Example #1
0
def radar_to_cappi(radar1_filename, radar2_filename,**kwargs):
	ini_fname=kwargs.get('ini_fname', os.getenv('HOME')+'/bom_mds/bom_mds.ini')
	loud=kwargs.get('loud', False)
	ini_dict=parse_ini.parse_ini(ini_fname)
	if loud: print "Loading radar file 1"
	if 'radar1_path' in ini_dict.keys():
		radar1=read_radar.load_radar(ini_dict['radar1_path']+radar1_filename)
	else:
		radar1=pyradar.load_radar(radar1_filename)
	if loud: print "Loading radar file 2"
	if 'radar2_path' in ini_dict.keys():
		radar2=read_radar.load_radar(ini_dict['radar2_path']+radar2_filename)
	else:
		radar2=pyradar.load_radar(radar2_filename)
	cappi_z_bounds=ini_dict.get('cappi_z_bounds', [500,15000])
	cappi_xy_bounds=ini_dict.get('cappi_xy_bounds', [-50000, 50000])
	cappi_resolution=ini_dict.get('cappi_resolution', [100, 40])
	levs=linspace(cappi_z_bounds[0], cappi_z_bounds[1], cappi_resolution[1])
	xar=linspace(cappi_xy_bounds[0], cappi_xy_bounds[1], cappi_resolution[0])
	yar=linspace(cappi_xy_bounds[0], cappi_xy_bounds[1], cappi_resolution[0])
	displace=mathematics.corner_to_point(radar1[0]['radar_loc'], radar2[0]['radar_loc'])
	if loud: print "Cappi-ing radar 1"
	radar1_cube=radar_to_cart.make_cube(radar1, xar, yar, levs)
	if loud: print "Cappi-ing radar 2"
	radar2_cube=radar_to_cart.make_cube(radar2, xar, yar, levs, displacement=displace)
	cube_fname=ini_dict['cube_path']+'cappi_'+std_datestr(radar1_cube['date'])+'.nc'
	netcdf_utis.save_data_cube(radar1_cube, radar2_cube, cube_fname)
Example #2
0
def radar_to_winds(datestr, **kwargs):
	#check to see if we have the radar files
	#check to see if there are deailased files
	#kwargs={}
	loud=kwargs.get('loud', False)
	
	#datestr='200601220700'
	ini_fname=kwargs.get('ini_fname', os.getenv('HOME')+'/bom_mds/bom_mds.ini')
	
	dateobj=num2date(datestr2num(datestr))
	ini_fname=kwargs.get('ini_fname', os.getenv('HOME')+'/bom_mds/bom_mds.ini')
	ini_dict=parse_ini.parse_ini(ini_fname)
	radar1_deal_list=os.listdir(ini_dict['radar1_path'])
	radar2_deal_list=os.listdir(ini_dict['radar2_path'])
	radar1_raw_list=os.listdir(ini_dict['radar1_raw_path'])
	radar2_raw_list=os.listdir(ini_dict['radar2_raw_path'])
	
	radar1_target=ini_dict['radar1_prefix']+std_datestr(dateobj, ini_dict['radar1_type'])
	radar2_target=ini_dict['radar2_prefix']+std_datestr(dateobj, ini_dict['radar2_type'])
	
	poss_deal_files1=[]
	for item in radar1_deal_list:
		if radar1_target in item: poss_deal_files1.append(item)
	
	if len(poss_deal_files1)==0:
		poss_raw_files1=[]
		print "No dealiased files found... Dealiasing"
		for item in radar1_raw_list:
			if radar1_target in item: poss_raw_files1.append(item)
		if len(poss_raw_files1)==0:
			#print "no files found"
			raise IOError, 'Radar 2 File not there'
			#return
		else:
			print "Dealiasing "+poss_raw_files1[0]
			radar1_filename=dealias.dealias_arb(poss_raw_files1[0], ini_dict['radar1_type'], ini_dict['radar1_raw_path'], ini_dict['radar1_path'], ini_dict['radar1_prefix'])
	else:
		radar1_filename=poss_deal_files1[0]
	
	poss_deal_files2=[]
	for item in radar2_deal_list:
		if radar2_target in item: poss_deal_files2.append(item)
	
	if len(poss_deal_files2)==0:
		poss_raw_files2=[]
		print "No dealiased files found... Dealiasing"
		for item in radar2_raw_list:
			if radar2_target in item: poss_raw_files2.append(item)
		if len(poss_raw_files2)==0:
			#print "no files found"
			raise IOError, 'Radar 2 File not there'
		else:
			radar2_filename=dealias.dealias_arb(poss_raw_files2[0], ini_dict['radar2_type'], ini_dict['radar2_raw_path'], ini_dict['radar2_path'], ini_dict['radar2_prefix'])
	else:
		radar2_filename=poss_deal_files2[0]
	
	if loud: print "Loading radar file 1"
	
	if 'radar1_path' in ini_dict.keys():
		radar1=read_radar.load_radar(ini_dict['radar1_path']+radar1_filename)
	else:
		radar1=read_radar.load_radar(radar1_filename)
	
	if loud: print "Loading radar file 2"
	
	if 'radar2_path' in ini_dict.keys():
		radar2=read_radar.load_radar(ini_dict['radar2_path']+radar2_filename)
	else:
		radar2=read_radar.load_radar(radar2_filename)
	pres.plot_ppi(radar2[2],'VE', fig_path='/scratch/bom_mds_dumps/', fig_name='radar2_ve.png')
	pres.plot_ppi(radar2[2],'CZ', fig_path='/scratch/bom_mds_dumps/', fig_name='radar2_cz.png')
	cappi_z_bounds=ini_dict.get('cappi_z_bounds', [500,15000])
	cappi_xy_bounds=ini_dict.get('cappi_xy_bounds', [-50000, 50000])
	cappi_resolution=ini_dict.get('cappi_resolution', [100, 40])
	levs=linspace(cappi_z_bounds[0], cappi_z_bounds[1], cappi_resolution[1])
	xar=linspace(cappi_xy_bounds[0], cappi_xy_bounds[1], cappi_resolution[0])
	yar=linspace(cappi_xy_bounds[0], cappi_xy_bounds[1], cappi_resolution[0])
	displace=mathematics.corner_to_point(radar1[0]['radar_loc'], radar2[0]['radar_loc'])
	if loud: print "Cappi-ing radar 1"
	
	#radar1_cube_=radar_to_cart.make_cube(radar1, xar, yar, levs)
	radar1_cube=cappi_v2.make_cube_all(radar1,xar, yar,levs)
	#max_el=array([scan['Elev'][0] for scan in radar1]).max()
	#radar1_cube=cappi_v2.blend(radar1_cube_v,radar1_cube_h, max_el,loud=True)
	
	if loud: print "Cappi-ing radar 2"
	
	#radar2_cube_v=radar_to_cart.make_cube(radar2, xar, yar, levs, displacement=displace)
	radar2_cube=cappi_v2.make_cube_all(radar2,xar, yar,levs, displacement=displace)
	#max_el=array([scan['Elev'][0] for scan in radar2]).max()
	#radar2_cube=cappi_v2.blend(radar2_cube_v,radar2_cube_h, max_el,loud=True)
	#radar2_cube_v=radar_to_cart.make_cube(radar2, xar, yar, levs, displacement=displace)
	cube_fname=ini_dict['cube_path']+'cappi_'+std_datestr(radar1_cube['date'], "uf")+'.nc'
	#netcdf_utis.save_data_cube(radar1_cube, radar2_cube, cube_fname)
	
	#Initial Guess
	req=[ 'alt(m)',  'wspd(m/s)',  'wdir(degs)', 'tdry(degs)','press(hPa)' ]
	first_sonde,second_sonde = read_sounding.get_two_best_conc_sondes(datestr, req_vars=req)
	interp_sonde=read_sounding.interp_sonde_time(first_sonde, second_sonde, dateobj, levs)
		
	if ini_dict['initial_guess']=='sonde':
		#using a sonde for out initial gues
		u_ig=ones(radar1_cube['CZ'].shape, dtype=float)
		v_ig=ones(radar1_cube['CZ'].shape, dtype=float)
		w_ig=zeros(radar1_cube['CZ'].shape, dtype=float)
		for k in range(len(levs)):
			u_ig[:,:,k]=1.0*u_ig[:,:,k]*interp_sonde['wspd(m/s)'][k]*sin(pi*interp_sonde['wdir(degs)'][k]/180.0)
			v_ig[:,:,k]=1.0*v_ig[:,:,k]*interp_sonde['wspd(m/s)'][k]*cos(pi*interp_sonde['wdir(degs)'][k]/180.0)
	else:
		u_ig=zeros(radar1_cube['CZ'].shape, dtype=float)
		v_ig=zeros(radar1_cube['CZ'].shape, dtype=float)
		w_ig=zeros(radar1_cube['CZ'].shape, dtype=float)
	
	Re=6371.0*1000.0
	rad_at_radar=Re*sin(pi/2.0 -abs(radar1[0]['radar_loc'][0]*pi/180.0))#ax_radius(float(lat_cpol), units='degrees')
	lons=radar1[0]['radar_loc'][1]+360.0*xar/(rad_at_radar*2.0*pi)
	lats=radar1[0]['radar_loc'][0] + 360.0*yar/(Re*2.0*pi)	
	#Masking
	angs=array(propigation.make_lobe_grid(radar2[0]['radar_loc'], radar1[0]['radar_loc'], lats,lons))
	mywts=met.make_mask_bad1(radar2_cube, radar1_cube, angs, 1.0, 80.0)
	
	print "Mean gp masked Velocity ", (radar1_cube['VE']*mywts).mean()
	print "min gp masked Velocity ", (radar1_cube['VE']*mywts).min()
	print "max gp masked Velocity ", (radar1_cube['VE']*mywts).max()
	print "Mean Berrimah masked Velocity ", (radar2_cube['VE']*mywts).mean()
	print "min Berrimah masked Velocity ", (radar2_cube['VE']*mywts).min()
	print "max Berrimah masked Velocity ", (radar2_cube['VE']*mywts).max()
	print "Mean gp masked CZ ", (radar1_cube['CZ']*mywts).mean()
	print "min gp masked CZ ", (radar1_cube['CZ']*mywts).min()
	print "max gp masked CZ ", (radar1_cube['CZ']*mywts).max()
	print "Mean Berrimah masked CZ ", (radar2_cube['CZ']*mywts).mean()
	print "min Berrimah masked CZ ", (radar2_cube['CZ']*mywts).min()
	print "max Berrimah masked CZ ", (radar2_cube['CZ']*mywts).max()
	print "Number of masked points", (mywts.shape[0]*mywts.shape[1]*mywts.shape[2])-mywts.sum()
	print "Number of unmasked points ", mywts.sum()
	print "**********************FALLSPEED INFO****************************"
	#def terminal_velocity(refl, temps, levs, display=False):
	tdry=interp_sonde['tdry(degs)']
	pressure=interp_sonde['press(hPa)']
	dummy=met.terminal_velocity(radar1_cube['CZ']*mywts, tdry, radar1_cube['levs'], display=True)
	print "**********************FALLSPEED INFO****************************"
	f=0.0
	X=[u_ig,v_ig,w_ig]
	G,F,X=grad_conj_solver_3d.gracon_3d_packaged(X ,radar2_cube, radar1_cube, mywts, interp_sonde)
	u_array,v_array,w_array=X 
	radar1_cube.update({'u_array':u_array, 'v_array':v_array, 'w_array':w_array})
	netcdf_utis.save_data_cube(radar1_cube, radar2_cube,  '/data/cube_data/'+std_datestr(dateobj, "uf") +'_winds.nc')
Example #3
0
            if radar2_target in item: poss_raw_files2.append(item)
        if len(poss_raw_files2)==0:
            #print "no files found"
            raise IOError, 'Radar 2 File not there'
        else:
            radar2_filename=dealias.dealias_arb(poss_raw_files2[0], ini_dict['radar2_type'], ini_dict['radar2_raw_path'], ini_dict['radar2_path'], ini_dict['radar2_prefix'])
    else:
        radar2_filename=poss_deal_files2[0]



if loud: print "Loading radar file 1"

	
if 'radar1_path' in ini_dict.keys():
    radar1=read_radar.load_radar(ini_dict['radar1_path']+radar1_filename)
else:
    radar1=read_radar.load_radar(radar1_filename)


if loud: print "Loading radar file 2"

	
if 'radar2_path' in ini_dict.keys():
    radar2=read_radar.load_radar(ini_dict['radar2_path']+radar2_filename)
else:
    radar2=read_radar.load_radar(radar2_filename)



	pres.plot_ppi(radar2[2],'VE', fig_path='/scratch/bom_mds_dumps/', fig_name='radar2_ve.png')