def plot_header(fname, ff, iod_line): # ppgplot arrays heat_l = np.array([0.0, 0.2, 0.4, 0.6, 1.0]) heat_r = np.array([0.0, 0.5, 1.0, 1.0, 1.0]) heat_g = np.array([0.0, 0.0, 0.5, 1.0, 1.0]) heat_b = np.array([0.0, 0.0, 0.0, 0.3, 1.0]) # Plot ppg.pgopen(fname) ppg.pgpap(0.0, 1.0) ppg.pgsvp(0.1, 0.95, 0.1, 0.8) ppg.pgsch(0.8) ppg.pgmtxt("T", 6.0, 0.0, 0.0, "UT Date: %.23s COSPAR ID: %04d" % (ff.nfd, ff.site_id)) if is_calibrated(ff): ppg.pgsci(1) else: ppg.pgsci(2) ppg.pgmtxt( "T", 4.8, 0.0, 0.0, "R.A.: %10.5f (%4.1f'') Decl.: %10.5f (%4.1f'')" % (ff.crval[0], 3600.0 * ff.crres[0], ff.crval[1], 3600.0 * ff.crres[1])) ppg.pgsci(1) ppg.pgmtxt("T", 3.6, 0.0, 0.0, ("FoV: %.2f\\(2218)x%.2f\\(2218) " "Scale: %.2f''x%.2f'' pix\\u-1\\d") % (ff.wx, ff.wy, 3600.0 * ff.sx, 3600.0 * ff.sy)) ppg.pgmtxt( "T", 2.4, 0.0, 0.0, "Stat: %5.1f+-%.1f (%.1f-%.1f)" % (np.mean(ff.zmax), np.std(ff.zmax), ff.zmaxmin, ff.zmaxmax)) ppg.pgmtxt("T", 0.3, 0.0, 0.0, iod_line) ppg.pgsch(1.0) ppg.pgwnad(0.0, ff.nx, 0.0, ff.ny) ppg.pglab("x (pix)", "y (pix)", " ") ppg.pgctab(heat_l, heat_r, heat_g, heat_b, 5, 1.0, 0.5)
def addInfo(showStats, values, label, xPosition, yPosition): if showStats: # Compute mean and standard deviation of yaxis values mean = values.mean() std = values.std() print " " + label + ":" + " mean = %.5f" % mean + "\t std = %.5f" % std ppgplot.pgmtxt("T", yPosition, xPosition, 0.5, label)
def addInfo(showStats, values, label, xPosition, yPosition): if showStats: # Compute mean and standard deviation of yaxis values mean = values.mean() std = values.std() print " " + label + ":" + " mean = %.5f" % mean + "\t std = %.5f" % std ppgplot.pgmtxt('T', yPosition, xPosition, 0.5, label)
def plotdVdz(): nv = 3. nr = 1. ppgplot.pgbeg("dVdz.ps/vcps", 1, 1) #color port. ppgplot.pgpap(8., 1.25) ppgplot.pgpage ppgplot.pgsch(1.2) #font size ppgplot.pgslw(3) #line width # 1st panel with symbols w/ stddev errorbars x1 = .15 x2 = .45 x3 = .6 x4 = .95 y1 = .15 y2 = .425 y3 = .575 y4 = .85 xlabel = 14.1 - 14. ylabel = 1.15 schdef = 1.2 slwdef = 4 ppgplot.pgsch(schdef) xmin = 0. xmax = 1.1 ymin = 0. ymax = 1.2 ppgplot.pgsvp(x1, x4, y1, y4) #sets viewport ppgplot.pgslw(slwdef) #line width ppgplot.pgswin(xmin, xmax, ymin, ymax) #axes limits ppgplot.pgbox('bcnst', .2, 2, 'bcvnst', .2, 2) #tickmarks and labeling ppgplot.pgmtxt('b', 2.5, 0.5, 0.5, "z") #xlabel ppgplot.pgmtxt('l', 2.6, 0.5, 0.5, "(1/DH)\u3\d c dV\dc\u/dv/d\gW") z = N.arange(0., 5., .1) beta = ((1 + z)**2 - 1) / ((1 + z)**2 + 1) dV = N.zeros(len(z), 'd') for i in range(len(z)): #dz=dv/(1+z[i])*(1- ((1+z[i])**2 -1)/((1+z[i])**2+1))**(-2) #z1=z[i]-0.5*dz #z2=z[i]+0.5*dz #dV[i]=my.dL(z2,h) - my.dL(z1,h) dA = my.DA(z[i], h) * 206264. / 1000. dV[i] = DH * (1 + z[i]) * (dA)**2 / (my.E( z[i])) / (1 - beta[i])**2 / DH**3 #dV[i]=DH*(1+z[i])**2*(dA)**2/(my.E(z[i]))/DH**3#for comparison w/Hogg if z[i] < 1: print i, z[i], dV[i], dV[i]**(1. / 3.) ppgplot.pgline(z, dV) ppgplot.pgend()
def dm_time_plot(dms, times, sigmas, dm_arr, sigma_arr, time_arr, Total_observed_time, xwin): """ Plot DM vs Time subplot for the spd plots. Input: dms: list of dms of single pulse events to be plotted. times: list of times of single pulse events to be plotted. sigmas: list of sigmas of single pulse events to be plotted. dm_arr: array of dms of the main single pulse group (plotted in black). sigma_arr: array of sigmas of the main single pulse group (plotted in black). time_arr: array of times of single pulse group (plotted in black). Total_observed_time: float : Total observation time xwin: True or False. Use xwin or vcps window. """ min_dm = Num.min(dms) max_dm = Num.max(dms) ppgplot.pgswin(0, Total_observed_time, min_dm, max_dm) ppgplot.pgsch(0.8) ppgplot.pgslw(3) ppgplot.pgbox("BCNST", 0, 0, "BCNST", 0, 0) ppgplot.pgslw(3) ppgplot.pgmtxt('B', 2.5, 0.5, 0.5, "Time (s)") ppgplot.pgmtxt('L', 1.8, 0.5, 0.5, "DM (pc cm\u-3\d)") snr_range = 12.0 cand_symbols = [] cand_symbols_group = [] for i in range(len(sigmas)): if sigmas[i] > 20.00: sigmas[i] = 20.0 cand_symbol = int((sigmas[i] - 5.0) / snr_range * 6.0 + 20.5) cand_symbols.append(min(cand_symbol, 26)) cand_symbols = Num.array(cand_symbols) for i in range(len(dm_arr)): cand_symbol = int((sigma_arr[i] - 5.0) / snr_range * 6.0 + 20.5) cand_symbols_group.append(min(cand_symbol, 26)) cand_symbols_group = Num.array(cand_symbols_group) dms = Num.array(dms) times = Num.array(times) dm_arr = Num.array(dm_arr) time_arr = Num.array(time_arr) for ii in [26, 25, 24, 23, 22, 21, 20]: inds = Num.nonzero(cand_symbols == ii)[0] ppgplot.pgshls(1, 0.0, 0.5, 0.0) ppgplot.pgpt(times[inds], dms[inds], ii) for ii in [26, 25, 24, 23, 22, 21, 20]: inds_1 = Num.nonzero(cand_symbols_group == ii)[0] if xwin: ppgplot.pgshls(1, 0.0, 0.8, 0.0) else: ppgplot.pgshls(1, 0.0, 0.0, 0.0) ppgplot.pgpt(time_arr[inds_1], dm_arr[inds_1], ii)
def dm_time_plot(dms, times, sigmas, dm_arr, sigma_arr, time_arr, Total_observed_time, xwin): """ Plot DM vs Time subplot for the spd plots. Input: dms: list of dms of single pulse events to be plotted. times: list of times of single pulse events to be plotted. sigmas: list of sigmas of single pulse events to be plotted. dm_arr: array of dms of the main single pulse group (plotted in black). sigma_arr: array of sigmas of the main single pulse group (plotted in black). time_arr: array of times of single pulse group (plotted in black). Total_observed_time: float : Total observation time xwin: True or False. Use xwin or vcps window. """ min_dm = Num.min(dms) max_dm = Num.max(dms) ppgplot.pgswin(0, Total_observed_time, min_dm, max_dm) ppgplot.pgsch(0.8) ppgplot.pgslw(3) ppgplot.pgbox("BCNST", 0, 0, "BCNST", 0, 0) ppgplot.pgslw(3) ppgplot.pgmtxt('B', 2.5, 0.5, 0.5, "Time (s)") ppgplot.pgmtxt('L', 1.8, 0.5, 0.5, "DM (pc cm\u-3\d)") snr_range = 12.0 cand_symbols = [] cand_symbols_group = [] for i in range(len(sigmas)): if sigmas[i] > 20.00: sigmas[i] = 20.0 cand_symbol = int((sigmas[i] - 5.0)/snr_range * 6.0 + 20.5) cand_symbols.append(min(cand_symbol, 26)) cand_symbols = Num.array(cand_symbols) for i in range(len(dm_arr)): cand_symbol = int((sigma_arr[i] - 5.0)/snr_range * 6.0 + 20.5) cand_symbols_group.append(min(cand_symbol, 26)) cand_symbols_group = Num.array(cand_symbols_group) dms = Num.array(dms) times = Num.array(times) dm_arr = Num.array(dm_arr) time_arr = Num.array(time_arr) for ii in [26, 25, 24, 23, 22, 21, 20]: inds = Num.nonzero(cand_symbols == ii)[0] ppgplot.pgshls(1, 0.0, 0.5, 0.0) ppgplot.pgpt(times[inds], dms[inds], ii) for ii in [26, 25, 24, 23, 22, 21, 20]: inds_1 = Num.nonzero(cand_symbols_group == ii)[0] if xwin: ppgplot.pgshls(1, 0.0, 0.8, 0.0) else: ppgplot.pgshls(1, 0.0, 0.0, 0.0) ppgplot.pgpt(time_arr[inds_1], dm_arr[inds_1], ii)
def plotsighaall(sig, psig, o2b, file, nbin): o2b = N.array(o2b, 'f') sig = N.array(sig, 'f') psig = N.array(psig, 'f') #o2b=o2b+4. o2 = N.compress(o2b > -500., o2b) sig = N.compress(o2b > -500., sig) psig = N.compress(o2b > -500., psig) psplot = file + ".ps" psplotinit(psplot) #ppgplot.pgsch(0.7) ppgplot.pgslw(7) (sigbin, o2bin) = my.binit(sig, o2, nbin) #print 'dude', sigbin, o2bin sigbin = N.log10(sigbin) ppgplot.pgswin(-2., 2., -5., 20.) ppgplot.pgbox('blcnst', 0.0, 0.0, 'bcvnst', 0.0, 0.0) #tickmarks and labeling ppgplot.pgsch(1.0) ppgplot.pgmtxt('b', 2.5, 0.5, 0.5, "\gS\d10\u (gal/Mpc\u2\d)") #xlabel ppgplot.pgsch(1.2) ppgplot.pgmtxt('l', 2.6, 0.5, 0.5, 'EW(H\ga) (\(2078))') ppgplot.pgsls(1) #dotted ppgplot.pgslw(4) #line width ppgplot.pgpt(sigbin, o2bin, 17) ppgplot.pgpt(N.log10(sig), o2, 1) #my.errory(sigbin,o2bin,yerr) #print 'dude2', sigbin, o2bin ppgplot.pgsci(2) ppgplot.pgline(sigbin, o2bin) (sigbin, o2bin) = my.binit(psig, o2, nbin) #print 'dude', sigbin, o2bin sigbin = N.log10(sigbin) ppgplot.pgsci(1) ppgplot.pgpt(sigbin, o2bin, 21) #my.errory(sigbin,o2bin,yerr) ppgplot.pgsci(4) ppgplot.pgline(sigbin, o2bin) ppgplot.pgsci(1) ppgplot.pgend()
def dm_time_plot(dms, times, sigmas, dm_arr, sigma_arr, time_arr, Total_observed_time, xwin): """ Plot DM vs Time. """ min_dm = Num.min(dms) max_dm = Num.max(dms) ppgplot.pgsvp(0.48, 0.97, 0.1, 0.54) ppgplot.pgswin(0, Total_observed_time, min_dm, max_dm) ppgplot.pgsch(0.8) ppgplot.pgslw(3) ppgplot.pgbox("BCNST", 0, 0, "BCNST", 0, 0) ppgplot.pgslw(3) ppgplot.pgmtxt('B', 2.5, 0.5, 0.5, "Time (s)") ppgplot.pgmtxt('L', 1.8, 0.5, 0.5, "DM (pc cm\u-3\d)") snr_range = 12.0 cand_symbols = [] cand_symbols_group = [] for i in range(len(sigmas)): if sigmas[i] > 20.00: sigmas[i] = 20.0 cand_symbol = int((sigmas[i] - 5.0) / snr_range * 6.0 + 20.5) cand_symbols.append(min(cand_symbol, 26)) cand_symbols = Num.array(cand_symbols) for i in range(len(dm_arr)): cand_symbol = int((sigma_arr[i] - 5.0) / snr_range * 6.0 + 20.5) cand_symbols_group.append(min(cand_symbol, 26)) cand_symbols_group = Num.array(cand_symbols_group) dms = Num.array(dms) times = Num.array(times) dm_arr = Num.array(dm_arr) time_arr = Num.array(time_arr) for ii in [26, 25, 24, 23, 22, 21, 20]: inds = Num.nonzero(cand_symbols == ii)[0] ppgplot.pgshls(1, 0.0, 0.5, 0.0) ppgplot.pgpt(times[inds], dms[inds], ii) for ii in [26, 25, 24, 23, 22, 21, 20]: inds_1 = Num.nonzero(cand_symbols_group == ii)[0] if xwin: ppgplot.pgshls(1, 0.0, 0.8, 0.0) else: ppgplot.pgshls(1, 0.0, 0.0, 0.0) ppgplot.pgpt(time_arr[inds_1], dm_arr[inds_1], ii)
def dm_time_plot(dms, times, sigmas, dm_arr, sigma_arr, time_arr, Total_observed_time, xwin): """ Plot DM vs Time. """ min_dm = Num.min(dms) max_dm = Num.max(dms) ppgplot.pgsvp(0.48, 0.97, 0.1, 0.54) ppgplot.pgswin(0, Total_observed_time, min_dm, max_dm) ppgplot.pgsch(0.8) ppgplot.pgslw(3) ppgplot.pgbox("BCNST", 0, 0, "BCNST", 0, 0) ppgplot.pgslw(3) ppgplot.pgmtxt('B', 2.5, 0.5, 0.5, "Time (s)") ppgplot.pgmtxt('L', 1.8, 0.5, 0.5, "DM (pc cm\u-3\d)") snr_range = 12.0 cand_symbols = [] cand_symbols_group = [] for i in range(len(sigmas)): if sigmas[i] > 20.00: sigmas[i] = 20.0 cand_symbol = int((sigmas[i] - 5.0)/snr_range * 6.0 + 20.5) cand_symbols.append(min(cand_symbol, 26)) cand_symbols = Num.array(cand_symbols) for i in range(len(dm_arr)): cand_symbol = int((sigma_arr[i] - 5.0)/snr_range * 6.0 + 20.5) cand_symbols_group.append(min(cand_symbol, 26)) cand_symbols_group = Num.array(cand_symbols_group) dms = Num.array(dms) times = Num.array(times) dm_arr = Num.array(dm_arr) time_arr = Num.array(time_arr) for ii in [26, 25, 24, 23, 22, 21, 20]: inds = Num.nonzero(cand_symbols == ii)[0] ppgplot.pgshls(1, 0.0, 0.5, 0.0) ppgplot.pgpt(times[inds], dms[inds], ii) for ii in [26, 25, 24, 23, 22, 21, 20]: inds_1 = Num.nonzero(cand_symbols_group == ii)[0] if xwin: ppgplot.pgshls(1, 0.0, 0.8, 0.0) else: ppgplot.pgshls(1, 0.0, 0.0, 0.0) ppgplot.pgpt(time_arr[inds_1], dm_arr[inds_1], ii)
def sub1plotngalmcl(x, y1, y2): schdef = 1.2 slwdef = 4 ppgplot.pgsch(schdef) xmin = -.5 xmax = 1. ymin = 0. ymax = 60. #nbin=5 ppgplot.pgslw(slwdef) #line width ppgplot.pgswin(xmin, xmax, ymin, ymax) #axes limits ppgplot.pgbox('bcnlst', 1.0, 0, 'bcvnst', 10., 2) #tickmarks and labeling ppgplot.pgmtxt( 'b', 2.5, 0.5, 0.5, "log\d10\u(10\u14\d M\dhalo\u/h\u-1\d M\d\(2281)\u)") #xlabel ppgplot.pgmtxt('l', 2.1, 0.5, 0.5, "N\dgal\u") (xbin, ybin, ybinerr) = my.biniterr(x, y1, nbin) print y1 print 'ybin for y1 = ', ybin xbin = N.log10( xbin) + 12. - 14. #add back 10^12 Msun, then divide by 10^14 ppgplot.pgsch(1.5) ppgplot.pgpt(xbin, ybin, 7) ppgplot.pgslw(3) ppgplot.pgerrb(6, xbin, ybin, ybinerr, 2.) #my.errory(xbin,ybin,ybinerr) (xbin, ybin, ybinerr) = my.biniterr(x, y2, nbin) print y2 print 'ybin = ', ybin xbin = N.log10( xbin) + 12. - 14. #add back 10^12 Msun, then divide by 10^14 ppgplot.pgsch(1.75) ppgplot.pgpt(xbin, ybin, 17) ppgplot.pgsch(schdef) ppgplot.pgerrb(6, xbin, ybin, ybinerr, 2.) ppgplot.pgslw(slwdef)
def plotsigo2all(sig, psig, o2b, file, nbin): #o2=N.zeros(len(o2b),'f') #for i in range(len(o2b)): #print i, sig[i], psig[i], o2b[i] # if o2b[i] < 0: # o2[i]=-1*o2b[i] #print "hey", o2[i] o2 = o2b psplot = file + ".ps" psplotinit(psplot) ppgplot.pgsch(0.7) (sigbin, o2bin) = my.binit(sig, o2, nbin) #print 'dude', sigbin, o2bin sigbin = N.log10(sigbin) ppgplot.pgswin(-1., 3., -.5, 10.) ppgplot.pgbox('bcnst', 0.0, 0.0, 'bcvnst', 0.0, 0.0) #tickmarks and labeling ppgplot.pgsch(1.0) ppgplot.pgmtxt('b', 2.5, 0.5, 0.5, "\gS\d10\u (gal/Mpc\u2\d)") #xlabel ppgplot.pgsch(1.2) ppgplot.pgmtxt('l', 2.6, 0.5, 0.5, 'EW([OII]) (\(2078))') ppgplot.pgsls(1) #dotted ppgplot.pgslw(4) #line width ppgplot.pgsci(2) ppgplot.pgpt(sigbin, o2bin, 17) #print 'dude2', sigbin, o2bin ppgplot.pgline(sigbin, o2bin) (sigbin, o2bin) = my.binit(psig, o2, nbin) #print 'dude', sigbin, o2bin sigbin = N.log10(sigbin) ppgplot.pgsci(4) ppgplot.pgpt(sigbin, o2bin, 21) ppgplot.pgline(sigbin, o2bin) ppgplot.pgsci(1) ppgplot.pgend()
def prepplot(rangex, rangey, title=None, labx=None, laby=None, \ rangex2=None, rangey2=None, labx2=None, laby2=None, \ logx=0, logy=0, logx2=0, logy2=0, font=ppgplot_font_, \ fontsize=ppgplot_font_size_, id=0, aspect=1, ticks='in', \ panels=[1,1], device=ppgplot_device_): """ prepplot(rangex, rangey, ...) Open a PGPLOT device for plotting. 'rangex' and 'rangey' are sequence objects giving min and max values for each axis. The optional entries are: title: graph title (default = None) labx: label for the x-axis (default = None) laby: label for the y-axis (default = None) rangex2: ranges for 2nd x-axis (default = None) rangey2: ranges for 2nd y-axis (default = None) labx2: label for the 2nd x-axis (default = None) laby2: label for the 2nd y-axis (default = None) logx: make the 1st x-axis log (default = 0 (no)) logy: make the 1st y-axis log (default = 0 (no)) logx2: make the 2nd x-axis log (default = 0 (no)) logy2: make the 2nd y-axis log (default = 0 (no)) font: PGPLOT font to use (default = 1 (normal)) fontsize: PGPLOT font size to use (default = 1.0 (normal)) id: Show ID line on plot (default = 0 (no)) aspect: Aspect ratio (default = 1 (square)) ticks: Ticks point in or out (default = 'in') panels: Number of subpanels [r,c] (default = [1,1]) device: PGPLOT device to use (default = '/XWIN') Note: Many default values are defined in global variables with names like ppgplot_font_ or ppgplot_device_. """ global ppgplot_dev_open_, ppgplot_dev_prep_ # Check if we will use second X or Y axes # Note: if using a 2nd X axis, the range should correspond # to the minimum and maximum values of the 1st X axis. If # using a 2nd Y axis, the range should correspond to the # scalerange() values of the 1st Y axis. if rangex2 is None: rangex2 = rangex otherxaxis = 0 else: otherxaxis = 1 if rangey2 is None: rangey2 = rangey otheryaxis = 0 else: otheryaxis = 1 # Open the plot device if (not ppgplot_dev_open_): ppgplot.pgopen(device) # Let the routines know that we already have a device open ppgplot_dev_open_ = 1 # Set the aspect ratio ppgplot.pgpap(0.0, aspect) if (panels != [1, 1]): # Set the number of panels ppgplot.pgsubp(panels[0], panels[1]) ppgplot.pgpage() # Choose the font ppgplot.pgscf(font) # Choose the font size ppgplot.pgsch(fontsize) # Choose the font size ppgplot.pgslw(ppgplot_linewidth_) # Plot the 2nd axis if needed first if otherxaxis or otheryaxis: ppgplot.pgvstd() ppgplot.pgswin(rangex2[0], rangex2[1], rangey2[0], rangey2[1]) # Decide how the axes will be drawn if ticks == 'in': env = "CMST" else: env = "CMSTI" if logx2: lxenv = 'L' else: lxenv = '' if logy2: lyenv = 'L' else: lyenv = '' if otherxaxis and otheryaxis: ppgplot.pgbox(env + lxenv, 0.0, 0, env + lyenv, 0.0, 0) elif otheryaxis: ppgplot.pgbox("", 0.0, 0, env + lyenv, 0.0, 0) else: ppgplot.pgbox(env + lxenv, 0.0, 0, "", 0.0, 0) # Now setup the primary axis ppgplot.pgvstd() ppgplot.pgswin(rangex[0], rangex[1], rangey[0], rangey[1]) # Decide how the axes will be drawn if ticks == 'in': env = "ST" else: env = "STI" if logx: lxenv = 'L' else: lxenv = '' if logy: lyenv = 'L' else: lyenv = '' if otherxaxis and otheryaxis: ppgplot.pgbox("BN" + env + lxenv, 0.0, 0, "BN" + env + lyenv, 0.0, 0) elif otheryaxis: ppgplot.pgbox("BCN" + env + lxenv, 0.0, 0, "BN" + env + lyenv, 0.0, 0) elif otherxaxis: ppgplot.pgbox("BN" + env + lxenv, 0.0, 0, "BCN" + env + lyenv, 0.0, 0) else: ppgplot.pgbox("BCN" + env + lxenv, 0.0, 0, "BCN" + env + lyenv, 0.0, 0) # Add labels if not title is None: ppgplot.pgmtxt("T", 3.2, 0.5, 0.5, title) ppgplot.pgmtxt("B", 3.0, 0.5, 0.5, labx) ppgplot.pgmtxt("L", 2.6, 0.5, 0.5, laby) if otherxaxis: ppgplot.pgmtxt("T", 2.0, 0.5, 0.5, labx2) if otheryaxis: ppgplot.pgmtxt("R", 3.0, 0.5, 0.5, laby2) # Add ID line if required if (id == 1): ppgplot.pgiden() # Let the routines know that we have already prepped the device ppgplot_dev_prep_ = 1
def main(): parser = OptionParser(usage) parser.add_option( "-x", "--xwin", action="store_true", dest="xwin", default=False, help="Don't make a postscript plot, just use an X-window") parser.add_option("-p", "--noplot", action="store_false", dest="makeplot", default=True, help="Look for pulses but do not generate a plot") parser.add_option( "-m", "--maxwidth", type="float", dest="maxwidth", default=0.0, help="Set the max downsampling in sec (see below for default)") parser.add_option("-t", "--threshold", type="float", dest="threshold", default=5.0, help="Set a different threshold SNR (default=5.0)") parser.add_option("-s", "--start", type="float", dest="T_start", default=0.0, help="Only plot events occuring after this time (s)") parser.add_option("-e", "--end", type="float", dest="T_end", default=1e9, help="Only plot events occuring before this time (s)") parser.add_option("-g", "--glob", type="string", dest="globexp", default=None, help="Process the files from this glob expression") parser.add_option("-f", "--fast", action="store_true", dest="fast", default=False, help="Use a faster method of de-trending (2x speedup)") (opts, args) = parser.parse_args() if len(args) == 0: if opts.globexp == None: print full_usage sys.exit(0) else: args = [] for globexp in opts.globexp.split(): args += glob.glob(globexp) useffts = True dosearch = True if opts.xwin: pgplot_device = "/XWIN" else: pgplot_device = "" fftlen = 8192 # Should be a power-of-two for best speed chunklen = 8000 # Must be at least max_downfact less than fftlen detrendlen = 1000 # length of a linear piecewise chunk of data for detrending blocks_per_chunk = chunklen / detrendlen overlap = (fftlen - chunklen) / 2 worklen = chunklen + 2 * overlap # currently it is fftlen... max_downfact = 30 default_downfacts = [2, 3, 4, 6, 9, 14, 20, 30, 45, 70, 100, 150] if args[0].endswith(".singlepulse"): filenmbase = args[0][:args[0].rfind(".singlepulse")] dosearch = False elif args[0].endswith(".dat"): filenmbase = args[0][:args[0].rfind(".dat")] else: filenmbase = args[0] # Don't do a search, just read results and plot if not dosearch: info, DMs, candlist, num_v_DMstr = \ read_singlepulse_files(args, opts.threshold, opts.T_start, opts.T_end) orig_N, orig_dt = int(info.N), info.dt obstime = orig_N * orig_dt else: DMs = [] candlist = [] num_v_DMstr = {} # Loop over the input files for filenm in args: if filenm.endswith(".dat"): filenmbase = filenm[:filenm.rfind(".dat")] else: filenmbase = filenm info = infodata.infodata(filenmbase + ".inf") DMstr = "%.2f" % info.DM DMs.append(info.DM) N, dt = int(info.N), info.dt obstime = N * dt # Choose the maximum width to search based on time instead # of bins. This helps prevent increased S/N when the downsampling # changes as the DM gets larger. if opts.maxwidth > 0.0: downfacts = [ x for x in default_downfacts if x * dt <= opts.maxwidth ] else: downfacts = [x for x in default_downfacts if x <= max_downfact] if len(downfacts) == 0: downfacts = [default_downfacts[0]] if (filenm == args[0]): orig_N = N orig_dt = dt if useffts: fftd_kerns = make_fftd_kerns(downfacts, fftlen) if info.breaks: offregions = zip([x[1] for x in info.onoff[:-1]], [x[0] for x in info.onoff[1:]]) outfile = open(filenmbase + '.singlepulse', mode='w') # Compute the file length in detrendlens roundN = N / detrendlen * detrendlen numchunks = roundN / chunklen # Read in the file print 'Reading "%s"...' % filenm timeseries = Num.fromfile(filenm, dtype=Num.float32, count=roundN) # Split the timeseries into chunks for detrending numblocks = roundN / detrendlen timeseries.shape = (numblocks, detrendlen) stds = Num.zeros(numblocks, dtype=Num.float64) # de-trend the data one chunk at a time print ' De-trending the data and computing statistics...' for ii, chunk in enumerate(timeseries): if opts.fast: # use median removal instead of detrending (2x speedup) tmpchunk = chunk.copy() tmpchunk.sort() med = tmpchunk[detrendlen / 2] chunk -= med tmpchunk -= med else: # The detrend calls are the most expensive in the program timeseries[ii] = scipy.signal.detrend(chunk, type='linear') tmpchunk = timeseries[ii].copy() tmpchunk.sort() # The following gets rid of (hopefully) most of the # outlying values (i.e. power dropouts and single pulses) # If you throw out 5% (2.5% at bottom and 2.5% at top) # of random gaussian deviates, the measured stdev is ~0.871 # of the true stdev. Thus the 1.0/0.871=1.148 correction below. # The following is roughly .std() since we already removed the median stds[ii] = Num.sqrt( (tmpchunk[detrendlen / 40:-detrendlen / 40]**2.0).sum() / (0.95 * detrendlen)) stds *= 1.148 # sort the standard deviations and separate those with # very low or very high values sort_stds = stds.copy() sort_stds.sort() # identify the differences with the larges values (this # will split off the chunks with very low and very high stds locut = (sort_stds[1:numblocks / 2 + 1] - sort_stds[:numblocks / 2]).argmax() + 1 hicut = (sort_stds[numblocks / 2 + 1:] - sort_stds[numblocks / 2:-1]).argmax() + numblocks / 2 - 2 std_stds = scipy.std(sort_stds[locut:hicut]) median_stds = sort_stds[(locut + hicut) / 2] lo_std = median_stds - 4.0 * std_stds hi_std = median_stds + 4.0 * std_stds # Determine a list of "bad" chunks. We will not search these. bad_blocks = Num.nonzero((stds < lo_std) | (stds > hi_std))[0] print " pseudo-median block standard deviation = %.2f" % ( median_stds) print " identified %d bad blocks out of %d (i.e. %.2f%%)" % \ (len(bad_blocks), len(stds), 100.0*float(len(bad_blocks))/float(len(stds))) stds[bad_blocks] = median_stds print " Now searching..." # Now normalize all of the data and reshape it to 1-D timeseries /= stds[:, Num.newaxis] timeseries.shape = (roundN, ) # And set the data in the bad blocks to zeros # Even though we don't search these parts, it is important # because of the overlaps for the convolutions for bad_block in bad_blocks: loind, hiind = bad_block * detrendlen, (bad_block + 1) * detrendlen timeseries[loind:hiind] = 0.0 # Convert to a set for faster lookups below bad_blocks = set(bad_blocks) # Step through the data dm_candlist = [] for chunknum in range(numchunks): loind = chunknum * chunklen - overlap hiind = (chunknum + 1) * chunklen + overlap # Take care of beginning and end of file overlap issues if (chunknum == 0): # Beginning of file chunk = Num.zeros(worklen, dtype=Num.float32) chunk[overlap:] = timeseries[loind + overlap:hiind] elif (chunknum == numchunks - 1): # end of the timeseries chunk = Num.zeros(worklen, dtype=Num.float32) chunk[:-overlap] = timeseries[loind:hiind - overlap] else: chunk = timeseries[loind:hiind] # Make a set with the current block numbers lowblock = blocks_per_chunk * chunknum currentblocks = set(Num.arange(blocks_per_chunk) + lowblock) localgoodblocks = Num.asarray( list(currentblocks - bad_blocks)) - lowblock # Search this chunk if it is not all bad if len(localgoodblocks): # This is the good part of the data (end effects removed) goodchunk = chunk[overlap:-overlap] # need to pass blocks/chunklen, localgoodblocks # dm_candlist, dt, opts.threshold to cython routine # Search non-downsampled data first # NOTE: these nonzero() calls are some of the most # expensive calls in the program. Best bet would # probably be to simply iterate over the goodchunk # in C and append to the candlist there. hibins = Num.flatnonzero(goodchunk > opts.threshold) hivals = goodchunk[hibins] hibins += chunknum * chunklen hiblocks = hibins / detrendlen # Add the candidates (which are sorted by bin) for bin, val, block in zip(hibins, hivals, hiblocks): if block not in bad_blocks: time = bin * dt dm_candlist.append( candidate(info.DM, val, time, bin, 1)) # Prepare our data for the convolution if useffts: fftd_chunk = rfft(chunk, -1) # Now do the downsampling... for ii, downfact in enumerate(downfacts): if useffts: # Note: FFT convolution is faster for _all_ downfacts, even 2 goodchunk = fft_convolve(fftd_chunk, fftd_kerns[ii], overlap, -overlap) else: # The normalization of this kernel keeps the post-smoothing RMS = 1 kernel = Num.ones(downfact, dtype=Num.float32) / \ Num.sqrt(downfact) smoothed_chunk = scipy.signal.convolve( chunk, kernel, 1) goodchunk = smoothed_chunk[overlap:-overlap] #hibins = Num.nonzero(goodchunk>opts.threshold)[0] hibins = Num.flatnonzero(goodchunk > opts.threshold) hivals = goodchunk[hibins] hibins += chunknum * chunklen hiblocks = hibins / detrendlen hibins = hibins.tolist() hivals = hivals.tolist() # Now walk through the new candidates and remove those # that are not the highest but are within downfact/2 # bins of a higher signal pulse hibins, hivals = prune_related1( hibins, hivals, downfact) # Insert the new candidates into the candlist, but # keep it sorted... for bin, val, block in zip(hibins, hivals, hiblocks): if block not in bad_blocks: time = bin * dt bisect.insort( dm_candlist, candidate(info.DM, val, time, bin, downfact)) # Now walk through the dm_candlist and remove the ones that # are within the downsample proximity of a higher # signal-to-noise pulse dm_candlist = prune_related2(dm_candlist, downfacts) print " Found %d pulse candidates" % len(dm_candlist) # Get rid of those near padding regions if info.breaks: prune_border_cases(dm_candlist, offregions) # Write the pulses to an ASCII output file if len(dm_candlist): #dm_candlist.sort(cmp_sigma) outfile.write( "# DM Sigma Time (s) Sample Downfact\n") for cand in dm_candlist: outfile.write(str(cand)) outfile.close() # Add these candidates to the overall candidate list for cand in dm_candlist: candlist.append(cand) num_v_DMstr[DMstr] = len(dm_candlist) if (opts.makeplot): # Step through the candidates to make a SNR list DMs.sort() snrs = [] for cand in candlist: snrs.append(cand.sigma) if snrs: maxsnr = max(int(max(snrs)), int(opts.threshold)) + 3 else: maxsnr = int(opts.threshold) + 3 # Generate the SNR histogram snrs = Num.asarray(snrs) (num_v_snr, lo_snr, d_snr, num_out_of_range) = \ scipy.stats.histogram(snrs, int(maxsnr-opts.threshold+1), [opts.threshold, maxsnr]) snrs = Num.arange(maxsnr-opts.threshold+1, dtype=Num.float64) * d_snr \ + lo_snr + 0.5*d_snr num_v_snr = num_v_snr.astype(Num.float32) num_v_snr[num_v_snr == 0.0] = 0.001 # Generate the DM histogram num_v_DM = Num.zeros(len(DMs)) for ii, DM in enumerate(DMs): num_v_DM[ii] = num_v_DMstr["%.2f" % DM] DMs = Num.asarray(DMs) # open the plot device short_filenmbase = filenmbase[:filenmbase.find("_DM")] if opts.T_end > obstime: opts.T_end = obstime if pgplot_device: ppgplot.pgopen(pgplot_device) else: if (opts.T_start > 0.0 or opts.T_end < obstime): ppgplot.pgopen(short_filenmbase + '_%.0f-%.0fs_singlepulse.ps/VPS' % (opts.T_start, opts.T_end)) else: ppgplot.pgopen(short_filenmbase + '_singlepulse.ps/VPS') ppgplot.pgpap(7.5, 1.0) # Width in inches, aspect # plot the SNR histogram ppgplot.pgsvp(0.06, 0.31, 0.6, 0.87) ppgplot.pgswin(opts.threshold, maxsnr, Num.log10(0.5), Num.log10(2 * max(num_v_snr))) ppgplot.pgsch(0.8) ppgplot.pgbox("BCNST", 0, 0, "BCLNST", 0, 0) ppgplot.pgmtxt('B', 2.5, 0.5, 0.5, "Signal-to-Noise") ppgplot.pgmtxt('L', 1.8, 0.5, 0.5, "Number of Pulses") ppgplot.pgsch(1.0) ppgplot.pgbin(snrs, Num.log10(num_v_snr), 1) # plot the DM histogram ppgplot.pgsvp(0.39, 0.64, 0.6, 0.87) # Add [1] to num_v_DM in YMAX below so that YMIN != YMAX when max(num_v_DM)==0 ppgplot.pgswin( min(DMs) - 0.5, max(DMs) + 0.5, 0.0, 1.1 * max(num_v_DM + [1])) ppgplot.pgsch(0.8) ppgplot.pgbox("BCNST", 0, 0, "BCNST", 0, 0) ppgplot.pgmtxt('B', 2.5, 0.5, 0.5, "DM (pc cm\u-3\d)") ppgplot.pgmtxt('L', 1.8, 0.5, 0.5, "Number of Pulses") ppgplot.pgsch(1.0) ppgplot.pgbin(DMs, num_v_DM, 1) # plot the SNR vs DM plot ppgplot.pgsvp(0.72, 0.97, 0.6, 0.87) ppgplot.pgswin(min(DMs) - 0.5, max(DMs) + 0.5, opts.threshold, maxsnr) ppgplot.pgsch(0.8) ppgplot.pgbox("BCNST", 0, 0, "BCNST", 0, 0) ppgplot.pgmtxt('B', 2.5, 0.5, 0.5, "DM (pc cm\u-3\d)") ppgplot.pgmtxt('L', 1.8, 0.5, 0.5, "Signal-to-Noise") ppgplot.pgsch(1.0) cand_ts = Num.zeros(len(candlist), dtype=Num.float32) cand_SNRs = Num.zeros(len(candlist), dtype=Num.float32) cand_DMs = Num.zeros(len(candlist), dtype=Num.float32) for ii, cand in enumerate(candlist): cand_ts[ii], cand_SNRs[ii], cand_DMs[ii] = \ cand.time, cand.sigma, cand.DM ppgplot.pgpt(cand_DMs, cand_SNRs, 20) # plot the DM vs Time plot ppgplot.pgsvp(0.06, 0.97, 0.08, 0.52) ppgplot.pgswin(opts.T_start, opts.T_end, min(DMs) - 0.5, max(DMs) + 0.5) ppgplot.pgsch(0.8) ppgplot.pgbox("BCNST", 0, 0, "BCNST", 0, 0) ppgplot.pgmtxt('B', 2.5, 0.5, 0.5, "Time (s)") ppgplot.pgmtxt('L', 1.8, 0.5, 0.5, "DM (pc cm\u-3\d)") # Circles are symbols 20-26 in increasing order snr_range = 12.0 cand_symbols = (cand_SNRs - opts.threshold) / snr_range * 6.0 + 20.5 cand_symbols = cand_symbols.astype(Num.int32) cand_symbols[cand_symbols > 26] = 26 for ii in [26, 25, 24, 23, 22, 21, 20]: inds = Num.nonzero(cand_symbols == ii)[0] ppgplot.pgpt(cand_ts[inds], cand_DMs[inds], ii) # Now fill the infomation area ppgplot.pgsvp(0.05, 0.95, 0.87, 0.97) ppgplot.pgsch(1.0) ppgplot.pgmtxt('T', 0.5, 0.0, 0.0, "Single pulse results for '%s'" % short_filenmbase) ppgplot.pgsch(0.8) # first row ppgplot.pgmtxt('T', -1.1, 0.02, 0.0, 'Source: %s'%\ info.object) ppgplot.pgmtxt('T', -1.1, 0.33, 0.0, 'RA (J2000):') ppgplot.pgmtxt('T', -1.1, 0.5, 0.0, info.RA) ppgplot.pgmtxt('T', -1.1, 0.73, 0.0, 'N samples: %.0f' % orig_N) # second row ppgplot.pgmtxt('T', -2.4, 0.02, 0.0, 'Telescope: %s'%\ info.telescope) ppgplot.pgmtxt('T', -2.4, 0.33, 0.0, 'DEC (J2000):') ppgplot.pgmtxt('T', -2.4, 0.5, 0.0, info.DEC) ppgplot.pgmtxt('T', -2.4, 0.73, 0.0, 'Sampling time: %.2f \gms'%\ (orig_dt*1e6)) # third row if info.instrument.find("pigot") >= 0: instrument = "Spigot" else: instrument = info.instrument ppgplot.pgmtxt('T', -3.7, 0.02, 0.0, 'Instrument: %s' % instrument) if (info.bary): ppgplot.pgmtxt('T', -3.7, 0.33, 0.0, 'MJD\dbary\u: %.12f' % info.epoch) else: ppgplot.pgmtxt('T', -3.7, 0.33, 0.0, 'MJD\dtopo\u: %.12f' % info.epoch) ppgplot.pgmtxt('T', -3.7, 0.73, 0.0, 'Freq\dctr\u: %.1f MHz'%\ ((info.numchan/2-0.5)*info.chan_width+info.lofreq)) ppgplot.pgiden() ppgplot.pgend()
def gotoit(): nbin = 10 #c=Cluster() #g=Galaxy() clusterfile = "clusters.spec.dat" print "reading in cluster file to get cluster parameters" c.creadfiles(clusterfile) print "got ", len(c.z), " clusters" c.convarray() c.Kcorr() go2 = [] #combined arrays containing all galaxies gsf = [] #combined arrays containing all galaxies gsig5 = [] gsig10 = [] gsig52r200 = [] #spec catalogs extended out to 2xR200 gsig102r200 = [] #spec catalogs extended out to 2xR200 gsig5phot = [] gsig10phot = [] sgo2 = [] #combined arrays containing all galaxies sgha = [] #combined arrays containing all galaxies sgsf = [] #combined arrays containing all galaxies sgsig5 = [] sgsig10 = [] sgsig52r200 = [] #spec catalogs extended out to 2xR200 sgsig102r200 = [] #spec catalogs extended out to 2xR200 sgsig5phot = [] sgsig10phot = [] if (mode < 1): c.getsdssphotcats() c.getsdssspeccats() gr = [] #list of median g-r colors psplotinit('summary.ps') x1 = .1 x2 = .45 x3 = .6 x4 = .95 y1 = .15 y2 = .45 y3 = .55 y4 = .85 ppgplot.pgsch(1.2) #font size ppgplot.pgslw(2) #for i in range(len(c.z)): cl = [10] (xl, xu, yl, yu) = ppgplot.pgqvp(0) print "viewport = ", xl, xu, yl, yu complall = [] for i in range(len(c.z)): #for i in cl: gname = "g" + str(i) gname = Galaxy() gspecfile = "abell" + str(c.id[i]) + ".spec.dat" gname.greadfiles(gspecfile, i) print "number of members = ", len(gname.z) if len(gname.z) < 10: print "less than 10 members", len(gname.z) continue gname.convarray() #gname.cullmembers() #gname.getmemb()#get members w/in R200 #gr.append(N.average(gname.g-gname.r)) gspec2r200file = "abell" + str(c.id[i]) + ".spec2r200.dat" gname.greadspecfiles(gspec2r200file, c.dL[i], c.kcorr[i], i) print i, c.id[i], " getnearest, first call", len(gname.ra), len( gname.sra), sum(gname.smemb) #gname.getnearest(i) (gname.sig52r200, gname.sig102r200) = gname.getnearestgen( gname.ra, gname.dec, gname.sra, gname.sdec, i ) #measure distances from ra1, dec1 to members in catalog ra2, dec2 sig52r200 = N.compress(gname.memb > 0, gname.sig52r200) gsig52r200[len(gsig5phot):] = sig52r200 sig102r200 = N.compress(gname.memb > 0, gname.sig102r200) gsig102r200[len(gsig10phot):] = sig102r200 gphotfile = "abell" + str(c.id[i]) + ".phot.dat" gname.greadphotfiles(gphotfile, c.dL[i], c.kcorr[i]) gname.getnearest(i) #print "len of local density arrays = ",len(gname.sig5),len(gname.sig5phot) #print gspecfile, c.z[i],c.kcorr[i] (ds5, ds10) = gname.gwritefiles(gspecfile, i) o2 = N.compress(gname.memb > 0, gname.o2) go2[len(go2):] = o2 sf = N.compress(gname.memb > 0, gname.sf) gsf[len(gsf):] = sf sig5 = N.compress(gname.memb > 0, gname.sig5) gsig5[len(gsig5):] = sig5 sig10 = N.compress(gname.memb > 0, gname.sig10) gsig10[len(gsig10):] = sig10 sig5phot = N.compress(gname.memb > 0, gname.sig5phot) gsig5phot[len(gsig5phot):] = sig5phot sig10phot = N.compress(gname.memb > 0, gname.sig10phot) gsig10phot[len(gsig10phot):] = sig10phot ds5 = N.array(ds5, 'f') ds10 = N.array(ds10, 'f') #print len(ds5),len(ds10) #ppgplot.pgsvp(xl,xu,yl,yu) ppgplot.pgsvp(0.1, .9, .08, .92) ppgplot.pgslw(7) label = 'Abell ' + str( c.id[i]) + ' (z=%5.2f, \gs=%3.0f km/s)' % (c.z[i], c.sigma[i]) ppgplot.pgtext(0., 1., label) ppgplot.pgslw(2) ppgplot.pgsvp(x1, x2, y1, y2) #sets viewport #ppgplot.pgbox("",0.0,0,"",0.0) ppgplot.pgswin(-1., 3., -1., 3.) #axes limits ppgplot.pgbox('bcnst', 1, 2, 'bcvnst', 1, 2) #tickmarks and labeling ppgplot.pgmtxt('b', 2.5, 0.5, 0.5, "\gS\d10\u(phot) (gal/Mpc\u2\d)") #xlabel ppgplot.pgmtxt('l', 2.6, 0.5, 0.5, "\gS\d10\u(spec) (gal/Mpc\u2\d)") x = N.arange(-5., 10., .1) y = x ppgplot.pgsls(1) #dotted ppgplot.pgslw(4) #line width ppgplot.pgline(x, y) x = N.log10(sig10phot) y = N.log10(sig10) ppgplot.pgsch(.7) ppgplot.pgpt(x, y, 17) xp = N.array([-0.5], 'f') yp = N.array([2.5], 'f') ppgplot.pgpt(xp, yp, 17) ppgplot.pgtext((xp + .1), yp, 'spec(1.2xR200) vs phot') ppgplot.pgsci(4) xp = N.array([-0.5], 'f') yp = N.array([2.2], 'f') ppgplot.pgpt(xp, yp, 21) ppgplot.pgtext((xp + .1), yp, 'spec(2xR200) vs phot') y = N.log10(sig102r200) ppgplot.pgsch(.9) ppgplot.pgpt(x, y, 21) ppgplot.pgsch(1.2) ppgplot.pgslw(2) #line width ppgplot.pgsci(1) #ppgplot.pgenv(-200.,200.,-1.,20.,0,0) #ppgplot.pgsci(2) #ppgplot.pghist(len(ds5),ds5,-200.,200.,30,1) #ppgplot.pgsci(4) #ppgplot.pghist(len(ds10),ds10,-200.,200.,30,1) #ppgplot.pgsci(1) #ppgplot.pglab("\gD\gS","Ngal",gspecfile) #ppgplot.pgpanl(1,2) g = N.compress(gname.memb > 0, gname.g) r = N.compress(gname.memb > 0, gname.r) V = N.compress(gname.memb > 0, gname.V) dmag = N.compress(gname.memb > 0, gname.dmagnearest) dnearest = N.compress(gname.memb > 0, gname.nearest) dz = N.compress(gname.memb > 0, gname.dz) #ppgplot.pgsvp(x3,x4,y1,y2) #sets viewport #ppgplot.pgenv(-.5,3.,-1.,5.,0,0) #ppgplot.pgpt((g-V),(g-r),17) #ppgplot.pgsci(1) #ppgplot.pglab("g - M\dV\u",'g-r',gspecfile) ppgplot.pgsvp(x1, x2, y3, y4) #sets viewport #ppgplot.pgbox("",0.0,0,"",0.0) ppgplot.pgswin( (c.ra[i] + 2. * c.r200deg[i] / N.cos(c.dec[i] * N.pi / 180.)), (c.ra[i] - 2 * c.r200deg[i] / N.cos(c.dec[i] * N.pi / 180.)), (c.dec[i] - 2. * c.r200deg[i]), (c.dec[i] + 2. * c.r200deg[i])) ppgplot.pgbox('bcnst', 0.0, 0.0, 'bcvnst', 0.0, 0.0) #tickmarks and labeling ppgplot.pgmtxt('b', 2.5, 0.5, 0.5, "RA") #xlabel ppgplot.pgmtxt('l', 2.6, 0.5, 0.5, "Dec") #ppgplot.pglab("RA",'Dec',gspecfile) ppgplot.pgsfs(2) ppgplot.pgcirc(c.ra[i], c.dec[i], c.r200deg[i]) ppgplot.pgsls(4) ppgplot.pgcirc(c.ra[i], c.dec[i], 1.2 * c.r200deg[i]) ppgplot.pgsls(1) #ppgplot.pgcirc(c.ra[i],c.dec[i],c.r200deg[i]/N.cos(c.dec[i]*N.pi/180.)) ppgplot.pgsci(2) ppgplot.pgpt(gname.ra, gname.dec, 17) ppgplot.pgsci(4) ppgplot.pgpt(gname.photra, gname.photdec, 21) ppgplot.pgsci(1) #calculate completeness w/in R200 dspec = N.sqrt((gname.ra - c.ra[i])**2 + (gname.dec - c.dec[i])**2) dphot = N.sqrt((gname.photra - c.ra[i])**2 + (gname.photdec - c.dec[i])**2) nphot = 1. * len(N.compress(dphot < c.r200deg[i], dphot)) nspec = 1. * len(N.compress(dspec < c.r200deg[i], dspec)) s = "Completeness for cluster Abell %s = %6.2f (nspec=%6.1f,nphot= %6.1f)" % ( str(c.id[i]), float(nspec / nphot), nspec, nphot) print s complall.append(float(nspec / nphot)) ppgplot.pgsvp(x3, x4, y3, y4) #sets viewport #ppgplot.pgsvp(x1,x2,y3,y4) #sets viewport #ppgplot.pgbox("",0.0,0,"",0.0) ppgplot.pgswin(-0.005, .05, -1., 1.) ppgplot.pgbox('bcnst', .02, 2, 'bcvnst', 1, 4) #tickmarks and labeling ppgplot.pgsch(1.0) ppgplot.pgmtxt('b', 2.5, 0.5, 0.5, "Dist to nearest phot neighbor (deg)") #xlabel ppgplot.pgsch(1.2) ppgplot.pgmtxt('l', 2.6, 0.5, 0.5, 'M\dV\u(phot) - M\dV\u(spec)') ppgplot.pgsci(2) ppgplot.pgpt(dnearest, dmag, 17) ppgplot.pgsci(1) x = N.arange(-30., 30., 1.) y = 0 * x ppgplot.pgsci(1) ppgplot.pgsls(2) ppgplot.pgline(x, y) ppgplot.pgsls(1) ppgplot.pgsci(1) dm = N.compress(dnearest < 0.01, dmag) std = '%5.3f (%5.3f)' % (pylab.mean(dm), pylab.std(dm)) #ppgplot.pgslw(7) #label='Abell '+str(c.id[i]) #ppgplot.pgtext(0.,1.,label) ppgplot.pgslw(2) label = '\gDM\dV\u(err) = ' + std ppgplot.pgsch(.9) ppgplot.pgtext(0., .8, label) #label = "z = %5.2f"%(c.z[i]) #ppgplot.pgtext(0.,.8,label) ppgplot.pgsch(1.2) #ppgplot.pgsvp(x3,x4,y3,y4) #sets viewport #ppgplot.pgenv(-.15,.15,-3.,3.,0,0) #ppgplot.pgsci(2) #ppgplot.pgpt(dz,dmag,17) #ppgplot.pgsci(1) #ppgplot.pglab("z-z\dcl\u",'\gD Mag',gspecfile) ppgplot.pgsvp(x3, x4, y1, y2) #sets viewport ppgplot.pgswin(-3., 3., -1., 1.) ppgplot.pgbox('bcnst', 1, 2, 'bcvnst', 1, 4) #tickmarks and labeling ppgplot.pgmtxt('b', 2.5, 0.5, 0.5, "\gDv/\gs") #xlabel ppgplot.pgmtxt('l', 2.6, 0.5, 0.5, 'M\dV\u(phot) - M\dV\u(spec)') ppgplot.pgsci(2) dv = dz / (1 + c.z[i]) * 3.e5 / c.sigma[i] ppgplot.pgpt(dv, dmag, 17) ppgplot.pgsci(1) x = N.arange(-30., 30., 1.) y = 0 * x ppgplot.pgsci(1) ppgplot.pgsls(2) ppgplot.pgline(x, y) ppgplot.pgsls(1) ppgplot.pgsci(1) #ppgplot.pgsvp(x1,x2,y1,y2) #sets viewport #ppgplot.pgenv(0.,3.5,-3.,3.,0,0) #ppgplot.pgsci(4) #ppgplot.pgpt((g-r),dmag,17) #ppgplot.pgsci(1) #ppgplot.pglab("g-r",'\gD Mag',gspecfile) #ppgplot.pgsvp(x1,x2,y1,y2) #sets viewport #ppgplot.pgenv(-25.,-18.,-1.,1.,0,0) #ppgplot.pgsci(4) #ppgplot.pgpt((V),dmag,17) #x=N.arange(-30.,30.,1.) #y=0*x #ppgplot.pgsci(1) #ppgplot.pgsls(2) #ppgplot.pgline(x,y) #ppgplot.pgsls(1) #ppgplot.pgsci(1) #ppgplot.pglab("M\dV\u(spec)",'M\dV\u(phot) - M\dV\u(spec)',gspecfile) #ppgplot.pgpage() #ppgplot.pgpage() #combine galaxy data ppgplot.pgpage() (sssig5, sssig10) = gname.getnearestgen(gname.sra, gname.sdec, gname.sra, gname.sdec, i) #get spec-spec local density (spsig5, spsig10) = gname.getnearestgen(gname.sra, gname.sdec, gname.photra, gname.photdec, i) #get spec-phot local density o2 = N.compress(gname.smemb > 0, gname.so2) sgo2[len(sgo2):] = o2 ha = N.compress(gname.smemb > 0, gname.sha) sgha[len(sgha):] = ha sf = N.compress(gname.smemb > 0, gname.ssf) sgsf[len(sgsf):] = sf sig5 = N.compress(gname.smemb > 0, sssig5) sgsig5[len(sgsig5):] = sig5 sig10 = N.compress(gname.smemb > 0, sssig10) sgsig10[len(sgsig10):] = sig10 sig5phot = N.compress(gname.smemb > 0, spsig5) sgsig5phot[len(sgsig5phot):] = sig5phot sig10phot = N.compress(gname.smemb > 0, spsig10) sgsig10phot[len(sgsig10phot):] = sig10phot #gr=N.array(gr,'f') #c.assigncolor(gr) #for i in range(len(c.z)): # print c.id[i],c.z[i],c.r200[i],c.r200deg[i] print "Average Completeness w/in R200 = ", N.average(N.array( complall, 'f')) print "sig o2", len(gsig10), len(gsig10phot), len(go2) print "sig o2 large", len(sgsig10), len(sgsig10phot), len(sgo2) plotsigo2all(gsig10, gsig10phot, go2, 'o2vsig10spec', nbin) #plotsigo2(gsig5phot,-1*go2,'o2vsig5phot',nbin) plotsigsff(gsig5, gsf, 'sffvsig5spec', nbin) #sf frac versus sigma plotsigsff(gsig5phot, gsf, 'sffvsig5phot', nbin) #sf frac versus sigma plotsigsffall(gsig5, gsig5phot, gsf, 'sffvsig5all', nbin) #sf frac versus sigma plotsig10sffall(gsig10, gsig10phot, gsf, 'sffvsig10all', nbin) #sf frac versus sigma #plotsighaall(gsig10,gsig10phot,gha,'havsig10spec',20) #plotsigo2all(sgsig10,sgsig10phot,sgo2,'o2vsig10spec.large',30) plotsighaall(sgsig10, sgsig10phot, sgha, 'havsig10spec.large', 10) #plotsigsffall(sgsig5,sgsig5phot,sgsf,'sffvsig5.large',nbin)#sf frac versus sigma #plotsig10sffall(sgsig10,sgsig10phot,sgsf,'sffvsig10.large',nbin)#sf frac versus sigma psplotinit('one2one.ps') ppgplot.pgenv(-1.5, 2.5, -1.5, 2.5, 0) ppgplot.pglab("\gS\d10\u(phot) (gal/Mpc\u2\d)", "\gS\d10\u(spec) (gal/Mpc\u2\d)", "") x = N.arange(-5., 10., .1) y = x ppgplot.pgsls(1) #dotted ppgplot.pgslw(4) #line width ppgplot.pgline(x, y) x = N.log10(gsig10phot) y = N.log10(gsig10) ppgplot.pgsch(.7) ppgplot.pgpt(x, y, 17) ppgplot.pgsch(1.) ppgplot.pgsci(1) ppgplot.pgend()
ppgplot.pgrect(-1.5 * m.w, 1.5 * m.w, -m.w, m.w) ppgplot.pgsci(1) ppgplot.pgsch(1.0) ppgplot.pgbox("BC", 0., 0, "BC", 0., 0) ppgplot.pgpt1(0., 0., 2) # Plot field-of-view ppgplot.pgsfs(2) ppgplot.pgrect(-m.fw, m.fw, -m.fh, m.fh) ppgplot.pgsfs(1) # Top left string ppgplot.pgsch(0.8) text = "%s UTC; %s (%04d) [%+.4f\\u\\(2218)\\d, %+.4f\\u\\(2218)\\d, %.0fm]" % ( m.t.isot, m.observer, m.site, m.lat, m.lon, m.elev) ppgplot.pgmtxt("T", 0.6, 0., 0., text) # Bottom string sra = m.ra.to_string(sep=":", unit="hourangle", pad=True, precision=2) sdec = m.dec.to_string(sep=":", unit="deg", pad=True, precision=1) text = "R: %s; D: %s; A: %.1f; E: %.1f; q: %.2f; S: %.1fx%.1f deg; " % ( sra, sdec, m.az, m.alt, m.q, 3.0 * m.w, 2.0 * m.w) text = text + "L: %d; O: %s; m < %.1f; C: %s; l: %.0f s" % ( m.level, m.orientation, m.maxmag, m.camera, m.length) ppgplot.pgmtxt("B", 1.0, 0.0, 0.0, text) ppgplot.pgsch(1.0) # Plot stars
ppgplot.pgpage() # Give z and w values and power change ppgplot.pgsvp(margin+imfract, 1.0-margin/2, margin+imfract, 1.0-margin/2) ppgplot.pgswin(0.0, 1.0, 0.0, 1.0) ppgplot.pgtext(0.1, 0.8, "Frac Recovered" % frp) ppgplot.pgtext(0.2, 0.65, "Power = %.3f" % frp) ppgplot.pgtext(0.1, 0.4, "signal z = %.1f" % z) ppgplot.pgtext(0.1, 0.25, "signal w = %.1f" % w) # freq cut ppgplot.pgsvp(margin, margin+imfract, margin+imfract, 1.0-margin/2) ppgplot.pgswin(min(rs), max(rs), -0.1, 1.1) ppgplot.pgbox("BCST", 0.0, 0, "BCNST", 0.0, 0) ppgplot.pgline(rs, freqcut) ppgplot.pgmtxt("L", 2.0, 0.5, 0.5, "Relative Power"); #fdot cut ppgplot.pgsvp(margin+imfract, 1.0-margin/2, margin, margin+imfract) ppgplot.pgswin(-0.1, 1.1, min(zs), max(zs)) ppgplot.pgbox("BCNST", 0.0, 0, "BCST", 0.0, 0) ppgplot.pgline(fdotcut, zs) ppgplot.pgmtxt("B", 2.4, 0.5, 0.5, "Relative Power"); # f-fdot image ppgplot.pgsvp(margin, margin+imfract, margin, margin+imfract) ppgplot.pgswin(min(rs), max(rs), min(zs), max(zs)) ppgplot.pgmtxt("B", 2.4, 0.5, 0.5, labx); ppgplot.pgmtxt("L", 2.0, 0.5, 0.5, laby); lo_col_ind, hi_col_ind = ppgplot.pgqcol() lo_col_ind = lo_col_ind + 2
def main(args): with open(os.path.join(os.path.dirname(__file__), 'precisiondata.cpickle')) as filedata: exptimes, crosspoints, satpoints = pickle.load(filedata) x_range = [9, 14] interpcross = interp1d(exptimes, crosspoints, kind='linear') interpsat = interp1d(exptimes, satpoints, kind='linear') N = 5 colours = np.arange(2, 2 + N, 1) exptimes = np.arange(1, N + 1) * 10 if args.besancon: all_vmags = get_besancon_mag_data() yhigh = 0.3 title = 'Besancon' else: all_vmags = get_nomad_mag_data() yhigh = 0.4 title = 'NOMAD' ytot = yhigh * len(all_vmags) with pgh.open_plot(args.output): pg.pgvstd() pg.pgswin(x_range[0], x_range[1], 0, yhigh) for exptime, colour in zip(exptimes, colours): satpoint = interpsat(exptime) crosspoint = interpcross(exptime) selected = all_vmags[(all_vmags > satpoint) & (all_vmags <= crosspoint)] print(exptime, len(selected)) xdata, ydata = cumulative_hist(np.array(selected), min_val=x_range[0], max_val=x_range[1], norm=len(all_vmags)) ydata /= float(len(all_vmags)) with pgh.change_colour(colour): pg.pgbin(xdata, ydata, False) pg.pgbox('bcnst', 0, 0, 'bcnst', 0, 0) pg.pglab(r'V magnitude', 'High precision fraction', title) # Label the right hand side pg.pgswin(x_range[0], x_range[1], 0, ytot) pg.pgbox('', 0, 0, 'smt', 0, 0) pg.pgmtxt('r', 2., 0.5, 0.5, 'N') # Create the legend pg.pgsvp(0.7, 0.9, 0.1, 0.3) pg.pgswin(0., 1., 0., 1.) for i, (exptime, colour) in enumerate(zip(exptimes, colours)): yval = 0.1 + 0.8 * i / len(exptimes) with pgh.change_colour(colour): pg.pgline(np.array([0.2, 0.4]), np.ones(2) * yval) pg.pgtext(0.5, yval, r'{:d} s'.format(exptime))
def mratiopg(): ppgplot.pgbeg("maccratio.ps/vcps",1,1) #color port. ppgplot.pgpap(8.,1.) ppgplot.pgpage ppgplot.pgsch(1.3) #font size ppgplot.pgslw(7) #line width # 1st panel with symbols w/ stddev errorbars #ylabel="SFR (M\d\(2281) \u yr\u-1\d)" ylabel="L(H\ga) (10\u41\d erg s\u-1\d)" xlabel="M\dr\u " x1=.15 x2=.5 x3=.5 x4=.85 y1=x1 y2=x2 y3=x3 y4=x4 emarker=18 smarker=23 xmin=N.log10(1.e14) xmax=N.log10(2.5e15) #ymin=-1. #ymax=3. ymin=0. ymax=25. ppgplot.pgsvp(x1,x4,y1,y4) #sets viewport ppgplot.pgswin(xmin,xmax,ymin,ymax) #axes limits ppgplot.pgbox('blncst',1.,2,'bcvnst',2.,2) #tickmarks and labeling for i in range(len(lz1lm.mass)): m=lz1lm.mass[i] l=lz1lm.maccret[i] h=hz1lm.maccret[i] r=h/l print i,m,l,h,r #print lz1lm.maccret #print hz1lm.maccret #print hz3lm.maccret r3lm=(hz3lm.maccret)/(lz3lm.maccret) r3hm=(hz3hm.maccret)/(lz3hm.maccret) #for i in range(len(r3)): # print i,lz3.sigma[i],hz3.sigma[i],lz3.mass[i],hz3.mass[i] # print i,lz01.sigma[i],hz01.sigma[i],lz01.mass[i],hz01.mass[i] r1lm=hz1lm.maccret/lz1lm.maccret r1hm=hz1hm.maccret/lz1hm.maccret #ra=N.array(hz01.maccret,'d') #rb=N.array(lz01.maccret,'d') #r01=ra/rb #for i in range(len(r01)): #print "ratio ",hz01.maccret[i],lz01.maccret[i],ra[i],rb[i],r01[i] ppgplot.pgsci(14) ppgplot.pgsls(1) ppgplot.pgline(N.log10(lz3lm.mass),r3lm) ppgplot.pgsls(2) ppgplot.pgline(N.log10(lz3hm.mass),r3hm) ppgplot.pgsci(1) ppgplot.pgsls(1) ppgplot.pgline(N.log10(lz1lm.mass),r1lm) ppgplot.pgsls(2) ppgplot.pgline(N.log10(lz1hm.mass),r1hm) xlabel='M\dcl\u (M\d\(2281)\u)' ylabel='M\dacc\u(z=0.75) / M\dacc\u(z=0.07)' ppgplot.pgsch(1.8) ppgplot.pgslw(7) ppgplot.pgmtxt('b',2.2,0.5,0.5,ylabel) #xlabel ppgplot.pgmtxt('l',2.5,0.5,0.5,xlabel) ppgplot.pgend()
def extract_tracks(fname, trkrmin, drdtmin, trksig, ntrkmin): # Read four frame ff = fourframe(fname) # Skip saturated frames if np.sum(ff.zavg > 240.0) / float(ff.nx * ff.ny) > 0.95: return # Read satelite IDs try: f = open(fname + ".id") except OSError: print("Cannot open", fname + ".id") else: lines = f.readlines() f.close() # ppgplot arrays tr = np.array([-0.5, 1.0, 0.0, -0.5, 0.0, 1.0]) heat_l = np.array([0.0, 0.2, 0.4, 0.6, 1.0]) heat_r = np.array([0.0, 0.5, 1.0, 1.0, 1.0]) heat_g = np.array([0.0, 0.0, 0.5, 1.0, 1.0]) heat_b = np.array([0.0, 0.0, 0.0, 0.3, 1.0]) # Loop over identifications for line in lines: # Decode id = satid(line) # Skip slow moving objects drdt = np.sqrt(id.dxdt**2 + id.dydt**2) if drdt < drdtmin: continue # Extract significant pixels x, y, t, sig = ff.significant(trksig, id.x0, id.y0, id.dxdt, id.dydt, trkrmin) # Fit tracks if len(t) > ntrkmin: # Get times tmin = np.min(t) tmax = np.max(t) tmid = 0.5 * (tmax + tmin) mjd = ff.mjd + tmid / 86400.0 # Skip if no variance in time if np.std(t - tmid) == 0.0: continue # Very simple polynomial fit; no weighting, no cleaning px = np.polyfit(t - tmid, x, 1) py = np.polyfit(t - tmid, y, 1) # Extract results x0, y0 = px[1], py[1] dxdt, dydt = px[0], py[0] xmin = x0 + dxdt * (tmin - tmid) ymin = y0 + dydt * (tmin - tmid) xmax = x0 + dxdt * (tmax - tmid) ymax = y0 + dydt * (tmax - tmid) cospar = get_cospar(id.norad) obs = observation(ff, mjd, x0, y0) iod_line = "%s" % format_iod_line(id.norad, cospar, ff.site_id, obs.nfd, obs.ra, obs.de) print(iod_line) if id.catalog.find("classfd.tle") > 0: outfname = "classfd.dat" elif id.catalog.find("inttles.tle") > 0: outfname = "inttles.dat" else: outfname = "catalog.dat" f = open(outfname, "a") f.write("%s\n" % iod_line) f.close() # Plot ppgplot.pgopen( fname.replace(".fits", "") + "_%05d.png/png" % id.norad) #ppgplot.pgopen("/xs") ppgplot.pgpap(0.0, 1.0) ppgplot.pgsvp(0.1, 0.95, 0.1, 0.8) ppgplot.pgsch(0.8) ppgplot.pgmtxt( "T", 6.0, 0.0, 0.0, "UT Date: %.23s COSPAR ID: %04d" % (ff.nfd, ff.site_id)) if (3600.0 * ff.crres[0] < 1e-3 ) | (3600.0 * ff.crres[1] < 1e-3) | ( ff.crres[0] / ff.sx > 2.0) | (ff.crres[1] / ff.sy > 2.0): ppgplot.pgsci(2) else: ppgplot.pgsci(1) ppgplot.pgmtxt( "T", 4.8, 0.0, 0.0, "R.A.: %10.5f (%4.1f'') Decl.: %10.5f (%4.1f'')" % (ff.crval[0], 3600.0 * ff.crres[0], ff.crval[1], 3600.0 * ff.crres[1])) ppgplot.pgsci(1) ppgplot.pgmtxt( "T", 3.6, 0.0, 0.0, "FoV: %.2f\\(2218)x%.2f\\(2218) Scale: %.2f''x%.2f'' pix\\u-1\\d" % (ff.wx, ff.wy, 3600.0 * ff.sx, 3600.0 * ff.sy)) ppgplot.pgmtxt( "T", 2.4, 0.0, 0.0, "Stat: %5.1f+-%.1f (%.1f-%.1f)" % (np.mean(ff.zmax), np.std(ff.zmax), ff.vmin, ff.vmax)) ppgplot.pgmtxt("T", 0.3, 0.0, 0.0, iod_line) ppgplot.pgsch(1.0) ppgplot.pgwnad(0.0, ff.nx, 0.0, ff.ny) ppgplot.pglab("x (pix)", "y (pix)", " ") ppgplot.pgctab(heat_l, heat_r, heat_g, heat_b, 5, 1.0, 0.5) ppgplot.pgimag(ff.zmax, ff.nx, ff.ny, 0, ff.nx - 1, 0, ff.ny - 1, ff.vmax, ff.vmin, tr) ppgplot.pgbox("BCTSNI", 0., 0, "BCTSNI", 0., 0) ppgplot.pgstbg(1) ppgplot.pgsci(0) if id.catalog.find("classfd.tle") > 0: ppgplot.pgsci(4) elif id.catalog.find("inttles.tle") > 0: ppgplot.pgsci(3) ppgplot.pgpt(np.array([x0]), np.array([y0]), 4) ppgplot.pgmove(xmin, ymin) ppgplot.pgdraw(xmax, ymax) ppgplot.pgsch(0.65) ppgplot.pgtext(np.array([x0]), np.array([y0]), " %05d" % id.norad) ppgplot.pgsch(1.0) ppgplot.pgsci(1) ppgplot.pgend() elif id.catalog.find("classfd.tle") > 0: # Track and stack t = np.linspace(0.0, ff.texp) x, y = id.x0 + id.dxdt * t, id.y0 + id.dydt * t c = (x > 0) & (x < ff.nx) & (y > 0) & (y < ff.ny) # Skip if no points selected if np.sum(c) == 0: continue # Compute track tmid = np.mean(t[c]) mjd = ff.mjd + tmid / 86400.0 xmid = id.x0 + id.dxdt * tmid ymid = id.y0 + id.dydt * tmid ztrk = ndimage.gaussian_filter(ff.track(id.dxdt, id.dydt, tmid), 1.0) vmin = np.mean(ztrk) - 2.0 * np.std(ztrk) vmax = np.mean(ztrk) + 6.0 * np.std(ztrk) # Select region xmin = int(xmid - 100) xmax = int(xmid + 100) ymin = int(ymid - 100) ymax = int(ymid + 100) if xmin < 0: xmin = 0 if ymin < 0: ymin = 0 if xmax > ff.nx: xmax = ff.nx - 1 if ymax > ff.ny: ymax = ff.ny - 1 # Find peak x0, y0, w, sigma = peakfind(ztrk[ymin:ymax, xmin:xmax]) x0 += xmin y0 += ymin # Skip if peak is not significant if sigma < trksig: continue # Skip if point is outside selection area if inside_selection(id, xmid, ymid, x0, y0) == False: continue # Format IOD line cospar = get_cospar(id.norad) obs = observation(ff, mjd, x0, y0) iod_line = "%s" % format_iod_line(id.norad, cospar, ff.site_id, obs.nfd, obs.ra, obs.de) print(iod_line) if id.catalog.find("classfd.tle") > 0: outfname = "classfd.dat" elif id.catalog.find("inttles.tle") > 0: outfname = "inttles.dat" else: outfname = "catalog.dat" f = open(outfname, "a") f.write("%s\n" % iod_line) f.close() # Plot ppgplot.pgopen( fname.replace(".fits", "") + "_%05d.png/png" % id.norad) ppgplot.pgpap(0.0, 1.0) ppgplot.pgsvp(0.1, 0.95, 0.1, 0.8) ppgplot.pgsch(0.8) ppgplot.pgmtxt( "T", 6.0, 0.0, 0.0, "UT Date: %.23s COSPAR ID: %04d" % (ff.nfd, ff.site_id)) ppgplot.pgmtxt( "T", 4.8, 0.0, 0.0, "R.A.: %10.5f (%4.1f'') Decl.: %10.5f (%4.1f'')" % (ff.crval[0], 3600.0 * ff.crres[0], ff.crval[1], 3600.0 * ff.crres[1])) ppgplot.pgmtxt( "T", 3.6, 0.0, 0.0, "FoV: %.2f\\(2218)x%.2f\\(2218) Scale: %.2f''x%.2f'' pix\\u-1\\d" % (ff.wx, ff.wy, 3600.0 * ff.sx, 3600.0 * ff.sy)) ppgplot.pgmtxt( "T", 2.4, 0.0, 0.0, "Stat: %5.1f+-%.1f (%.1f-%.1f)" % (np.mean(ff.zmax), np.std(ff.zmax), ff.vmin, ff.vmax)) ppgplot.pgmtxt("T", 0.3, 0.0, 0.0, iod_line) ppgplot.pgsch(1.0) ppgplot.pgwnad(0.0, ff.nx, 0.0, ff.ny) ppgplot.pglab("x (pix)", "y (pix)", " ") ppgplot.pgctab(heat_l, heat_r, heat_g, heat_b, 5, 1.0, 0.5) ppgplot.pgimag(ztrk, ff.nx, ff.ny, 0, ff.nx - 1, 0, ff.ny - 1, vmax, vmin, tr) ppgplot.pgbox("BCTSNI", 0., 0, "BCTSNI", 0., 0) ppgplot.pgstbg(1) plot_selection(id, xmid, ymid) ppgplot.pgsci(0) if id.catalog.find("classfd.tle") > 0: ppgplot.pgsci(4) elif id.catalog.find("inttles.tle") > 0: ppgplot.pgsci(3) ppgplot.pgpt(np.array([id.x0]), np.array([id.y0]), 17) ppgplot.pgmove(id.x0, id.y0) ppgplot.pgdraw(id.x1, id.y1) ppgplot.pgpt(np.array([x0]), np.array([y0]), 4) ppgplot.pgsch(0.65) ppgplot.pgtext(np.array([id.x0]), np.array([id.y0]), " %05d" % id.norad) ppgplot.pgsch(1.0) ppgplot.pgsci(1) ppgplot.pgend()
def prepplot(rangex, rangey, title=None, labx=None, laby=None, \ rangex2=None, rangey2=None, labx2=None, laby2=None, \ logx=0, logy=0, logx2=0, logy2=0, font=ppgplot_font_, \ fontsize=ppgplot_font_size_, id=0, aspect=1, ticks='in', \ panels=[1,1], device=ppgplot_device_): """ prepplot(rangex, rangey, ...) Open a PGPLOT device for plotting. 'rangex' and 'rangey' are sequence objects giving min and max values for each axis. The optional entries are: title: graph title (default = None) labx: label for the x-axis (default = None) laby: label for the y-axis (default = None) rangex2: ranges for 2nd x-axis (default = None) rangey2: ranges for 2nd y-axis (default = None) labx2: label for the 2nd x-axis (default = None) laby2: label for the 2nd y-axis (default = None) logx: make the 1st x-axis log (default = 0 (no)) logy: make the 1st y-axis log (default = 0 (no)) logx2: make the 2nd x-axis log (default = 0 (no)) logy2: make the 2nd y-axis log (default = 0 (no)) font: PGPLOT font to use (default = 1 (normal)) fontsize: PGPLOT font size to use (default = 1.0 (normal)) id: Show ID line on plot (default = 0 (no)) aspect: Aspect ratio (default = 1 (square)) ticks: Ticks point in or out (default = 'in') panels: Number of subpanels [r,c] (default = [1,1]) device: PGPLOT device to use (default = '/XWIN') Note: Many default values are defined in global variables with names like ppgplot_font_ or ppgplot_device_. """ global ppgplot_dev_open_, ppgplot_dev_prep_ # Check if we will use second X or Y axes # Note: if using a 2nd X axis, the range should correspond # to the minimum and maximum values of the 1st X axis. If # using a 2nd Y axis, the range should correspond to the # scalerange() values of the 1st Y axis. if rangex2 is None: rangex2=rangex otherxaxis=0 else: otherxaxis=1 if rangey2 is None: rangey2=rangey otheryaxis=0 else: otheryaxis=1 # Open the plot device if (not ppgplot_dev_open_): ppgplot.pgopen(device) # My little add-on to switch the background to white if device == '/XWIN': reset_colors() if device == '/AQT': ppgplot.pgsci(0) # Let the routines know that we already have a device open ppgplot_dev_open_ = 1 # Set the aspect ratio ppgplot.pgpap(0.0, aspect) if (panels != [1,1]): # Set the number of panels ppgplot.pgsubp(panels[0], panels[1]) ppgplot.pgpage() # Choose the font ppgplot.pgscf(font) # Choose the font size ppgplot.pgsch(fontsize) # Choose the font size ppgplot.pgslw(ppgplot_linewidth_) # Plot the 2nd axis if needed first if otherxaxis or otheryaxis: ppgplot.pgvstd() ppgplot.pgswin(rangex2[0], rangex2[1], rangey2[0], rangey2[1]) # Decide how the axes will be drawn if ticks=='in': env = "CMST" else: env = "CMSTI" if logx2: lxenv='L' else: lxenv='' if logy2: lyenv='L' else: lyenv='' if otherxaxis and otheryaxis: ppgplot.pgbox(env+lxenv, 0.0, 0, env+lyenv, 0.0, 0) elif otheryaxis: ppgplot.pgbox("", 0.0, 0, env+lyenv, 0.0, 0) else: ppgplot.pgbox(env+lxenv, 0.0, 0, "", 0.0, 0) # Now setup the primary axis ppgplot.pgvstd() ppgplot.pgswin(rangex[0], rangex[1], rangey[0], rangey[1]) # Decide how the axes will be drawn if ticks=='in': env = "ST" else: env = "STI" if logx: lxenv='L' else: lxenv='' if logy: lyenv='L' else: lyenv='' if otherxaxis and otheryaxis: ppgplot.pgbox("BN"+env+lxenv, 0.0, 0, "BN"+env+lyenv, 0.0, 0) elif otheryaxis: ppgplot.pgbox("BCN"+env+lxenv, 0.0, 0, "BN"+env+lyenv, 0.0, 0) elif otherxaxis: ppgplot.pgbox("BN"+env+lxenv, 0.0, 0, "BCN"+env+lyenv, 0.0, 0) else: ppgplot.pgbox("BCN"+env+lxenv, 0.0, 0, "BCN"+env+lyenv, 0.0, 0) # My little add-on to switch the background to white if device == '/AQT' or device == '/XWIN': reset_colors() # Add labels if not title is None: ppgplot.pgmtxt("T", 3.2, 0.5, 0.5, title) ppgplot.pgmtxt("B", 3.0, 0.5, 0.5, labx) ppgplot.pgmtxt("L", 2.6, 0.5, 0.5, laby) if otherxaxis: ppgplot.pgmtxt("T", 2.0, 0.5, 0.5, labx2) if otheryaxis: ppgplot.pgmtxt("R", 3.0, 0.5, 0.5, laby2) # Add ID line if required if (id==1): ppgplot.pgiden() # Let the routines know that we have already prepped the device ppgplot_dev_prep_ = 1
def main(): parser = OptionParser(usage) parser.add_option("-x", "--xwin", action="store_true", dest="xwin", default=False, help="Don't make a postscript plot, just use an X-window") parser.add_option("-p", "--noplot", action="store_false", dest="makeplot", default=True, help="Look for pulses but do not generate a plot") parser.add_option("-m", "--maxwidth", type="float", dest="maxwidth", default=0.0, help="Set the max downsampling in sec (see below for default)") parser.add_option("-t", "--threshold", type="float", dest="threshold", default=5.0, help="Set a different threshold SNR (default=5.0)") parser.add_option("-s", "--start", type="float", dest="T_start", default=0.0, help="Only plot events occuring after this time (s)") parser.add_option("-e", "--end", type="float", dest="T_end", default=1e9, help="Only plot events occuring before this time (s)") parser.add_option("-g", "--glob", type="string", dest="globexp", default=None, help="Process the files from this glob expression") parser.add_option("-f", "--fast", action="store_true", dest="fast", default=False, help="Use a faster method of de-trending (2x speedup)") parser.add_option("-b", "--nobadblocks", action="store_false", dest="badblocks", default=True, help="Don't check for bad-blocks (may save strong pulses)") parser.add_option("-d", "--detrendlen", type="int", dest="detrendfact", default=1, help="Chunksize for detrending (pow-of-2 in 1000s)") (opts, args) = parser.parse_args() if len(args)==0: if opts.globexp==None: print full_usage sys.exit(0) else: args = [] for globexp in opts.globexp.split(): args += glob.glob(globexp) useffts = True dosearch = True if opts.xwin: pgplot_device = "/XWIN" else: pgplot_device = "" fftlen = 8192 # Should be a power-of-two for best speed chunklen = 8000 # Must be at least max_downfact less than fftlen assert(opts.detrendfact in [1,2,4,8,16,32]) detrendlen = opts.detrendfact*1000 if (detrendlen > chunklen): chunklen = detrendlen fftlen = int(next2_to_n(chunklen)) blocks_per_chunk = chunklen / detrendlen overlap = (fftlen - chunklen)/2 worklen = chunklen + 2*overlap # currently it is fftlen... max_downfact = 30 default_downfacts = [2, 3, 4, 6, 9, 14, 20, 30, 45, 70, 100, 150, 220, 300] if args[0].endswith(".singlepulse"): filenmbase = args[0][:args[0].rfind(".singlepulse")] dosearch = False elif args[0].endswith(".dat"): filenmbase = args[0][:args[0].rfind(".dat")] else: filenmbase = args[0] # Don't do a search, just read results and plot if not dosearch: info, DMs, candlist, num_v_DMstr = \ read_singlepulse_files(args, opts.threshold, opts.T_start, opts.T_end) orig_N, orig_dt = int(info.N), info.dt obstime = orig_N * orig_dt else: DMs = [] candlist = [] num_v_DMstr = {} # Loop over the input files for filenm in args: if filenm.endswith(".dat"): filenmbase = filenm[:filenm.rfind(".dat")] else: filenmbase = filenm info = infodata.infodata(filenmbase+".inf") DMstr = "%.2f"%info.DM DMs.append(info.DM) N, dt = int(info.N), info.dt obstime = N * dt # Choose the maximum width to search based on time instead # of bins. This helps prevent increased S/N when the downsampling # changes as the DM gets larger. if opts.maxwidth > 0.0: downfacts = [x for x in default_downfacts if x*dt <= opts.maxwidth] else: downfacts = [x for x in default_downfacts if x <= max_downfact] if len(downfacts) == 0: downfacts = [default_downfacts[0]] if (filenm == args[0]): orig_N = N orig_dt = dt if info.breaks: offregions = zip([x[1] for x in info.onoff[:-1]], [x[0] for x in info.onoff[1:]]) # If last break spans to end of file, don't read it in (its just padding) if offregions[-1][1] == N - 1: N = offregions[-1][0] + 1 outfile = open(filenmbase+'.singlepulse', mode='w') # Compute the file length in detrendlens roundN = N/detrendlen * detrendlen numchunks = roundN / chunklen # Read in the file print 'Reading "%s"...'%filenm timeseries = Num.fromfile(filenm, dtype=Num.float32, count=roundN) # Split the timeseries into chunks for detrending numblocks = roundN/detrendlen timeseries.shape = (numblocks, detrendlen) stds = Num.zeros(numblocks, dtype=Num.float64) # de-trend the data one chunk at a time print ' De-trending the data and computing statistics...' for ii, chunk in enumerate(timeseries): if opts.fast: # use median removal instead of detrending (2x speedup) tmpchunk = chunk.copy() tmpchunk.sort() med = tmpchunk[detrendlen/2] chunk -= med tmpchunk -= med else: # The detrend calls are the most expensive in the program timeseries[ii] = scipy.signal.detrend(chunk, type='linear') tmpchunk = timeseries[ii].copy() tmpchunk.sort() # The following gets rid of (hopefully) most of the # outlying values (i.e. power dropouts and single pulses) # If you throw out 5% (2.5% at bottom and 2.5% at top) # of random gaussian deviates, the measured stdev is ~0.871 # of the true stdev. Thus the 1.0/0.871=1.148 correction below. # The following is roughly .std() since we already removed the median stds[ii] = Num.sqrt((tmpchunk[detrendlen/40:-detrendlen/40]**2.0).sum() / (0.95*detrendlen)) stds *= 1.148 # sort the standard deviations and separate those with # very low or very high values sort_stds = stds.copy() sort_stds.sort() # identify the differences with the larges values (this # will split off the chunks with very low and very high stds locut = (sort_stds[1:numblocks/2+1] - sort_stds[:numblocks/2]).argmax() + 1 hicut = (sort_stds[numblocks/2+1:] - sort_stds[numblocks/2:-1]).argmax() + numblocks/2 - 2 std_stds = scipy.std(sort_stds[locut:hicut]) median_stds = sort_stds[(locut+hicut)/2] print " pseudo-median block standard deviation = %.2f" % (median_stds) if (opts.badblocks): lo_std = median_stds - 4.0 * std_stds hi_std = median_stds + 4.0 * std_stds # Determine a list of "bad" chunks. We will not search these. bad_blocks = Num.nonzero((stds < lo_std) | (stds > hi_std))[0] print " identified %d bad blocks out of %d (i.e. %.2f%%)" % \ (len(bad_blocks), len(stds), 100.0*float(len(bad_blocks))/float(len(stds))) stds[bad_blocks] = median_stds else: bad_blocks = [] print " Now searching..." # Now normalize all of the data and reshape it to 1-D timeseries /= stds[:,Num.newaxis] timeseries.shape = (roundN,) # And set the data in the bad blocks to zeros # Even though we don't search these parts, it is important # because of the overlaps for the convolutions for bad_block in bad_blocks: loind, hiind = bad_block*detrendlen, (bad_block+1)*detrendlen timeseries[loind:hiind] = 0.0 # Convert to a set for faster lookups below bad_blocks = set(bad_blocks) # Step through the data dm_candlist = [] for chunknum in xrange(numchunks): loind = chunknum*chunklen-overlap hiind = (chunknum+1)*chunklen+overlap # Take care of beginning and end of file overlap issues if (chunknum==0): # Beginning of file chunk = Num.zeros(worklen, dtype=Num.float32) chunk[overlap:] = timeseries[loind+overlap:hiind] elif (chunknum==numchunks-1): # end of the timeseries chunk = Num.zeros(worklen, dtype=Num.float32) chunk[:-overlap] = timeseries[loind:hiind-overlap] else: chunk = timeseries[loind:hiind] # Make a set with the current block numbers lowblock = blocks_per_chunk * chunknum currentblocks = set(Num.arange(blocks_per_chunk) + lowblock) localgoodblocks = Num.asarray(list(currentblocks - bad_blocks)) - lowblock # Search this chunk if it is not all bad if len(localgoodblocks): # This is the good part of the data (end effects removed) goodchunk = chunk[overlap:-overlap] # need to pass blocks/chunklen, localgoodblocks # dm_candlist, dt, opts.threshold to cython routine # Search non-downsampled data first # NOTE: these nonzero() calls are some of the most # expensive calls in the program. Best bet would # probably be to simply iterate over the goodchunk # in C and append to the candlist there. hibins = Num.flatnonzero(goodchunk>opts.threshold) hivals = goodchunk[hibins] hibins += chunknum * chunklen hiblocks = hibins/detrendlen # Add the candidates (which are sorted by bin) for bin, val, block in zip(hibins, hivals, hiblocks): if block not in bad_blocks: time = bin * dt dm_candlist.append(candidate(info.DM, val, time, bin, 1)) # Now do the downsampling... for downfact in downfacts: if useffts: # Note: FFT convolution is faster for _all_ downfacts, even 2 chunk2 = Num.concatenate((Num.zeros(1000), chunk, Num.zeros(1000))) goodchunk = Num.convolve(chunk2, Num.ones(downfact), mode='same') / Num.sqrt(downfact) goodchunk = goodchunk[overlap:-overlap] #O qualcosa di simile, altrimenti non so perche' trova piu' candidati! Controllare! else: # The normalization of this kernel keeps the post-smoothing RMS = 1 kernel = Num.ones(downfact, dtype=Num.float32) / \ Num.sqrt(downfact) smoothed_chunk = scipy.signal.convolve(chunk, kernel, 1) goodchunk = smoothed_chunk[overlap:-overlap] #hibins = Num.nonzero(goodchunk>opts.threshold)[0] hibins = Num.flatnonzero(goodchunk>opts.threshold) hivals = goodchunk[hibins] hibins += chunknum * chunklen hiblocks = hibins/detrendlen hibins = hibins.tolist() hivals = hivals.tolist() # Now walk through the new candidates and remove those # that are not the highest but are within downfact/2 # bins of a higher signal pulse hibins, hivals = prune_related1(hibins, hivals, downfact) # Insert the new candidates into the candlist, but # keep it sorted... for bin, val, block in zip(hibins, hivals, hiblocks): if block not in bad_blocks: time = bin * dt bisect.insort(dm_candlist, candidate(info.DM, val, time, bin, downfact)) # Now walk through the dm_candlist and remove the ones that # are within the downsample proximity of a higher # signal-to-noise pulse dm_candlist = prune_related2(dm_candlist, downfacts) print " Found %d pulse candidates"%len(dm_candlist) # Get rid of those near padding regions if info.breaks: prune_border_cases(dm_candlist, offregions) # Write the pulses to an ASCII output file if len(dm_candlist): #dm_candlist.sort(cmp_sigma) outfile.write("# DM Sigma Time (s) Sample Downfact\n") for cand in dm_candlist: outfile.write(str(cand)) outfile.close() # Add these candidates to the overall candidate list for cand in dm_candlist: candlist.append(cand) num_v_DMstr[DMstr] = len(dm_candlist) if (opts.makeplot): # Step through the candidates to make a SNR list DMs.sort() snrs = [] for cand in candlist: if not Num.isinf(cand.sigma): snrs.append(cand.sigma) if snrs: maxsnr = max(int(max(snrs)), int(opts.threshold)) + 3 else: maxsnr = int(opts.threshold) + 3 # Generate the SNR histogram snrs = Num.asarray(snrs) (num_v_snr, lo_snr, d_snr, num_out_of_range) = \ scipy.stats.histogram(snrs, int(maxsnr-opts.threshold+1), [opts.threshold, maxsnr]) snrs = Num.arange(maxsnr-opts.threshold+1, dtype=Num.float64) * d_snr \ + lo_snr + 0.5*d_snr num_v_snr = num_v_snr.astype(Num.float32) num_v_snr[num_v_snr==0.0] = 0.001 # Generate the DM histogram num_v_DM = Num.zeros(len(DMs)) for ii, DM in enumerate(DMs): num_v_DM[ii] = num_v_DMstr["%.2f"%DM] DMs = Num.asarray(DMs) # open the plot device short_filenmbase = filenmbase[:filenmbase.find("_DM")] if opts.T_end > obstime: opts.T_end = obstime if pgplot_device: ppgplot.pgopen(pgplot_device) else: if (opts.T_start > 0.0 or opts.T_end < obstime): ppgplot.pgopen(short_filenmbase+'_%.0f-%.0fs_singlepulse.ps/VPS'% (opts.T_start, opts.T_end)) else: ppgplot.pgopen(short_filenmbase+'_singlepulse.ps/VPS') ppgplot.pgpap(7.5, 1.0) # Width in inches, aspect # plot the SNR histogram ppgplot.pgsvp(0.06, 0.31, 0.6, 0.87) ppgplot.pgswin(opts.threshold, maxsnr, Num.log10(0.5), Num.log10(2*max(num_v_snr))) ppgplot.pgsch(0.8) ppgplot.pgbox("BCNST", 0, 0, "BCLNST", 0, 0) ppgplot.pgmtxt('B', 2.5, 0.5, 0.5, "Signal-to-Noise") ppgplot.pgmtxt('L', 1.8, 0.5, 0.5, "Number of Pulses") ppgplot.pgsch(1.0) ppgplot.pgbin(snrs, Num.log10(num_v_snr), 1) # plot the DM histogram ppgplot.pgsvp(0.39, 0.64, 0.6, 0.87) # Add [1] to num_v_DM in YMAX below so that YMIN != YMAX when max(num_v_DM)==0 ppgplot.pgswin(min(DMs)-0.5, max(DMs)+0.5, 0.0, 1.1*max(num_v_DM+[1])) ppgplot.pgsch(0.8) ppgplot.pgbox("BCNST", 0, 0, "BCNST", 0, 0) ppgplot.pgmtxt('B', 2.5, 0.5, 0.5, "DM (pc cm\u-3\d)") ppgplot.pgmtxt('L', 1.8, 0.5, 0.5, "Number of Pulses") ppgplot.pgsch(1.0) ppgplot.pgbin(DMs, num_v_DM, 1) # plot the SNR vs DM plot ppgplot.pgsvp(0.72, 0.97, 0.6, 0.87) ppgplot.pgswin(min(DMs)-0.5, max(DMs)+0.5, opts.threshold, maxsnr) ppgplot.pgsch(0.8) ppgplot.pgbox("BCNST", 0, 0, "BCNST", 0, 0) ppgplot.pgmtxt('B', 2.5, 0.5, 0.5, "DM (pc cm\u-3\d)") ppgplot.pgmtxt('L', 1.8, 0.5, 0.5, "Signal-to-Noise") ppgplot.pgsch(1.0) cand_ts = Num.zeros(len(candlist), dtype=Num.float32) cand_SNRs = Num.zeros(len(candlist), dtype=Num.float32) cand_DMs = Num.zeros(len(candlist), dtype=Num.float32) for ii, cand in enumerate(candlist): cand_ts[ii], cand_SNRs[ii], cand_DMs[ii] = \ cand.time, cand.sigma, cand.DM ppgplot.pgpt(cand_DMs, cand_SNRs, 20) # plot the DM vs Time plot ppgplot.pgsvp(0.06, 0.97, 0.08, 0.52) ppgplot.pgswin(opts.T_start, opts.T_end, min(DMs)-0.5, max(DMs)+0.5) ppgplot.pgsch(0.8) ppgplot.pgbox("BCNST", 0, 0, "BCNST", 0, 0) ppgplot.pgmtxt('B', 2.5, 0.5, 0.5, "Time (s)") ppgplot.pgmtxt('L', 1.8, 0.5, 0.5, "DM (pc cm\u-3\d)") # Circles are symbols 20-26 in increasing order snr_range = 12.0 cand_symbols = (cand_SNRs-opts.threshold)/snr_range * 6.0 + 20.5 cand_symbols = cand_symbols.astype(Num.int32) cand_symbols[cand_symbols>26] = 26 for ii in [26, 25, 24, 23, 22, 21, 20]: inds = Num.nonzero(cand_symbols==ii)[0] ppgplot.pgpt(cand_ts[inds], cand_DMs[inds], ii) # Now fill the infomation area ppgplot.pgsvp(0.05, 0.95, 0.87, 0.97) ppgplot.pgsch(1.0) ppgplot.pgmtxt('T', 0.5, 0.0, 0.0, "Single pulse results for '%s'"%short_filenmbase) ppgplot.pgsch(0.8) # first row ppgplot.pgmtxt('T', -1.1, 0.02, 0.0, 'Source: %s'%\ info.object) ppgplot.pgmtxt('T', -1.1, 0.33, 0.0, 'RA (J2000):') ppgplot.pgmtxt('T', -1.1, 0.5, 0.0, info.RA) ppgplot.pgmtxt('T', -1.1, 0.73, 0.0, 'N samples: %.0f'%orig_N) # second row ppgplot.pgmtxt('T', -2.4, 0.02, 0.0, 'Telescope: %s'%\ info.telescope) ppgplot.pgmtxt('T', -2.4, 0.33, 0.0, 'DEC (J2000):') ppgplot.pgmtxt('T', -2.4, 0.5, 0.0, info.DEC) ppgplot.pgmtxt('T', -2.4, 0.73, 0.0, 'Sampling time: %.2f \gms'%\ (orig_dt*1e6)) # third row if info.instrument.find("pigot") >= 0: instrument = "Spigot" else: instrument = info.instrument ppgplot.pgmtxt('T', -3.7, 0.02, 0.0, 'Instrument: %s'%instrument) if (info.bary): ppgplot.pgmtxt('T', -3.7, 0.33, 0.0, 'MJD\dbary\u: %.12f'%info.epoch) else: ppgplot.pgmtxt('T', -3.7, 0.33, 0.0, 'MJD\dtopo\u: %.12f'%info.epoch) ppgplot.pgmtxt('T', -3.7, 0.73, 0.0, 'Freq\dctr\u: %.1f MHz'%\ ((info.numchan/2-0.5)*info.chan_width+info.lofreq)) ppgplot.pgiden() ppgplot.pgend()
# Give z and w values and power change ppgplot.pgsvp(margin + imfract, 1.0 - margin / 2, margin + imfract, 1.0 - margin / 2) ppgplot.pgswin(0.0, 1.0, 0.0, 1.0) ppgplot.pgtext(0.1, 0.8, "Frac Recovered" % frp) ppgplot.pgtext(0.2, 0.65, "Power = %.3f" % frp) ppgplot.pgtext(0.1, 0.4, "signal z = %.1f" % z) ppgplot.pgtext(0.1, 0.25, "signal w = %.1f" % w) # freq cut ppgplot.pgsvp(margin, margin + imfract, margin + imfract, 1.0 - margin / 2) ppgplot.pgswin(min(rs), max(rs), -0.1, 1.1) ppgplot.pgbox("BCST", 0.0, 0, "BCNST", 0.0, 0) ppgplot.pgline(rs, freqcut) ppgplot.pgmtxt("L", 2.0, 0.5, 0.5, "Relative Power") #fdot cut ppgplot.pgsvp(margin + imfract, 1.0 - margin / 2, margin, margin + imfract) ppgplot.pgswin(-0.1, 1.1, min(zs), max(zs)) ppgplot.pgbox("BCNST", 0.0, 0, "BCST", 0.0, 0) ppgplot.pgline(fdotcut, zs) ppgplot.pgmtxt("B", 2.4, 0.5, 0.5, "Relative Power") # f-fdot image ppgplot.pgsvp(margin, margin + imfract, margin, margin + imfract) ppgplot.pgswin(min(rs), max(rs), min(zs), max(zs)) ppgplot.pgmtxt("B", 2.4, 0.5, 0.5, labx) ppgplot.pgmtxt("L", 2.0, 0.5, 0.5, laby) lo_col_ind, hi_col_ind = ppgplot.pgqcol() lo_col_ind = lo_col_ind + 2