Example #1
0
    def transformPlanToBDIFrame(self, plan):
        if (self.pose_bdi is None):
            # print "haven't received POSE_BDI"
            return

        # TODO: This transformation should be rewritten using the LOCAL_TO_LOCAL_BDI frame
        # instead of using FK here

        t_bodybdi  = transformUtils.transformFromPose(self.pose_bdi.pos, self.pose_bdi.orientation)
        t_bodybdi.PostMultiply()

        current_pose = self.jointController.q
        t_bodymain = transformUtils.transformFromPose( current_pose[0:3]  , transformUtils.rollPitchYawToQuaternion(current_pose[3:6])   )
        t_bodymain.PostMultiply()

        # iterate and transform
        self.bdi_plan = plan.decode( plan.encode() ) # decode and encode ensures deepcopy
        for i, footstep in enumerate(self.bdi_plan.footsteps):
            step = footstep.pos

            t_step = transformUtils.frameFromPositionMessage(step)
            t_body_to_step = vtk.vtkTransform()
            t_body_to_step.DeepCopy(t_step)
            t_body_to_step.PostMultiply()
            t_body_to_step.Concatenate(t_bodymain.GetLinearInverse())

            t_stepbdi = vtk.vtkTransform()
            t_stepbdi.DeepCopy(t_body_to_step)
            t_stepbdi.PostMultiply()
            t_stepbdi.Concatenate(t_bodybdi)
            footstep.pos = transformUtils.positionMessageFromFrame(t_stepbdi)

        if (self.showBDIPlan is True):
            self.drawBDIFootstepPlan()
Example #2
0
    def transformPlanToBDIFrame(self, plan):
        if (self.pose_bdi is None):
            # print "haven't received POSE_BDI"
            return

        # TODO: This transformation should be rewritten using the LOCAL_TO_LOCAL_BDI frame
        # instead of using FK here

        t_bodybdi  = transformUtils.transformFromPose(self.pose_bdi.pos, self.pose_bdi.orientation)
        t_bodybdi.PostMultiply()

        current_pose = self.jointController.q
        t_bodymain = transformUtils.transformFromPose( current_pose[0:3]  , transformUtils.rollPitchYawToQuaternion(current_pose[3:6])   )
        t_bodymain.PostMultiply()

        # iterate and transform
        self.bdi_plan = plan.decode( plan.encode() ) # decode and encode ensures deepcopy
        for i, footstep in enumerate(self.bdi_plan.footsteps):
            step = footstep.pos

            t_step = transformUtils.frameFromPositionMessage(step)
            t_body_to_step = vtk.vtkTransform()
            t_body_to_step.DeepCopy(t_step)
            t_body_to_step.PostMultiply()
            t_body_to_step.Concatenate(t_bodymain.GetLinearInverse())

            t_stepbdi = vtk.vtkTransform()
            t_stepbdi.DeepCopy(t_body_to_step)
            t_stepbdi.PostMultiply()
            t_stepbdi.Concatenate(t_bodybdi)
            footstep.pos = transformUtils.positionMessageFromFrame(t_stepbdi)

        if (self.showBDIPlan is True):
            self.drawBDIFootstepPlan()
Example #3
0
def getPoseLCMFromXYZRPY(xyz, rpy):

    wxyz = transformUtils.rollPitchYawToQuaternion(rpy)

    trans = lcmdrc.vector_3d_t()
    trans.x, trans.y, trans.z = xyz

    quat = lcmdrc.quaternion_t()
    quat.w, quat.x, quat.y, quat.z = wxyz

    pose = lcmdrc.position_3d_t()
    pose.translation = trans
    pose.rotation = quat

    return pose
Example #4
0
def getPoseLCMFromXYZRPY(xyz, rpy):

    wxyz = transformUtils.rollPitchYawToQuaternion(rpy)

    trans = lcmdrc.vector_3d_t()
    trans.x, trans.y, trans.z = xyz

    quat = lcmdrc.quaternion_t()
    quat.w, quat.x, quat.y, quat.z = wxyz

    pose = lcmdrc.position_3d_t()
    pose.translation = trans
    pose.rotation = quat

    return pose