22__all__ = [
"CoordinateExpr",
"Extent",
"ExtentI",
"ExtentD",
23 "Point",
"PointI",
"PointD"]
27from lsst.utils
import TemplateMeta
32def _coordinateStr(self):
33 return "({})".format(
", ".join(
"%0.5g" % v
for v
in self))
36def _coordinateRepr(self):
37 return "{}({})".format(type(self).__name__,
38 ", ".join(f
"{v:0.17g}" if math.isfinite(v)
else f
"float('{v}')" for v
in self))
41def _coordinateReduce(self):
42 return (type(self), tuple(self))
45def _coordinateIter(self):
46 for i
in range(self.dimensions):
51 """Abstract base class and factory for CoordinateExpr objects.
53 TEMPLATE_PARAMS = ("dimensions", )
55 __str__ = _coordinateStr
56 __repr__ = _coordinateRepr
57 __reduce__ = _coordinateReduce
58 __iter__ = _coordinateIter
61CoordinateExpr.register(2, _geom.CoordinateExpr2)
62CoordinateExpr.register(3, _geom.CoordinateExpr3)
66 """Abstract base class and factory for Extent objects.
68 TEMPLATE_PARAMS = ("dtype",
"dimensions")
69 TEMPLATE_DEFAULTS = (
None, 2)
71 __str__ = _coordinateStr
72 __repr__ = _coordinateRepr
73 __reduce__ = _coordinateReduce
74 __iter__ = _coordinateIter
77Extent.register((int, 2), _geom.Extent2I)
78Extent.register((float, 2), _geom.Extent2D)
79Extent.register((int, 3), _geom.Extent3I)
80Extent.register((float, 3), _geom.Extent3D)
81ExtentI = _geom.Extent2I
82ExtentD = _geom.Extent2D
85class Point(metaclass=TemplateMeta):
86 """Abstract base class and factory for Point objects.
88 TEMPLATE_PARAMS = ("dtype",
"dimensions")
89 TEMPLATE_DEFAULTS = (
None, 2)
91 __str__ = _coordinateStr
92 __repr__ = _coordinateRepr
93 __reduce__ = _coordinateReduce
94 __iter__ = _coordinateIter
97Point.register((int, 2), _geom.Point2I)
98Point.register((float, 2), _geom.Point2D)
99Point.register((int, 3), _geom.Point3I)
100Point.register((float, 3), _geom.Point3D)
101PointI = _geom.Point2I
102PointD = _geom.Point2D