def toggleFootstepWidget(displayPoint, view, useHorizontalWidget=False): obj, _ = vis.findPickedObject(displayPoint, view) if not obj: return False name = obj.getProperty('Name') if name in ('footstep widget', 'footstep widget frame'): om.removeFromObjectModel(om.findObjectByName('footstep widget')) return True match = re.match('^step (\d+)$', name) if not match: return False stepIndex = int(match.group(1)) existingWidget = om.findObjectByName('footstep widget') if existingWidget: previousStep = existingWidget.stepIndex print 'have existing widget for step:', stepIndex om.removeFromObjectModel(existingWidget) if previousStep == stepIndex: print 'returning because widget was for selected step' return True footMesh = shallowCopy(obj.polyData) footFrame = transformUtils.copyFrame(obj.getChildFrame().transform) if useHorizontalWidget: rpy = [0.0, 0.0, transformUtils.rollPitchYawFromTransform(footFrame)[2]] footFrame = transformUtils.frameFromPositionAndRPY(footFrame.GetPosition(), np.degrees(rpy)) footObj = vis.showPolyData(footMesh, 'footstep widget', parent='planning', alpha=0.2) footObj.stepIndex = stepIndex frameObj = vis.showFrame(footFrame, 'footstep widget frame', parent=footObj, scale=0.2) footObj.actor.SetUserTransform(frameObj.transform) footObj.setProperty('Color', obj.getProperty('Color')) frameObj.setProperty('Edit', True) rep = frameObj.widget.GetRepresentation() rep.SetTranslateAxisEnabled(2, False) rep.SetRotateAxisEnabled(0, False) rep.SetRotateAxisEnabled(1, False) frameObj.widget.HandleRotationEnabledOff() walkGoal = om.findObjectByName('walking goal') if walkGoal: walkGoal.setProperty('Edit', False) def onFootWidgetChanged(frame): footstepsDriver.onStepModified(stepIndex - 1, frame) frameObj.connectFrameModified(onFootWidgetChanged) return True
def onFrameModified(self, frame): pos, rpy = self.frame.transform.GetPosition( ), transformUtils.rollPitchYawFromTransform(self.frame.transform) q = self.jointController.q.copy() q[:3] = pos q[3:6] = rpy self.jointController.setPose('moved_pose', q)
def onRobotStateModelChanged(self, model=None): if self.lfootFrame is None: return newPelvisToWorld = self.getPelvisEstimate() q = robotStateJointController.q.copy() q[0:3] = newPelvisToWorld.GetPosition() q[3:6] = transformUtils.rollPitchYawFromTransform(newPelvisToWorld) playbackJointController.setPose('lock_pose', q)
def testEuler(): ''' Test some euler conversions ''' quat = transformations.random_quaternion() pos = np.random.rand(3) frame = transformUtils.transformFromPose(pos, quat) mat = transformUtils.getNumpyFromTransform(frame) rpy = transformUtils.rollPitchYawFromTransform(frame) rpy2 = transformations.euler_from_matrix(mat) print rpy print rpy2 assert np.allclose(rpy, rpy2)
def getFeetMidPoint(model, useWorldZ=True): ''' Returns a frame in world coordinate system that is the average of the left and right foot reference point positions in world frame, the average of the left and right foot yaw in world frame, and Z axis aligned with world Z. The foot reference point is the average of the foot contact points in the foot frame. ''' contact_pts_left, contact_pts_right = FootstepsDriver.getContactPts() contact_pts_mid_left = np.mean(contact_pts_left, axis=0) # mid point on foot relative to foot frame contact_pts_mid_right = np.mean(contact_pts_right, axis=0) # mid point on foot relative to foot frame t_lf_mid = model.getLinkFrame(_leftFootLink) t_lf_mid.PreMultiply() t_lf_mid.Translate(contact_pts_mid_left) t_rf_mid = model.getLinkFrame(_rightFootLink) t_rf_mid.PreMultiply() t_rf_mid.Translate(contact_pts_mid_right) if (_robotType == 0): # Atlas t_feet_mid = transformUtils.frameInterpolate(t_lf_mid, t_rf_mid, 0.5) elif (_robotType == 1): # Valkyrie v1 Foot orientation is silly l_foot_sole = transformUtils.frameFromPositionAndRPY([0,0,0], [180.0, 82.5, 0]) l_foot_sole.PostMultiply() l_foot_sole.Concatenate(t_lf_mid) r_foot_sole = transformUtils.frameFromPositionAndRPY([0,0,0], [0.0, -82.5, 0]) r_foot_sole.PostMultiply() r_foot_sole.Concatenate(t_rf_mid) t_feet_mid = transformUtils.frameInterpolate(l_foot_sole, r_foot_sole, 0.5) elif (_robotType == 2): # Valkyrie v2 is better t_feet_mid = transformUtils.frameInterpolate(t_lf_mid, t_rf_mid, 0.5) if useWorldZ: rpy = [0.0, 0.0, np.degrees(transformUtils.rollPitchYawFromTransform(t_feet_mid)[2])] return transformUtils.frameFromPositionAndRPY(t_feet_mid.GetPosition(), rpy) else: return t_feet_mid
def testEulerBotpy(): ''' Test some quaternion and euler conversions with botpy ''' quat = transformations.random_quaternion() rpy = transformations.euler_from_quaternion(quat) rpy2 = botpy.quat_to_roll_pitch_yaw(quat) quat2 = botpy.roll_pitch_yaw_to_quat(rpy) mat = transformations.quaternion_matrix(quat) frame = transformUtils.getTransformFromNumpy(mat) rpy3 = transformUtils.rollPitchYawFromTransform(frame) print quat, quat2 print rpy, rpy2, rpy3 assert isQuatEqual(quat, quat2) assert np.allclose(rpy, rpy2) assert np.allclose(rpy2, rpy3)
def poseFromAffordance(aff): t = aff.getChildFrame().transform position, quat = transformUtils.poseFromTransform(t) rpy = transformUtils.rollPitchYawFromTransform(t) return urdf.Pose(position, rpy)
def onFrameModified(self, frame): pos, rpy = self.frame.transform.GetPosition(), transformUtils.rollPitchYawFromTransform(self.frame.transform) q = self.jointController.q.copy() q[:3] = pos q[3:6] = rpy self.jointController.setPose('moved_pose', q)