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# 

# Developed for the LSST Data Management System. 

# This product includes software developed by the LSST Project 

# (https://www.lsst.org). 

# See the COPYRIGHT file at the top-level directory of this distribution 

# for details of code ownership. 

# 

# This program is free software: you can redistribute it and/or modify 

# it under the terms of the GNU General Public License as published by 

# the Free Software Foundation, either version 3 of the License, or 

# (at your option) any later version. 

# 

# This program is distributed in the hope that it will be useful, 

# but WITHOUT ANY WARRANTY; without even the implied warranty of 

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

# GNU General Public License for more details. 

# 

# You should have received a copy of the GNU General Public License 

# along with this program. If not, see <https://www.gnu.org/licenses/>. 

# 

 

__all__ = ["CoordinateExpr", "Extent", "ExtentI", "ExtentD", 

"Point", "PointI", "PointD"] 

 

from lsst.utils import TemplateMeta 

 

from . import _geom 

 

 

def _coordinateStr(self): 

return "({})".format(", ".join("%0.5g" % v for v in self)) 

 

 

def _coordinateRepr(self): 

return "{}({})".format(type(self).__name__, 

", ".join("%0.10g" % v for v in self)) 

 

 

def _coordinateReduce(self): 

return (type(self), tuple(self)) 

 

 

class CoordinateExpr(metaclass=TemplateMeta): 

"""Abstract base class and factory for CoordinateExpr objects. 

""" 

TEMPLATE_PARAMS = ("dimensions", ) 

 

__str__ = _coordinateStr 

__repr__ = _coordinateRepr 

__reduce__ = _coordinateReduce 

 

 

CoordinateExpr.register(2, _geom.CoordinateExpr2) 

CoordinateExpr.register(3, _geom.CoordinateExpr3) 

 

 

class Extent(metaclass=TemplateMeta): 

"""Abstract base class and factory for Extent objects. 

""" 

TEMPLATE_PARAMS = ("dtype", "dimensions") 

TEMPLATE_DEFAULTS = (None, 2) 

 

__str__ = _coordinateStr 

__repr__ = _coordinateRepr 

__reduce__ = _coordinateReduce 

 

 

Extent.register((int, 2), _geom.Extent2I) 

Extent.register((float, 2), _geom.Extent2D) 

Extent.register((int, 3), _geom.Extent3I) 

Extent.register((float, 3), _geom.Extent3D) 

ExtentI = _geom.Extent2I 

ExtentD = _geom.Extent2D 

 

 

class Point(metaclass=TemplateMeta): 

"""Abstract base class and factory for Point objects. 

""" 

TEMPLATE_PARAMS = ("dtype", "dimensions") 

TEMPLATE_DEFAULTS = (None, 2) 

 

__str__ = _coordinateStr 

__repr__ = _coordinateRepr 

__reduce__ = _coordinateReduce 

 

 

Point.register((int, 2), _geom.Point2I) 

Point.register((float, 2), _geom.Point2D) 

Point.register((int, 3), _geom.Point3I) 

Point.register((float, 3), _geom.Point3D) 

PointI = _geom.Point2I 

PointD = _geom.Point2D