Example #1
0
def potential_plot(env,
                   model,
                   obj_index,
                   src_index,
                   with_colorbar=True,
                   with_contours=False):
    obj, data = model['obj,data'][obj_index]
    R = obj.basis.mapextent
    grid = obj.basis.potential_grid(data)
    levs = obj.basis.potential_contour_levels(data)
    #   pl.matshow(grid, fignum=False, extent=[-R,R,-R,R], interpolation='nearest')
    pl.matshow(grid,
               fignum=False,
               cmap=cm.bone,
               extent=[-R, R, -R, R],
               interpolation='nearest')
    if with_colorbar: glspl.colorbar()
    #   pl.contour(grid, extent=[-R,R,-R,R], origin='upper')
    #print levs
    if with_contours:
        for i, lev in enumerate(levs):
            pl.over(contour,
                    grid,
                    lev,
                    colors=system_color(i),
                    extent=[-R, R, -R, R],
                    origin='upper',
                    extend='both')

    pl.xlabel('arcsec')
    pl.ylabel('arcsec')
Example #2
0
def grad_kappa_plot(env, model, obj_index, which='x', with_contours=False, only_contours=False, clevels=30, with_colorbar=True):
    obj, data = model['obj,data'][obj_index]

    R = obj.basis.mapextent

    grid = obj.basis.kappa_grid(data)
    grid = grid.copy()

    kw = default_kw(R)
    kw['vmin'] = -1
    kw['vmax'] =  2

    if not only_contours:
        print '!!!!!!', grid.shape
        if which == 'x': grid = np.diff(grid, axis=1)
        if which == 'y': grid = np.diff(grid, axis=0)
        print '!!!!!!', grid.shape
        pl.matshow(grid, **kw)
        if with_colorbar: 
            glspl.colorbar()

    if with_contours:
        kw.pop('cmap')
        pl.over(contour, grid, clevels, extend='both', colors='k', alpha=0.7, **kw)

    pl.xlabel('arcsec')
    pl.ylabel('arcsec')
Example #3
0
 def plot(model, si, hilite=False):
     obj, data = model
     xs = []
     ys = []
     cs = []
     for i, sys in enumerate(obj.sources):
         if src_index is not None and i != src_index: continue
         xs.append(data['src'][i].real)
         ys.append(data['src'][i].imag)
         lw, ls, c = si.next()
         cs.append(c)  #system_color(i))
     if hilite:
         pl.over(scatter,
                 xs,
                 ys,
                 s=80,
                 c=hilite_color,
                 zorder=2000,
                 marker='x',
                 alpha=1.0,
                 **kwargs)
     else:
         pl.scatter(xs,
                    ys,
                    s=80,
                    c=cs,
                    zorder=1000,
                    marker='d',
                    alpha=0.5,
                    facecolor='none',
                    linewidths=1,
                    **kwargs)
Example #4
0
def img_plot(
    env, **kwargs
):  #src_index=None, with_maximum=True, color=None, with_guide=False, tight=False):

    obj_index = kwargs.pop('obj_index', 0)
    src_index = kwargs.pop('src_index', None)
    tight = kwargs.pop('tight', False)
    with_guide = kwargs.pop('with_guide', False)
    color = kwargs.pop('color', None)
    with_maximum = kwargs.pop('with_maximum', True)

    #src_index = np.atleast_1d(src_index)

    obj = env.objects[obj_index]

    oxlim, oylim = pl.xlim(), pl.ylim()

    rmax = 0
    si = style_iterator()
    for i, src in enumerate(obj.sources):
        lw, ls, c = si.next()

        if src_index:
            if i not in np.atleast_1d(src_index): continue
        xs, ys, cs = [], [], []

        for img in src.images:
            #print img.pos
            if not with_maximum and img.parity_name == 'max': continue

            xs.append(img.pos.real)
            ys.append(img.pos.imag)
            if not color:
                if img.parity_name == 'unk':
                    cs.append('red')
                else:
                    cs.append(c)
            else:
                cs.append(color)

        if xs and ys:
            pl.over(pl.scatter, xs, ys, s=80, c=cs, zorder=1000, alpha=1.0)
            if with_guide or tight:
                a = pl.gca()
                for x, y in zip(xs, ys):
                    r = np.sqrt(x**2 + y**2)
                    rmax = np.amax([r, rmax])
                    if with_guide:
                        a.add_artist(
                            Circle((0, 0), r, fill=False, color='lightgrey'))

    pl.xlim(oxlim)
    pl.ylim(oylim)

    if tight and rmax > 0:
        #rmax *= 1.01
        pl.gca().set_xlim(-rmax, rmax)
        pl.gca().set_ylim(-rmax, rmax)
Example #5
0
def img_plot(env, **kwargs): #src_index=None, with_maximum=True, color=None, with_guide=False, tight=False):

    obj_index = kwargs.pop('obj_index', 0)
    src_index = kwargs.pop('src_index', None)
    tight     = kwargs.pop('tight', False)
    with_guide = kwargs.pop('with_guide', False)
    color = kwargs.pop('color', None)
    with_maximum = kwargs.pop('with_maximum', True)

    #src_index = np.atleast_1d(src_index)

    obj = env.objects[obj_index]

    oxlim, oylim = pl.xlim(), pl.ylim()

    rmax = 0
    si = style_iterator()
    for i,src in enumerate(obj.sources):
        lw,ls,c = si.next()

        if src_index:
            if i not in np.atleast_1d(src_index): continue
        xs,ys,cs = [], [], []

        for img in src.images:
            #print img.pos
            if not with_maximum and img.parity_name == 'max': continue

            xs.append(img.pos.real)
            ys.append(img.pos.imag)
            if not color:
                if img.parity_name == 'unk':
                    cs.append('red')
                else:
                    cs.append(c)
            else:
                cs.append(color)

        if xs and ys:
            pl.over(pl.scatter,xs, ys, s=80, c=cs, zorder=1000, alpha=1.0)
            if with_guide or tight:
                a = pl.gca()
                for x,y in zip(xs,ys):
                    r = np.sqrt(x**2 + y**2)
                    rmax = np.amax([r,rmax])
                    if with_guide:
                        a.add_artist(Circle((0,0),r, fill=False,color='lightgrey'))

    pl.xlim(oxlim); pl.ylim(oylim)

    if tight and rmax > 0:
        #rmax *= 1.01
        pl.gca().set_xlim(-rmax, rmax)
        pl.gca().set_ylim(-rmax, rmax)
Example #6
0
def external_mass_plot(env,
                       obj_index=0,
                       with_maximum=True,
                       color=None,
                       with_guide=False,
                       tight=False):

    #obj,_ = model['obj,data'][obj_index]
    #obj,_ = model['obj,data'][obj_index]
    si = style_iterator()
    for i in xrange(obj_index + 1):
        lw, ls, c = si.next()
    obj = env.objects[obj_index]

    #print obj.external_masses

    #   if isinstance(model, (list, tuple)):
    #       obj,_ = model
    #   else:
    #       obj = model

    oxlim, oylim = pl.xlim(), pl.ylim()

    rmax = 0
    xs, ys, cs = [], [], []
    for i, m in enumerate(obj.extra_potentials):
        if isinstance(m, Shear): continue

        xs.append(m.r.real)
        ys.append(m.r.imag)
        if not color:
            cs.append(c)
        else:
            cs.append(color)

        rmax = np.amax([np.abs(m.r), rmax])

    if xs and ys:
        pl.over(pl.scatter,
                xs,
                ys,
                s=160,
                c=cs,
                zorder=1000,
                alpha=1.0,
                marker='s')

    pl.xlim(oxlim)
    pl.ylim(oylim)

    if tight and rmax > 0:
        pl.pl.gca().set_pl.xlim(-rmax, rmax)
        pl.pl.gca().set_pl.ylim(-rmax, rmax)
Example #7
0
 def plot(model, si, hilite=False):
     obj, data = model
     xs = []
     ys = []
     cs = []
     for i,sys in enumerate(obj.sources):
         if src_index is not None and i != src_index: continue
         xs.append(data['src'][i].real)
         ys.append(data['src'][i].imag)
         lw,ls,c = si.next()
         cs.append(c) #system_color(i))
     if hilite:
         pl.over(scatter,xs, ys, s=80, c=hilite_color, zorder=2000, marker='x', alpha=1.0, **kwargs)
     else:
         pl.scatter(xs, ys, s=80, c=cs, zorder=1000, marker='d', alpha=0.5, facecolor='none', linewidths=1, **kwargs)
Example #8
0
def critical_curve_plot(env, model, obj_index, src_index):
    obj, data = model['obj,data'][obj_index]
    R = obj.basis.mapextent
    g = obj.basis.maginv_grid(data)[src_index]
    pl.matshow(g,
               fignum=False,
               cmap=cm.bone,
               extent=[-R, R, -R, R],
               interpolation='nearest')
    pl.over(contour,
            g, [0],
            colors='g',
            linewidths=1,
            extent=[-R, R, -R, R],
            origin='upper')
Example #9
0
def potential_plot(env, model, obj_index, src_index, with_colorbar=True, with_contours=False):
    obj, data = model['obj,data'][obj_index]
    R = obj.basis.mapextent
    grid = obj.basis.potential_grid(data)
    levs = obj.basis.potential_contour_levels(data)
#   pl.matshow(grid, fignum=False, extent=[-R,R,-R,R], interpolation='nearest')
    pl.matshow(grid, fignum=False, cmap=cm.bone, extent=[-R,R,-R,R], interpolation='nearest')
    if with_colorbar: glspl.colorbar()
#   pl.contour(grid, extent=[-R,R,-R,R], origin='upper')
    #print levs
    if with_contours:
        for i,lev in enumerate(levs):
            pl.over(contour, grid, lev, colors = system_color(i), 
                 extent=[-R,R,-R,R], origin='upper', extend='both')


    pl.xlabel('arcsec')
    pl.ylabel('arcsec')
Example #10
0
def external_mass_plot(env, obj_index=0, with_maximum=True, color=None, with_guide=False, tight=False):

    #obj,_ = model['obj,data'][obj_index]
    #obj,_ = model['obj,data'][obj_index]
    si = style_iterator()
    for i in xrange(obj_index+1):
        lw,ls,c = si.next()
    obj = env.objects[obj_index]

    #print obj.external_masses

#   if isinstance(model, (list, tuple)):
#       obj,_ = model
#   else:
#       obj = model

    oxlim, oylim = pl.xlim(), pl.ylim()

    rmax = 0
    xs,ys,cs = [], [], []
    for i,m in enumerate(obj.extra_potentials):
        if isinstance(m, Shear): continue

        xs.append(m.r.real)
        ys.append(m.r.imag)
        if not color:
            cs.append(c)
        else:
            cs.append(color)

        rmax = np.amax([np.abs(m.r),rmax])

    if xs and ys:
        pl.over(pl.scatter,xs, ys, s=160, c=cs, zorder=1000, alpha=1.0, marker='s')

    pl.xlim(oxlim); pl.ylim(oylim)

    if tight and rmax > 0:
        pl.pl.gca().set_pl.xlim(-rmax, rmax)
        pl.pl.gca().set_pl.ylim(-rmax, rmax)
Example #11
0
def grad_kappa_plot(env,
                    model,
                    obj_index,
                    which='x',
                    with_contours=False,
                    only_contours=False,
                    clevels=30,
                    with_colorbar=True):
    obj, data = model['obj,data'][obj_index]

    R = obj.basis.mapextent

    grid = obj.basis.kappa_grid(data)
    grid = grid.copy()

    kw = default_kw(R)
    kw['vmin'] = -1
    kw['vmax'] = 2

    if not only_contours:
        print '!!!!!!', grid.shape
        if which == 'x': grid = np.diff(grid, axis=1)
        if which == 'y': grid = np.diff(grid, axis=0)
        print '!!!!!!', grid.shape
        pl.matshow(grid, **kw)
        if with_colorbar:
            glspl.colorbar()

    if with_contours:
        kw.pop('cmap')
        pl.over(contour,
                grid,
                clevels,
                extend='both',
                colors='k',
                alpha=0.7,
                **kw)

    pl.xlabel('arcsec')
    pl.ylabel('arcsec')
Example #12
0
def critical_curve_plot(env, model, obj_index, src_index):
    obj, data = model['obj,data'][obj_index]
    R = obj.basis.mapextent
    g = obj.basis.maginv_grid(data)[src_index]
    pl.matshow(g, fignum=False, cmap=cm.bone, extent=[-R,R,-R,R], interpolation='nearest')
    pl.over(contour, g, [0], colors='g', linewidths=1, extent=[-R,R,-R,R], origin='upper')