Skip to contents

Feature Heatmap

Usage

FeatureHeatmap(
  srt,
  features = NULL,
  cells = NULL,
  group.by = NULL,
  split.by = NULL,
  within_groups = FALSE,
  max_cells = 100,
  cell_order = NULL,
  border = TRUE,
  flip = FALSE,
  layer = "counts",
  assay = NULL,
  exp_method = c("zscore", "raw", "fc", "log2fc", "log1p"),
  exp_legend_title = NULL,
  limits = NULL,
  lib_normalize = identical(layer, "counts"),
  libsize = NULL,
  feature_split = NULL,
  feature_split_by = NULL,
  n_split = NULL,
  split_order = NULL,
  split_method = c("kmeans", "hclust", "mfuzz"),
  decreasing = FALSE,
  fuzzification = NULL,
  cluster_features_by = NULL,
  cluster_rows = FALSE,
  cluster_columns = FALSE,
  cluster_row_slices = FALSE,
  cluster_column_slices = FALSE,
  show_row_names = FALSE,
  show_column_names = FALSE,
  row_names_side = ifelse(flip, "left", "right"),
  column_names_side = ifelse(flip, "bottom", "top"),
  row_names_rot = 0,
  column_names_rot = 90,
  row_title = NULL,
  column_title = NULL,
  row_title_side = "left",
  column_title_side = "top",
  row_title_rot = 0,
  column_title_rot = ifelse(flip, 90, 0),
  anno_terms = FALSE,
  anno_keys = FALSE,
  anno_features = FALSE,
  terms_width = grid::unit(4, "in"),
  terms_fontsize = 8,
  keys_width = grid::unit(2, "in"),
  keys_fontsize = c(6, 10),
  features_width = grid::unit(2, "in"),
  features_fontsize = c(6, 10),
  IDtype = "symbol",
  species = "Homo_sapiens",
  db_update = FALSE,
  db_version = "latest",
  db_combine = FALSE,
  convert_species = FALSE,
  Ensembl_version = NULL,
  mirror = NULL,
  db = "GO_BP",
  TERM2GENE = NULL,
  TERM2NAME = NULL,
  minGSSize = 10,
  maxGSSize = 500,
  GO_simplify = FALSE,
  GO_simplify_cutoff = "p.adjust < 0.05",
  simplify_method = "Wang",
  simplify_similarityCutoff = 0.7,
  pvalueCutoff = NULL,
  padjustCutoff = 0.05,
  topTerm = 5,
  show_termid = FALSE,
  topWord = 20,
  words_excluded = NULL,
  nlabel = 20,
  features_label = NULL,
  label_size = 10,
  label_color = "black",
  heatmap_palette = "RdBu",
  heatmap_palcolor = NULL,
  group_palette = "Paired",
  group_palcolor = NULL,
  cell_split_palette = "simspec",
  cell_split_palcolor = NULL,
  feature_split_palette = "simspec",
  feature_split_palcolor = NULL,
  cell_annotation = NULL,
  cell_annotation_palette = "Paired",
  cell_annotation_palcolor = NULL,
  cell_annotation_params = if (flip) {
     list(width = grid::unit(5, "mm"))
 } else {
 
       list(height = grid::unit(5, "mm"))
 },
  feature_annotation = NULL,
  feature_annotation_palette = "Dark2",
  feature_annotation_palcolor = NULL,
  feature_annotation_params = if (flip) {
     list(height = grid::unit(5, "mm"))
 } else
    {
     list(width = grid::unit(5, "mm"))
 },
  use_raster = NULL,
  raster_device = "png",
  raster_by_magick = FALSE,
  height = NULL,
  width = NULL,
  units = "inch",
  seed = 11,
  ht_params = list(),
  verbose = TRUE
)

Arguments

srt

A Seurat object.

features

A character vector of features to use. Default is NULL.

cells

A character vector of cell names to use. Default is NULL.

group.by

Name of one or more meta.data columns to group (color) cells by.

split.by

Name of a column in meta.data column to split plot by. Default is NULL.

within_groups

Whether to create separate heatmap scales for each group or within each group. Default is FALSE.

max_cells

An integer, maximum number of cells to sample per group. Default is 100.

cell_order

A vector of cell names defining the order of cells. Default is NULL.

border

Whether to add a border to the heatmap. Default is TRUE.

flip

Whether to flip the heatmap. Default is FALSE.

layer

Which layer to use. Default is "counts".

assay

Which assay to use. If NULL, the default assay of the Seurat object will be used.

exp_method

A character vector specifying the method for calculating expression values. Options are "zscore", "raw", "fc", "log2fc", or "log1p". Default is "zscore".

exp_legend_title

A character vector specifying the title for the legend of expression value. Default is NULL.

limits

A two-length numeric vector specifying the limits for the color scale. Default is NULL.

lib_normalize

Whether to normalize the data by library size.

libsize

A numeric vector specifying the library size for each cell. Default is NULL.

feature_split

A factor specifying how to split the features. Default is NULL.

feature_split_by

A character vector specifying which group.by to use when splitting features (into n_split feature clusters). Default is NULL.

n_split

A number of feature splits (feature clusters) to create. Default is NULL.

split_order

A numeric vector specifying the order of splits. Default is NULL.

split_method

A character vector specifying the method for splitting features. Options are "kmeans", "hclust", or "mfuzz". Default is "kmeans".

decreasing

Whether to sort feature splits in decreasing order. Default is FALSE.

fuzzification

The fuzzification coefficient. Default is NULL.

cluster_features_by

A character vector specifying which group.by to use when clustering features. Default is NULL. By default, this parameter is set to NULL, which means that all groups will be used.

cluster_rows

Whether to cluster rows in the heatmap. Default is FALSE.

cluster_columns

Whether to cluster columns in the heatmap. Default is FALSE.

cluster_row_slices

Whether to cluster row slices in the heatmap. Default is FALSE.

cluster_column_slices

Whether to cluster column slices in the heatmap. Default is FALSE.

show_row_names

Whether to show row names in the heatmap. Default is FALSE.

show_column_names

Whether to show column names in the heatmap. Default is FALSE.

row_names_side

A character vector specifying the side to place row names.

column_names_side

A character vector specifying the side to place column names.

row_names_rot

The rotation angle for row names. Default is 0.

column_names_rot

The rotation angle for column names. Default is 90.

row_title

A character vector specifying the title for rows. Default is NULL.

column_title

A character vector specifying the title for columns. Default is NULL.

row_title_side

A character vector specifying the side to place row title. Default is "left".

column_title_side

A character vector specifying the side to place column title. Default is "top".

row_title_rot

The rotation angle for row title. Default is 0.

column_title_rot

The rotation angle for column title.

anno_terms

Whether to include term annotations. Default is FALSE.

anno_keys

Whether to include key annotations. Default is FALSE.

anno_features

Whether to include feature annotations. Default is FALSE.

terms_width

A unit specifying the width of term annotations. Default is unit(4, "in").

terms_fontsize

A numeric vector specifying the font size(s) for term annotations. Default is 8.

keys_width

A unit specifying the width of key annotations. Default is unit(2, "in").

keys_fontsize

A two-length numeric vector specifying the minimum and maximum font size(s) for key annotations. Default is c(6, 10).

features_width

A unit specifying the width of feature annotations. Default is unit(2, "in").

features_fontsize

A two-length numeric vector specifying the minimum and maximum font size(s) for feature annotations. Default is c(6, 10).

IDtype

A character vector specifying the type of IDs for features. Default is "symbol".

species

A character vector specifying the species for features. Default is "Homo_sapiens".

db_update

Whether the gene annotation databases should be forcefully updated. If set to FALSE, the function will attempt to load the cached databases instead. Default is FALSE.

db_version

A character vector specifying the version of the gene annotation databases to be retrieved. Default is "latest".

db_combine

Whether to use a combined database. Default is FALSE.

convert_species

Whether to use a species-converted database when the annotation is missing for the specified species. Default is TRUE.

Ensembl_version

An integer specifying the Ensembl version. Default is NULL. If NULL, the latest version will be used.

mirror

A character vector specifying the mirror for the Ensembl database. Default is NULL.

db

A character vector specifying the database to use. Default is "GO_BP".

TERM2GENE

A data.frame specifying the TERM2GENE mapping for the database. Default is NULL.

TERM2NAME

A data.frame specifying the TERM2NAME mapping for the database. Default is NULL.

minGSSize

An integer specifying the minimum gene set size for the database. Default is 10.

maxGSSize

An integer specifying the maximum gene set size for the database. Default is 500.

GO_simplify

Whether to simplify gene ontology terms. Default is FALSE.

GO_simplify_cutoff

A character vector specifying the cutoff for GO simplification. Default is "p.adjust < 0.05".

simplify_method

A character vector specifying the method for GO simplification. Default is "Wang".

simplify_similarityCutoff

The similarity cutoff for GO simplification. Default is 0.7.

pvalueCutoff

A numeric vector specifying the p-value cutoff(s) for significance. Default is NULL.

padjustCutoff

The adjusted p-value cutoff for significance. Default is 0.05.

topTerm

A number of top terms to include. Default is 5.

show_termid

Whether to show term IDs. Default is FALSE.

topWord

A number of top words to include. Default is 20.

words_excluded

A character vector specifying the words to exclude. Default is NULL.

nlabel

A number of labels to include. Default is 20.

features_label

A character vector specifying the features to label. Default is NULL.

label_size

The size of labels. Default is 10.

label_color

A character vector specifying the color of labels. Default is "black".

heatmap_palette

A character vector specifying the palette to use for the heatmap. Default is "RdBu".

heatmap_palcolor

A character vector specifying the heatmap color to use. Default is NULL.

group_palette

A character vector specifying the palette to use for groups. Default is "Paired".

group_palcolor

A character vector specifying the group color to use. Default is NULL.

cell_split_palette

A character vector specifying the palette to use for cell splits. Default is "simspec".

cell_split_palcolor

A character vector specifying the cell split color to use. Default is NULL.

feature_split_palette

A character vector specifying the palette to use for feature splits. Default is "simspec".

feature_split_palcolor

A character vector specifying the feature split color to use. Default is NULL.

cell_annotation

A character vector specifying the cell annotation(s) to include. Default is NULL.

cell_annotation_palette

A character vector specifying the palette to use for cell annotations. The length of the vector should match the number of cell_annotation. Default is "Paired".

cell_annotation_palcolor

A list of character vector specifying the cell annotation color(s) to use. The length of the list should match the number of cell_annotation. Default is NULL.

cell_annotation_params

A list specifying additional parameters for cell annotations. Default is a list with width = unit(1, "cm") if flip is TRUE, else a list with height = unit(1, "cm").

feature_annotation

A character vector specifying the feature annotation(s) to include. Default is NULL.

feature_annotation_palette

A character vector specifying the palette to use for feature annotations. The length of the vector should match the number of feature_annotation. Default is "Dark2".

feature_annotation_palcolor

A list of character vector specifying the feature annotation color to use. The length of the list should match the number of feature_annotation. Default is NULL.

feature_annotation_params

A list specifying additional parameters for feature annotations. Default is list().

use_raster

Whether to use a raster device for plotting. Default is NULL.

raster_device

A character vector specifying the raster device to use. Default is "png".

raster_by_magick

Whether to use the 'magick' package for raster. Default is FALSE.

height

A numeric vector specifying the height(s) of the heatmap body. Default is NULL.

width

A numeric vector specifying the width(s) of the heatmap body. Default is NULL.

units

A character vector specifying the units for the height and width. Default is "inch".

seed

Random seed for reproducibility. Default is 11.

ht_params

Additional parameters to customize the appearance of the heatmap. This should be a list with named elements, where the names correspond to parameter names in the ComplexHeatmap::Heatmap function. Any conflicting parameters will override the defaults set by this function. Default is list().

verbose

Whether to print the message. Default is TRUE.

See also

Examples

data(pancreas_sub)
pancreas_sub <- standard_scop(pancreas_sub)
#>  [2026-01-27 07:46:34] Start standard scop workflow...
#>  [2026-01-27 07:46:35] Checking a list of <Seurat>...
#> ! [2026-01-27 07:46:35] Data 1/1 of the `srt_list` is "unknown"
#>  [2026-01-27 07:46:35] Perform `NormalizeData()` with `normalization.method = 'LogNormalize'` on the data 1/1 of the `srt_list`...
#>  [2026-01-27 07:46:37] Perform `Seurat::FindVariableFeatures()` on the data 1/1 of the `srt_list`...
#>  [2026-01-27 07:46:37] Use the separate HVF from srt_list
#>  [2026-01-27 07:46:37] Number of available HVF: 2000
#>  [2026-01-27 07:46:38] Finished check
#>  [2026-01-27 07:46:38] Perform `Seurat::ScaleData()`
#>  [2026-01-27 07:46:38] Perform pca linear dimension reduction
#>  [2026-01-27 07:46:39] Perform `Seurat::FindClusters()` with `cluster_algorithm = 'louvain'` and `cluster_resolution = 0.6`
#>  [2026-01-27 07:46:39] Reorder clusters...
#>  [2026-01-27 07:46:39] Perform umap nonlinear dimension reduction
#>  [2026-01-27 07:46:39] Non-linear dimensionality reduction (umap) using (Standardpca) dims (1-50) as input
#>  [2026-01-27 07:46:43] Non-linear dimensionality reduction (umap) using (Standardpca) dims (1-50) as input
#>  [2026-01-27 07:46:46] Run scop standard workflow completed
pancreas_sub <- RunDEtest(
  pancreas_sub,
  group.by = "CellType"
)
#>  [2026-01-27 07:46:47] Data type is log-normalized
#>  [2026-01-27 07:46:47] Start differential expression test
#>  [2026-01-27 07:46:47] Find all markers(wilcox) among [1] 5 groups...
#>  [2026-01-27 07:46:47] Using 1 core
#>  [2026-01-27 07:46:47] Running for Ductal [1/5] ■■■■■■■                       
#>  [2026-01-27 07:46:47] Completed 5 tasks in 949ms
#> 
#>  [2026-01-27 07:46:47] Building results
#>  [2026-01-27 07:46:48] Differential expression test completed
de_filter <- dplyr::filter(
  pancreas_sub@tools$DEtest_CellType$AllMarkers_wilcox,
  p_val_adj < 0.05 & avg_log2FC > 1
)
ht1 <- FeatureHeatmap(
  pancreas_sub,
  features = de_filter$gene,
  group.by = "CellType",
  split.by = "Phase",
  cell_split_palette = "Dark2"
)
#> `use_raster` is automatically set to TRUE for a matrix with more than
#> 2000 rows. You can control `use_raster` argument by explicitly setting
#> TRUE/FALSE to it.
#> 
#> Set `ht_opt$message = FALSE` to turn off this message.
ht1$plot


thisplot::panel_fix(
  ht1$plot,
  height = 4,
  width = 6,
  raster = TRUE,
  dpi = 50
)


ht2 <- FeatureHeatmap(
  pancreas_sub,
  features = de_filter$gene,
  group.by = c("CellType", "SubCellType"),
  n_split = 4,
  cluster_rows = TRUE,
  cluster_row_slices = TRUE,
  cluster_columns = TRUE,
  cluster_column_slices = TRUE,
  ht_params = list(row_gap = grid::unit(0, "mm")),
  use_raster = FALSE
)
#>  [2026-01-27 07:47:02] The size of the heatmap is fixed because certain elements are not scalable.
#>  [2026-01-27 07:47:02] The width and height of the heatmap are determined by the size of the current viewport.
#>  [2026-01-27 07:47:02] If you want to have more control over the size, you can manually set the parameters 'width' and 'height'.

ht2$plot


ht3 <- FeatureHeatmap(
  pancreas_sub,
  features = de_filter$gene,
  feature_split = de_filter$group1,
  group.by = "CellType",
  species = "Mus_musculus",
  db = "GO_BP",
  anno_terms = TRUE,
  anno_keys = TRUE,
  anno_features = TRUE
)
#>  [2026-01-27 07:47:31] Start Enrichment analysis
#>  [2026-01-27 07:47:32] Species: "Mus_musculus"
#>  [2026-01-27 07:47:32] Loading cached: GO_BP version: 3.22.0 nterm:15169 created: 2026-01-27 07:42:00
#>  [2026-01-27 07:47:33] Permform enrichment...
#>  [2026-01-27 07:47:33] Using 1 core
#>  [2026-01-27 07:47:33] Running for 1 [1/5] ■■■■■■■                           2…
#>  [2026-01-27 07:47:33] Running for 2 [2/5] ■■■■■■■■■■■■■                     4…
#>  [2026-01-27 07:47:33] Running for 3 [3/5] ■■■■■■■■■■■■■■■■■■■               6…
#>  [2026-01-27 07:47:33] Running for 4 [4/5] ■■■■■■■■■■■■■■■■■■■■■■■■■         8…
#>  [2026-01-27 07:47:33] Completed 5 tasks in 1m 12.9s
#> 
#>  [2026-01-27 07:47:33] Building results
#>  [2026-01-27 07:48:47] Enrichment analysis done
#> `use_raster` is automatically set to TRUE for a matrix with more than
#> 2000 rows. You can control `use_raster` argument by explicitly setting
#> TRUE/FALSE to it.
#> 
#> Set `ht_opt$message = FALSE` to turn off this message.
#>  [2026-01-27 07:49:26] The size of the heatmap is fixed because certain elements are not scalable.
#>  [2026-01-27 07:49:26] The width and height of the heatmap are determined by the size of the current viewport.
#>  [2026-01-27 07:49:27] If you want to have more control over the size, you can manually set the parameters 'width' and 'height'.

ht3$plot


pancreas_sub <- RunSlingshot(
  pancreas_sub,
  group.by = "SubCellType",
  reduction = "UMAP"
)
#> Warning: No shared levels found between `names(values)` of the manual scale and the
#> data's fill values.
#> Warning: No shared levels found between `names(values)` of the manual scale and the
#> data's fill values.
#> Warning: Removed 3 rows containing missing values or values outside the scale range
#> (`geom_path()`).
#> Warning: Removed 3 rows containing missing values or values outside the scale range
#> (`geom_path()`).

ht4 <- FeatureHeatmap(
  pancreas_sub,
  features = de_filter$gene,
  nlabel = 10,
  cell_order = names(sort(pancreas_sub$Lineage1)),
  cell_annotation = c("SubCellType", "Lineage1"),
  cell_annotation_palette = c("Paired", "cividis")
)
#> `use_raster` is automatically set to TRUE for a matrix with more than
#> 2000 rows. You can control `use_raster` argument by explicitly setting
#> TRUE/FALSE to it.
#> 
#> Set `ht_opt$message = FALSE` to turn off this message.
ht4$plot


if (FALSE) { # \dontrun{
pancreas_sub <- AnnotateFeatures(
  pancreas_sub,
  species = "Mus_musculus",
  db = c("CSPA", "TF")
)

ht5 <- FeatureHeatmap(
  pancreas_sub,
  features = de_filter$gene,
  n_split = 4,
  group.by = "CellType",
  heatmap_palette = "viridis",
  feature_annotation = c("TF", "CSPA"),
  feature_annotation_palcolor = list(
    c("gold", "steelblue"), c("forestgreen")
  ),
  cell_annotation = c("Phase", "G2M_score"),
  cell_annotation_palette = c("Dark2", "Purples")
)
ht5$plot

ht6 <- FeatureHeatmap(
  pancreas_sub,
  features = de_filter$gene,
  n_split = 4,
  group.by = "CellType",
  heatmap_palette = "viridis",
  feature_annotation = c("TF", "CSPA"),
  feature_annotation_palcolor = list(
    c("gold", "steelblue"), c("forestgreen")
  ),
  cell_annotation = c("Phase", "G2M_score"),
  cell_annotation_palette = c("Dark2", "Purples"),
  flip = TRUE,
  column_title_rot = 45
)
ht6$plot
} # }