示例#1
0
    def pre(self, event):
        global l

        if cp.plot_vers == 2:
            if haveImCube: self.ax3.remove()
            #fx.visual()

        if cp.plot_vers == 3:
            self.ax4.remove()
            self.cbar2.remove()
            self.axslider2.remove()
            #fx.visual()
            self.ax2setup()

        if cp.plot_vers != 1:
            cp.plot_vers = 1

            if 'ix' not in globals():
                global ix, iy
                ix = spectra.shape[1] // 2
                iy = spectra.shape[0] // 2

            spec = np.array(spectra[iy][ix])

            self.ax1.scatter(ix,
                             iy,
                             s=200,
                             marker='x',
                             c='white',
                             linewidth=2.5)

            self.ax2_title.set_text('Pixel (%ix , %iy): Spectra' % (ix, iy))
            self.curveSpec.set_ydata(spec)

            param = fx.paramSliders()

            #s = M2(freqs, *param)

            self.curveM2.set_ydata(M2(freqs, *param))
            self.curveM1.set_ydata(M1(freqs, *param[:3]))
            self.curveLorentz.set_ydata(m2(freqs, *param[3:6]))
            #l, = ax2.loglog(freqs, s, lw=1.5, color='red')

            plt.text(0.05, 11.5,
                     "*Using parameters found in: '%s'" % param_dir)

            self.axreload = plt.axes([0.83, 0.18, 0.05, 0.05])
            self.axsaveFig = plt.axes([0.83, 0.11, 0.05, 0.05])
            self.axreset = plt.axes([0.83, 0.04, 0.05, 0.05])

            self.breload = Button(self.axreload, 'Reload')
            self.breload.on_clicked(fx.reload)
            self.bsaveFig = Button(self.axsaveFig, 'Save')
            self.bsaveFig.on_clicked(fx.saveFig)
            self.breset = Button(self.axreset, 'Reset')
            self.breset.on_clicked(fx.reset)
示例#2
0
 def update2(self):
     params = np.zeros((len(fx.axsliders)))
 
     for i in range(len(fx.axsliders)):
         params[i] = fx.fnsliders[i].val
         fx.fnsliders[i].valtext.set_text(text[i] % params[i])
      
     cp.curveM2.set_ydata(M2(freqs, *params))
     cp.curveM1.set_ydata(M1(freqs, *params[:3]))
     cp.curveLorentz.set_ydata(m2(freqs, *params[3:6]))  
示例#3
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    def timeSeries(self, event):
        global slid_mask
    
        if cp.plot_vers == 1:
            for slider in fx.axsliders:
                slider.remove()
            for axesObj in [self.axreload, self.axsaveFig, self.axreset]:
                axesObj.remove()
            
        if cp.plot_vers == 2:  pass  # maybe just: if cp.plot_vers != 2:

        else:  
            if cp.plot_vers == 3:
                self.ax4.remove()
                self.cbar2.remove()
                self.axslider2.remove()
                #fx.visual()
            
            cp.plot_vers = 2
            
            if 'ix' not in globals():
                global ix, iy
                ix = spectra.shape[1]//2
                iy = spectra.shape[0]//2
            
            self.ax1.scatter(ix, iy, s=200, marker='x', c='white', linewidth=2.5)
            
            self.ax2setup()
            
            if haveImCube:
                # ax3: displays pixel timeseries
                self.ax3 = plt.subplot2grid((31,31),(22, 1), colspan=29, rowspan=8)
                self.ax3_title = self.ax3.set_title('Pixel (%ix , %iy): Timeseries' % (ix, iy), fontsize=fontSize)
                self.ax3.set_xlabel('Time', fontsize=fontSize, labelpad=5)
                self.ax3.set_ylabel('Intensity', fontsize=fontSize, labelpad=5)
                self.ax3.set_xlim(timestamps[0]-0.01*t_range, timestamps[-1]+0.01*t_range) 
                
                self.ts, = self.ax3.plot(timestamps, emptyTimeseries, 'k')
                
                timeseries = np.array(imCube[iy+1][ix+1] / exposures)
                  
                self.ts.set_ydata(timeseries)  
                self.ax3.set_ylim(timeseries.min()*0.9, timeseries.max()*1.1) 
                
            spec = np.array(spectra[iy][ix])
                
            self.ax2_title.set_text('Pixel (%ix , %iy): Spectra' % (ix, iy))
            self.curveSpec.set_ydata(spec)
            
            if haveParam:
                cp.curveM2.set_ydata(M2(freqs, *h_map[iy,ix,:6]))
                cp.curveM1.set_ydata(M1(freqs, *h_map[iy,ix,:3]))
                cp.curveLorentz.set_ydata(m2(freqs, *h_map[iy,ix,3:6]))
示例#4
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def update2(val):
    params = np.zeros((len(axsliders)))

    for i in range(len(axsliders)):
        params[i] = fnsliders[i].val
        fnsliders[i].valtext.set_text(text[i] % params[i])
        """
        if i == 0:
            params[i] = 10**fnsliders[i].val
        else:
            params[i] = fnsliders[i].val
        if i == 4:
            fnsliders[i].valtext.set_text(text[i] % (1./(np.exp(params[4])*60.)))
        else:
            fnsliders[i].valtext.set_text(text[i] % params[i])
        """

    s = M2(freqs, *params)

    #l.set_ydata(s)
    curveM2.set_ydata(s)
    curveM1.set_ydata(M1(freqs, *params[:3]))
    curveLorentz.set_ydata(m2(freqs, *params[3:6]))
示例#5
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def onclick(event):
    #global ix, iy
    ixx, iyy = event.xdata, event.ydata
    
    if event.inaxes == cp.ax1:
        global ix, iy
        del cp.ax1.collections[:]
        plt.draw()
        
        if cp.spec_hist == 'hist':
            cp.ax2setup()
            cp.spec_hist = 'spec'

        #print("location: (%fx, %fy)" % (ixx, iyy))        
        #print("location: (%ix, %iy)" % (ixx, iyy))
        ix = int(round(ixx))
        iy = int(round(iyy))
        
        s = np.array(spectra[iy][ix])
        
        if specVis_fit == True:
            # use 3x3 pixel-box std.dev. or adhoc method for fitting uncertainties
            if spec_unc == 'stddev':
                ds = np.array(stdDev[iy][ix])
            elif spec_unc == 'adhoc':
                ds = ds0
            specFit(s, ds)
        
        # update subplots
        cp.ax1.scatter(ix, iy, s=200, marker='x', c='white', linewidth=2.5)
        
        cp.ax2_title.set_text('Pixel (%ix , %iy): Spectra' % (ix, iy))

        cp.curveSpec.set_ydata(s)
        
        # update spectra and timeseries
        if cp.plot_vers == 2:
            if haveImCube:
                timeseries = np.array(imCube[iy+1][ix+1] / exposures)
                cp.ts.set_ydata(timeseries)  
                cp.ax3.set_ylim(timeseries.min()*0.9, timeseries.max()*1.1)  
                cp.ax3_title.set_text('Pixel (%ix , %iy): Timeseries' % (ix, iy))
            if haveParam:
                cp.curveM2.set_ydata(M2(freqs, *h_map[iy,ix,:6]))
                cp.curveM1.set_ydata(M1(freqs, *h_map[iy,ix,:3]))
                cp.curveLorentz.set_ydata(m2(freqs, *h_map[iy,ix,3:6]))
        
        # update spectra and model sliders
        if cp.plot_vers == 1:
            
            for slider in fx.axsliders:
                slider.remove()
            
            param = fx.paramSliders()
            
            plt.text(0.05, 11.5, "*Using parameters found in: '%s'" % param_dir)
            
            s = M2(freqs, *param)
            #l.set_ydata(s)
            cp.curveM2.set_ydata(s)
            cp.curveM1.set_ydata(M1(freqs, *param[:3]))
            cp.curveLorentz.set_ydata(m2(freqs, *param[3:6]))
示例#6
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def specFit(s, ds):
    ## fit data to combined power law plus gaussian component model       
    try:
        m1_param = Fit(M1, freqs, s, p0=M1_guess, bounds=(M1_low, M1_high), 
                      sigma=ds, method='dogbox')[0]
      
    except RuntimeError: print("Error M1 - curve_fit failed")
    except ValueError: print("Error M1 - inf/NaN")
    
    A, n, C = m1_param  # unpack model parameters
     
   
    try:                                                          
        m2_param0 = Fit(M2, freqs, s, p0=M2_guess, bounds=(M2_low, M2_high), 
                       sigma=ds, method='dogbox', max_nfev=3000)[0]
    
    except RuntimeError: print("Error M2 - curve_fit failed")
    except ValueError: print("Error M2 - inf/NaN")

    
    #A2, n2, C2, P2, fp2, fw2 = m2_param0
    #print nlfit_gp
           
    try:   
        m2_param = Fit(M2, freqs, s, p0=m2_param0, bounds=(M2_low, M2_high),
                        sigma=ds, max_nfev=3000)[0]    
       
    except RuntimeError: print("Error M2 - curve_fit failed")
    except ValueError: print("Error M2 - inf/NaN")
    
    A22, n22, C22, P22, fp22, fw22 = m2_param     
    #print m2_param
                   
    # create models from parameters    
    m1_fit = M1(freqs, *m1_param)    
    lorentz = m2(freqs, P22, fp22, fw22)
    m2_fit2 = M2(freqs, *m2_param) 
    m1_fit2 = M1(freqs, A22, n22, C22)      
    
    """
    residsM1 = (s - m1_fit)
    chisqrM1 =  ((residsM1/ds)**2).sum() 
    
    residsM22 = (s - m2_fit2)
    chisqrM22 = ((residsM22/ds)**2).sum()
    redchisqrM22 = ((residsM22/ds)**2).sum()/float(freqs.size-6) 
          
    f_test2 = ((chisqrM1-chisqrM22)/(6-3))/((chisqrM22)/(freqs.size-6))
    
    dof1, dof2 = 3, 6  # degrees of freedom for model M1, M2
    #p_val = ff.sf(f_test2, dof1, dof2)
    
    # extract the lorentzian amplitude scaling factor
    amp_scale2 = M1(np.exp(fp22), A22, n22, C22)  
    """
    
    fwhm = (1. / (np.exp(fp22+fw22) - np.exp(fp22-fw22))) / 60.
    
    pLoc = (1./np.exp(fp22))/60.
    
    #curveM1A.set_ydata(m1_fit)
    curveM2.set_ydata(m2_fit2)
    curveM1.set_ydata(m1_fit2)
    curveLorentz.set_ydata(lorentz)
    
    p_index.set_text(r'$n$ = {0:0.2f}'.format(n22))
    p_amp.set_text(r'$\alpha$ = {0:0.2e}'.format(P22))
    p_loc.set_text(r'$\beta$ = {0:0.1f} [min]'.format(pLoc))
    p_wid.set_text(r'$FWHM$ = {0:0.1f} [min]'.format(fwhm))  
示例#7
0
def onclick(event):
    #global ix, iy
    global fnsliders
    global axsliders
    ixx, iyy = event.xdata, event.ydata

    if event.inaxes == ax1:
        global ix, iy
        del ax1.collections[:]
        plt.draw()

        #print("location: (%fx, %fy)" % (ixx, iyy))
        #print("location: (%ix, %iy)" % (ixx, iyy))
        ix = int(round(ixx))
        iy = int(round(iyy))

        #print(spectra)
        s = np.array(spectra[iy][ix])

        if specVis_fit == True:
            # use 3x3 pixel-box std.dev. or adhoc method for fitting uncertainties
            if spec_unc == 'stddev':
                ds = np.array(stdDev[iy][ix])
            elif spec_unc == 'adhoc':
                ds = ds0
            specFit(s, ds)

        # update subplots
        ax1.scatter(ix, iy, s=200, marker='x', c='white', linewidth=2.5)

        title.set_text('Pixel (%ix , %iy): Spectra' % (ix, iy))

        curveSpec.set_ydata(s)

        timeseries = np.array(imCube[iy + 1][ix + 1] / exposures)

        if toggle3 == 2:
            ts.set_ydata(timeseries)
            ax3.set_ylim(timeseries.min() * 0.9, timeseries.max() * 1.1)
            title3.set_text('Pixel (%ix , %iy): Timeseries' % (ix, iy))
            if haveParam:
                curveM2.set_ydata(M2(freqs, *h_map[iy, ix, :6]))
                curveM1.set_ydata(M1(freqs, *h_map[iy, ix, :3]))
                curveLorentz.set_ydata(m2(freqs, *h_map[iy, ix, 3:6]))

        if toggle3 == 1:

            for slider in axsliders:
                slider.remove()

            axsliders = []
            fnsliders = []

            if haveParam:
                param = h_map[iy, ix, :6]
            else:
                param = (np.array(M2_low) + np.array(M2_high)) / 2

            # make parameter sliders
            for i, M2_label in enumerate(M2_labels):
                axsliders.append(plt.axes([0.15, 0.23 - (0.04 * i), 0.6,
                                           0.02]))
                fnsliders.append(
                    Slider(axsliders[i], M2_label, M2_low[i], M2_high[i],
                           param[i]))
                fnsliders[i].on_changed(update2)
                fnsliders[i].valtext.set_text(text[i] % param[i])

            plt.text(0.05, 11.5,
                     "*Using parameters found in: '%s'" % param_dir)

            s = M2(freqs, *param)
            #l.set_ydata(s)
            curveM2.set_ydata(s)
            curveM1.set_ydata(M1(freqs, *param[:3]))
            curveLorentz.set_ydata(m2(freqs, *param[3:6]))