236 lines
7.6 KiB
Python
236 lines
7.6 KiB
Python
# -*- python -*-
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# -*- coding: utf-8 -*-
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#
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# Gramps - a GTK+/GNOME based genealogy program
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#
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# Copyright (C) 2011 Serge Noiraud
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# $Id$
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#-------------------------------------------------------------------------
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#
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# Python modules
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#
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#-------------------------------------------------------------------------
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import sys
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import os
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import gobject
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#------------------------------------------------------------------------
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#
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# Set up logging
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#
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#------------------------------------------------------------------------
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import logging
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_LOG = logging.getLogger("maps.osmgpsmap")
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#-------------------------------------------------------------------------
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#
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# GTK/Gnome modules
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#
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#-------------------------------------------------------------------------
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import gtk
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#-------------------------------------------------------------------------
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#
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# Gramps Modules
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#
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#-------------------------------------------------------------------------
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import const
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import constants
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from gen.ggettext import sgettext as _
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from gen.ggettext import ngettext
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from config import config
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#-------------------------------------------------------------------------
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#
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# Constants
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#
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#-------------------------------------------------------------------------
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GEOGRAPHY_PATH = os.path.join(const.HOME_DIR, "maps")
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#-------------------------------------------------------------------------
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#
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# osmGpsMap
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#
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#-------------------------------------------------------------------------
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try:
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import osmgpsmap
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except:
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raise
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class DummyMapNoGpsPoint(osmgpsmap.GpsMap):
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def do_draw_gps_point(self, drawable):
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pass
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gobject.type_register(DummyMapNoGpsPoint)
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class DummyLayer(gobject.GObject, osmgpsmap.GpsMapLayer):
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def __init__(self):
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gobject.GObject.__init__(self)
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def do_draw(self, gpsmap, gdkdrawable):
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pass
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def do_render(self, gpsmap):
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pass
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def do_busy(self):
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return False
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def do_button_press(self, gpsmap, gdkeventbutton):
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return False
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gobject.type_register(DummyLayer)
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class SelectionLayer(gobject.GObject, osmgpsmap.GpsMapLayer):
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def __init__(self):
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gobject.GObject.__init__(self)
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self.circles = []
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def add_circle(self, r, lat, lon):
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self.circles.append((r, lat, lon))
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def do_draw(self, gpsmap, drawable):
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gc = drawable.new_gc()
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for circle in self.circles:
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top_left = osmgpsmap.point_new_degrees(circle[1] + circle[0],
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circle[2] - circle[0])
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bottom_right = osmgpsmap.point_new_degrees(circle[1] - circle[0],
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circle[2] + circle[0])
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x, y = gpsmap.convert_geographic_to_screen(top_left)
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x2, y2 = gpsmap.convert_geographic_to_screen(bottom_right)
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drawable.draw_arc(gc, False, x, y, x2 - x, y2 - y, 0, 360*64)
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def do_render(self, gpsmap):
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pass
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def do_busy(self):
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return False
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def do_button_press(self, gpsmap, gdkeventbutton):
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return False
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gobject.type_register(SelectionLayer)
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class osmGpsMap():
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def __init__(self):
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self.vbox = None
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self.cross_map = None
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self.osm = None
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self.show_tooltips = True
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self.selection_layer = None
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def build_widget(self):
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self.vbox = gtk.VBox(False, 0)
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cache_path = os.path.join(const.HOME_DIR, 'maps')
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if not os.path.isdir(cache_path):
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try:
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os.mkdir(cache_path, 0750)
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except:
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ErrorDialog(_("Can't create tiles cache directory %s") %
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cache_path )
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return self.vbox
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self.change_map(None,config.get("geography.map_service"))
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return self.vbox
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def change_map(self, obj, map_type):
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if obj is not None:
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self.osm.layer_remove_all()
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self.osm.image_remove_all()
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self.vbox.remove(self.osm)
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self.osm.destroy()
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tiles_path=os.path.join(GEOGRAPHY_PATH, constants.tiles_path[map_type])
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if not os.path.isdir(tiles_path):
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try:
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os.mkdir(tiles_path, 0750)
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except:
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ErrorDialog(_("Can't create tiles cache directory for '%s'.") %
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constants.map_title[map_type])
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config.set("geography.map_service", map_type)
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self.current_map = map_type
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if 0:
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self.osm = DummyMapNoGpsPoint()
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else:
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self.osm = osmgpsmap.GpsMap(tile_cache=tiles_path,
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map_source=constants.map_type[map_type])
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current_map = osmgpsmap.GpsMapOsd( show_dpad=False, show_zoom=True)
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self.osm.layer_add(current_map)
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self.osm.layer_add(DummyLayer())
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self.selection_layer = self.add_selection_layer()
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self.cross_map = osmgpsmap.GpsMapOsd( show_crosshair=False)
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self.set_crosshair(config.get("geography.show_cross"))
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self.osm.set_center_and_zoom(config.get("geography.center-lat"),
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config.get("geography.center-lon"),
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config.get("geography.zoom") )
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self.osm.connect('button_release_event', self.map_clicked)
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self.osm.connect('changed', self.zoom_changed)
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self.osm.show()
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self.vbox.pack_start(self.osm)
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if obj is not None:
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self._createmap(None)
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def add_selection_layer(self):
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selection_layer = SelectionLayer()
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self.osm.layer_add(selection_layer)
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return selection_layer
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def get_selection_layer(self):
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return self.selection_layer
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def remove_layer(self, layer):
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self.osm.layer_remove(layer)
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def zoom_changed(self, zoom):
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config.set("geography.zoom",self.osm.props.zoom)
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self.save_center(self.osm.props.latitude, self.osm.props.longitude)
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def save_center(self, lat, lon):
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"""
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Save the longitude and lontitude in case we switch between maps.
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"""
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config.set("geography.center-lat",lat)
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config.set("geography.center-lon",lon)
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def map_clicked(self, osm, event):
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lat,lon = self.osm.get_event_location(event).get_degrees()
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if event.button == 1:
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# do we click on a marker ?
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marker = self.is_there_a_marker_here(event, lat, lon)
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elif event.button == 3:
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self.build_nav_menu(osm, event, lat, lon )
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else:
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self.save_center(lat,lon)
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def is_there_a_marker_here(self, lat, lon):
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raise NotImplementedError
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def set_crosshair(self,active):
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"""
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Show or hide the crosshair ?
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"""
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if active:
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self.cross_map = osmgpsmap.GpsMapOsd( show_crosshair=True)
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self.osm.layer_add( self.cross_map )
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# The two following are to force the map to update
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self.osm.zoom_in()
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self.osm.zoom_out()
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else:
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self.osm.layer_remove(self.cross_map)
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pass
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