diff --git a/R/plot.R b/R/plot.R index 69fca5f..61d90dd 100644 --- a/R/plot.R +++ b/R/plot.R @@ -243,6 +243,279 @@ plot_cci <- function(graph, } +#'Plot Cell Cell Interaction +#' +#'This function do a CCI plot +#' +#'@param graph Paths of single condition LR data +#'@param colors Cell type (Cluster) Colors +#'@param plt_name Plot Name (Title) +#'@param coords object coordinates +#'@param emax Max MeanLR across the all inputs, if its not defined, +#'the method going to consider the max find within a sample +#'@param leg Set color legend +#'@param low Lower threshold: This parameter low and high defines the edges +#'@param high Higher threshould +#' which will be filtered. Edges within the interval \[low\,high\] are filtered. +#'@param ignore_alpha not include transparency on the plot +#'@param log logscale the interactions +#'@param efactor edge scale factor +#'@param vfactor edge scale factor +#'@param pg pagerank values +#'@param vnames remove vertex labels +#'@param col_pallet Custom color pallet for the Edges +#'@param standard_node_size Node size if no Pagerank values are given +#'@param pg_node_size_low Smallest node size if Pagerank values are given +#'@param pg_node_size_high Largest node size if Pagerank values are given +#'@param arrow_size Scale value for the arrow size +#'@param arrow_width Scale value for the arrow width +#'@param node_label_position Scale Factor to move the node labels +#'@param node_label_size Scale Factor to change the node label size +#'@importFrom tidyr %>% +#'@import colorBlindness +#'@return R default plot +#'@export +#'@examples +#'paths <- c('CTR' = system.file("extdata", +#' "CTR_LR.csv", +#' package = "CrossTalkeR"), +#' 'EXP' = system.file("extdata", +#' "EXP_LR.csv", +#' package = "CrossTalkeR")) +#' +#'genes <- c('TGFB1') +#' +#'output = system.file("extdata", package = "CrossTalkeR") +#'data <- generate_report(paths, +#' genes, +#' out_path=paste0(output,'/'), +#' threshold=0, +#' out_file = 'vignettes_example.html', +#' output_fmt = "html_document", +#' report = FALSE) +#'plot_cci(graph = data@graphs$CTR, +#' colors = data@colors, +#' plt_name = 'Example 1', +#' coords = data@coords[igraph::V(data@graphs$CTR)$name,], +#' emax = NULL, +#' leg = FALSE, +#' low = 0, +#' high = 0, +#' ignore_alpha = FALSE, +#' log = FALSE, +#' efactor = 8, +#' vfactor = 12, +#' vnames = TRUE) +new_plot_cci <- function(graph, + plt_name, + emax = NULL, + leg = FALSE, + low = 25, + high = 75, + ignore_alpha = FALSE, + log = FALSE, + efactor = 8, + vfactor = 12, + vnames = TRUE, + pg = NULL, + vnamescol = NULL, + colors, + coords, + col_pallet = NULL, + standard_node_size = 20, + pg_node_size_low = 10, + pg_node_size_high = 60, + arrow_size = 0.4, + arrow_width = 0.8, + node_label_position = 1.25, + node_label_size = 0.6) { + + # Check Maximal Weight + if (is.null(emax)) { + emax <- max(abs(igraph::E(graph)$weight)) + } + # Using color pallet to up and down regulation + if(is.null(col_pallet)){ + col_pallet <- colorBlindness::Blue2DarkOrange18Steps + # Expanding the pallet range + col_pallet[10] <- '#ffefd7' + } + col_pallet <- grDevices::colorRampPalette(col_pallet)(201) + # Checking looops + edge_start <- igraph::ends(graph, + es = igraph::E(graph), + names = FALSE) + # Scale nodes coordinates + if (nrow(coords) != 1) { + coords_scale <- scale(coords) + } else { + coords_scale <- coords + } + # It will make the loops in a correct angle + loop_angle <- ifelse(coords_scale[igraph::V(graph)$name, 1] > 0, + -atan(coords_scale[igraph::V(graph)$name, 2] / coords_scale[igraph::V(graph)$name, 1]), + pi - atan(coords_scale[igraph::V(graph)$name, 2] / coords_scale[igraph::V(graph)$name, 1])) + # Setting node colors + igraph::V(graph)$color <- colors[igraph::V(graph)$name] + ## Color scheme + we <- round( + oce::rescale(igraph::E(graph)$weight, + xlow = (-emax), + xhigh = emax, + rlow = 1, + rhigh = 200, + clip = TRUE), + 0) + igraph::E(graph)$color <- col_pallet[we] + alpha_cond <- (igraph::E(graph)$inter > low) & (igraph::E(graph)$inter < high) + alpha <- ifelse(alpha_cond, 0, igraph::E(graph)$inter) + subgraph <- igraph::delete.edges(graph, + igraph::E(graph)[alpha == 0 | is.na(alpha)] + ) + if (!ignore_alpha) { + igraph::E(graph)$color <- scales::alpha(igraph::E(graph)$color, alpha) + } + ## Thickness and arrow size + if (is.null(pg)) { + igraph::V(graph)$size <- standard_node_size + } else { + igraph::V(graph)$size <- oce::rescale(pg, + xlow = quantile(x = pg, prob = 0.25), + xhigh = quantile(x = pg, prob = 0.75), + rlow = pg_node_size_low, + rhigh = pg_node_size_high, + clip = TRUE) + } + + if (log) { + igraph::E(graph)$width <- ifelse(igraph::E(graph)$inter != 0, + log2(1 + igraph::E(graph)$inter), + 0) * efactor + } else { + igraph::E(graph)$width <- ifelse(igraph::E(graph)$inter != 0, + igraph::E(graph)$inter, + 0) * efactor + } + igraph::E(graph)$arrow.size <- arrow_size + igraph::E(graph)$arrow.width <- igraph::E(graph)$width + arrow_width + igraph::E(graph)$loop.angle <- NA + if (sum(edge_start[, 2] == edge_start[, 1]) != 0) { + igraph::E(graph)$loop.angle[which(edge_start[, 2] == edge_start[, 1])] <- loop_angle[edge_start[which(edge_start[, 2] == edge_start[, 1]), 1]] + igraph::E(graph)$loop.angle[which(edge_start[, 2] != edge_start[, 1])] <- 0 + } + coords_scale[, 1] <- scales::rescale(coords_scale[, 1], from = c(-1, 1), to = c(-2, 2)) + coords_scale[, 2] <- scales::rescale(coords_scale[, 2], from = c(-1, 1), to = c(-2, 2)) + plot(graph, + layout = coords_scale, + xlim = c(-4, 4), + ylim = c(-4, 4), + rescale = F, + edge.curved = 0.5, + vertex.label = NA, + vertex.shape = "circle", + margin = 0.0, + loop.angle = igraph::E(graph)$loop.angle, + edge.label = NA, + main = plt_name + ) + # Thicknesse legend + amin <- min(igraph::E(graph)$inter[igraph::E(graph)$inter != 0]) + amax <- max(igraph::E(graph)$inter) + e_wid_sp <- c(amin, + amin + amax / 2, + amax) + graphics::legend("topleft", + legend = round(e_wid_sp, 1), + col = "black", + title = "Percentage of the interactions", + pch = NA, + bty = "n", + cex = 1, + lwd = e_wid_sp, + lty = c(1, 1, 1), + horiz = FALSE) + + v <- igraph::V(graph)$size + # Pagerank legend + if (!is.null(pg)) { + a <- graphics::legend('bottomleft', + title = "Node Pagerank", + legend = c("", "", ""), + pt.cex = c(min(v) + 1, mean(v), max(v)) / 12, col = 'black', + pch = 21, pt.bg = 'black', box.lwd = 0, y.intersp = 2) + graphics::text(a$rect$left + a$rect$w, a$text$y, + c(round(min(pg), 2), round(mean(pg), 2), round(max(pg), 2)), pos = 2) + } + x <- coords_scale[, 1] * node_label_position + y <- coords_scale[, 2] * node_label_position + coord_ratio <- coords_scale[, 1] / coords_scale[, 2] + angle <- ifelse( + atan(-coord_ratio) * (180 / pi) < 0, + 90 + atan(-coord_ratio) * (180 / pi), + 270 + atan(-coord_ratio) * (180 / pi)) + if (vnames) { + if (!is.null(vnamescol)) { + for (i in seq_len(length(x))) { + graphics::text(x = x[i], + y = y[i], + labels = igraph::V(graph)$name[i], + adj = NULL, + pos = NULL, + cex = node_label_size, + col = vnamescol[igraph::V(graph)$name[i]], + xpd = TRUE) + } + } else { + for (i in seq_len(length(x))) { + graphics::text(x = x[i], + y = y[i], + labels = igraph::V(graph)$name[i], + adj = NULL, + pos = NULL, + cex = node_label_size, + col = "black", + xpd = TRUE) + } + + } + } + if (leg) { + # Edge Colormap + if (min(igraph::E(graph)$weight) < 0 & max(igraph::E(graph)$weight) > 0) { + leg <- netdiffuseR::drawColorKey(seq(1, 200), + tick.marks = c(1, 101, 200), + color.palette = col_pallet, + labels = c(-round(emax, 3), 0, round(emax, 3)), + nlevels = 200, + main = "Weights", + pos = 2, + key.pos = c(0.98, 1.0, 0.0, 0.2), + border = "transparent") + } else if (max(igraph::E(graph)$weight) < 0) { + leg <- netdiffuseR::drawColorKey(seq(1, 100), + tick.marks = c(1, 101), + color.palette = col_pallet[1:101], + labels = c(-round(emax, 3), 0), + nlevels = 100, + main = "Weights", + pos = 2, + key.pos = c(0.98, 1.0, 0.0, 0.2), + border = "transparent") + }else { + leg <- netdiffuseR::drawColorKey(seq(100, 200), + tick.marks = c(100, 200), + color.palette = col_pallet[100:201], + labels = c(0, round(emax, 3)), + nlevels = 100, + main = "Weights", + pos = 2, + key.pos = c(0.98, 1.0, 0.0, 0.2), + border = "transparent") + } + } +} + + #'This function selected genes sankey plot #' #'@param lrobj_tbl LRobject table with all data