def find_regions(self):
"""Find reflected regions."""
curr_angle = self._angle + self._min_ang + self.min_distance_input
reflected_regions = []
while curr_angle < self._max_angle:
test_pos = self._compute_xy(self._pix_center, self._offset, curr_angle)
test_reg = CirclePixelRegion(test_pos, self._pix_region.radius)
if not self._is_inside_exclusion(test_reg, self._distance_image):
refl_region = test_reg.to_sky(self.exclusion_mask.wcs)
log.debug('Placing reflected region\n{}'.format(refl_region))
reflected_regions.append(refl_region)
curr_angle = curr_angle + self._min_ang
else:
curr_angle = curr_angle + self.angle_increment
log.info('Found {} reflected regions'.format(len(reflected_regions)))
self.reflected_regions = reflected_regions
def find_regions(self):
"""Find reflected regions."""
curr_angle = self._angle + self._min_ang + self.min_distance_input
reflected_regions = []
while curr_angle < self._max_angle:
test_pos = self._compute_xy(self._pix_center, self._offset, curr_angle)
test_reg = CirclePixelRegion(test_pos, self._pix_region.radius)
if not self._is_inside_exclusion(test_reg, self._distance_image):
refl_region = test_reg.to_sky(self.reference_map.geom.wcs)
log.debug("Placing reflected region\n{}".format(refl_region))
reflected_regions.append(refl_region)
curr_angle = curr_angle + self._min_ang
if self.max_region_number <= len(reflected_regions):
break
else:
curr_angle = curr_angle + self.angle_increment
log.debug("Found {} reflected regions".format(len(reflected_regions)))
self.reflected_regions = reflected_regions
def test_region_mask():
mask = SkyImage.empty(nxpix=5, nypix=4)
# Test with a pixel region
region = CirclePixelRegion(center=PixCoord(x=2, y=1), radius=1.1)
actual = mask.region_mask(region)
expected = [
[0, 0, 1, 0, 0],
[0, 1, 1, 1, 0],
[0, 0, 1, 0, 0],
[0, 0, 0, 0, 0],
]
assert_equal(actual.data, expected)
# Test with a sky region
# Output is the same in this case, because the sky region
# represents roughly the same region as the pixel region
sky_region = region.to_sky(wcs=mask.wcs)
actual = mask.region_mask(sky_region)
assert_equal(actual.data, expected)
def test_region_mask():
mask = SkyImage.empty(nxpix=5, nypix=4)
# Test with a pixel region
region = CirclePixelRegion(center=PixCoord(x=2, y=1), radius=1.1)
actual = mask.region_mask(region)
expected = [
[0, 0, 1, 0, 0],
[0, 1, 1, 1, 0],
[0, 0, 1, 0, 0],
[0, 0, 0, 0, 0],
]
assert_equal(actual.data, expected)
# Test with a sky region
# Output is the same in this case, because the sky region
# represents roughly the same region as the pixel region
sky_region = region.to_sky(wcs=mask.wcs)
actual = mask.region_mask(sky_region)
assert_equal(actual.data, expected)