Gallery: PHOEBE Meshes

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import autofig
import numpy as np
import phoebe # PHOEBE 2.1


    

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#autofig.inline()


    

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times = np.linspace(0,1,21)

# create an "interesting" system in PHOEBE
b = phoebe.default_binary()
b.set_value('incl@orbit', 75)
b.set_value('q', 0.5)
b.set_value('requiv@secondary', 0.6)

# add datasets and compute the model
b.add_dataset('orb', times=times)
b.add_dataset('rv', times=times, dataset='rv01')
b.add_dataset('mesh', times=[], include_times=['rv01'], columns=['rvs@rv01'])
b.run_compute(irrad_method='none')


    

    
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<ParameterSet: 146 parameters | kinds: rv, mesh, orb>

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autofig.reset()

for c in ['primary', 'secondary']:
    xs = b.get_value(component=c, qualifier='us', context='model', kind='orb')
    ys = b.get_value(component=c, qualifier='vs', context='model', kind='orb')
    zs = b.get_value(component=c, qualifier='ws', context='model', kind='orb')
    rvs = b.get_value(component=c, qualifier='rvs', context='model', kind='rv')
        
    # plot the orbit with RV as the color
    autofig.plot(xs, ys, zs, i=times,
                 xlabel='x', xunit='solRad',
                 ylabel='y', yunit='solRad',
                 c=rvs, cmap='bwr', clabel='rv', cunit='solRad/d',
                 s=0.03, highlight=False,
                 uncover=True, trail=0.3,
                 linestyle='solid', marker='none')


    autofig.plot(times, rvs, i='x',
                 xlabel='time', xunit='d',
                 ylabel='rv', yunit='solRad/d',
                 c=rvs, cmap='bwr', clabel='rv', cunit='solRad/d',
                 s=0.03, highlight_size=0.05,
                 linestyle='solid', marker='none')
    
    for t in times:
        verts = b.get_value(time=t, component=c, qualifier='uvw_elements', context='model')
        rvs = b.get_value(time=t, component=c, qualifier='rvs', context='model')
        xs = verts[:, :, 0]
        ys = verts[:, :, 1]
        zs = verts[:, :, 2]
                     
        # plot the mesh at this time, with RV as facecolor
        autofig.mesh(x=xs, y=ys, z=zs, i=t,
                     xlabel='x', xunit='solRad', 
                     ylabel='y', yunit='solRad',
                     fc=rvs, fcmap='bwr', fclim='symmetric', fclabel='rv', fcunit='solRad/d', 
                     ec='none')
        

        
mplfig = autofig.draw(i=times[5], save='phoebe_meshes.png')


    

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autofig.gcf().axes.pad_aspect=False


    

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anim = autofig.animate(i=times, tight_layout=False,
                       save='phoebe_meshes.gif', save_kwargs={'writer': 'imagemagick'})


    

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