コード例 #1
0
ファイル: photoz.py プロジェクト: jkmatharu/grizli
def show_all_thumbnails(label='j022708p4901_00273', filters=['f775w', 'f814w', 'f098m', 'f105w', 'f110w', 'f125w', 'f140w', 'f160w'], scale_ab=21, close=True):
    """
    Show individual filter and RGB thumbnails
    """
    from astropy.visualization import make_lupton_rgb
    import matplotlib.pyplot as plt

    #from PIL import Image

    ims = {}
    for filter in filters:
        drz_files = glob.glob('{0}-{1}*_dr*sci.fits'.format(label, filter))
        if len(drz_files) > 0:
            im = pyfits.open(drz_files[0])
            ims[filter] = im

    slx, sly, filts, fig = auto_script.field_rgb(root=label, xsize=4, output_dpi=None, HOME_PATH=None, show_ir=False, pl=1, pf=1, scl=1, rgb_scl=[1, 1, 1], ds9=None, force_ir=False, filters=ims.keys(), add_labels=False, output_format='png', rgb_min=-0.01, xyslice=None, pure_sort=False, verbose=True, force_rgb=None, suffix='.rgb', scale_ab=scale_ab)
    if close:
        plt.close()

    #rgb = np.array(Image.open('{0}.rgb.png'.format(label)))
    rgb = plt.imread('{0}.rgb.png'.format(label))

    NX = (len(filters)+1)
    fig = plt.figure(figsize=[1.5*NX, 1.5])
    ax = fig.add_subplot(1, NX, NX)
    ax.imshow(rgb, origin='upper', interpolation='nearest')
    ax.text(0.5, 0.95, label, ha='center', va='top', transform=ax.transAxes, fontsize=7, bbox=dict(facecolor='w', edgecolor='None', alpha=0.5))

    for i, filter in enumerate(filters):
        if filter in ims:
            zp_i = utils.calc_header_zeropoint(ims[filter], ext=0)
            scl = 10**(-0.4*(zp_i-5-scale_ab))
            img = ims[filter][0].data*scl
            image = make_lupton_rgb(img, img, img, stretch=0.1, minimum=-0.01)

            ax = fig.add_subplot(1, NX, i+1)
            ax.imshow(255-image, origin='lower', interpolation='nearest')

            ax.text(0.5, 0.95, filter, ha='center', va='top', transform=ax.transAxes, fontsize=7, bbox=dict(facecolor='w', edgecolor='None', alpha=0.5))

    for ax in fig.axes:
        ax.set_xticklabels([])
        ax.set_yticklabels([])
        ax.set_xticks([])
        ax.set_yticks([])

    fig.tight_layout(pad=0.1)

    fig.savefig('{0}.thumb.png'.format(label))
    if close:
        plt.close()
コード例 #2
0
ファイル: photoz.py プロジェクト: gbrammer/grizli
def show_all_thumbnails(label='j022708p4901_00273', filters=['f775w','f814w','f098m','f105w','f110w','f125w','f140w','f160w'], scale_ab=21, close=True):
    """
    Show individual filter and RGB thumbnails
    """
    from astropy.visualization import make_lupton_rgb
    from PIL import Image
    
    ims = {}
    for filter in filters:
        drz_files = glob.glob('{0}-{1}*_dr*sci.fits'.format(label, filter))
        if len(drz_files) > 0:
            im = pyfits.open(drz_files[0])
            ims[filter] = im
            
    slx, sly, filts, fig = auto_script.field_rgb(root=label, xsize=4, output_dpi=None, HOME_PATH=None, show_ir=False, pl=1, pf=1, scl=1, rgb_scl=[1, 1, 1], ds9=None, force_ir=False, filters=ims.keys(), add_labels=False, output_format='png', rgb_min=-0.01, xyslice=None, pure_sort=False, verbose=True, force_rgb=None, suffix='.rgb', scale_ab=scale_ab)
    if close:
        plt.close()
    
    rgb = np.array(Image.open('{0}.rgb.png'.format(label)))
    
    NX = (len(filters)+1)
    fig = plt.figure(figsize=[1.5*NX,1.5])
    ax = fig.add_subplot(1,NX,NX)
    ax.imshow(rgb, origin='upper', interpolation='nearest')
    ax.text(0.5, 0.95, label, ha='center', va='top', transform=ax.transAxes, fontsize=7, bbox=dict(facecolor='w', edgecolor='None', alpha=0.5))
    
    for i, filter in enumerate(filters):
        if filter in ims:
            zp_i = utils.calc_header_zeropoint(ims[filter], ext=0)
            scl = 10**(-0.4*(zp_i-5-scale_ab))
            img = ims[filter][0].data*scl
            image = make_lupton_rgb(img, img, img, stretch=0.1, minimum=-0.01)
            
            ax = fig.add_subplot(1,NX,i+1)
            ax.imshow(255-image, origin='lower', interpolation='nearest')
            
            ax.text(0.5, 0.95, filter, ha='center', va='top', transform=ax.transAxes, fontsize=7, bbox=dict(facecolor='w', edgecolor='None', alpha=0.5))
    
    for ax in fig.axes:
        ax.set_xticklabels([])
        ax.set_yticklabels([])
        ax.set_xticks([])
        ax.set_yticks([])
    
    fig.tight_layout(pad=0.1)
    
    fig.savefig('{0}.thumb.png'.format(label))
    if close:
        plt.close()
コード例 #3
0
def show_all_thumbnails(label='j022708p4901_00273', filters=['vis','f098m','f105w','f110w','f125w','f140w','f160w'], scale_ab=21, close=True, thumb_height=2., rgb_params=RGB_PARAMS):
    """
    Show individual filter and RGB thumbnails
    """
    import glob

    #from PIL import Image
    
    import numpy as np
    import matplotlib.pyplot as plt
    
    import astropy.io.fits as pyfits
    from astropy.visualization import make_lupton_rgb
    from grizli.pipeline import auto_script
    from grizli import utils
    
    all_files = glob.glob('{0}-f*sci.fits'.format(label))
    all_filters = [f.split('_dr')[0].split('-')[-1] for f in all_files]
    
    ims = {}
    for filter in filters:
        drz_files = glob.glob('{0}-{1}*_dr*sci.fits'.format(label, filter))
        if len(drz_files) > 0:
            im = pyfits.open(drz_files[0])
            ims[filter] = im
    
    rgb_params['scale_ab'] = scale_ab
            
    slx, sly, rgb_filts, fig = auto_script.field_rgb(root=label, HOME_PATH=None, **rgb_params) #xsize=4, output_dpi=None, HOME_PATH=None, show_ir=False, pl=1, pf=1, scl=1, rgb_scl=[1, 1, 1], ds9=None, force_ir=False, filters=all_filters, add_labels=False, output_format='png', rgb_min=-0.01, xyslice=None, pure_sort=False, verbose=True, force_rgb=None, suffix='.rgb', scale_ab=scale_ab)
    if close:
        plt.close()
    
    filter_queries = {}
    filter_queries['vis'] = '{0}-f[3-8]*sci.fits'.format(label)
    filter_queries['y'] = '{0}-f[01][90][85]*sci.fits'.format(label)
    filter_queries['j'] = '{0}-f1[12][05]*sci.fits'.format(label)
    filter_queries['h'] = '{0}-f1[64]0*sci.fits'.format(label)
    
    if 'vis' in filters:
        drz_files = glob.glob('{0}-f[3-8]*sci.fits'.format(label))
        drz_files.sort()
        vis_filters = [f.split('_dr')[0].split('-')[-1] for f in drz_files]
        
        if len(drz_files) > 0:
            drz_files.sort()
            
            for i, file in enumerate(drz_files[::-1]):
                drz = pyfits.open(file)
                wht = pyfits.open(file.replace('_sci','_wht'))
                if i == 0:
                    photflam = drz[0].header['PHOTFLAM']
                
                    num = drz[0].data*wht[0].data
                    den = wht[0].data
                    drz_ref = drz
                    drz_ref[0].header['FILTER{0}'.format(i+1)] = utils.get_hst_filter(drz[0].header)
                    
                else:
                    scl = drz[0].header['PHOTFLAM']/photflam
                    num += drz[0].data*wht[0].data/scl
                    den += wht[0].data/scl**2
                    
                    drz_ref[0].header['FILTER{0}'.format(i+1)] = utils.get_hst_filter(drz[0].header)
                    
            sci = num/den
            sci[den == 0] = 0
            drz_ref[0].data  = sci
            ims['vis'] = drz_ref
            
            pyfits.writeto('{0}-{1}_drz_sci.fits'.format(label, 'vis'), 
                           data=sci, header=drz_ref[0].header, overwrite=True, 
                           output_verify='fix')
            
            pyfits.writeto('{0}-{1}_drz_wht.fits'.format(label, 'vis'), 
                           data=den, header=drz_ref[0].header, overwrite=True, 
                           output_verify='fix')
            
    #rgb = np.array(Image.open('{0}.rgb.png'.format(label)))
    rgb = plt.imread('{0}.rgb.png'.format(label))
    
    NX = (len(filters)+1)
    fig = plt.figure(figsize=[thumb_height*NX, thumb_height])
    ax = fig.add_subplot(1,NX,NX)
    ax.imshow(rgb, origin='upper', interpolation='nearest')
    ax.text(0.05, 0.95, label, ha='left', va='top', transform=ax.transAxes, fontsize=7, color='w', bbox=dict(facecolor='k', edgecolor='None', alpha=0.8))
    ax.text(0.05, 0.05, ' '.join(rgb_filts), ha='left', va='bottom', transform=ax.transAxes, fontsize=6, color='w', bbox=dict(facecolor='k', edgecolor='None', alpha=0.8))
    
    for i, filter in enumerate(filters):
        if filter in ims:
            zp_i = utils.calc_header_zeropoint(ims[filter], ext=0)
            scl = 10**(-0.4*(zp_i-5-scale_ab))
            img = ims[filter][0].data*scl

            image = make_lupton_rgb(img, img, img, stretch=0.1, minimum=-0.01)
            
            ax = fig.add_subplot(1,NX,i+1)
            ax.imshow(255-image, origin='lower', interpolation='nearest')
            
            if filter == 'vis':
                ax.text(0.05, 0.95, '+'.join(vis_filters), ha='left', va='top', transform=ax.transAxes, fontsize=7, bbox=dict(facecolor='w', edgecolor='None', alpha=0.9))
            else:
                ax.text(0.05, 0.95, filter, ha='left', va='top', transform=ax.transAxes, fontsize=7, bbox=dict(facecolor='w', edgecolor='None', alpha=0.9))
    
    for ax in fig.axes:
        ax.set_xticklabels([])
        ax.set_yticklabels([])
        ax.set_xticks([])
        ax.set_yticks([])
    
    fig.tight_layout(pad=0.1)
    
    fig.savefig('{0}.thumb.png'.format(label))
    if close:
        plt.close()
コード例 #4
0
ファイル: aws_drizzler.py プロジェクト: jkmatharu/grizli
def show_all_thumbnails(label='j022708p4901_00273', filters=['visb', 'visr', 'y', 'j', 'h'], scale_ab=21, close=True, thumb_height=2., rgb_params=RGB_PARAMS, ext='png', xl=0.04, yl=0.98, fs=7):
    """
    Show individual filter and RGB thumbnails
    """
    import glob

    #from PIL import Image

    import numpy as np
    import matplotlib.pyplot as plt

    import astropy.io.fits as pyfits
    from astropy.visualization import make_lupton_rgb
    from grizli.pipeline import auto_script
    from grizli import utils

    all_files = glob.glob('{0}-f*sci.fits'.format(label))
    all_filters = [f.split('_dr')[0].split('-')[-1] for f in all_files]

    ims = {}
    for filter in filters:
        drz_files = glob.glob('{0}-{1}*_dr*sci.fits'.format(label, filter))
        if len(drz_files) > 0:
            im = pyfits.open(drz_files[0])
            ims[filter] = im

    rgb_params['scale_ab'] = scale_ab

    slx, sly, rgb_filts, fig = auto_script.field_rgb(root=label, HOME_PATH=None, **rgb_params)  # xsize=4, output_dpi=None, HOME_PATH=None, show_ir=False, pl=1, pf=1, scl=1, rgb_scl=[1, 1, 1], ds9=None, force_ir=False, filters=all_filters, add_labels=False, output_format='png', rgb_min=-0.01, xyslice=None, pure_sort=False, verbose=True, force_rgb=None, suffix='.rgb', scale_ab=scale_ab)
    if close:
        plt.close()

    #rgb = np.array(Image.open('{0}.rgb.png'.format(label)))
    rgb = plt.imread('{0}.rgb.png'.format(label))

    NX = (len(filters)+1)
    fig = plt.figure(figsize=[thumb_height*NX, thumb_height])
    ax = fig.add_subplot(1, NX, NX)
    ax.imshow(rgb, origin='upper', interpolation='nearest')
    # ax.text(0.05, 0.95, label, ha='left', va='top', transform=ax.transAxes, fontsize=7, color='w', bbox=dict(facecolor='k', edgecolor='None', alpha=0.8))
    # ax.text(0.05, 0.05, ' '.join(rgb_filts), ha='left', va='bottom', transform=ax.transAxes, fontsize=6, color='w', bbox=dict(facecolor='k', edgecolor='None', alpha=0.8))

    for i, filter in enumerate(filters):
        if filter in ims:
            zp_i = utils.calc_header_zeropoint(ims[filter], ext=0)
            scl = 10**(-0.4*(zp_i-5-scale_ab))
            pixscl = utils.get_wcs_pscale(ims[filter][0].header.copy())
            scl *= (0.06/pixscl)**2

            img = ims[filter][0].data*scl

            image = make_lupton_rgb(img, img, img, stretch=0.1, minimum=-0.01)

            ax = fig.add_subplot(1, NX, i+1)
            ax.imshow(255-image, origin='lower', interpolation='nearest')

    for ax in fig.axes:
        ax.set_xticklabels([])
        ax.set_yticklabels([])
        ax.set_xticks([])
        ax.set_yticks([])

    fig.tight_layout(pad=0.1)

    # Add labels
    #xl, yl = 0.04, 0.98
    for i, filter in enumerate(filters):
        if filter in ims:
            if filter in ['uv', 'visb', 'visr', 'y', 'j', 'h']:
                grouped_filters = []
                h_i = ims[filter][0].header
                for j in range(h_i['NCOMBINE']):
                    grouped_filters.append(h_i['CFILT{0}'.format(j+1)])

                text_label = '+'.join(grouped_filters)
            else:
                text_label = filter

            fig.text((i+xl)/NX, yl, text_label, fontsize=fs,
                     ha='left', va='top', transform=fig.transFigure,
                     bbox=dict(facecolor='w', edgecolor='None', alpha=0.9))

    fig.text((i+1+xl)/NX, yl, label, ha='left', va='top', transform=fig.transFigure, fontsize=fs, color='w', bbox=dict(facecolor='k', edgecolor='None', alpha=0.8))
    fig.text((i+1+0.04)/NX, 1-yl, ' '.join(rgb_filts), ha='left', va='bottom', transform=fig.transFigure, fontsize=fs, color='w', bbox=dict(facecolor='k', edgecolor='None', alpha=0.8))

    fig.savefig('{0}.thumb.{1}'.format(label, ext))
    if close:
        plt.close()

    return fig