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svn: r7986

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Don Allingham
2007-01-26 05:10:51 +00:00
parent 4812f0c8cc
commit 07473000d5
2 changed files with 214 additions and 0 deletions
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53
src/Filters/Rules/Place/_HasNoLatOrLon.py Normal file
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#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2002-2006 Donald N. Allingham
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#-------------------------------------------------------------------------
#
# Standard Python modules
#
#-------------------------------------------------------------------------
from gettext import gettext as _
#-------------------------------------------------------------------------
#
# GRAMPS modules
#
#-------------------------------------------------------------------------
from Filters.Rules._Rule import Rule
#-------------------------------------------------------------------------
#
# HasNoLatOrLon
#
#-------------------------------------------------------------------------
class HasNoLatOrLon(Rule):
"""Rule that checks if Latitude or Longitude are not given"""
labels = []
name = _('Places with no latitude or longitude given')
description = _("Matches places with latitude or longitude empty")
category = _('Position filters')
def apply(self,db,place):
if place.get_latitude().strip and place.get_longitude().strip() :
return False
return True

161
src/Filters/Rules/Place/_InLatLonNeighborhood.py Normal file
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#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2002-2006 Donald N. Allingham
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
#-------------------------------------------------------------------------
#
# Standard Python modules
#
#-------------------------------------------------------------------------
from gettext import gettext as _
#-------------------------------------------------------------------------
#
# GRAMPS modules
#
#-------------------------------------------------------------------------
from Filters.Rules._Rule import Rule
import PlaceUtils
#-------------------------------------------------------------------------
#
# InLatLonNeighborhood
#
#-------------------------------------------------------------------------
class InLatLonNeighborhood(Rule):
"""Rule that checks if a place is in the neighborhood of a given
Latitude or Longitude or"""
labels = [_('Latitude:'), _('Longitude:'),
_('Rectangle height:'), _('Rectangle width:')]
name = _('Places in neighborhood of given position')
description = _("Matches places with latitude or longitude positioned in "
"a rectangle of given height and width (in degrees), and "
"with middlepoint the given latitude and longitude."
)
category = _('Position filters')
def prepare(self,db):
if self.list[0] :
try:
self.halfheight = float(self.list[2])/2.
except ValueError :
self.halfheight = None
if self.halfheight != None and self.halfheight<= 0. :
self.halfheight = None
else :
self.halfheight = -1
#give dummy value
self.list[0] = '0.0'
if self.list[1] :
try:
self.halfwidth = float(self.list[3])/2.
except ValueError :
self.halfwidth = None
if self.halfwidth!=None and self.halfwidth<= 0. :
self.halfwidth = None
else :
self.halfwidth = -1
#give dummy value
self.list[1] = '0.0'
#we allow a band instead of a triangle
self.lat, self.lon = PlaceUtils.conv_lat_lon(self.list[0],self.list[1],"D.D8")
if self.lat != None and self.lon != None :
self.lat = float(self.lat)
self.lon = float(self.lon)
else :
self.lat = None; self.lon = None
#we define the two squares we must look in
# can be 0, so check on None
if self.lat!=None and self.halfheight!=None and self.halfheight != -1 :
self.S = self.lat + self.halfheight
if self.S > 90. : self.S = 90.
self.N = self.lat - self.halfheight
if self.N < -90. : self.N = -90.
self.doublesquares = False
if self.lon!=None and self.halfwidth!=None and self.halfwidth != -1 :
if self.halfwidth >= 180. :
#the entire longitude is allowed, reset values
self.lon = 0.
self.E = 180.
self.W = -180.
else :
self.E = self.lon +self.halfwidth
self.W = self.lon -self.halfwidth
if self.E > 180. :
#we need to check in two squares:
self.doublesquares = True
self.E2 = self.E -360.
self.W2 = -180.
self.E = 180
if self.W < -180. :
#we need to check in two squares:
self.doublesquares = True
self.W2 = self.W + 360.
self.E2 = 180.
self.W = -180
def apply(self,db,place):
if self.halfheight == -1 and self.halfwidth ==-1 :
return False
# when given, must be valid
if self.lat == None or self.lon == None :
return False
# if height/width given, they must be valid
if self.halfheight == None or self.halfwidth == None :
return False
#now we know at least one is given in the filter and is valid
# the place we look at must have lat AND lon entered
if not ( place.get_latitude().strip and place.get_longitude().strip() ):
return False
latpl, lonpl = PlaceUtils.conv_lat_lon(place.get_latitude(),
place.get_longitude(),"D.D8")
if latpl and lonpl :
latpl = float(latpl)
lonpl = float(lonpl)
if self.halfheight != -1 :
# check lat
if latpl < self.N or latpl > self.S :
return False
if self.halfwidth != -1 :
#check lon: more difficult, we may cross the 180/-180 boundary
# and must keep counting
if self.doublesquares :
#two squares to look in :
if (lonpl <self.W or lonpl > self.E) and \
(lonpl <self.W2 or lonpl > self.E2) :
return False
elif (lonpl <self.W or lonpl > self.E) :
return False
return True
return False