fix: fix current issues

README.md

@@ -69,6 +69,6 @@
 
 If you have used stLearn in your research, please consider citing us:
 
-> Pham, Duy, et al. "Robust mapping of spatiotemporal trajectories and cell–cell interactions in healthy and diseased tissues." 
+> Pham, Duy, et al. "Robust mapping of spatiotemporal trajectories and cell–cell interactions in healthy and diseased tissues."
 > Nature Communications 14.1 (2023): 7739.
 > [https://doi.org/10.1101/2020.05.31.125658](https://doi.org/10.1038/s41467-023-43120-6)

requirements.txt

@@ -2,6 +2,7 @@ bokeh>= 2.4.2
 click>=8.0.4
 leidenalg
 louvain
+numba<=0.57.1
 numpy>=1.18,<1.22
 Pillow>=9.0.1
 scanpy>=1.8.2

stlearn/adds/annotation.py

@@ -1,4 +1,4 @@
-from typing import Optional, Union
+from typing import Optional, Union, List
 from anndata import AnnData
 from matplotlib import pyplot as plt
 from pathlib import Path
@@ -7,11 +7,10 @@
 
 def annotation(
     adata: AnnData,
-    label_list: list,
+    label_list: List[str],
     use_label: str = "louvain",
     copy: bool = False,
 ) -> Optional[AnnData]:
-
     """\
     Adding annotation for cluster
 
@@ -38,8 +37,9 @@ def annotation(
     if len(label_list) != len(adata.obs[use_label].unique()):
         raise ValueError("Please give the correct number of label list!")
 
-    adata.obs[use_label + "_anno"] = adata.obs[use_label]
-    adata.obs[use_label + "_anno"].cat.categories = label_list
+    adata.obs[use_label + "_anno"] = adata.obs[use_label].cat.rename_categories(
+        label_list
+    )
 
     print("The annotation is added to adata.obs['" + use_label + "_anno" + "']")
 

stlearn/image_preprocessing/image_tiling.py

@@ -13,9 +13,10 @@
 def tiling(
     adata: AnnData,
     out_path: Union[Path, str] = "./tiling",
-    library_id: str = None,
+    library_id: Union[str, None] = None,
     crop_size: int = 40,
     target_size: int = 299,
+    img_fmt: str = "JPEG",
     verbose: bool = False,
     copy: bool = False,
 ) -> Optional[AnnData]:
@@ -78,17 +79,24 @@ def tiling(
                 (imagecol_left, imagerow_down, imagecol_right, imagerow_up)
             )
             tile.thumbnail((target_size, target_size), Image.Resampling.LANCZOS)
-            tile.resize((target_size, target_size))
+            tile = tile.resize((target_size, target_size))
             tile_name = str(imagecol) + "-" + str(imagerow) + "-" + str(crop_size)
-            out_tile = Path(out_path) / (tile_name + ".jpeg")
-            tile_names.append(str(out_tile))
+
+            if img_fmt == "JPEG":
+                out_tile = Path(out_path) / (tile_name + ".jpeg")
+                tile_names.append(str(out_tile))
+                tile.save(out_tile, "JPEG")
+            else:
+                out_tile = Path(out_path) / (tile_name + ".png")
+                tile_names.append(str(out_tile))
+                tile.save(out_tile, "PNG")
+
             if verbose:
                 print(
                     "generate tile at location ({}, {})".format(
                         str(imagecol), str(imagerow)
                     )
                 )
-            tile.save(out_tile, "JPEG")
 
             pbar.update(1)
 

stlearn/plotting/trajectory/__init__.py

@@ -1,5 +1,6 @@
 from .pseudotime_plot import pseudotime_plot
 from .local_plot import local_plot
+from .tree_plot_simple import tree_plot_simple
 from .tree_plot import tree_plot
 from .transition_markers_plot import transition_markers_plot
 from .DE_transition_plot import DE_transition_plot

stlearn/plotting/trajectory/tree_plot.py

@@ -33,7 +33,6 @@ def tree_plot(
     ncols: int = 4,
     copy: bool = False,
 ) -> Optional[AnnData]:
-
     """\
     Hierarchical tree plot represent for the global spatial trajectory inference.
 
@@ -114,7 +113,6 @@ def tree_plot(
 
 
 def hierarchy_pos(G, root=None, width=1.0, vert_gap=0.2, vert_loc=0, xcenter=0.5):
-
     """
     From Joel's answer at https://stackoverflow.com/a/29597209/2966723.
     Licensed under Creative Commons Attribution-Share Alike

stlearn/plotting/trajectory/tree_plot_simple.py

@@ -0,0 +1,216 @@
+from matplotlib import pyplot as plt
+from PIL import Image
+import pandas as pd
+import matplotlib
+import numpy as np
+import networkx as nx
+import math
+import random
+from stlearn._compat import Literal
+from typing import Optional, Union
+from anndata import AnnData
+import warnings
+import io
+from copy import deepcopy
+from stlearn.utils import _read_graph
+
+
+def tree_plot_simple(
+    adata: AnnData,
+    library_id: str = None,
+    figsize: Union[float, int] = (10, 4),
+    data_alpha: float = 1.0,
+    use_label: str = "louvain",
+    spot_size: Union[float, int] = 50,
+    fontsize: int = 6,
+    piesize: float = 0.15,
+    zoom: float = 0.1,
+    name: str = None,
+    output: str = None,
+    dpi: int = 180,
+    show_all: bool = False,
+    show_plot: bool = True,
+    ncols: int = 4,
+    copy: bool = False,
+) -> Optional[AnnData]:
+    """\
+    Hierarchical tree plot represent for the global spatial trajectory inference.
+
+    Parameters
+    ----------
+    adata
+        Annotated data matrix.
+    library_id
+        Library id stored in AnnData.
+    use_label
+        Use label result of cluster method.
+    figsize
+        Change figure size.
+    data_alpha
+        Opacity of the spot.
+    fontsize
+        Choose font size.
+    piesize
+        Choose the size of cropped image.
+    zoom
+        Choose zoom factor.
+    show_all
+        Show all cropped image or not.
+    show_legend
+        Show legend or not.
+    dpi
+        Set dpi as the resolution for the plot.
+    copy
+        Return a copy instead of writing to adata.
+    Returns
+    -------
+    Nothing
+    """
+
+    G = _read_graph(adata, "PTS_graph")
+
+    if library_id is None:
+        library_id = list(adata.uns["spatial"].keys())[0]
+
+    G.remove_node(9999)
+
+    start_nodes = []
+    disconnected_nodes = []
+    for node in G.in_degree():
+        if node[1] == 0:
+            start_nodes.append(node[0])
+
+    for node in G.out_degree():
+        if node[1] == 0:
+            disconnected_nodes.append(node[0])
+
+    start_nodes = list(set(start_nodes) - set(disconnected_nodes))
+    start_nodes.sort()
+
+    nrows = math.ceil(len(start_nodes) / ncols)
+
+    superfig, axs = plt.subplots(nrows, ncols, figsize=figsize)
+    axs = axs.ravel()
+
+    for idx in range(0, nrows * ncols):
+        try:
+            generate_tree_viz(
+                adata, use_label, G, axs[idx], starter_node=start_nodes[idx]
+            )
+        except:
+            axs[idx] = axs[idx].axis("off")
+
+    if name is None:
+        name = use_label
+
+    if output is not None:
+        superfig.savefig(
+            output + "/" + name, dpi=dpi, bbox_inches="tight", pad_inches=0
+        )
+
+    if show_plot == True:
+        plt.show()
+
+
+def hierarchy_pos(G, root=None, width=1.0, vert_gap=0.2, vert_loc=0, xcenter=0.5):
+    """
+    From Joel's answer at https://stackoverflow.com/a/29597209/2966723.
+    Licensed under Creative Commons Attribution-Share Alike
+
+    If the graph is a tree this will return the positions to plot this in a
+    hierarchical layout.
+
+    G: the graph (must be a tree)
+
+    root: the root node of current branch
+    - if the tree is directed and this is not given,
+      the root will be found and used
+    - if the tree is directed and this is given, then
+      the positions will be just for the descendants of this node.
+    - if the tree is undirected and not given,
+      then a random choice will be used.
+
+    width: horizontal space allocated for this branch - avoids overlap with other branches
+
+    vert_gap: gap between levels of hierarchy
+
+    vert_loc: vertical location of root
+
+    xcenter: horizontal location of root
+    """
+    if not nx.is_tree(G):
+        raise TypeError("cannot use hierarchy_pos on a graph that is not a tree")
+
+    if root is None:
+        if isinstance(G, nx.DiGraph):
+            root = next(
+                iter(nx.topological_sort(G))
+            )  # allows back compatibility with nx version 1.11
+        else:
+            root = random.choice(list(G.nodes))
+
+    def _hierarchy_pos(
+        G, root, width=1.0, vert_gap=0.2, vert_loc=0, xcenter=0.5, pos=None, parent=None
+    ):
+        """
+        see hierarchy_pos docstring for most arguments
+
+        pos: a dict saying where all nodes go if they have been assigned
+        parent: parent of this branch. - only affects it if non-directed
+
+        """
+
+        if pos is None:
+            pos = {root: (xcenter, vert_loc)}
+        else:
+            pos[root] = (xcenter, vert_loc)
+        children = list(G.neighbors(root))
+        if not isinstance(G, nx.DiGraph) and parent is not None:
+            children.remove(parent)
+        if len(children) != 0:
+            dx = width / len(children)
+            nextx = xcenter - width / 2 - dx / 2
+            for child in children:
+                nextx += dx
+                pos = _hierarchy_pos(
+                    G,
+                    child,
+                    width=dx,
+                    vert_gap=vert_gap,
+                    vert_loc=vert_loc - vert_gap,
+                    xcenter=nextx,
+                    pos=pos,
+                    parent=root,
+                )
+        return pos
+
+    return _hierarchy_pos(G, root, width, vert_gap, vert_loc, xcenter)
+
+
+def generate_tree_viz(adata, use_label, G, axis, starter_node):
+    tmp_edges = []
+    for edge in G.edges():
+        if starter_node == edge[0]:
+            tmp_edges.append(edge)
+    tmp_D = nx.DiGraph()
+    tmp_D.add_edges_from(tmp_edges)
+
+    pos = hierarchy_pos(tmp_D)
+    a = axis
+
+    a.axis("off")
+    colors = []
+    for n in tmp_D:
+        subset = adata.obs[adata.obs["sub_cluster_labels"] == str(n)]
+        colors.append(adata.uns[use_label + "_colors"][int(subset[use_label][0])])
+
+    nx.draw_networkx_edges(
+        tmp_D,
+        pos,
+        ax=a,
+        arrowstyle="-",
+        edge_color="#ADABAF",
+        connectionstyle="angle3,angleA=0,angleB=90",
+    )
+    nx.draw_networkx_nodes(tmp_D, pos, node_color=colors, ax=a)
+    nx.draw_networkx_labels(tmp_D, pos, font_color="black", ax=a)