mirror of
https://github.com/Findus23/halo_comparison.git
synced 2024-09-18 14:53:49 +02:00
58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
import sys
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from pathlib import Path
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import numpy as np
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import pyvista
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import vtk
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from pandas import DataFrame
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from pyvista import Plotter
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from paths import cdm_zoom_dir, pbh_zoom_dir
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from readfiles import read_g4_file
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pyvista.set_plot_theme("dark") # "paraview"
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def plotnp3d(pl: Plotter, data: np.ndarray, color="white"):
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pdata = pyvista.PointSet(data[::, 0:3])
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# pdata.plot(point_size=1, scalars=data[::, -1], render_points_as_spheres=False, parallel_projection=True,
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# anti_aliasing=True, opacity=0.2)
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# pl.add_points(a) would be equivalent to pl.add_mesh(style="points")
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pl.add_mesh(
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pdata,
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point_size=1,
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style="points",
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opacity=0.1,
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color=color,
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# scalars=data[::, -1],
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)
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# pl.camera_position
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# pl.enable_stereo_render()
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# pl.ren_win.SetStereoTypeToSplitViewportHorizontal()
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# pl.show_grid()
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pl.enable_terrain_style()
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pl.enable_parallel_projection()
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pl.camera.zoom(2)
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renderer = pl.renderer
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basic_passes = vtk.vtkRenderStepsPass()
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blur_pass = vtk.vtkGaussianBlurPass()
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blur_pass.SetDelegatePass(basic_passes)
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glrenderer = vtk.vtkOpenGLRenderer.SafeDownCast(renderer)
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glrenderer.SetPass(blur_pass)
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if __name__ == "__main__":
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if sys.argv[1] == 'cdm':
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input_file = cdm_zoom_dir / f"snapshot_{int(sys.argv[2]):03d}.hdf5"
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elif sys.argv[1] == 'pbh':
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input_file = pbh_zoom_dir / f"snapshot_{int(sys.argv[2]):03d}.hdf5"
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else:
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raise ValueError('Please select pbh or cdm as zoom_type!')
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highres_coords, lowres_coords = read_g4_file(input_file, sys.argv[1])
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random_highres_selection = highres_coords[np.random.choice(highres_coords.shape[0], 100000, replace=False)]
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random_lowres_selection = lowres_coords[np.random.choice(lowres_coords.shape[0], 100000, replace=False)]
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pl = Plotter()
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plotnp3d(pl, random_lowres_selection)
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plotnp3d(pl, random_highres_selection)
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pl.show()
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