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neo1973-germany
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added pygpsd dbus support, added prototypes for dynamic proloading and wikipedia markers

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git-svn-id: http://www.neo1973-germany.de/svn@21 46df4e5c-bc4e-4628-a0fc-830ba316316d
main
josch 17 years ago
parent e41093b19d
commit c66496ed74
2 changed files with 108 additions and 65 deletions
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2
pylgrim/osmdump.py
Unescape Escape View File

@ -46,7 +46,7 @@ tiles = 0
for z in range(5,18):
x1,y1 = getxy(lat1, lon1, z)
x2,y2 = getxy(lat2, lon2, z)
tiles += (x2-x1)*(y1-y2)
tiles += (x2+1-x1)*(y1+1-y2)
print "do you really want to download %d tiles? [Y/n]"%tiles,
data = sys.stdin.read(1)

171
pylgrim/pylgrim.py
Unescape Escape View File

@ -16,6 +16,11 @@
along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
#TODO: restructure tile loading
#TODO: add wikipedia geotagging
#TODO: add dynamic preloading
#TODO: add gps connection
WIDTH = 480
HEIGHT = 640
@ -25,7 +30,7 @@ WM_CLASS = "swallow"
import os
import sys
import e_dbus
from e_dbus import DBusEcoreMainLoop
import evas
import evas.decorators
import edje
@ -36,6 +41,7 @@ from dbus import SystemBus, Interface
from optparse import OptionParser
import time
import math
import urllib
class tile(evas.Image):
def __init__(self, canvas):
@ -48,6 +54,18 @@ class tile(evas.Image):
def set_position(self, x, y):
self.position = (x,y)
self.move(x,y)
class mark(evas.Image):
def __init__(self, canvas):
evas.Image.__init__(self,canvas)
self.pass_events = True
self.show()
#we need this to store the original position while the zoom animations
self.position = (0,0)
def set_position(self, x, y):
self.position = (x,y)
self.move(x,y)
class TestView(edje.Edje):
def on_key_down(self, obj, event):
@ -93,7 +111,6 @@ class TestView(edje.Edje):
def download(self, x,y,z):
import urllib
try:
webFile = urllib.urlopen("http://a.tile.openstreetmap.org/%d/%d/%d.png"%(z,x,y))
if not os.path.exists("%d"%z):
@ -140,55 +157,101 @@ class TestView(edje.Edje):
#global list for tiles to download
self.tiles_to_download = []
self.tiles_to_download_total = 0
self.tiles_to_preload = []
#initial lat,lon,zoom
self.lat = 49.009051
self.lon = 8.402481
self.z = 10
self.lat = 0
self.lon = 0
self.x = 0
self.y = 0
self.z = 0
self.offset_x = 0
self.offset_y = 0
self.icons = []
self.overlay = edje.Edje(self.evas_canvas.evas_obj.evas, file=f, group='overlay')
self.overlay.size = self.evas_canvas.evas_obj.evas.size
self.overlay.layer = 1
self.overlay.layer = 2
self.evas_canvas.evas_obj.data["overlay"] = self.overlay
self.overlay.show()
self.progress_bg = evas.Rectangle(self.evas_canvas.evas_obj.evas)
self.progress_bg.geometry = 0,0,0,0
self.progress_bg.color = 255, 255, 255, 255
self.progress_bg.layer = 2
self.progress_bg.layer = 3
self.progress_bg.show()
self.progress = evas.Rectangle(self.evas_canvas.evas_obj.evas)
self.progress.geometry = 0,0,0,0
self.progress.color = 255, 0, 0, 255
self.progress.layer = 3
self.progress.layer = 4
self.progress.show()
self.border_x = 0
self.border_y = 0
#calculate size of tile raster
self.border_x = int(math.ceil(self.size[0]/256.0))
self.border_y = int(math.ceil(self.size[1]/256.0))
self.mouse_down = False
self.animate = False
self.set_current_tile(self.lat, self.lon, self.z)
self.set_current_tile(49.009051, 8.402481, 10)
'''
self.marker = mark(self.evas_canvas.evas_obj.evas)
self.marker.file_set("blue-dot.png")
self.marker.lat = 49.073866
self.marker.lon = 8.184814
self.marker.size_set(32,32)
self.marker.fill_set(0,0,32,32)
self.marker.x = (self.marker.lon+180)/360 * 2**self.z
self.marker.y = (1-math.log(math.tan(self.marker.lat*math.pi/180) + 1/math.cos(self.marker.lat*math.pi/180))/math.pi)/2 * 2**self.z
self.marker.offset_x, self.marker.offset_y = int((self.marker.x-int(self.marker.x))*256),int((self.marker.y-int(self.marker.y))*256)
self.marker.set_position(self.size[0]/2-16+256*(int(self.marker.x)-int(self.x))+self.marker.offset_x-self.offset_x, self.size[1]/2-32+256*(int(self.marker.y)-int(self.y))+self.marker.offset_y-self.offset_y)
self.marker.layer = 1
self.marker.show()
'''
ecore.timer_add(3, self.init_dbus)
def init_dbus(self):
print 'LocationFeed init_dbus'
try:
gps_obj = SystemBus(mainloop=DBusEcoreMainLoop()).get_object('org.mobile.gps', '/org/mobile/gps/RemoteObject')
gps_name = 'org.mobile.gps.RemoteInterface'
gps_obj.connect_to_signal("position", self.position, dbus_interface=gps_name)
self.gps_interface = Interface(gps_obj, gps_name)
return False
except Exception, e:
print 'LocationFeed', e
return True
def position(self, content):
print 'position', content['longitude'], content['latitude']
if self.animate == False:
self.set_current_tile(float(content['latitude']), float(content['longitude']), self.z)
#jump to coordinates
def set_current_tile(self, lat, lon, z):
self.z = z
self.x = (lon+180)/360 * 2**z
self.y = (1-math.log(math.tan(lat*math.pi/180) + 1/math.cos(lat*math.pi/180))/math.pi)/2 * 2**z
self.offset_x, self.offset_y = int((self.x-int(self.x))*256),int((self.y-int(self.y))*256)
self.init_redraw()
x = (lon+180)/360 * 2**z
y = (1-math.log(math.tan(lat*math.pi/180) + 1/math.cos(lat*math.pi/180))/math.pi)/2 * 2**z
offset_x, offset_y = int((x-int(x))*256),int((y-int(y))*256)
#only redraw if x, y, z, offset_x or offset_y differ from before
if int(x) != int(self.x) \
or int(y) != int(self.y) \
or z != self.z \
or offset_x != self.offset_x \
or offset_y != self.offset_y:
self.z = z
self.x = x
self.y = y
self.offset_x, self.offset_y = offset_x, offset_y
self.init_redraw()
def init_redraw(self):
print "redraw"
self.animate = True
#calculate size of tile raster - reload if it differs from before eg. when size changes
self.border_x = int(math.ceil(self.size[0]/256.0))
self.border_y = int(math.ceil(self.size[1]/256.0))
#reload icons list if its length differs from before eg. when size changes
if len(self.icons) != (2*self.border_x+1)*(2*self.border_y+1):
print "x:", self.border_x
print "y:", self.border_y
@ -206,6 +269,21 @@ class TestView(edje.Edje):
if not os.path.exists("%d/%d/%d.png"%(self.z,self.x+i-self.border_x,self.y+j-self.border_y)):
self.tiles_to_download.append((self.z,self.x+i-self.border_x,self.y+j-self.border_y))
self.tiles_to_download_total = len(self.tiles_to_download)
'''
#add additional tiles around the raster to a preload list
for i in xrange(2*self.border_x+3):
if i == 0 or i == 2*self.border_x+2:
#if first or last row, download full row
for j in xrange(2*self.border_y+3):
if not os.path.exists("%d/%d/%d.png"%(self.z,self.x+i-self.border_x-1,self.y+j-self.border_y-1)):
self.tiles_to_preload.append((self.z,self.x+i-self.border_x-1,self.y+j-self.border_y-1))
#lots TODO here
#let preload more than one tile - maybe a preload_border_x/y variable
#manage simultaneos proeloads
#manage not preloading duplicates
else
#else download first and last tile
'''
#if there are tiles to download, display progress bar
if self.tiles_to_download_total > 0:
self.progress_bg.geometry = 39, self.size[1]/2-1, self.size[0]-78,22
@ -221,7 +299,7 @@ class TestView(edje.Edje):
self.download(x,y,z)
return True
#if all tiles are downloaded
#we get here if all tiles are downloaded
for i in xrange(2*self.border_x+1):
for j in xrange(2*self.border_y+1):
#if some errors occur replace with placeholder
@ -271,8 +349,7 @@ class TestView(edje.Edje):
return True
self.zoom_step = 0.0
self.z+=1
self.set_current_tile(self.lat, self.lon, self.z)
self.set_current_tile(self.lat, self.lon, self.z+1)
else:
self.animate = False
return False
@ -286,8 +363,7 @@ class TestView(edje.Edje):
return True
self.zoom_step = 0.0
self.z-=1
self.set_current_tile(self.lat, self.lon, self.z)
self.set_current_tile(self.lat, self.lon, self.z-1)
else:
self.animate = False
return False
@ -307,7 +383,8 @@ class TestView(edje.Edje):
def on_mouse_up(self, emission, source):
self.mouse_down = False
if not self.animate:
if abs(self.current_pos[0]) > self.size[0]/2 or abs(self.current_pos[1]) > self.size[1]/2:
#redraw if moved further than one tile in each direction 'cause the preoload will only download one tile further than requested
if abs(self.current_pos[0]) > 256 or abs(self.current_pos[1]) > 256:
self.x = int(self.x) + (self.offset_x-self.current_pos[0])/256.0
self.y = int(self.y) + (self.offset_y-self.current_pos[1])/256.0
self.offset_x, self.offset_y = int((self.x-int(self.x))*256),int((self.y-int(self.y))*256)
@ -327,6 +404,8 @@ class TestView(edje.Edje):
icon.set_position(icon.pos[0]-delta_x,icon.pos[1]-delta_y)
self.current_pos = (self.current_pos[0]-delta_x,self.current_pos[1]-delta_y)
#self.marker.set_position(self.marker.pos[0]-delta_x,self.marker.pos[1]-delta_y)
class EvasCanvas(object):
def __init__(self, fullscreen, engine, size):
@ -354,6 +433,9 @@ class EvasCanvas(object):
size = (w, h)
for key in evas_obj.data.keys():
evas_obj.data[key].size = size
#calculate size of tile raster
evas_obj.data["main"].border_x = int(math.ceil(evas_obj.data["main"].size[0]/256.0))
evas_obj.data["main"].border_y = int(math.ceil(evas_obj.data["main"].size[1]/256.0))
evas_obj.data["main"].init_redraw()
def on_delete_request(self, evas_obj):
@ -400,45 +482,6 @@ class myOptionParser(OptionParser):
raise optparse.OptionValueError("Invalid format for %s" % option)
parser.values.geometry = (w, h)
class dbus(object):
def __init__(self):
try:
obj = SystemBus(mainloop=e_dbus.DBusEcoreMainLoop()).get_object('org.mobile.gsm', '/org/mobile/gsm/RemoteObject')
except Exception, e:
print e
raise SystemExit
#connect functions to dbus events
dbus_interface = 'org.mobile.gsm.RemoteInterface'
for fkt in (self.modem_info, self.sim_info, self.network_info, self.gsmCRING, self.gsmNO_CARRIER, self.gsmBUSY, self.error,):
obj.connect_to_signal(fkt.__name__, fkt, dbus_interface=dbus_interface)
gsm = Interface(obj, dbus_interface)
#get status info on startup
gsm.FireModemInfo()
gsm.FireNetworkInfo()
def modem_info(self, array):
print array
def sim_info(self, array):
print array
def network_info(self, array):
print array
def gsmBUSY(self, string):
print string
def gsmCRING(self, string):
print string
def gsmNO_CARRIER(self, *values):
print values
def error(self, string):
print string
if __name__ == "__main__":
TestView()
#dbus()

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