Geography : New marker layer with variable marker size.

svn: r19834
This commit is contained in:
Serge Noiraud 2012-06-12 21:27:17 +00:00
parent 7cc1a962ae
commit 56f5d50003
4 changed files with 196 additions and 13 deletions

View File

@ -9,6 +9,7 @@ pkgpython_PYTHON = \
geography.py\
__init__.py\
lifewaylayer.py\
markerlayer.py\
osmGps.py\
placeselection.py\
selectionlayer.py

View File

@ -144,13 +144,13 @@ class GeoGraphyView(OsmGps, NavigationView):
self.places_found = []
self.select_fct = None
self.geo_mainmap = gtk.gdk.pixbuf_new_from_file_at_size(
os.path.join(const.ROOT_DIR, "images", "22x22",
os.path.join(const.ROOT_DIR, "images", "48x48",
('gramps-geo-mainmap' + '.png' )),
22, 22)
48, 48)
self.geo_altmap = gtk.gdk.pixbuf_new_from_file_at_size(
os.path.join(const.ROOT_DIR, "images", "22x22",
os.path.join(const.ROOT_DIR, "images", "48x48",
('gramps-geo-altmap' + '.png' )),
22, 22)
48, 48)
if ( config.get('geography.map_service') in
( constants.OPENSTREETMAP, constants.OPENSTREETMAP_RENDERER )):
default_image = self.geo_mainmap
@ -161,9 +161,9 @@ class GeoGraphyView(OsmGps, NavigationView):
gen.lib.EventType.DEATH,
gen.lib.EventType.MARRIAGE ):
self.geo_othermap[ident] = gtk.gdk.pixbuf_new_from_file_at_size(
os.path.join(const.ROOT_DIR, "images", "22x22",
os.path.join(const.ROOT_DIR, "images", "48x48",
(constants.ICONS.get(int(ident), default_image) + '.png' )),
22, 22)
48, 48)
def change_page(self):
"""
@ -385,7 +385,7 @@ class GeoGraphyView(OsmGps, NavigationView):
"""
self.osm.remove_layer(layer)
def add_marker(self, menu, event, lat, lon, event_type, differtype):
def add_marker(self, menu, event, lat, lon, event_type, differtype, count):
"""
Add a new marker
"""
@ -400,8 +400,7 @@ class GeoGraphyView(OsmGps, NavigationView):
value = self.geo_othermap.get(int(event_type), default_image)
if differtype: # in case multiple evts
value = default_image # we use default icon.
marker = self.osm.image_add_with_alignment(float(lat),
float(lon), value, 0.2, 1.0)
self.marker_layer.add_marker((float(lat), float(lon)), value, count)
def remove_all_gps(self):
"""
@ -489,6 +488,7 @@ class GeoGraphyView(OsmGps, NavigationView):
lat = 0.0
lon = 0.0
icon = None
count = 0
self.uistate.set_busy_cursor(True)
_LOG.debug("%s" % time.strftime("start create_marker : "
"%a %d %b %Y %H:%M:%S", time.gmtime()))
@ -500,19 +500,22 @@ class GeoGraphyView(OsmGps, NavigationView):
lon = mark[4]
icon = mark[7]
differtype = False
count = 1
continue
if last != current:
self.add_marker(None, None, lat, lon, icon, differtype)
self.add_marker(None, None, lat, lon, icon, differtype, count)
differtype = False
count = 1
last = current
lat = mark[3]
lon = mark[4]
icon = mark[7]
else: # This marker already exists. add info.
count += 1
if icon != mark[7]:
differtype = True
if ( lat != 0.0 and lon != 0.0 ):
self.add_marker(None, None, lat, lon, icon, differtype)
self.add_marker(None, None, lat, lon, icon, differtype, count)
self._set_center_and_zoom()
_LOG.debug("%s" % time.strftime(" stop create_marker : "
"%a %d %b %Y %H:%M:%S", time.gmtime()))
@ -810,7 +813,7 @@ class GeoGraphyView(OsmGps, NavigationView):
new_place.set_main_location(loc)
try:
EditPlace(self.dbstate, self.uistate, [], new_place)
self.add_marker(None, None, plat, plon, None, True)
self.add_marker(None, None, plat, plon, None, True, 0)
except WindowActiveError:
pass
@ -851,7 +854,7 @@ class GeoGraphyView(OsmGps, NavigationView):
place.set_main_location(loc)
try:
EditPlace(self.dbstate, self.uistate, [], place)
self.add_marker(None, None, plat, plon, None, True)
self.add_marker(None, None, plat, plon, None, True, 0)
except WindowActiveError:
pass

View File

@ -0,0 +1,162 @@
# -*- python -*-
# -*- coding: utf-8 -*-
#
# Gramps - a GTK+/GNOME based genealogy program
#
# Copyright (C) 2011-2012 Serge Noiraud
#
# 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
#
# $Id: grampsmaps.py 18399 2011-11-02 17:15:20Z noirauds $
#-------------------------------------------------------------------------
#
# Python modules
#
#-------------------------------------------------------------------------
import os
import gobject
from math import *
#------------------------------------------------------------------------
#
# Set up logging
#
#------------------------------------------------------------------------
import logging
_LOG = logging.getLogger("maps.marker")
#-------------------------------------------------------------------------
#
# GTK/Gnome modules
#
#-------------------------------------------------------------------------
import gtk
#-------------------------------------------------------------------------
#
# Gramps Modules
#
#-------------------------------------------------------------------------
import const
import cairo
#-------------------------------------------------------------------------
#
# osmGpsMap
#
#-------------------------------------------------------------------------
try:
import osmgpsmap
except:
raise
class MarkerLayer(gobject.GObject, osmgpsmap.GpsMapLayer):
"""
This is the layer used to display the markers.
"""
def __init__(self):
"""
Initialize the layer
"""
gobject.GObject.__init__(self)
self.markers = []
self.max_references = 0
self.max_places = 0
self.nb_ref_by_places = 0
self.max_value = 0
self.min_value = 9999
def clear_markers(self):
"""
reset the layer attributes.
"""
self.markers = []
self.max_references = 0
self.max_places = 0
self.nb_ref_by_places = 0
self.max_value = 0
self.min_value = 9999
def add_marker(self, points, image, count):
"""
Add a track or life marker.
"""
self.markers.append((points, image, count))
self.max_references += count
self.max_places += 1
if count > self.max_value:
self.max_value = count
if count < self.min_value:
self.min_value = count
self.nb_ref_by_places = self.max_references / self.max_places
def do_draw(self, gpsmap, drawable):
"""
Draw all tracks or life markers.
"""
ctx = drawable.cairo_create()
max_interval = self.max_value - self.nb_ref_by_places
min_interval = self.nb_ref_by_places - self.min_value
if min_interval == 0:
min_interval = 0.01
for marker in self.markers:
ctx.save()
# the icon size in 48, so the standard icon size is 0.6 * 48 = 28.8
size = 0.6
if float(marker[2]) > self.nb_ref_by_places:
# at maximum, we'll have an icon size = (0.6 + 0.3) * 48 = 43.2
size += ( 0.3 * ( ( float(marker[2]) - self.nb_ref_by_places )/ max_interval) )
else:
# at minimum, we'll have an icon size = (0.6 - 0.3) * 48 = 14.4
size -= ( 0.3 * ( ( self.nb_ref_by_places - float(marker[2]) )/ min_interval) )
conv_pt = osmgpsmap.point_new_degrees(float(marker[0][0]),
float(marker[0][1]))
coord_x, coord_y = gpsmap.convert_geographic_to_screen(conv_pt)
ctx.translate(coord_x, coord_y)
ctx.scale( size, size)
# below, we must found one solution to place exactly the marker
# depending on its size. Normaly, the left top of the image is set to the coordinates
# The tip of the pin which should be at the marker position is at 3/18 of the width.
# rounding problem ?
posY = - (( 48 * size + 5 ) / ( 16.0 / 18.0 )) - 2
posX = - (( 48 * size + 5 ) / 6 ) - 2 # 6 <= 3/18 = 1/6
ctx.set_source_pixbuf(marker[1], posX, posY)
ctx.paint()
ctx.restore()
def do_render(self, gpsmap):
"""
render the layer
"""
pass
def do_busy(self):
"""
set the layer busy
"""
return False
def do_button_press(self, gpsmap, gdkeventbutton):
"""
When we press a button.
"""
return False
gobject.type_register(MarkerLayer)

View File

@ -56,6 +56,7 @@ from dummylayer import DummyLayer
from dummynogps import DummyMapNoGpsPoint
from selectionlayer import SelectionLayer
from lifewaylayer import LifeWayLayer
from markerlayer import MarkerLayer
from datelayer import DateLayer
from gen.ggettext import sgettext as _
from gen.config import config
@ -84,6 +85,7 @@ class OsmGps():
self.zone_selection = False
self.selection_layer = None
self.lifeway_layer = None
self.marker_layer = None
self.date_layer = None
self.context_id = 0
self.begin_selection = None
@ -138,6 +140,7 @@ class OsmGps():
self.osm.layer_add(DummyLayer())
self.selection_layer = self.add_selection_layer()
self.lifeway_layer = self.add_lifeway_layer()
self.marker_layer = self.add_marker_layer()
self.date_layer = self.add_date_layer()
self.cross_map = osmgpsmap.GpsMapOsd( show_crosshair=False)
self.set_crosshair(config.get("geography.show_cross"))
@ -181,6 +184,20 @@ class OsmGps():
"""
return self.date_layer
def add_marker_layer(self):
"""
add the marker layer
"""
marker_layer = MarkerLayer()
self.osm.layer_add(marker_layer)
return marker_layer
def get_marker_layer(self):
"""
get the marker layer
"""
return self.marker_layer
def add_lifeway_layer(self):
"""
add the track or life ways layer