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halo_comparison/threed.py

62 lines
1.8 KiB
Python

import sys
from pathlib import Path
import pandas as pd
import pyvista
import vtk
from pandas import DataFrame
from pyvista import Plotter
from paths import base_dir
from readfiles import read_file, read_halo_file
pyvista.set_plot_theme("dark") # "paraview"
def plotdf3d(pl: Plotter, df: DataFrame, color="white"):
data = df_to_coords(df)
pdata = pyvista.PointSet(data[::, 0:3])
# pdata.plot(point_size=1, scalars=data[::, -1], render_points_as_spheres=False, parallel_projection=True,
# anti_aliasing=True, opacity=0.2)
# pl.add_points(a) would be equivalent to pl.add_mesh(style="points")
pl.add_mesh(
pdata,
point_size=1,
style="points",
opacity=0.1,
color=color,
# scalars=data[::, -1],
)
# pl.camera_position
# pl.enable_stereo_render()
# pl.ren_win.SetStereoTypeToSplitViewportHorizontal()
# pl.show_grid()
pl.enable_terrain_style()
pl.enable_parallel_projection()
pl.camera.zoom(2)
renderer = pl.renderer
basic_passes = vtk.vtkRenderStepsPass()
blur_pass = vtk.vtkGaussianBlurPass()
blur_pass.SetDelegatePass(basic_passes)
glrenderer = vtk.vtkOpenGLRenderer.SafeDownCast(renderer)
glrenderer.SetPass(blur_pass)
def df_to_coords(df: pd.DataFrame):
return df[["X", "Y", "Z"]].to_numpy()
if __name__ == "__main__":
# HALO = 1
# reference_dir = base_dir / "shannon_512_100"
# df, _ = read_file(reference_dir / "output_0004.hdf5")
# df_halo = read_halo_file(reference_dir / "fof_output_0004.hdf5").loc[HALO]
# df = df.loc[df["FOFGroupIDs"] == HALO]
# df.to_csv("halo.csv")
input_file = Path(sys.argv[1])
df, _ = read_file(input_file)
pl = Plotter()
plotdf3d(pl, df)
# pl.set_focus((df_halo.X,df_halo.Y,df_halo.Z))
pl.show()