def testVideoGeneration():
samp = loadBVHFile(os.path.join(os.path.dirname(__file__),
'../system/walk.bvh'), 0.01)
spl = SplinedBodyModel(samp)
positionEstimator = ContactTrackingKalmanFilter(
SampledBodyModel.structureCopy(samp),
initialTime = spl.startTime,
initialPosition = spl.position(spl.startTime),
initialVelocity = spl.velocity(spl.startTime))
dt = 0.01
sampleTimes = np.arange(spl.startTime + dt, spl.endTime, dt)
for t in sampleTimes:
data = [{'jointName' : p.name,
'linearAcceleration' : p.acceleration(t)}
for p in spl.joints]
positionEstimator(data, t)
outdir = tempfile.mkdtemp()
filename = os.path.join(outdir, 'movie.avi')
autoPositionCamera()
renderSolenoidCoil(
SolenoidMagneticField(200,20,0.05,0.2, AffineTransform()))
createVideo(filename, [BodyModelRenderer(spl),
VelocityVectorRenderer(spl.getPoint('ltoes_end')),
ContactProbabilityRenderer(spl)],
spl.startTime, spl.startTime + 1, 3, (320, 200))
assert os.path.exists(filename)
shutil.rmtree(outdir)