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August 29, 2015 14:09
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A demo of how to plot AMRClaw output using yt (yt-project).
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import yt | |
from clawpack.pyclaw import Solution | |
import numpy as np | |
import matplotlib.pyplot as plt | |
from mpl_toolkits.mplot3d.art3d import Poly3DCollection | |
for frame in range(8): | |
sol = Solution(frame,path='_hdf_output',file_format='hdf') | |
grid_data = [] | |
for state in sorted(sol.states, key = lambda a: a.patch.level): | |
patch = state.patch | |
d = { | |
'left_edge': patch.lower_global, | |
'right_edge': patch.upper_global, | |
'level': patch.level, | |
'dimensions': patch.num_cells_global, | |
'q': state.q[0,...], | |
'number_of_particles': 0, | |
} | |
grid_data.append(d) | |
ds = yt.load_amr_grids(grid_data, sol.patch.num_cells_global) | |
slc = yt.SlicePlot(ds, 'x', "q") | |
slc.set_log('q',False) | |
slc.set_cmap('q', 'Reds') | |
prj = yt.ProjectionPlot(ds,'x','q') | |
prj.set_log('q',False) | |
slc.save('slice_frame_'+str(frame).zfill(4)+'.png') | |
prj.save('proj_frame_'+str(frame).zfill(4)+'.png') | |
ad = ds.all_data() | |
surface = ds.h.surface(ad,"q",0.2) | |
p3dc = Poly3DCollection(surface.triangles, linewidth=0)#, linewidth=0.1,alpha=0.9) | |
colors = yt.apply_colormap((surface["q"]), cmap_name="hot") | |
p3dc.set_facecolors(colors[0,:,:]/255.) | |
fig = plt.figure(figsize=(12,12)) | |
ax = fig.gca(projection='3d') | |
ax.add_collection(p3dc) | |
fig.savefig('iso_frame_'+str(frame).zfill(4)+'.png') |
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