Files
astaroth/analysis/python/astar/visual/slices.py
2020-01-13 21:38:07 +02:00

133 lines
6.5 KiB
Python

'''
Copyright (C) 2014-2020, Johannes Pekkila, Miikka Vaisala.
This file is part of Astaroth.
Astaroth is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Astaroth is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Astaroth. If not, see <http://www.gnu.org/licenses/>.
'''
import pylab as plt
import numpy as np
import matplotlib.gridspec as gridspec
import matplotlib.colors as colors
CM_INFERNO = plt.get_cmap('inferno')
def plot_3(mesh, input_grid, title = '', fname = 'default', bitmap=False,
slicetype = 'middle', colrange=None, colormap=CM_INFERNO ,
contourplot=False, points_from_centre = -1, bfieldlines=False, velfieldlines=False):
fig = plt.figure(figsize=(8, 8))
grid = gridspec.GridSpec(2, 3, wspace=0.4, hspace=0.4, width_ratios=[1,1, 0.15])
ax00 = fig.add_subplot( grid[0,0] )
ax10 = fig.add_subplot( grid[0,1] )
ax11 = fig.add_subplot( grid[1,1] )
axcbar = fig.add_subplot( grid[:,2] )
print(mesh.minfo.contents.keys())
if slicetype == 'middle':
yz_slice = input_grid[mesh.xmid, :, :]
xz_slice = input_grid[:, mesh.ymid, :]
xy_slice = input_grid[:, :, mesh.zmid]
if colrange==None:
plotnorm = colors.Normalize(vmin=input_grid.min(),vmax=input_grid.max())
else:
plotnorm = colors.Normalize(vmin=colrange[0],vmax=colrange[1])
elif slicetype == 'sum':
yz_slice = np.sum(input_grid, axis=0)
xz_slice = np.sum(input_grid, axis=1)
xy_slice = np.sum(input_grid, axis=2)
cmin = np.amin([yz_slice.min(), xz_slice.min(), xy_slice.min()])
cmax = np.amax([yz_slice.max(), xz_slice.max(), xy_slice.max()])
if colrange==None:
plotnorm = colors.Normalize(vmin=cmin,vmax=cmax)
else:
plotnorm = colors.Normalize(vmin=colrange[0],vmax=colrange[1])
if points_from_centre > 0:
yz_slice = yz_slice[int(yz_slice.shape[0]/2)-points_from_centre : int(yz_slice.shape[0]/2)+points_from_centre,
int(yz_slice.shape[1]/2)-points_from_centre : int(yz_slice.shape[1]/2)+points_from_centre]
xz_slice = xz_slice[int(xz_slice.shape[0]/2)-points_from_centre : int(xz_slice.shape[0]/2)+points_from_centre,
int(xz_slice.shape[1]/2)-points_from_centre : int(xz_slice.shape[1]/2)+points_from_centre]
xy_slice = xy_slice[int(xy_slice.shape[0]/2)-points_from_centre : int(xy_slice.shape[0]/2)+points_from_centre,
int(xy_slice.shape[1]/2)-points_from_centre : int(xy_slice.shape[1]/2)+points_from_centre]
mesh.xx = mesh.xx[int(mesh.xx.shape[0]/2)-points_from_centre : int(mesh.xx.shape[0]/2)+points_from_centre]
mesh.yy = mesh.yy[int(mesh.yy.shape[0]/2)-points_from_centre : int(mesh.yy.shape[0]/2)+points_from_centre]
mesh.zz = mesh.zz[int(mesh.zz.shape[0]/2)-points_from_centre : int(mesh.zz.shape[0]/2)+points_from_centre]
yy, zz = np.meshgrid(mesh.yy, mesh.zz, indexing='ij')
if contourplot:
map1 = ax00.contourf(yy, zz, yz_slice, norm=plotnorm, cmap=colormap, nlev=10)
else:
map1 = ax00.pcolormesh(yy, zz, yz_slice, norm=plotnorm, cmap=colormap)
ax00.set_xlabel('y')
ax00.set_ylabel('z')
ax00.set_title('%s t = %.4e' % (title, mesh.timestamp) )
ax00.set_aspect('equal')
ax00.contour(yy, zz, np.sqrt((yy-yy.max()/2.0)**2.0 + (zz-zz.max()/2.0)**2.0), [mesh.minfo.contents["AC_accretion_range"]])
xx, zz = np.meshgrid(mesh.xx, mesh.zz, indexing='ij')
if contourplot:
ax10.contourf(xx, zz, xz_slice, norm=plotnorm, cmap=colormap, nlev=10)
else:
ax10.pcolormesh(xx, zz, xz_slice, norm=plotnorm, cmap=colormap)
ax10.set_xlabel('x')
ax10.set_ylabel('z')
ax10.set_aspect('equal')
ax10.contour(xx, zz, np.sqrt((xx-xx.max()/2.0)**2.0 + (zz-zz.max()/2.0)**2.0), [mesh.minfo.contents["AC_accretion_range"]])
xx, yy = np.meshgrid(mesh.xx, mesh.yy, indexing='ij')
if contourplot:
ax11.contourf(xx, yy, xy_slice, norm=plotnorm, cmap=colormap, nlev=10)
else:
ax11.pcolormesh(xx, yy, xy_slice, norm=plotnorm, cmap=colormap)
ax11.set_xlabel('x')
ax11.set_ylabel('y')
ax11.set_aspect('equal')
ax11.contour(xx, yy, np.sqrt((xx-xx.max()/2.0)**2.0 + (yy-yy.max()/2.0)**2.0), [mesh.minfo.contents["AC_accretion_range"]])
if bfieldlines:
ax00.streamplot(mesh.yy, mesh.zz, np.mean(mesh.bb[1], axis=0), np.mean(mesh.bb[2], axis=0))
ax10.streamplot(mesh.xx, mesh.zz, np.mean(mesh.bb[0], axis=1), np.mean(mesh.bb[2], axis=1))
ax11.streamplot(mesh.xx, mesh.yy, np.mean(mesh.bb[0], axis=2), np.mean(mesh.bb[1], axis=2))
#ax00.streamplot(mesh.yy, mesh.zz, mesh.bb[1][mesh.xmid, :, :], mesh.bb[2][mesh.xmid, :, :])
#ax10.streamplot(mesh.xx, mesh.zz, mesh.bb[0][:, mesh.ymid, :], mesh.bb[2][:, mesh.ymid, :])
#ax11.streamplot(mesh.xx, mesh.yy, mesh.bb[0][:, : ,mesh.zmid], mesh.bb[1][:, :, mesh.zmid])
#ax00.quiver(mesh.bb[2][mesh.xmid, ::10, ::10], mesh.bb[1][mesh.xmid, ::10, ::10], pivot='middle')
#ax10.quiver(mesh.bb[2][::10, mesh.ymid, ::10], mesh.bb[0][::10, mesh.ymid, ::10], pivot='middle')
#ax11.quiver(mesh.bb[1][::10, ::10, mesh.zmid], mesh.bb[0][::10, ::10, mesh.zmid], pivot='middle')
#ax00.quiver(mesh.yy, mesh.zz, mesh.bb[2][mesh.xmid, :, :], mesh.bb[1][mesh.xmid, :, :], pivot='middle')
#ax10.quiver(mesh.xx, mesh.zz, mesh.bb[2][:, mesh.ymid, :], mesh.bb[0][:, mesh.ymid, :], pivot='middle')
#ax11.quiver(mesh.xx, mesh.yy, mesh.bb[1][:, :, mesh.zmid], mesh.bb[0][:, :, mesh.zmid], pivot='middle')
if velfieldlines:
ax00.streamplot(mesh.yy, mesh.zz, mesh.uu[2][mesh.xmid, :, :], mesh.uu[1][mesh.xmid, :, :])
ax10.streamplot(mesh.xx, mesh.zz, mesh.uu[2][:, mesh.ymid, :], mesh.uu[0][:, mesh.ymid, :])
ax11.streamplot(mesh.xx, mesh.yy, mesh.uu[1][:, :, mesh.zmid], mesh.uu[0][:, : ,mesh.zmid])
cbar = plt.colorbar(map1, cax=axcbar)
if bitmap:
plt.savefig('%s_%s.png' % (fname, mesh.framenum))
print('Saved %s_%s.png' % (fname, mesh.framenum))
plt.close(fig)