import boltzgas.visualizer from boltzgas import HardSphereSetup, HardSphereSimulation from boltzgas.initial_condition import grid_of_random_velocity_particles from boltzgas.visual import VelocityHistogram, WireBox dimension = 2 grid_width = 30 radius = 0.002 char_u = 1120 position, velocity = grid_of_random_velocity_particles(dimension, grid_width, radius, char_u) velocity[:,:] = 0 velocity[0,0] = 5*char_u velocity[0,1] = 4*char_u if dimension == 3: velocity[0,2] = 3*char_u config = HardSphereSetup(radius, char_u, position, velocity) gas = HardSphereSimulation(config, opengl = True, t_scale = 0.5) histogram = VelocityHistogram(gas, [1.1,0], [1,1]) instruments = [ WireBox(0,1,0,1,0,dimension == 3 if 1 else 0), histogram ] boltzgas.visualizer.simulate(config, gas, instruments)