---------------------------------------------------------------------------
KernelSizeError Traceback (most recent call last)
Input In [17], in <cell line: 1>()
----> 1 cat, segm, segm_deblend = make_catalog(data.data, threshold=data_std*5)
File ~/project/repo/petrofit/petrofit/segmentation.py:401, in make_catalog(image, threshold, wcs, deblend, npixels, fwhm, kernel_size, nlevels, contrast, plot, vmax, vmin)
398 image = image.data
400 # Make segmentation map
--> 401 segm = make_segments(image,
402 threshold=threshold,
403 kernel_size=kernel_size,
404 fwhm=fwhm, npixels=npixels)
406 if plot and segm:
407 # Make plots
408 if deblend:
File ~/project/repo/petrofit/petrofit/segmentation.py:260, in make_segments(image, npixels, threshold, fwhm, kernel_size)
256 npixels = fwhm ** 2
258 kernel = make_kernel(fwhm, kernel_size) if kernel_size else None
--> 260 return detect_sources(image, threshold, npixels=npixels, kernel=kernel)
File ~/miniconda3/envs/petrofit/lib/python3.9/site-packages/astropy/utils/decorators.py:546, in deprecated_renamed_argument.<locals>.decorator.<locals>.wrapper(*args, **kwargs)
543 msg += f'\n Use {alternative} instead.'
544 warnings.warn(msg, warning_type, stacklevel=2)
--> 546 return function(*args, **kwargs)
File ~/miniconda3/envs/petrofit/lib/python3.9/site-packages/photutils/segmentation/detect.py:395, in detect_sources(data, threshold, npixels, kernel, connectivity, mask)
298 @deprecated_renamed_argument('filter_kernel', 'kernel', '1.2')
299 def detect_sources(data, threshold, npixels, kernel=None, connectivity=8,
300 mask=None):
301 """
302 Detect sources above a specified threshold value in an image and
303 return a `~photutils.segmentation.SegmentationImage` object.
(...)
393 plt.tight_layout()
394 """
--> 395 return _detect_sources(data, (threshold,), npixels, kernel=kernel,
396 connectivity=connectivity, mask=mask)[0]
File ~/miniconda3/envs/petrofit/lib/python3.9/site-packages/photutils/segmentation/detect.py:247, in _detect_sources(data, thresholds, npixels, kernel, connectivity, mask, deblend_skip)
245 with warnings.catch_warnings():
246 warnings.simplefilter('ignore', AstropyUserWarning)
--> 247 data = convolve(data, kernel, mask=mask, normalize_kernel=True)
249 selem = _make_binary_structure(data.ndim, connectivity)
251 segms = []
File ~/miniconda3/envs/petrofit/lib/python3.9/site-packages/astropy/nddata/decorators.py:246, in support_nddata.<locals>.support_nddata_decorator.<locals>.wrapper(data, *args, **kwargs)
240 if ignored:
241 warnings.warn("The following attributes were set on the "
242 "data object, but will be ignored by the "
243 "function: " + ", ".join(ignored),
244 AstropyUserWarning)
--> 246 result = func(data, *args, **kwargs)
248 if unpack and repack:
249 # If there are multiple required returned arguments make sure
250 # the result is a tuple (because we don't want to unpack
251 # numpy arrays or compare their length, never!) and has the
252 # same length.
253 if len(returns) > 1:
File ~/miniconda3/envs/petrofit/lib/python3.9/site-packages/astropy/convolution/convolve.py:265, in convolve(array, kernel, boundary, fill_value, nan_treatment, normalize_kernel, mask, preserve_nan, normalization_zero_tol)
263 # Make sure kernel has all odd axes
264 if has_even_axis(kernel_internal):
--> 265 raise_even_kernel_exception()
267 # If both image array and kernel are Kernel instances
268 # constrain convolution method
269 # This must occur before the main alias/copy of ``passed_kernel`` to
270 # ``kernel_internal`` as it is used for filling masked kernels.
271 if isinstance(passed_array, Kernel) and isinstance(passed_kernel, Kernel):
File ~/miniconda3/envs/petrofit/lib/python3.9/site-packages/astropy/convolution/utils.py:30, in raise_even_kernel_exception()
29 def raise_even_kernel_exception():
---> 30 raise KernelSizeError("Kernel size must be odd in all axes.")
KernelSizeError: Kernel size must be odd in all axes.
robelgeda
commented
2 years ago