) {
-            markcolor[i,]=c(250,150,0);
-        }
-        if (regexpr("h3k27me3",tolower(marks[i]))>0) {
-            markcolor[i,]=c(0,0,225);
-        }
-        if (regexpr("h3k79me2",tolower(marks[i]))>0) {
-            markcolor[i,]=c(200,0,200);
-        }
-        if (regexpr("h4k20me1",tolower(marks[i]))>0) {
-            markcolor[i,]=c(50,200,50);
-        }
-        if (regexpr("ctcf",tolower(marks[i]))>0) {
-            markcolor[i,]=c(200,0,250);
-        }
-    }
-    statecolor = get_rgb(m, markcolor)[,];
-    return(statecolor);
+	track_files <- list.files(path=tracks_dir, pattern="\\.bigbed");
+	s <- paste(galaxy_url, 'datasets/', encoded_dataset_id, '/display/myHub/', build, '/', track_files[index], sep="");
+	return(s)
 }
 
 get_track_file_name = function(base_track_file_name, index, ext) {
-    track_file_name <- paste(base_track_file_name, index, ext, sep=".");
-    return(track_file_name);
+	track_file_name <- paste(base_track_file_name, index, ext, sep=".");
+	return(track_file_name);
 }
 
 # Create the hub.txt output.
@@ -252,7 +161,7 @@
 # Create the tracks.
 tracks_dir <- paste(hub_dir, opt$build, "/", sep="");
 dir.create(tracks_dir, showWarnings=FALSE);
-track_db <- create_track_db(opt$galaxy_url, opt$output_trackhub_id, opt$input_dir_para, opt$input_dir_state, opt$build, opt$chrom_len_file, tracks_dir, opt$hub_name, opt$short_label, opt$long_label);
+track_db <- create_track_db(opt$galaxy_url, opt$output_trackhub_id, opt$input_dir_state, opt$build, opt$chrom_len_file, tracks_dir, opt$hub_name, opt$short_label, opt$long_label);
 
 # Create the trackDb.txt output.
 track_db_file_path <- paste(tracks_dir, "trackDb.txt", sep="");