Source code overview

Here is a brief and outdated description of various files making up the code:

Filename	Description
allocate.f90	allocates memory for main arrays
calc_quantities.f90	calculates additional quantities from particle data
colours.f90	colour schemes for rendering
colourparts.f90	colours particles
defaults.f90	writes/reads default options to/from file
exact.f90	module handling exact solution settings
exact_densityprofiles.f90	various \(N-\)body density profiles
exact_fromfile.f90	reads an exact solution tabulated in a file
exact_mhdshock.f90	some tabulated solutions for mhd shocks
exact_polytrope.f90	exact solution for a polytrope
exact_rhoh.f90	exact relation between density and smoothing length
exact_sedov.f90	exact solution for sedov blast wave
exact_shock.f90	exact solution for hydrodynamic shocks
exact_wave.f90	exact solution for a propagating sine wave
exact_toystar.f90	exact solution for the toy star problem
exact_toystar2D.f90	exact solution for the 2D toy star problem
get_data.f90	wrapper for main data read
geometry.f90	module handling different coordinate systems
globaldata.f90	various modules containing “global” variables
interactive.f90	drives interactive mode
interpolate1D.f90	interpolation of 1D SPH data to grid using kernel
interpolate2D.f90	interpolation of 2D SPH data to grid
interpolate3D_xsec.f90	3D cross section interpolations
interpolate3D_projection.f90	3D interpolation integrated through domain
legends.f90	plots (time) legend on plot
limits.f90	sets initial plot limits and writes to/reads from limits file
menu.f90	main menu
options_data.f90	sets options relating to current data
options_limits.f90	sets options relating to plot limits
options_page.f90	sets options relating to page setup
options_particleplots.f90	sets options relating to particle plots
options_powerspec.f90	sets options for power spectrum plotting
options_render.f90	sets options for render plots
options_vector.f90	sets options for vector plots
options_xsecrotate.f90	sets options for cross sections and rotation
particleplot.f90	subroutines for particle plotting
plotstep.f90	main “backbone” of the code which drives plotting of a single timestep
read_data_dansph.f90	reads data from my format of data files
read_data_mbate.f90	reads data from Matthew Bate’s format of data files
read_data_xxx.f90	reads data from …
render.f90	takes array of pixels and plots render map/contours etc
rotate.f90	subroutines controlling rotation of particles
setpage.f90	sets up the PGPLOT page (replaces call to PGENV/PGLAB)
splash.f90	main program, handles startup/ command line reading
timestepping.f90	controls stepping through timesteps
titles.f90	reads a list of titles to be used to label each timestep
transform.f90	applies various transformations to data (log10, 1/x, etc)