C:/work/RevealedSystems/EyeSpy-RS/eyespy/src/objects/logic/entity/entityStatistics.py

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# Copyright (C) 2008-2009  Mark Hanegraaff
#
# 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 <http://www.gnu.org/licenses/>.


from objects.logic.common.logger import logger

## The Entity Statistics class will contain various useful statistics built from  
# either a series of decoded packets or list of entities. This class is really just
# a stub at this point. Nothing much is implemented.
class entityStatistics():
    ##
    # 
    #             coordinate based dictionary. Used to keep track of
    #             of multiple entities at distinct locations (which need to be displayed onto
    #             the screen differently). This list will essentially contain
    #             the same information as a filtered entity collection, but it will
    #             be keyed by location rather than its primary key. 
    #             
    #             The key of the dictionary is the longitude/latitude pair.
    #             the value is an small list of all entities at that
    #             particular location.
    #              
    #             
    #             {(lon, lat): entityList() }
    #             
    #         
    def __init__(self):
        
        self.coordinateDitc = dict()
"""    
    # it is assumed that each entity should be unique, giving the same entity over and over again
    # will skew the statistics
    def computeStatsFromEntity(self, netEnt):
        if netEnt == None:
            logger.log(__name__ + ": tried to compute statistics using a NULL networked Entity") 
            return
        
        lon = netEnt.foreignLongitude
        lat = netEnt.foreignLatitude
        
        key = (lon, lat)
        
        if not self.coordinateDitc.has_key(key):
            self.coordinateDitc[key] = list()
        
        self.coordinateDitc[key].append(netEnt)
        
    
    def computeStatsFromDecodedPacket(self, decodedPacket):
        pass
    
"""

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