CIM14/CDPSM/GIS_Connectivity/IEC61968/Common/PositionPoint.py

   1 # Copyright (C) 2010-2011 Richard Lincoln
   2 #
   3 # Permission is hereby granted, free of charge, to any person obtaining a copy
   4 # of this software and associated documentation files (the "Software"), to
   5 # deal in the Software without restriction, including without limitation the
   6 # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   7 # sell copies of the Software, and to permit persons to whom the Software is
   8 # furnished to do so, subject to the following conditions:
   9 #
  10 # The above copyright notice and this permission notice shall be included in
  11 # all copies or substantial portions of the Software.
  12 #
  13 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  16 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  18 # FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  19 # IN THE SOFTWARE.
  20
  21 from CIM14.CDPSM.GIS_Connectivity.Element import Element
  22
  23 class PositionPoint(Element):
  24     """Set of spatial coordinates that determine a point. A sequence of PositionPoints can be used to describe:
 - physical location of non-point oriented objects like cables or lines, or
 - area of an object like a substation, a geographical zone or a diagram object.
  25     """
  26
  27     def __init__(self, xPosition='', sequenceNumber=0, yPosition='', Location=None, *args, **kw_args):
  28         """Initialises a new 'PositionPoint' instance.
  29
  30         @param xPosition: X axis position.
  31         @param sequenceNumber: Zero-relative sequence number of this point within a series of points.
  32         @param yPosition: Y axis position.
  33         @param Location: Location that this position point describes.
  34         """
  35         #: X axis position.
  36         self.xPosition = xPosition
  37
  38         #: Zero-relative sequence number of this point within a series of points.
  39         self.sequenceNumber = sequenceNumber
  40
  41         #: Y axis position.
  42         self.yPosition = yPosition
  43
  44         self._Location = None
  45         self.Location = Location
  46
  47         super(PositionPoint, self).__init__(*args, **kw_args)
  48
  49     _attrs = ["xPosition", "sequenceNumber", "yPosition"]
  50     _attr_types = {"xPosition": str, "sequenceNumber": int, "yPosition": str}
  51     _defaults = {"xPosition": '', "sequenceNumber": 0, "yPosition": ''}
  52     _enums = {}
  53     _refs = ["Location"]
  54     _many_refs = []
  55
  56     def getLocation(self):
  57         """Location that this position point describes.
  58         """
  59         return self._Location
  60
  61     def setLocation(self, value):
  62         if self._Location is not None:
  63             filtered = [x for x in self.Location.PositionPoints if x != self]
  64             self._Location._PositionPoints = filtered
  65
  66         self._Location = value
  67         if self._Location is not None:
  68             if self not in self._Location._PositionPoints:
  69                 self._Location._PositionPoints.append(self)
  70
  71     Location = property(getLocation, setLocation)
  72