def detector_video(self,
dt,
savevdir,
radius=10.0,
source=None,
points=None,
good=False,
projection='moll',
lat_0=0,
lon_0=180.,
ax=None,
show_bodies=False,
style='A'):
pole = SkyCoord([0, 0], [90, -90], frame='icrs', unit='deg')
name_list = self.detectors.name_list
color_list = self.detectors.color_list
if good and source:
index_list, centor_list = self.get_good_detector_centers(source)
else:
index_list = self.get_detector_index()
centor_list = self.get_detector_centers()
if show_bodies and self.sc_pos is not None:
sc_pos = self.sc_pos
earth_points_list = self.get_earth_point()
else:
sc_pos = None
earth_points_list = None
if self.time is not None:
time = self.time
else:
time = None
#fig,ax = plt.subplots()
fig = plt.figure(figsize=(20, 10))
ax = fig.add_subplot(111)
duration = dt * len(self.index)
def make_frame(t):
n = int(t / dt)
ax.clear()
ax.set_title(str(n))
map = Basemap(projection=projection,
lat_0=lat_0,
lon_0=lon_0,
resolution='l',
area_thresh=1000.0,
celestial=True,
ax=ax)
index_, centor = index_list[n], centor_list[n]
if source:
ra, dec = map(source.ra.value, source.dec.value)
map.plot(ra, dec, '*', color='#f36c21', markersize=20.)
if points:
ra, dec = map(points.ra.value, points.dec.value)
map.plot(ra, dec, '*', color='#c7a252', markersize=20.)
if show_bodies and sc_pos is not None:
if projection in ['moll']:
postion, r, lon, lat = earth_points_list[n]
lon_lis, lat_lis = get_poly(postion, r, lon, lat, pole,
lon_0)
for i in range(len(lon_lis)):
x, y = map(lon_lis[i], lat_lis[i])
earth = Polygon(list(zip(x, y)),
facecolor='#90d7ec',
edgecolor='#90d7ec',
linewidth=0,
alpha=1)
ax.add_patch(earth)
else:
postion, r, lon, lat = earth_points_list[n]
lon, lat = map(lon, lat)
earth = Polygon(list(zip(lon, lat)),
facecolor='#90d7ec',
edgecolor='#90d7ec',
linewidth=2,
alpha=1)
ax.add_patch(earth)
if time is not None:
earth_r = get_body_barycentric('earth', time[n])
moon_r = get_body_barycentric('moon', time[n])
r_e_m = moon_r - earth_r
r = sc_pos[n] - np.array(
[r_e_m.x.value, r_e_m.y.value, r_e_m.z.value]) * u.km
moon_point_d = cartesian_to_spherical(-r[0], -r[1], -r[2])
moon_ra, moon_dec = moon_point_d[2].deg, moon_point_d[
1].deg
moon_point = SkyCoord(moon_ra,
moon_dec,
frame='icrs',
unit='deg')
moon_ra, moon_dec = map(moon_point.ra.deg,
moon_point.dec.deg)
map.plot(moon_ra,
moon_dec,
'o',
color='#72777b',
markersize=20)
plt.text(moon_ra, moon_dec - 800000, 'moon', size=20)
if show_bodies and time is not None:
tmp_sun = get_sun(time[n])
sun_position = SkyCoord(tmp_sun.ra.deg,
tmp_sun.dec.deg,
unit='deg',
frame='icrs')
sun_ra, sun_dec = map(sun_position.ra.value,
sun_position.dec.value)
map.plot(sun_ra,
sun_dec,
'o',
color='#ffd400',
markersize=40)
plt.text(sun_ra - 550000, sun_dec - 200000, 'sun', size=20)
fovs = get_fov(centor, radius)
if projection in ['moll']:
for i, v in enumerate(index_):
r, ra, dec = fovs[i]
lon_lis, lat_lis = get_poly(centor[i], r, ra, dec, pole,
lon_0)
for ij in range(len(lon_lis)):
x, y = map(lon_lis[ij], lat_lis[ij])
detec = Polygon(list(zip(x, y)),
facecolor=color_list[v],
edgecolor=color_list[v],
linewidth=2,
alpha=0.5)
ax.add_patch(detec)
ra_x, dec_y = map(centor[i].ra.value + 2.5,
centor[i].dec.value - 1)
plt.text(ra_x,
dec_y,
str(name_list[v]),
color=color_list[v],
size=22)
else:
for i, v in enumerate(index_):
r, ra, dec = fovs[i]
detec = Polygon(list(zip(ra, dec)),
facecolor=color_list[v],
edgecolor=color_list[v],
linewidth=2,
alpha=0.5)
ax.add_patch(detec)
ra_x, dec_y = map(centor[i].ra.value + 2.5,
centor[i].dec.value - 1)
plt.text(ra_x,
dec_y,
str(name_list[v]),
color=color_list[v],
size=22)
if projection == 'moll':
az1 = np.arange(0, 360, 30)
zen1 = np.zeros(az1.size) + 2
azname = []
for i in az1:
azname.append(r'${\/%s\/^{\circ}}$' % str(i))
x1, y1 = map(az1, zen1)
for index1, value in enumerate(az1):
plt.text(x1[index1], y1[index1], azname[index1], size=20)
map.drawmeridians(np.arange(0, 360, 30),
dashes=[1, 0],
color='#d9d6c3')
map.drawparallels(np.arange(-90, 90, 15),
dashes=[1, 0],
labels=[1, 0, 0, 1],
color='#d9d6c3',
size=20)
map.drawmapboundary(fill_color='#f6f5ec')
n = n + 1
return mplfig_to_npimage(fig)
animation = VideoClip(make_frame, duration=duration)
#animation.write_videofile(savevdir, fps=1/dt,codec = 'h264')
animation.write_videofile(savevdir, fps=1 / dt)
animation.close()
def detector_video(self,dt,savevdir,radius = 10.0,source=None,points = None,good = False,
lon_0 = 180.,ax = None,show_bodies = False,style = 'A'):
name_list = self.detectors.name_list
color_list = self.detectors.color_list
if good and source :
index_list,centor_list = self.get_good_detector_centers(source)
else:
index_list = self.get_detector_index()
centor_list = self.get_detector_centers()
if show_bodies and self.sc_pos is not None:
sc_pos = self.sc_pos
earth_points_list = self.get_earth_point()
else:
sc_pos = None
earth_points_list = None
if self.time is not None:
time = self.time
else:
time = None
#fig,ax = plt.subplots()
fig = plt.figure(figsize = (20,10))
ax = fig.add_subplot(1,1,1,projection=ccrs.Mollweide(central_longitude=lon_0),facecolor = '#f6f5ec')
duration = dt * len(self.index)
xticks = list(range(-180, 180, 30))
yticks = list(range(-90, 90, 15))
lons_x = np.arange(0,360,30)
lons_y = np.zeros(lons_x.size)
lats_y = np.arange(-75,76,15)
lats_x = np.zeros(lats_y.size)
def make_frame(t):
n = int(t/dt)
ax.clear()
ax.set_title(str(n))
#map = Basemap(projection=projection,lat_0=lat_0,lon_0 = lon_0,resolution = 'l',area_thresh=1000.0,celestial=True,ax = ax)
index_,centor = index_list[n],centor_list[n]
if source:
#ra, dec = map(source.ra.value, source.dec.value)
ax.plot(source.ra.value, source.dec.value, '*', color='#f36c21', markersize=20., transform=ccrs.Geodetic())
if points:
ax.plot(points.ra.value, points.dec.value, '*', color='#c7a252', markersize=20., transform=ccrs.Geodetic())
if show_bodies and sc_pos is not None:
postion, r, lon, lat = earth_points_list[n]
lat[lat > 88.0] = 88.0
lat[lat < -88.0] = -88.0
#lon, lat = map(lon, lat)
earth = Polygon(list(zip(lon, lat))[::-1], facecolor='#90d7ec', edgecolor='#90d7ec',
linewidth=2, alpha=1, transform=ccrs.Geodetic())
ax.add_patch(earth)
#ax.add_patch(mpatches.Circle(xy=[postion.ra.value, postion.dec.value], radius=r,
# color='#90d7ec', alpha=0.3, transform=ccrs.Geodetic(),
# zorder=0))
if time is not None:
earth_r = get_body_barycentric('earth',time[n])
moon_r = get_body_barycentric('moon',time[n])
r_e_m = moon_r - earth_r
r = sc_pos[n] - np.array([r_e_m.x.value,r_e_m.y.value,r_e_m.z.value])*u.km
moon_point_d = cartesian_to_spherical(-r[0],-r[1],-r[2])
moon_ra,moon_dec = moon_point_d[2].deg,moon_point_d[1].deg
moon_point = SkyCoord(moon_ra,moon_dec,frame='icrs', unit='deg')
ax.plot(moon_point.ra.deg,moon_point.dec.deg,'o',color = '#72777b',markersize = 20,transform=ccrs.Geodetic())
ax.text(moon_point.ra.deg,moon_point.dec.deg,'moon',size = 20,transform=ccrs.Geodetic(),va = 'center',ha='center')
if show_bodies and time is not None:
tmp_sun = get_sun(time[n])
sun_position = SkyCoord(tmp_sun.ra.deg,tmp_sun.dec.deg,unit='deg', frame='icrs')
ax.plot(sun_position.ra.value,sun_position.dec.value ,'o',color = '#ffd400', markersize=40,transform=ccrs.Geodetic())
ax.text(sun_position.ra.value,sun_position.dec.value,'sun',size = 20,transform=ccrs.Geodetic(),va = 'center',ha='center')
fovs = get_fov(centor,radius)
for i,v in enumerate(index_):
r,ra,dec = fovs[i]
dec[dec > 88.0] = 88.0
dec[dec < -88.0] = -88.0
detec = Polygon(list(zip(ra,dec))[::-1],facecolor=color_list[v],edgecolor=color_list[v],linewidth=2, alpha=0.5,transform=ccrs.Geodetic())
ax.add_patch(detec)
#ra_x,dec_y = map(centor[i].ra.value+2.5,centor[i].dec.value-1)
ax.text(centor[i].ra.value, centor[i].dec.value,str(name_list[v]), color=color_list[v], size=22,transform=ccrs.Geodetic(),va = 'center',ha='center')
ax.gridlines(xlocs=xticks, ylocs=yticks)
lats_y_ticke = ax.projection.transform_points(ccrs.Geodetic(),lats_x+lon_0+180.0, lats_y*1.1)
lats_y_x = lats_y_ticke[:,0]*0.86
lats_y_y = lats_y_ticke[:,1]
proj_xyz = ax.projection.transform_points(ccrs.Geodetic(),np.array([0,30]), np.array([0,0]))
dx_ = np.abs(proj_xyz[0][0]-proj_xyz[1][0])
for indexi,i in enumerate(lons_x):
ax.text(i,lons_y[indexi],r'$%d^{\circ}$'%i,transform = ccrs.Geodetic(),size = 20)
for indexi,i in enumerate(lats_y):
ax.text(lats_y_x[indexi]+dx_,lats_y_y[indexi],r'$%d^{\circ}$'%i,size = 20,ha = 'right',va = 'center')
ax.set_global()
ax.invert_xaxis()
#n = n + 1
return mplfig_to_npimage(fig)
animation = VideoClip(make_frame, duration=duration)
#animation.write_videofile(savevdir, fps=1/dt,codec = 'h264')
animation.write_videofile(savevdir, fps=1/dt)
animation.close()
