mirror of https://github.com/ArduPilot/ardupilot
92 lines
3.0 KiB
Python
Executable File
92 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python3
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'''
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trajectory viewer for aerobatic logs
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'''
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from panda3d_viewer import Viewer, ViewerConfig
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from pymavlink.quaternion import QuaternionBase, Quaternion
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from pymavlink.rotmat import Vector3, Matrix3
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from pymavlink import mavutil
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import math, sys
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# quaternion to rotate to fix NED to ENU conversion
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q_NED_ENU = Quaternion([0, -math.sqrt(2.0)*0.5, -math.sqrt(2)*0.5, 0])
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def qtuple(q):
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'''
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return a quaternion tuple. We mirror on the Z axis by changing
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the sign of two elements to cope with the different conventions
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'''
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return (q[0],q[1],q[2],q[3])
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config = ViewerConfig()
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config.set_window_size(320, 240)
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config.enable_antialiasing(True, multisamples=4)
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def view_path(viewer, path, color):
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idx = 0
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print("Plotting %u points" % len(path))
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m = Matrix3()
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m.from_euler(0, math.radians(90), 0)
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qorient = Quaternion(m)
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for i in range(1,len(path)):
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p0 = path[i-1]
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p1 = path[i]
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dx = p1.pos[0] - p0.pos[0]
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dy = p1.pos[1] - p0.pos[1]
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dz = p1.pos[2] - p0.pos[2]
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dt = p1.t - p0.t
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if dt > 0.5:
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continue
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dist = math.sqrt(dx**2+dy**2+dz**2)+0.001
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if dist <= 0:
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continue
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if math.isnan(p1.q[0]) or math.isnan(p1.q[1]) or math.isnan(p1.q[2]) or math.isnan(p1.q[3]):
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continue
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pname = 'p%u' % i
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viewer.append_box('root', pname, (dist, 0.1, 0.002), frame=(p1.pos,qtuple(p1.q)))
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viewer.set_material('root', pname, color_rgba=color)
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class LogPoint(object):
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def __init__(self, x,y,z,q,t):
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# convert from NED to ENU
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global q_NED_ENU
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self.pos = (y,x,-z)
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self.q = q_NED_ENU * q
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self.t = t
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def show_log(viewer,filename):
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print("Viewing %s" % filename)
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mlog = mavutil.mavlink_connection(filename)
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path_POST = []
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path_POSM = []
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path_POSB = []
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ATT = None
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scale = 0.01
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while True:
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m = mlog.recv_match(type=['POST', 'POSB', 'POSM', 'ATT'])
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if m is None:
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break
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if m.get_type() == 'POST' and ATT is not None:
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path_POST.append(LogPoint(m.px*scale, m.py*scale, m.pz*scale, Quaternion([m.q1, m.q2, m.q3, m.q4]), m.TimeUS*1.0e-6))
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if m.get_type() == 'POSB' and ATT is not None:
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path_POSB.append(LogPoint(m.px*scale, m.py*scale, m.pz*scale, Quaternion([m.q1, m.q2, m.q3, m.q4]), m.TimeUS*1.0e-6))
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if m.get_type() == 'POSM' and ATT is not None:
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path_POSM.append(LogPoint(m.px*scale, m.py*scale, m.pz*scale, Quaternion([m.q1, m.q2, m.q3, m.q4]), m.TimeUS*1.0e-6))
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if m.get_type() == 'ATT':
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ATT = m
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view_path(viewer, path_POST, (0.7,0.1,0.1,1))
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view_path(viewer, path_POSM, (0.1,0.7,0.1,1))
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view_path(viewer, path_POSB, (0.1,0.1,0.7,1))
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filename = sys.argv[1]
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viewer = Viewer(window_type='onscreen', window_title=filename, config=config)
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viewer.append_group('root')
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show_log(viewer, sys.argv[1])
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viewer.reset_camera(pos=(0, -6, 1), look_at=(0, 0, 1))
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viewer.join()
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