- def tilename ( self , x , y , zoom ) :
- file = self.tile2file( self.reftile_x + x , self.reftile_y + y , zoom )
- try :
- os.stat(file)
- except :
- # if mapDownload :
- if False :
- try :
- # useful members : response.code, response.headers
- response = urllib2.urlopen( "http://tile.openstreetmap.org/%s/%s/%s.png" % ( zoom , x , y ) )
- if response.geturl() == "http://tile.openstreetmap.org/11/0/0.png" :
- return None
- fd = open( file , 'w' )
- fd.write( response.read() )
- fd.close()
- except :
- return None
- else :
- return None
- return file
-
- def tile2file( self , tilex , tiley , zoom ) :
- rootdir = "%s/%s/%s" % ( self.conf.mapsdir , self.conf.mapclass , zoom )
- if not os.path.isdir( rootdir ) :
- os.mkdir(rootdir)
- rootsubdir = "%s/%s" % ( rootdir , tilex )
- if not os.path.isdir( rootsubdir ) :
- os.mkdir(rootsubdir)
- return "%s/%s.png" % ( rootsubdir , tiley )
-
- def Shift( self , dx , dy ) :
- self.hide()
-
- tile_x , tile_y = ( self.refpix_x - dx ) / self.tile_size , ( self.refpix_y - dy ) / self.tile_size
- self.reftile_x += tile_x
- self.reftile_y += tile_y
-
- self.refpix_x -= dx + self.tile_size * tile_x
- self.refpix_y -= dy + self.tile_size * tile_y
-
- self.composeMap()
- self.show()
-
- def ZoomChange ( self , selector ) :
- model = selector.get_model(0)
- active = selector.get_active(0)
- value = model.get( model.get_iter(active) , 0 )
- self.SetZoom( int(value[0]) )
-
- def SetZoom( self , zoom ) :
- self.hide()
- lat = self.tiley2lat( ( self.reftile_y , self.refpix_y ) , self.conf.zoom )
- lon = self.tilex2lon( ( self.reftile_x , self.refpix_x ) , self.conf.zoom )
- self.reftile_x , self.refpix_x = self.lon2tilex( lon , zoom )
- self.reftile_y , self.refpix_y = self.lat2tiley( lat , zoom )
- self.conf.zoom = zoom
- self.composeMap()
- self.show()
-
- def Up( self ) :
- self.hide()
- self.reftile_y -= 1
- self.composeMap()
- self.show()
-
- def Down( self ) :
- self.hide()
- self.reftile_y += 1
- self.composeMap()
- self.show()
-
- def Right( self ) :
- self.hide()
- self.reftile_x += 1
- self.composeMap()
- self.show()
-
- def Left( self ) :
- self.hide()
- self.reftile_x -= 1
- self.composeMap()
- self.show()
-