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LSST Applications 28.0.0,g1653933729+a8ce1bb630,g1a997c3884+a8ce1bb630,g28da252d5a+5bd70b7e6d,g2bbee38e9b+638fca75ac,g2bc492864f+638fca75ac,g3156d2b45e+07302053f8,g347aa1857d+638fca75ac,g35bb328faa+a8ce1bb630,g3a166c0a6a+638fca75ac,g3e281a1b8c+7bbb0b2507,g4005a62e65+17cd334064,g414038480c+5b5cd4fff3,g41af890bb2+4ffae9de63,g4e1a3235cc+0f1912dca3,g6249c6f860+3c3976f90c,g80478fca09+46aba80bd6,g82479be7b0+77990446f6,g858d7b2824+78ba4d1ce1,g89c8672015+f667a5183b,g9125e01d80+a8ce1bb630,ga5288a1d22+2a6264e9ca,gae0086650b+a8ce1bb630,gb58c049af0+d64f4d3760,gc22bb204ba+78ba4d1ce1,gc28159a63d+638fca75ac,gcf0d15dbbd+32ddb6096f,gd6b7c0dfd1+3e339405e9,gda3e153d99+78ba4d1ce1,gda6a2b7d83+32ddb6096f,gdaeeff99f8+1711a396fd,gdd5a9049c5+b18c39e5e3,ge2409df99d+a5e4577cdc,ge33fd446bb+78ba4d1ce1,ge79ae78c31+638fca75ac,gf0baf85859+64e8883e75,gf5289d68f6+e1b046a8d7,gfa443fc69c+91d9ed1ecf,gfda6b12a05+8419469a56
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footprintArea.py
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1# This file is part of meas_base.
2#
3# Developed for the LSST Data Management System.
4# This product includes software developed by the LSST Project
5# (https://www.lsst.org).
6# See the COPYRIGHT file at the top-level directory of this distribution
7# for details of code ownership.
8#
9# This program is free software: you can redistribute it and/or modify
10# it under the terms of the GNU General Public License as published by
11# the Free Software Foundation, either version 3 of the License, or
12# (at your option) any later version.
13#
14# This program is distributed in the hope that it will be useful,
15# but WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17# GNU General Public License for more details.
18#
19# You should have received a copy of the GNU General Public License
20# along with this program. If not, see <https://www.gnu.org/licenses/>.
21
22import numpy as np
23
24from .catalogCalculation import (CatalogCalculationPluginConfig,
25 CatalogCalculationPlugin)
26from .pluginRegistry import register
27
28__all__ = (
29 "CatalogCalculationFootprintAreaConfig",
30 "CatalogCalculationFootprintAreaPlugin",
31)
32
33
35 """Configuration for footprint area catalog calculation plugin.
36 """
37
38 pass
39
40
41@register("base_FootprintArea")
43 """Catalog calculation plugin to record the area of a source's footprint.
44 """
45
46 ConfigClass = CatalogCalculationFootprintAreaConfig
47
48 @classmethod
52 def __init__(self, config, name, schema, metadata):
53 CatalogCalculationPlugin.__init__(self, config, name, schema, metadata)
54 self.key = schema.addField(
55 schema.join(name, "value"),
56 type=np.int32,
57 doc="Number of pixels in the source's detection footprint.",
58 units="pixel"
59 )
60
61 def calculate(self, measRecord):
62 measRecord.set(self.key, measRecord.getFootprint().getArea())
63
64 def fail(self, measRecord, error=None):
65 # Should be impossible for this algorithm to fail unless there is no
66 # Footprint (and that's a precondition for measurement).
67 pass