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90 lines
2.3 KiB
90 lines
2.3 KiB
6 years ago
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#!/usr/bin/env python3
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import sys
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import time
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import matplotlib.pyplot as plt
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import numpy as np
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import cereal.messaging as messaging
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import zmq
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from common.transformations.coordinates import LocalCoord
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from cereal.services import service_list
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SCALE = 20.
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def mpc_vwr_thread(addr="127.0.0.1"):
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plt.ion()
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fig = plt.figure(figsize=(15, 15))
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ax = fig.add_subplot(1,1,1)
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ax.set_xlim([-SCALE, SCALE])
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ax.set_ylim([-SCALE, SCALE])
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ax.grid(True)
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line, = ax.plot([0.0], [0.0], ".b")
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line2, = ax.plot([0.0], [0.0], 'r')
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ax.set_aspect('equal', 'datalim')
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plt.show()
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live_location = messaging.sub_sock('liveLocation', addr=addr, conflate=True)
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gps_planner_points = messaging.sub_sock('gpsPlannerPoints', conflate=True)
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gps_planner_plan = messaging.sub_sock('gpsPlannerPlan', conflate=True)
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last_points = messaging.recv_one(gps_planner_points)
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last_plan = messaging.recv_one(gps_planner_plan)
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while True:
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p = messaging.recv_one_or_none(gps_planner_points)
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pl = messaging.recv_one_or_none(gps_planner_plan)
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ll = messaging.recv_one(live_location).liveLocation
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if p is not None:
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last_points = p
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if pl is not None:
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last_plan = pl
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if not last_plan.gpsPlannerPlan.valid:
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time.sleep(0.1)
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line2.set_color('r')
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continue
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p0 = last_points.gpsPlannerPoints.points[0]
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p0 = np.array([p0.x, p0.y, p0.z])
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n = LocalCoord.from_geodetic(np.array([ll.lat, ll.lon, ll.alt]))
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points = []
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print(len(last_points.gpsPlannerPoints.points))
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for p in last_points.gpsPlannerPoints.points:
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ecef = np.array([p.x, p.y, p.z])
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points.append(n.ecef2ned(ecef))
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points = np.vstack(points)
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line.set_xdata(points[:, 1])
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line.set_ydata(points[:, 0])
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y = np.matrix(np.arange(-100, 100.0, 0.5))
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x = -np.matrix(np.polyval(last_plan.gpsPlannerPlan.poly, y))
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xy = np.hstack([x.T, y.T])
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cur_heading = np.radians(ll.heading - 90)
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c, s = np.cos(cur_heading), np.sin(cur_heading)
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R = np.array([[c, -s], [s, c]])
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xy = xy.dot(R)
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line2.set_xdata(xy[:, 1])
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line2.set_ydata(-xy[:, 0])
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line2.set_color('g')
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ax.set_xlim([-SCALE, SCALE])
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ax.set_ylim([-SCALE, SCALE])
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fig.canvas.draw()
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fig.canvas.flush_events()
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if __name__ == "__main__":
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if len(sys.argv) > 1:
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mpc_vwr_thread(sys.argv[1])
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else:
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mpc_vwr_thread()
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