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Can now filter render_points using groups #154

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timtreis wants to merge 2 commits into from
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Can now filter render_points using groups #154

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5ec23c2
mvp
timtreis Sep 4, 2023
0313cc3
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Sep 4, 2023
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13 changes: 12 additions & 1 deletion src/spatialdata_plot/pl/render.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@
from copy import copy
from typing import Union

import dask
import geopandas as gpd
import matplotlib
import numpy as np
Expand All @@ -18,6 +19,7 @@
from spatialdata.models import (
Image2DModel,
Labels2DModel,
PointsModel,
)

from spatialdata_plot._logging import logger
Expand Down Expand Up @@ -155,6 +157,10 @@ def _render_points(
scalebar_params: ScalebarParams,
legend_params: LegendParams,
) -> None:
if isinstance(render_params.groups, str):
render_params.groups = [render_params.groups]
if not all(isinstance(g, str) for g in render_params.groups):
raise TypeError("All groups must be strings.")
elements = render_params.elements

sdata_filt = sdata.filter_by_coordinate_system(
Expand All @@ -173,6 +179,12 @@ def _render_points(
if render_params.color is not None:
color = [render_params.color] if isinstance(render_params.color, str) else render_params.color
coords.extend(color)
points = points[coords].compute()
points[color[0]].cat.set_categories(render_params.groups, inplace=True)
points = points[points[color].isin(render_params.groups).values]

points = dask.dataframe.from_pandas(points, npartitions=1)
sdata_filt.points[e] = PointsModel.parse(points)

point_df = points[coords].compute()

Expand All @@ -190,7 +202,6 @@ def _render_points(
key=render_params.color,
palette=render_params.palette,
)
# print(p)
color_source_vector, color_vector, _ = _set_color_source_vec(
sdata=sdata_filt,
element=points,
Expand Down