# Pastebin

## Paste #4946: RAMSES comparisons

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### Pasted by Andreas Ellewsen

from params import * import matplotlib matplotlib.use('Agg') from matplotlib import pyplot as plt from mpl_toolkits.axes_grid1 import AxesGrid import numpy as np import yt from yt.units.yt_array import YTQuantity from functions import * """ The datapath,numhalos,halos,halolist,sourcelist, etc are defined in the params file. I've also made my own function file which uses the yt functions and adds the units I want and so on but I've stripped away that part here. There's also a ton of numpy arrays for different stuff, so just assume the proj_plot_halo_plot[l,i,j,k] actually exist. """ for l,simpath in enumerate(datapath): ts = yt.load(simpath) for i,index in enumerate(sourcelist): ds = ts[index-1] for j in range(numhalos): curr_halo = halolist[l][j] cen = halos[l][curr_halo] #Center of current halo rad = haloradius[l][curr_halo] wid = 2.*rad # diameter of current halo if ('ramses', 'Density') in ds.field_list: #Check for gas density in sim #Make the cube around the halo left_edge = cen - wid #A bit larger than the halo but we want that right_edge = cen + wid #A bit larger than the halo but we want that cube = ds.region(cen, left_edge, right_edge, fields=None, ds=ds, field_parameters=None, data_source=None) #Make projection through cube along each axis for k,dim in enumerate(['x','y','z']): fieldtype = 'gas' field = 'density' proj_plot_halo_plot[l,i,j,k] =yt.ProjectionPlot(ds, dim, (fieldtype,field), center=cen, width=wid, data_source=cube) #proj_plot_halo_plot[l,i,j,k] =yt.ProjectionPlot(ds, dim, (fieldtype,field), center=cen, width=wid) #No difference between this and above. #radial density profile sph = ds.sphere(cen, 1.*rad) fieldtype = 'gas' field = 'density' weight = None prof_density_halo_plot[l,i,j] = yt.create_profile(sph,'radius',(fieldtype,field),weight_field=weight) prof_density_halo_plot_specs[l,i,j] = dict(linewidth=2, alpha=0.7) prof_density_halo_plot_labels[l,i,j] = 'Halo #%d'%curr_halo """After this there's some code where I combine the plots into a larger figure to compare them but that's not important."""

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