Analysis¶
pysac.analysis Module¶
General routines for the analysis of HD and MHD simulations run with SAC
Functions¶
| get_wave_flux(f, pk) | Calculate the wave energy flux from a SACData instance and the kinetic pressure |
| get_wave_flux_yt(ds[, B_to_SI, V_to_SI, ...]) | Calculate the wave energy flux from a yt dataset. |
pysac.analysis.tube3D.tvtk_tube_functions Module¶
This submodule provides routines to generate and analyse “Flux Surfaces” as described in (Mumford et. al. 2014). Flux Surfaces are created by the tracing of a closed loop of fieldlines, from which a surface is reconstructed by creating polygons between the pesudo parallel streamlines.
Functions¶
| move_seeds(seeds, vfield, dt) | Move a list of seeds based on a velocity field. |
| make_circle_seeds(n, r, **domain) | Generate an array of n seeds evenly spaced in a circle at radius r. |
| create_flux_surface(bfield, surf_seeds) | Create a flux surface from an array of seeds and a tvtk vector field. |
| update_flux_surface(surf_seeds, ...) | Update the flux surface streamlines and surface. |
| make_poly_norms(poly_data) | Extract the normal vectors from a PolyData instance (A surface). |
| norms_sanity_check(poly_norms) | Check that the normals are pointing radially outwards. |
| get_surface_vectors(poly_norms, surf_bfield) | Calculate the vector normal, vertically parallel and Azimuthally around |
| interpolate_scalars(image_data, poly_data) | Interpolate a imagedata scalars to a set points in polydata |
| interpolate_vectors(image_data, poly_data) | Interpolate a imagedata vectors to a set points in polydata |
| update_interpolated_vectors(poly_data, ...) | |
| update_interpolated_scalars(poly_data, ...) | |
| get_surface_velocity_comp(...) | |
| get_the_line(bfield, surf_seeds, n) | Generate the vertical line on the surface |
| update_the_line(the_line, surf_seeds, seed, ...) | Updates the TD line at each time step, while making sure the length is fixed |
| get_surface_indexes(surf_poly, the_line) | |
| write_step(file_name, surface, normals, ...) | Write out the surface vectors and velocity compnents. |
| write_flux(file_name, surface, ...) | |
| write_wave_flux(file_name, surface_poly, ...) | |
| read_step(filename) | Read back in a saved surface file |
| get_data(poly_out, name) |
Classes¶
| PolyDataWriter(filename, polydata) | This class allows you to write tvtk polydata objects to a file, with as many or as few associated PointData arrays as you wish. |
Class Inheritance Diagram¶
pysac.analysis.tube3D.process_utils Module¶
This module contains routines to convert from SACData and yt DataSets into tvtk fields via mayavi.
Functions¶
| get_sacdata_mlab(f, cube_slice[, flux]) | Reads in useful variables from a hdf5 file to vtk data structures |
| get_yt_mlab(ds, cube_slice[, flux]) | Reads in useful variables from yt to vtk data structures, converts into SI units before return. |
| process_next_step_yt(ds, cube_slice, bfield, ...) | Update all mayavi sources using a yt dataset, in SI units. |
| process_next_step_sacdata(f, cube_slice, ...) | Update all mayavi sources using a SACData instance |
| yt_to_mlab_vector(ds, xkey, ykey, zkey[, ...]) | Convert three yt keys to a mlab vector field :Parameters: ds : yt dataset The dataset to get the data from. |