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90 lines
3.1 KiB
Python
90 lines
3.1 KiB
Python
# SPDX-License-Identifier: MPL-2.0
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from . import _aare
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import numpy as np
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_supported_cluster_sizes = [(2,2), (3,3), (5,5), (7,7), (9,9),]
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def _type_to_char(dtype):
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if dtype == np.int32:
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return 'i'
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elif dtype == np.float32:
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return 'f'
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elif dtype == np.float64:
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return 'd'
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elif dtype == np.int16:
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return 'i16'
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else:
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raise ValueError(f"Unsupported dtype: {dtype}. Only np.int32, np.float32, and np.float64 are supported.")
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def _get_class(name, cluster_size, dtype):
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"""
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Helper function to get the class based on the name, cluster size, and dtype.
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"""
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try:
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class_name = f"{name}_Cluster{cluster_size[0]}x{cluster_size[1]}{_type_to_char(dtype)}"
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cls = getattr(_aare, class_name)
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except AttributeError:
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raise ValueError(f"Unsupported combination of type and cluster size: {dtype}/{cluster_size} when requesting {class_name}")
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return cls
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def ClusterFinder(image_size, cluster_size=(3,3), n_sigma=5, dtype = np.int32, capacity = 1024):
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"""
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Factory function to create a ClusterFinder object. Provides a cleaner syntax for
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the templated ClusterFinder in C++.
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"""
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cls = _get_class("ClusterFinder", cluster_size, dtype)
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return cls(image_size, n_sigma=n_sigma, capacity=capacity)
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def ClusterFinderMT(image_size, cluster_size = (3,3), dtype=np.int32, n_sigma=5, capacity = 1024, n_threads = 3):
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"""
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Factory function to create a ClusterFinderMT object. Provides a cleaner syntax for
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the templated ClusterFinderMT in C++.
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"""
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cls = _get_class("ClusterFinderMT", cluster_size, dtype)
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return cls(image_size, n_sigma=n_sigma, capacity=capacity, n_threads=n_threads)
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def ClusterCollector(clusterfindermt, dtype=np.int32):
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"""
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Factory function to create a ClusterCollector object. Provides a cleaner syntax for
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the templated ClusterCollector in C++.
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"""
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cls = _get_class("ClusterCollector", clusterfindermt.cluster_size, dtype)
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return cls(clusterfindermt)
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def ClusterFileSink(clusterfindermt, cluster_file, dtype=np.int32):
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"""
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Factory function to create a ClusterCollector object. Provides a cleaner syntax for
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the templated ClusterCollector in C++.
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"""
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cls = _get_class("ClusterFileSink", clusterfindermt.cluster_size, dtype)
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return cls(clusterfindermt, cluster_file)
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def ClusterFile(fname, cluster_size=(3,3), dtype=np.int32, chunk_size = 1000, mode = "r"):
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"""
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Factory function to create a ClusterFile object. Provides a cleaner syntax for
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the templated ClusterFile in C++.
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.. code-block:: python
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from aare import ClusterFile
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with ClusterFile("clusters.clust", cluster_size=(3,3), dtype=np.int32) as cf:
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# cf is now a ClusterFile_Cluster3x3i object but you don't need to know that.
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for clusters in cf:
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# Loop over clusters in chunks of 1000
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# The type of clusters will be a ClusterVector_Cluster3x3i in this case
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"""
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cls = _get_class("ClusterFile", cluster_size, dtype)
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return cls(fname, chunk_size=chunk_size, mode=mode)
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