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GeomagicEmulator

Driver allowing interfacing with Geomagic haptic devices.

Target: Geomagic

namespace: sofa::component::controller

parents:

  • GeomagicDriver

Data

Name Description Default value
name object name unnamed
printLog if true, emits extra messages at runtime. 0
tags list of the subsets the object belongs to
bbox this object bounding box
componentState The state of the component among (Dirty, Valid, Undefined, Loading, Invalid). Undefined
listening if true, handle the events, otherwise ignore the events 0
handleEventTriggersUpdate Event handling frequency controls the controller update frequency 0
deviceName Name of device Configuration Default Device
positionBase Position of the device base in the SOFA scene world coordinates 0 0 0
orientationBase Orientation of the device base in the SOFA scene world coordinates 0 0 0 1
orientationTool Orientation of the tool in the SOFA scene world coordinates 0 0 0 1
scale Default scale applied to the Device coordinates 1
forceScale Default scaling factor applied to the force feedback 1
maxInputForceFeedback Maximum value of the normed input force feedback for device security 1
inputForceFeedback Input force feedback in case of no LCPForceFeedback is found (manual setting) 0 0 0
manualStart If true, will not automatically initDevice at component init phase. 0
emitButtonEvent If true, will send event through the graph when button are pushed/released 0
positionDevice position of the base of the part of the device
angle Angular values of joint (rad)
button1 Button state 1
button2 Button state 2
speedFactor factor to increase/decrease the movements speed 0.1
Visualization
drawDeviceFrame Visualize the frame corresponding to the device tooltip 0
drawDevice Visualize the Geomagic device in the virtual scene 0
Name Description Destination type name
context Graph Node containing this object (or BaseContext::getDefault() if no graph is used) BaseContext
slaves Sub-objects used internally by this object BaseObject
master nullptr for regular objects, or master object for which this object is one sub-objects BaseObject
forceFeedBack link to the forceFeedBack component, if not set will search through graph and take first one encountered. ForceFeedback

Examples

GeomagicEmulator-RigidCubes.scn

<?xml version="1.0" ?>
<Node name="root" dt="0.05" showBoundingTree="0" gravity="0 0 0">
    <RequiredPlugin name="Geomagic"/> <!-- Needed to use components [GeomagicEmulator] -->
    <RequiredPlugin name="Sofa.Component.AnimationLoop"/> <!-- Needed to use components [FreeMotionAnimationLoop] -->
    <RequiredPlugin name="Sofa.Component.Collision.Detection.Algorithm"/> <!-- Needed to use components [BVHNarrowPhase BruteForceBroadPhase CollisionPipeline] -->
    <RequiredPlugin name="Sofa.Component.Collision.Detection.Intersection"/> <!-- Needed to use components [LocalMinDistance] -->
    <RequiredPlugin name="Sofa.Component.Collision.Geometry"/> <!-- Needed to use components [LineCollisionModel PointCollisionModel TriangleCollisionModel] -->
    <RequiredPlugin name="Sofa.Component.Collision.Response.Contact"/> <!-- Needed to use components [CollisionResponse] -->
    <RequiredPlugin name="Sofa.Component.Constraint.Lagrangian.Correction"/> <!-- Needed to use components [UncoupledConstraintCorrection] -->
    <RequiredPlugin name="Sofa.Component.Constraint.Lagrangian.Solver"/> <!-- Needed to use components [LCPConstraintSolver] -->
    <RequiredPlugin name="Sofa.Component.Controller"/> <!-- Needed to use components [MechanicalStateController] -->
    <RequiredPlugin name="Sofa.Component.Haptics"/> <!-- Needed to use components [LCPForceFeedback] -->
    <RequiredPlugin name="Sofa.Component.IO.Mesh"/> <!-- Needed to use components [MeshOBJLoader] -->
    <RequiredPlugin name="Sofa.Component.LinearSolver.Iterative"/> <!-- Needed to use components [CGLinearSolver] -->
    <RequiredPlugin name="Sofa.Component.Mapping.Linear"/> <!-- Needed to use components [IdentityMapping] -->
    <RequiredPlugin name="Sofa.Component.Mapping.NonLinear"/> <!-- Needed to use components [RigidMapping] -->
    <RequiredPlugin name="Sofa.Component.Mass"/> <!-- Needed to use components [UniformMass] -->
    <RequiredPlugin name="Sofa.Component.ODESolver.Backward"/> <!-- Needed to use components [EulerImplicitSolver] -->
    <RequiredPlugin name="Sofa.Component.SolidMechanics.Spring"/> <!-- Needed to use components [RestShapeSpringsForceField] -->
    <RequiredPlugin name="Sofa.Component.StateContainer"/> <!-- Needed to use components [MechanicalObject] -->
    <RequiredPlugin name="Sofa.Component.Topology.Container.Constant"/> <!-- Needed to use components [MeshTopology] -->
    <RequiredPlugin name="Sofa.GL.Component.Rendering3D"/> <!-- Needed to use components [OglModel] -->

    <DefaultVisualManagerLoop />
    <CollisionPipeline name="pipeline" depth="6" verbose="0"/>
    <BruteForceBroadPhase/>
    <BVHNarrowPhase/>
    <CollisionResponse name="response" response="FrictionContactConstraint" />
    <LocalMinDistance name="proximity" alarmDistance="0.15" contactDistance="0.05" angleCone="0.0" />
    <FreeMotionAnimationLoop/>

    <LCPConstraintSolver tolerance="0.001" maxIt="1000"/>

    <GeomagicEmulator name="GeomagicDevice" deviceName="Default Device" scale="1" positionBase="0 0 0" orientationBase="0 0.707 0 -0.707"
    drawDevice="1" drawDeviceFrame="1" forceFeedBack="@Instrument/LCPFF1"/> 

    <Node name="CubeStatic1">
        <MeshOBJLoader name="loaderC" filename="mesh/cube.obj" scale3d="4 6 1" translation="-2 -2 -8" />
        <MechanicalObject name="Cube"  position="@loaderC.position" />     
        <MeshTopology name="grid" src="@loaderC" />
        <TriangleCollisionModel simulated="0" moving="0" bothSide="false" group="1"/>
        <LineCollisionModel simulated="0" moving="0" group="1"/>
        <PointCollisionModel simulated="0" moving="0" group="1"/>
        <Node name="CubeVisu">
            <OglModel name="CubeVisualModel"/>
            <IdentityMapping input="@../" output="@CubeVisualModel" />
        </Node>
    </Node>

    <Node name="CubeStatic2">
        <MeshOBJLoader name="loaderC2" filename="mesh/cube.obj" scale3d="4 6 1" translation="-2 -2 8" />
        <MechanicalObject position="@loaderC2.position"/>
        <MeshTopology name="grid" src="@loaderC2" />

        <TriangleCollisionModel bothSide="false"/>
        <LineCollisionModel />
        <PointCollisionModel />
        <Node name="Cube2Visu">
            <OglModel name="Cube2VisualModel"/>
            <IdentityMapping input="@../" output="@Cube2VisualModel" />
        </Node>
    </Node>

    <Node name="Floor">
        <MeshOBJLoader name="loaderF" filename="mesh/cube.obj" scale3d="20 0.5 20" translation="0 -10 0"/>
        <MeshTopology src="@loaderF" />
        <MechanicalObject src="@loaderF" />
        <TriangleCollisionModel simulated="0" moving="0" bothSide="false" group="1"/>
        <LineCollisionModel simulated="0" moving="0" group="1" />
        <PointCollisionModel simulated="0" moving="0" group="1"/>
        <Node name="VisuFloor" >
            <OglModel name="FloorVisualModel"/>
            <IdentityMapping input="@../" output="@FloorVisualModel" />
        </Node>
    </Node>


    <!-- ADDED: the Mechanical state Controller gathers events from the Omni driver and populates the Mechanical state -->
    <Node name="Omni">
        <MechanicalObject template="Rigid3" name="DOFs" position="@GeomagicDevice.positionDevice"/>
        <MechanicalStateController template="Rigid3" listening="true" mainDirection="-1.0 0.0 0.0" handleEventTriggersUpdate="true"/>
    </Node>

    <Node name="Instrument" >
        <EulerImplicitSolver name="ODE solver" rayleighStiffness="0.05" rayleighMass="1.0" />
        <CGLinearSolver name="linear solver" iterations="25" tolerance="1e-10" threshold="10e-10" /> 

        <MechanicalObject name="instrumentState" template="Rigid3" />
        <UniformMass name="mass" totalMass="0.5" />

        <RestShapeSpringsForceField stiffness='1000000' angularStiffness='1000000' external_rest_shape='@../Omni/DOFs' points='0' external_points='0'/>
        <LCPForceFeedback name="LCPFF1" activate="true" forceCoef="1.0"/> 
        <UncoupledConstraintCorrection/>

        <Node name="VisuTool" >
            <MeshOBJLoader name="meshLoader_1" filename="Demos/Dentistry/data/mesh/dental_instrument.obj" handleSeams="1" />
            <OglModel name="InstrumentVisualModel" src="@meshLoader_1" color="1.0 0.2 0.2 1.0" ry="-180" rz="-90" dz="3.5" dx="-0.3"/>
            <RigidMapping name="MM->VM mapping" input="@instrumentState" output="@InstrumentVisualModel" />
        </Node>

        <Node name="CollisionModel" >
            <MeshOBJLoader filename="Demos/Dentistry/data/mesh/dental_instrument_centerline.obj"  name="loader"/>
            <MeshTopology src="@loader" name="InstrumentCollisionModel" />
            <MechanicalObject src="@loader" name="instrumentCollisionState"  ry="-180" rz="-90" dz="3.5" dx="-0.3" />
            <LineCollisionModel contactStiffness="100"/>            
            <PointCollisionModel contactStiffness="100"/>
            <RigidMapping name="MM->CM mapping" input="@instrumentState" output="@instrumentCollisionState" />      
        </Node>       
    </Node> 

</Node>
def createScene(root_node):

   root = root_node.addChild('root', dt="0.05", showBoundingTree="0", gravity="0 0 0")

   root.addObject('RequiredPlugin', name="Geomagic")
   root.addObject('RequiredPlugin', name="Sofa.Component.AnimationLoop")
   root.addObject('RequiredPlugin', name="Sofa.Component.Collision.Detection.Algorithm")
   root.addObject('RequiredPlugin', name="Sofa.Component.Collision.Detection.Intersection")
   root.addObject('RequiredPlugin', name="Sofa.Component.Collision.Geometry")
   root.addObject('RequiredPlugin', name="Sofa.Component.Collision.Response.Contact")
   root.addObject('RequiredPlugin', name="Sofa.Component.Constraint.Lagrangian.Correction")
   root.addObject('RequiredPlugin', name="Sofa.Component.Constraint.Lagrangian.Solver")
   root.addObject('RequiredPlugin', name="Sofa.Component.Controller")
   root.addObject('RequiredPlugin', name="Sofa.Component.Haptics")
   root.addObject('RequiredPlugin', name="Sofa.Component.IO.Mesh")
   root.addObject('RequiredPlugin', name="Sofa.Component.LinearSolver.Iterative")
   root.addObject('RequiredPlugin', name="Sofa.Component.Mapping.Linear")
   root.addObject('RequiredPlugin', name="Sofa.Component.Mapping.NonLinear")
   root.addObject('RequiredPlugin', name="Sofa.Component.Mass")
   root.addObject('RequiredPlugin', name="Sofa.Component.ODESolver.Backward")
   root.addObject('RequiredPlugin', name="Sofa.Component.SolidMechanics.Spring")
   root.addObject('RequiredPlugin', name="Sofa.Component.StateContainer")
   root.addObject('RequiredPlugin', name="Sofa.Component.Topology.Container.Constant")
   root.addObject('RequiredPlugin', name="Sofa.GL.Component.Rendering3D")
   root.addObject('DefaultVisualManagerLoop', )
   root.addObject('CollisionPipeline', name="pipeline", depth="6", verbose="0")
   root.addObject('BruteForceBroadPhase', )
   root.addObject('BVHNarrowPhase', )
   root.addObject('CollisionResponse', name="response", response="FrictionContactConstraint")
   root.addObject('LocalMinDistance', name="proximity", alarmDistance="0.15", contactDistance="0.05", angleCone="0.0")
   root.addObject('FreeMotionAnimationLoop', )
   root.addObject('LCPConstraintSolver', tolerance="0.001", maxIt="1000")
   root.addObject('GeomagicEmulator', name="GeomagicDevice", deviceName="Default Device", scale="1", positionBase="0 0 0", orientationBase="0 0.707 0 -0.707", drawDevice="1", drawDeviceFrame="1", forceFeedBack="@Instrument/LCPFF1")

   cube_static1 = root.addChild('CubeStatic1')

   cube_static1.addObject('MeshOBJLoader', name="loaderC", filename="mesh/cube.obj", scale3d="4 6 1", translation="-2 -2 -8")
   cube_static1.addObject('MechanicalObject', name="Cube", position="@loaderC.position")
   cube_static1.addObject('MeshTopology', name="grid", src="@loaderC")
   cube_static1.addObject('TriangleCollisionModel', simulated="0", moving="0", bothSide="false", group="1")
   cube_static1.addObject('LineCollisionModel', simulated="0", moving="0", group="1")
   cube_static1.addObject('PointCollisionModel', simulated="0", moving="0", group="1")

   cube_visu = CubeStatic1.addChild('CubeVisu')

   cube_visu.addObject('OglModel', name="CubeVisualModel")
   cube_visu.addObject('IdentityMapping', input="@../", output="@CubeVisualModel")

   cube_static2 = root.addChild('CubeStatic2')

   cube_static2.addObject('MeshOBJLoader', name="loaderC2", filename="mesh/cube.obj", scale3d="4 6 1", translation="-2 -2 8")
   cube_static2.addObject('MechanicalObject', position="@loaderC2.position")
   cube_static2.addObject('MeshTopology', name="grid", src="@loaderC2")
   cube_static2.addObject('TriangleCollisionModel', bothSide="false")
   cube_static2.addObject('LineCollisionModel', )
   cube_static2.addObject('PointCollisionModel', )

   cube2_visu = CubeStatic2.addChild('Cube2Visu')

   cube2_visu.addObject('OglModel', name="Cube2VisualModel")
   cube2_visu.addObject('IdentityMapping', input="@../", output="@Cube2VisualModel")

   floor = root.addChild('Floor')

   floor.addObject('MeshOBJLoader', name="loaderF", filename="mesh/cube.obj", scale3d="20 0.5 20", translation="0 -10 0")
   floor.addObject('MeshTopology', src="@loaderF")
   floor.addObject('MechanicalObject', src="@loaderF")
   floor.addObject('TriangleCollisionModel', simulated="0", moving="0", bothSide="false", group="1")
   floor.addObject('LineCollisionModel', simulated="0", moving="0", group="1")
   floor.addObject('PointCollisionModel', simulated="0", moving="0", group="1")

   visu_floor = Floor.addChild('VisuFloor')

   visu_floor.addObject('OglModel', name="FloorVisualModel")
   visu_floor.addObject('IdentityMapping', input="@../", output="@FloorVisualModel")

   omni = root.addChild('Omni')

   omni.addObject('MechanicalObject', template="Rigid3", name="DOFs", position="@GeomagicDevice.positionDevice")
   omni.addObject('MechanicalStateController', template="Rigid3", listening="true", mainDirection="-1.0 0.0 0.0", handleEventTriggersUpdate="true")

   instrument = root.addChild('Instrument')

   instrument.addObject('EulerImplicitSolver', name="ODE solver", rayleighStiffness="0.05", rayleighMass="1.0")
   instrument.addObject('CGLinearSolver', name="linear solver", iterations="25", tolerance="1e-10", threshold="10e-10")
   instrument.addObject('MechanicalObject', name="instrumentState", template="Rigid3")
   instrument.addObject('UniformMass', name="mass", totalMass="0.5")
   instrument.addObject('RestShapeSpringsForceField', stiffness="1000000", angularStiffness="1000000", external_rest_shape="@../Omni/DOFs", points="0", external_points="0")
   instrument.addObject('LCPForceFeedback', name="LCPFF1", activate="true", forceCoef="1.0")
   instrument.addObject('UncoupledConstraintCorrection', )

   visu_tool = Instrument.addChild('VisuTool')

   visu_tool.addObject('MeshOBJLoader', name="meshLoader_1", filename="Demos/Dentistry/data/mesh/dental_instrument.obj", handleSeams="1")
   visu_tool.addObject('OglModel', name="InstrumentVisualModel", src="@meshLoader_1", color="1.0 0.2 0.2 1.0", ry="-180", rz="-90", dz="3.5", dx="-0.3")
   visu_tool.addObject('RigidMapping', name="MM->VM mapping", input="@instrumentState", output="@InstrumentVisualModel")

   collision_model = Instrument.addChild('CollisionModel')

   collision_model.addObject('MeshOBJLoader', filename="Demos/Dentistry/data/mesh/dental_instrument_centerline.obj", name="loader")
   collision_model.addObject('MeshTopology', src="@loader", name="InstrumentCollisionModel")
   collision_model.addObject('MechanicalObject', src="@loader", name="instrumentCollisionState", ry="-180", rz="-90", dz="3.5", dx="-0.3")
   collision_model.addObject('LineCollisionModel', contactStiffness="100")
   collision_model.addObject('PointCollisionModel', contactStiffness="100")
   collision_model.addObject('RigidMapping', name="MM->CM mapping", input="@instrumentState", output="@instrumentCollisionState")