print 'Running ...'
#instantiate the components:
fr = FlowRouter(mg)
sp = SPEroder(mg, input_file)
vid = VideoPlotter(mg, data_centering='node')
time_on = time()
#perform the loops:
for i in xrange(nt):
print 'loop ', i
mg['node']['planet_surface__elevation'][mg.core_nodes] += uplift_per_step
mg = fr.route_flow(grid=mg)
mg = sp.erode(mg)
#vid.add_frame(mg, 'planet_surface__elevation')
vid.add_frame(mg, mg.hillshade(alt=15.), cmap='gray')
print 'Completed the simulation. Plotting...'
time_off = time()
#Finalize and plot
elev = mg['node']['planet_surface__elevation']
#imshow.imshow_node_grid(mg, elev)
print('Done.')
print 'Time: ', time_off-time_on
#pylab.show()
#reinstantiate the components with the new grid
fr = FlowRouter(mg)
sp = StreamPowerEroder(mg, './drive_sp_params.txt')
fsp = Fsc(mg, './drive_sp_params.txt')
#load the Fastscape module too, to allow direct comparison
fsp = Fsc(mg, './drive_sp_params.txt')
vid = VideoPlotter(mg, data_centering='node', step=2.5)
#perturb:
time_to_run = 50.
dt=0.5
elapsed_time = 0. #total time in simulation
while elapsed_time < time_to_run:
print(elapsed_time)
vid.add_frame(mg, 'topographic__elevation', elapsed_time)
if elapsed_time+dt>time_to_run:
print("Short step!")
dt = time_to_run - elapsed_time
mg = fr.route_flow()
#print 'Area: ', numpy.max(mg.at_node['drainage_area'])
mg = fsp.erode(mg)
#mg,_,_ = sp.erode(mg, dt, node_drainage_areas='drainage_area', slopes_at_nodes='topographic__steepest_slope')
#plot long profiles along channels
if numpy.allclose(elapsed_time%1.,0.) or numpy.allclose(elapsed_time%1.,1.):
pylab.figure("long_profiles")
profile_IDs = prf.channel_nodes(mg, mg.at_node['topographic__steepest_slope'],
mg.at_node['drainage_area'], mg.at_node['flow_receiver'])
dists_upstr = prf.get_distances_upstream(mg, len(mg.at_node['topographic__steepest_slope']),
profile_IDs, mg.at_node['links_to_flow_receiver'])
print("Running ...")
# instantiate the components:
fr = FlowRouter(mg)
sp = SPEroder(mg, input_file)
vid = VideoPlotter(mg, data_centering="node")
time_on = time()
# perform the loops:
for i in xrange(nt):
print("loop ", i)
mg["node"]["topographic__elevation"][mg.core_nodes] += uplift_per_step
mg = fr.route_flow()
mg = sp.erode(mg)
# vid.add_frame(mg, 'topographic__elevation')
vid.add_frame(mg, mg.hillshade(alt=15.0), cmap="gray")
print("Completed the simulation. Plotting...")
time_off = time()
# Finalize and plot
elev = mg["node"]["topographic__elevation"]
# imshow.imshow_node_grid(mg, elev)
print("Done.")
print("Time: ", time_off - time_on)
# pylab.show()
print 'Running ...'
#instantiate the components:
fr = FlowRouter(mg)
sp = SPEroder(mg, input_file)
vid = VideoPlotter(mg, data_centering='node')
time_on = time()
#perform the loops:
for i in xrange(nt):
print 'loop ', i
mg['node']['topographic_elevation'][mg.core_nodes] += uplift_per_step
mg = fr.route_flow(grid=mg)
mg = sp.erode(mg)
#vid.add_frame(mg, 'topographic_elevation')
vid.add_frame(mg, mg.hillshade(alt=15.), cmap='gray')
print 'Completed the simulation. Plotting...'
time_off = time()
#Finalize and plot
elev = mg['node']['topographic_elevation']
#imshow.imshow_node_grid(mg, elev)
print('Done.')
print 'Time: ', time_off - time_on
#pylab.show()
#reinstantiate the components with the new grid
fr = FlowRouter(mg)
sp = StreamPowerEroder(mg, './drive_sp_params.txt')
fsp = Fsc(mg, './drive_sp_params.txt')
#load the Fastscape module too, to allow direct comparison
fsp = Fsc(mg, './drive_sp_params.txt')
vid = VideoPlotter(mg, data_centering='node', step=2.5)
#perturb:
time_to_run = 50.
dt = 0.5
elapsed_time = 0. #total time in simulation
while elapsed_time < time_to_run:
print elapsed_time
vid.add_frame(mg, 'topographic_elevation', elapsed_time)
if elapsed_time + dt > time_to_run:
print "Short step!"
dt = time_to_run - elapsed_time
mg = fr.route_flow(grid=mg)
#print 'Area: ', numpy.max(mg.at_node['drainage_area'])
mg = fsp.erode(mg)
#mg,_,_ = sp.erode(mg, dt, node_drainage_areas='drainage_area', slopes_at_nodes='steepest_slope')
#plot long profiles along channels
if numpy.allclose(elapsed_time % 1., 0.) or numpy.allclose(
elapsed_time % 1., 1.):
pylab.figure("long_profiles")
profile_IDs = prf.channel_nodes(mg, mg.at_node['steepest_slope'],
mg.at_node['drainage_area'],
mg.at_node['upstream_ID_order'],