def test_bad_on_region(exclusion_mask, on_region):
pointing = SkyCoord(83.63, 22.01, unit="deg", frame="icrs")
finder = ReflectedRegionsFinder(
center=pointing,
region=on_region,
exclusion_mask=exclusion_mask,
min_distance_input="0 deg",
)
finder.run()
regions = finder.reflected_regions
assert len(regions) == 0
# try plotting
with mpl_plot_check():
finder.plot()
pos = SkyCoord(83.633, 22.014, unit="deg")
radius = Angle(0.3, "deg")
on_region = CircleSkyRegion(pos, radius)
center = SkyCoord(83.633, 24, unit="deg")
# One can impose a minimal distance between ON region and first reflected regions
finder = ReflectedRegionsFinder(
region=on_region,
center=center,
exclusion_mask=exclusion_mask,
min_distance_input="0.2 rad",
)
finder.run()
fig1 = plt.figure(1)
finder.plot(fig=fig1)
# One can impose a minimal distance between two adjacent regions
finder = ReflectedRegionsFinder(
region=on_region,
center=center,
exclusion_mask=exclusion_mask,
min_distance_input="0.2 rad",
min_distance="0.1 rad",
)
finder.run()
fig2 = plt.figure(2)
finder.plot(fig=fig2)
# One can impose a maximal number of regions to be extracted
finder = ReflectedRegionsFinder(