def test_gracon(): #setup noise_level=0.0#m/s nx=40 ny=40 fw=0.1 m_bump=10.00 t0=systime() lats=linspace(-13.5, -12.0, 40) lons=linspace(130.5, 131.5, 40) ber_loc=[-12.4, 130.85] #location of Berrimah radar gp_loc=[-12.2492, 131.0444]#location of CPOL at Gunn Point h=2.5*1000.0 print 'calculating berimah UV', systime()-t0 i_ber, j_ber, k_ber=propigation.unit_vector_grid(lats, lons, h, ber_loc) print 'calculating gp UV', systime()-t0 i_gp, j_gp, k_gp=propigation.unit_vector_grid(lats, lons, h, gp_loc) #make winds u,v=simul_winds.unif_wind(lats, lons, 10.0, 75.0) up,vp=array(simul_winds.vortex(lats, lons, [-12.5, 131.1], fw))*m_bump #make V_r measurements vr_ber=i_ber*(up+u)+j_ber*(vp+v) + (random.random([nx,ny])-0.5)*(noise_level*2.0) vr_gp=i_gp*(up+u)+j_gp*(vp+v)+ (random.random([nx,ny])-0.5)*(noise_level*2.0) #try to reconstruct the wind field igu, igv= simul_winds.unif_wind(lats, lons, 0.0, 90.0) gv_u=zeros(u.shape) gv_v=zeros(v.shape) f=0.0 print igu.mean() angs=array(propigation.make_lobe_grid(ber_loc, gp_loc, lats,lons)) wts=zeros(angs.shape, dtype=float)+1.0 #for i in range(angs.shape[0]): # for j in range(angs.shape[1]): # if (angs[i,j] < 150.0) and (angs[i,j] > 30.0): wts[i,j]=1.0 print 'Into fortran' gv_u,gv_v,f,u_array,v_array = gracon_vel2d.gracon_vel2d(gv_u,gv_v,f,igu,igv,i_ber,j_ber,i_gp,j_gp,vr_ber,vr_gp,wts, nx=nx,ny=ny) print u_array.mean() print f bnds=[0.,20.] f=figure() mapobj=pres.generate_darwin_plot() pres.quiver_contour_winds(mapobj, lats, lons, (up+u),(vp+v), bounds=bnds) savefig(os.getenv('HOME')+'/bom_mds/output/orig_winds_clean.png') close(f) f=figure() mapobj=pres.generate_darwin_plot() pres.quiver_contour_winds(mapobj, lats, lons, (wts*u_array +0.001),(wts*v_array +0.001), bounds=bnds) savefig(os.getenv('HOME')+'/bom_mds/output/recon_winds_clean.png') close(f) f=figure() mapobj=pres.generate_darwin_plot() pres.quiver_contour_winds(mapobj, lats, lons, (wts*u_array - (up+u)),(wts*v_array -(vp+v))) savefig(os.getenv('HOME')+'/bom_mds/output/errors_clean.png') close(f)
def test_radar_view(): lats=linspace(-13.0, -11.5, 40) lons=linspace(130., 132., 40) ber_loc=[-12.4, 130.85] #location of Berrimah radar gp_loc=[-12.2492, 131.0444]#location of CPOL at Gunn Point h=2.5*1000.0 t0=systime() i_a, j_a, k_a=propigation.unit_vector_grid(lats, lons, h, gp_loc) print "unit_vector_compute took ", systime()-t0, " seconds" fw=0.1#degrees m_bump=5.0 #b1=simul_winds.speed_bump(lats, lons, [-12.0, 131.0], fw)*m_bump #b2=-1.0*simul_winds.speed_bump(lats, lons, [-12.0, 131.1], fw)*m_bump u,v=simul_winds.unif_wind(lats, lons, 5.0, 75.0) up,vp=array(simul_winds.vortex(lats, lons, [-12.5, 131.1], fw))*m_bump #up=u+(b1-b2) #vp=v-(b1-b2) w=v*0.0 v_r=i_a*(up+u)+j_a*(vp+v)+k_a*w f=figure() mapobj=pres.generate_darwin_plot() pres.contour_vr(mapobj,lats, lons, v_r) savefig(os.getenv('HOME')+'/bom_mds/output/test_radar_view_gp.png') close(f) f=figure() mapobj=pres.generate_darwin_plot() pres.quiver_contour_winds(mapobj, lats, lons, (up+u),(vp+v)) savefig(os.getenv('HOME')+'/bom_mds/output/test_pert2.png') close(f)
def test_angle_grid2(): lats=linspace(-13.0, -11.5, 100) lons=linspace(130., 132., 100) ber_loc=[-12.4, 130.85] #location of Berrimah radar gp_loc=[-12.2492, 131.0444]#location of CPOL at Gunn Point h=10.0*1000.0 t0=systime() i_a, j_a, k_a=propigation.unit_vector_grid(lats, lons, h, ber_loc) print "compute took ", systime()-t0, " seconds" f=figure() mapobj=pres.generate_darwin_plot() pres.contour_comp(mapobj,lats, lons, k_a) savefig(os.getenv('HOME')+'/bom_mds/output/test_angs.png') close(f)