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88 changes: 71 additions & 17 deletions bin/analysis/squidpy_entry_point.py
Original file line number Diff line number Diff line change
Expand Up @@ -6,55 +6,109 @@
from typing import Iterable, Tuple

import anndata
import cv2
import manhole
import matplotlib.pyplot as plt
import numpy as np
import pandas as pd
import scanpy as sc
import squidpy as sq
import tifffile as tf

from common import Assay
from plot_utils import new_plot
import spatialdata
import spatialdata_plot

from spatialdata.models import Image2DModel, Image3DModel, Labels2DModel, Labels3DModel, PointsModel, ShapesModel, TableModel
from math import ceil, log2
from aicsimageio import AICSImage
import geopandas
import shapely
import pandas as pd

ome_tiff_pattern = re.compile(r"(?P<basename>.*)\.ome\.tiff(f?)$")
desired_pixel_size_for_pyramid = 250

ome_tiff_pattern = re.compile(r"(?P<basename>.*)\.ome\.tiff(f?)$")

def find_ome_tiffs(input_dir: Path) -> Iterable[Path]:
"""
Yields 2-tuples:
[0] full Path to source file
[1] output file Path (source file relative to input_dir)
"""
def find_ome_tiff(input_dir: Path) -> Path:
for dirpath_str, _, filenames in walk(input_dir):
dirpath = Path(dirpath_str)
for filename in filenames:
if ome_tiff_pattern.match(filename):
src_filepath = dirpath / filename
yield src_filepath

return src_filepath

def get_img_spatialdata(img_dir: Path):
print("Loading image data")
image_file = find_ome_tiff(img_dir)
image = AICSImage(image_file)
image_data_squeezed = image.data.squeeze()
print("... done. Original shape:", image.data.shape)
print(f"New shape: {image_data_squeezed.shape}")

image_scale_factors = (2,) * ceil(
log2(max(image_data_squeezed.shape[1:]) / desired_pixel_size_for_pyramid)
)

img_for_sdata = Image2DModel.parse(
data=image_data_squeezed,
dims=['y','x','c'],
scale_factors=image_scale_factors,
)

return img_for_sdata


def get_shapes_spatialdata(adata:anndata.AnnData):
geo_df = geopandas.GeoDataFrame(index=adata.obs.index)
if 'spatial' in adata.uns:#visium
radius = adata.uns['spatial']['visium']['scalefactors']['spot_diameter_fullres'] / 2
else:#slideseq
radius = 5
adata.obsm['spatial'] = adata.obsm['X_spatial']
radius_series = pd.Series(radius, index=geo_df.index)
coords = adata.obsm['spatial']
points_list = [shapely.Point(coords[i]) for i in range(len(adata.obs.index))]
points_series = geopandas.GeoSeries(points_list, index=adata.obs.index)
geo_df['geometry'] = points_series
geo_df['radius'] = radius_series
return ShapesModel.parse(geo_df)

def main(assay: Assay, h5ad_file: Path, img_dir: Path = None):
if assay in {Assay.VISIUM_FF, Assay.SLIDESEQ}:
adata = anndata.read(h5ad_file)

table_for_sdata = TableModel.parse(adata)
shapes_for_sdata = get_shapes_spatialdata(adata)

adata.obsm["spatial"] = adata.obsm["X_spatial"]

if img_dir:
tiff_file = list(find_ome_tiffs(input_dir=img_dir))[0]
tiff_file = find_ome_tiff(input_dir=img_dir)
img = tf.imread(fspath(tiff_file))
library_id = list(adata.uns["spatial"].keys())[0]
adata.uns["spatial"][library_id]["images"] = {"hires": img}
adata.uns["spatial"][library_id]["scalefactors"] = {
"tissue_hires_scalef": 1.0,
"spot_diameter_fullres": 89,
}
img_for_sdata = get_img_spatialdata(img_dir)

sdata = spatialdata.SpatialData(images={'visium_fullres_img':img_for_sdata}, shapes={'visium':shapes_for_sdata}, table=table_for_sdata)

sdata.pl.render_images('visium_fullres_img').pl.render_shapes('visium', color='leiden').pl.show()
plt.savefig('spatial_scatter.pdf', bbox_inches='tight')

else:
sdata = spatialdata.SpatialData(shapes={'slideseq':shapes_for_sdata},table=table_for_sdata)

output_file_stem_dict = {Assay.VISIUM_FF:"Visium", Assay.SLIDESEQ:"Slideseq"}
output_file_stem = output_file_stem_dict[assay]
sdata.write(f'{output_file_stem}.zarr')

sq.gr.spatial_neighbors(adata)
sq.gr.nhood_enrichment(adata, cluster_key="leiden")

with new_plot():
sq.pl.spatial_scatter(adata, color="leiden")
plt.savefig("spatial_scatter.pdf", bbox_inches="tight")
# with new_plot():
# sq.pl.spatial_scatter(adata, color="leiden")
# plt.savefig("spatial_scatter.pdf", bbox_inches="tight")

with new_plot():
sq.pl.nhood_enrichment(adata, cluster_key="leiden")
Expand Down
3 changes: 1 addition & 2 deletions docker/squidpy/Dockerfile
Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
FROM ubuntu:20.04
FROM ubuntu:22.04

ENV DEBIAN_FRONTEND=noninteractive

Expand All @@ -11,7 +11,6 @@ RUN apt-get update \
flex \
git \
libfreetype6-dev \
libigraph0-dev \
libxml2-dev \
libtool \
m4 \
Expand Down
13 changes: 10 additions & 3 deletions docker/squidpy/requirements.txt
Original file line number Diff line number Diff line change
@@ -1,6 +1,13 @@
anndata==0.10.9
aicsimageio
dask==2024.12.0
manhole
squidpy
numpy==2.1.3
opencv-python
numpy==1.22.0
pandas==1.3.0
manhole~=1.8
spatialdata
spatialdata-io
spatialdata-plot
squidpy


5 changes: 5 additions & 0 deletions pipeline.cwl
Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,10 @@ outputs:
outputSource: salmon_quantification/raw_count_matrix
type: File?
label: "Unfiltered count matrix from Alevin, converted to H5AD, with intronic counts as separate columns"
sdata_zarr:
outputSource: squidpy_analysis/sdata_zarr
type: Directory?
label: "SpatialData object serialized in zarr format"
genome_build_json:
outputSource: salmon_quantification/genome_build_json
type: File
Expand Down Expand Up @@ -193,6 +197,7 @@ steps:
source: img_dir
out:
- squidpy_annotated_h5ad
- sdata_zarr
- neighborhood_enrichment_plot
- co_occurrence_plot
- interaction_matrix_plot
Expand Down
4 changes: 4 additions & 0 deletions steps/squidpy-analysis.cwl
Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,10 @@ outputs:
type: File?
outputBinding:
glob: squidpy_annotated.h5ad
sdata_zarr:
type: Directory?
outputBinding:
glob: *.zarr
neighborhood_enrichment_plot:
type: File?
outputBinding:
Expand Down