def draw(self, proj, mouse_x, mouse_y, ui_manager):
self.painter = BatchPainter()
self.painter.set_color([0,0,255])
df = self.data.where((self.data['timestamp'] > self.t) & (self.data['timestamp'] <= self.t + 30*60))
proj.fit(BoundingBox.from_points(lons=df['lon'], lats=df['lat']), max_zoom=14)
x, y = proj.lonlat_to_screen(df['lon'], df['lat'])
self.painter.linestrip(x, y, 10)
self.t += 30
if self.t > self.data['timestamp'].max():
self.t = self.data['timestamp'].min()
self.painter.batch_draw()
ui_manager.info(epoch_to_str(self.t))
def draw(self, proj, mouse_x, mouse_y, ui_manager):
self.painter = BatchPainter()
df = self.data.where((self.data['timestamp'] > self.t) & (self.data['timestamp'] <= self.t + 15*60))
for taxi_id in set(df['taxi_id']):
grp = df.where(df['taxi_id'] == taxi_id)
self.painter.set_color(self.cmap[taxi_id])
x, y = proj.lonlat_to_screen(grp['lon'], grp['lat'])
self.painter.points(x, y, 10)
self.t += 2*60
if self.t > self.data['timestamp'].max():
self.t = self.data['timestamp'].min()
self.painter.batch_draw()
ui_manager.info(epoch_to_str(self.t))
def draw(self, proj, mouse_x, mouse_y, ui_manager):
self.painter = BatchPainter()
df = self.data.where((self.data['timestamp'] > self.t)
& (self.data['timestamp'] <= self.t + 15 * 60))
for taxi_id in set(df['taxi_id']):
grp = df.where(df['taxi_id'] == taxi_id)
self.painter.set_color(self.cmap[taxi_id])
x, y = proj.lonlat_to_screen(grp['lon'], grp['lat'])
self.painter.points(x, y, 10)
self.t += 2 * 60
if self.t > self.data['timestamp'].max():
self.t = self.data['timestamp'].min()
self.painter.batch_draw()
ui_manager.info(epoch_to_str(self.t))
def draw(self, proj, mouse_x, mouse_y, ui_manager):
self.painter = BatchPainter()
df = self.data.where((self.data['timestamp'] > self.t) & (self.data['timestamp'] <= self.t + 24*3600)) #set minimum time interval
for name in set(df['name']):
grp = df.where(df['name'] == name)
self.painter.set_color('blue') #set color, default: self.cmap[name]
x0, y0 = proj.lonlat_to_screen(grp['Slon'], grp['Slat'])
x1, y1 = proj.lonlat_to_screen(grp['Flon'], grp['Flat'])
self.painter.points(x0, y0, 3)
self.painter.lines(x0,y0,x1,y1,width=3)
self.t += 24*3600 #set animation step size
if self.t > self.data['timestamp'].max():
self.t = self.data['timestamp'].min()
self.painter.batch_draw()
ui_manager.info(epoch_to_str(self.t))
