| 1 |
<?xml version="1.0" encoding="UTF-8"?>
|
| 2 |
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.2//EN" "https://www.web3d.org/specifications/x3d-3.2.dtd">
|
| 3 | <X3D profile='Immersive' version='3.2' xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation='https://www.web3d.org/specifications/x3d-3.2.xsd'> |
| 4 | <head> |
| 5 | <meta name='title' content=' DicassPrototype.x3d '/> |
| 6 | <meta name='description' content='AN/SSQ-62B/C/D/E Directional Command Activated Sonobuoy System (DICASS) Sonobuoy'/> |
| 7 | <meta name='coordinateSystem' content='x=East, z=North, y=Up'/> |
| 8 | <meta name='creator' content='Don Brutzman, Patrick Burton'/> |
| 9 | <meta name='created' content='30 January 2003'/> |
| 10 | <meta name='modified' content='20 October 2019'/> |
| 11 | <meta name='reference' content=' DICASS-an-ssq-62.pdf '/> |
| 12 | <meta name='reference' content=' https://www.fas.org/man/dod-101/sys/ship/weaps/an-ssq-62.htm '/> |
| 13 | <meta name='reference' content='NAVY TRAINING SYSTEM PLAN FOR THE NAVY CONSOLIDATED SONOBUOYS N88-NTSP-A-50-8910B/A SEPTEMBER 1998'/> |
| 14 | <meta name='reference' content=' ntsp-Sonobuoy.pdf '/> |
| 15 | <meta name='reference' content=' https://www.fas.org/man/dod-101/sys/ship/weaps/docs/ntsp-Sonobuoy.pdf '/> |
| 16 | <meta name='reference' content='http://www.avtechtra.navy.mil/pdf/Sonobuoys_a.PDF'/> |
| 17 | <meta name='reference' content=' http://www.ultra-scs.com/sonobuoys/dicass.htm '/> |
| 18 | <meta name='reference' content='http://www.ultra-ussg.com/company/sonobuoy_history.cfm'/> |
| 19 | <meta name='subject' content='DICASS sonobuoy'/> |
| 20 | <meta name='identifier' content=' https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/Sonobuoys/DicassPrototype.x3d '/> |
| 21 | <meta name='generator' content='X3D-Edit 3.3, https://www.web3d.org/x3d/tools/X3D-Edit'/> |
| 22 | <meta name='license' content='../../license.html'/> |
| 23 | </head> |
| 24 | <Scene> |
| 25 | <ExternProtoDeclare name='BeamHemisphere' appinfo='Produce wireframe or transparent beam hemisphere. Typical uses include sonar/radar/light beams. Negative range values invert base and apex at same relative location. Default: hemisphere with centroid at (0 0 0) and radius 1 atop x-z plane.' url=' "../../CommunicationsAndSensors/Beam/BeamHemispherePrototype.x3d#BeamHemisphere" "https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/Beam/BeamHemispherePrototype.x3d#BeamHemisphere" "../../CommunicationsAndSensors/Beam/BeamHemispherePrototype.wrl#BeamHemisphere" "https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/Beam/BeamHemispherePrototype.wrl#BeamHemisphere" '> |
| 26 |
<field name='contact' type='SFBool' accessType='inputOnly'
appinfo='(communications) is transmitted signal in contact with receiver or (sensor) is a target return detected?'/> |
| 27 |
<field name='range' type='SFFloat' accessType='inputOnly'
appinfo='distance in meters along x axis'/> |
| 28 |
<field name='defaultRange' type='SFFloat' accessType='initializeOnly'
appinfo='distance in meters used until eventIn range sent'/> |
| 29 |
<field name='wireframe' type='SFBool' accessType='initializeOnly'
appinfo='whether wireframe beam is drawn'/> |
| 30 |
<field name='solid' type='SFBool' accessType='initializeOnly'
appinfo='whether solid beam is drawn'/> |
| 31 |
<field name='contactColor' type='SFColor' accessType='initializeOnly'
appinfo='rendering color when contact=true'/> |
| 32 |
<field name='noContactColor' type='SFColor' accessType='initializeOnly'
appinfo='rendering color when contact=false'/> |
| 33 |
<field name='transparency' type='SFFloat' accessType='inputOutput'
appinfo='1 = fully transparent wireframe only'/> |
| 34 | </ExternProtoDeclare> |
| 35 | <ProtoDeclare name='DICASS' appinfo='AN/SSQ-62B/C/D/E Directional Command Activated Sonobuoy System (DICASS) Sonobuoy'> |
| 36 | <ProtoInterface> |
| 37 |
<field name='ID' type='MFString' value='"missingID"' accessType='inputOutput'
appinfo='identifier label for this buoy'/> |
| 38 |
<field name='version' type='SFString' value='AN/SSQ-62B' accessType='initializeOnly'
appinfo='default value: AN/SSQ-62B'/> |
| 39 |
<field name='initialPositionXZ' type='SFVec2f' value='0 0' accessType='initializeOnly'
appinfo='local surface coordinates X=North Z=East'/> |
| 40 |
<field name='orderedPositionXZ' type='SFVec2f' accessType='inputOnly'
appinfo='local surface coordinates X=North Z=East'/> |
| 41 |
<field name='initialDepth' type='SFFloat' value='-10' accessType='initializeOnly'
appinfo='meters depth use negative numbers for subsurface'/> |
| 42 |
<field name='orderedDepth' type='SFFloat' accessType='inputOnly'
appinfo='meters depth use negative numbers for subsurface'/> |
| 43 |
<field name='bindViewpoint' type='SFBool' accessType='inputOnly'
appinfo='trigger event to bind/unbind viewpoint'/> |
| 44 |
<field name='location_changed' type='SFVec3f' accessType='outputOnly'
appinfo='local coordinates X=North Y=altitude Z=East'/> |
| 45 |
<field name='maxRange' type='SFFloat' value='1000' accessType='initializeOnly'
appinfo='maximum audible sonar detection range meters'/> |
| 46 |
<field name='pingDuration' type='SFTime' accessType='outputOnly'
appinfo='pingDuration corresponds to maxRange at 1500m/sec sound speed'/> |
| 47 |
<field name='soundSpeed' type='SFFloat' value='1500' accessType='initializeOnly'
appinfo='in-water sound speed m/s, default value 1500' documentation='https://en.wikipedia.org/wiki/Speed_of_sound#Seawater'/> |
| 48 |
<field name='startPing' type='SFBool' accessType='inputOnly'
appinfo='trigger event to start single ping'/> |
| 49 |
<field name='startContinuousPings' type='SFBool' accessType='inputOnly'
appinfo='trigger event to start continuous ping sequence'/> |
| 50 |
<field name='linkText' type='MFString' accessType='inputOutput'
appinfo='Can add linkable text for further information'/> |
| 51 |
<field name='linkUrl' type='MFString' accessType='inputOutput'
appinfo='url for linkable text'/> |
| 52 |
<field name='linkTargetWindow' type='MFString' accessType='inputOutput'
appinfo='target window for linkable text'/> |
| 53 | </ProtoInterface> |
| 54 | <ProtoBody> |
| 55 | <Group> |
| 56 |
<!-- ROUTE information for BuoyPosition node:
[from LocationScript.newLocation to set_translation
]
-->
<Transform DEF='BuoyPosition'> |
| 57 |
<!-- Viewpoint
BuoyViewpoint is a DEF node that has 1 USE node: USE_1 -->
<Viewpoint DEF='BuoyViewpoint' description='DICASS buoy'> |
| 58 | <!-- ViewpointControl initialize() updates description to include ID --> |
| 59 | </Viewpoint> |
| 60 | <LOD range='1000 5000'> |
| 61 | <Group DEF='CloseUpView'> |
| 62 | <Transform translation='0 0.25 0'> |
| 63 | <Shape DEF='BuoyBody'> |
| 64 | <Cylinder radius='0.1'/> |
| 65 | <Appearance> |
| 66 | |
| 67 |
<ImageTexture
url=' "DICASSphoto.png
" "https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/Sonobuoys/DICASSphoto.png
" '/>
|
| 68 | </Appearance> |
| 69 | </Shape> |
| 70 | </Transform> |
| 71 | <Group DEF='LinkTextGroup'> |
| 72 | <Transform translation='0 -1 0'> |
| 73 | <Billboard axisOfRotation='0 0 0'> |
| 74 | <Anchor DEF='LinkTextAnchor' description='click this text for link'> |
| 75 | <IS> |
| 76 | <connect nodeField='url' protoField='linkUrl'/> |
| 77 | <connect nodeField='parameter' protoField='linkTargetWindow'/> |
| 78 | </IS> |
| 79 | <Shape> |
| 80 | <Appearance> |
| 81 | <Material diffuseColor='0.6 0.6 0.1'/> |
| 82 | </Appearance> |
| 83 | <Text DEF='LinkTextNode'> |
| 84 | <IS> |
| 85 | <connect nodeField='string' protoField='linkText'/> |
| 86 | </IS> |
| 87 | <FontStyle justify='"MIDDLE" "BEGIN"' size='0.3'/> |
| 88 | </Text> |
| 89 | </Shape> |
| 90 | </Anchor> |
| 91 | </Billboard> |
| 92 | </Transform> |
| 93 | </Group> |
| 94 | </Group> |
| 95 | <Group DEF='DescriptionTextGroup'> |
| 96 | <Billboard axisOfRotation='0 0 0'> |
| 97 |
<!-- ROUTE information for TextTouch node:
[from isActive to ViewpointControl.bindViewpoint
]
-->
<TouchSensor DEF='TextTouch' description='click and hold to view sonobuoy data'/> |
| 98 | <Shape> |
| 99 | <Appearance> |
| 100 | <Material USE='Maroon'/> |
| 101 | </Appearance> |
| 102 | <Text DEF='BuoyID'> |
| 103 | <IS> |
| 104 | <connect nodeField='string' protoField='ID'/> |
| 105 | </IS> |
| 106 | <FontStyle justify='"MIDDLE" "BEGIN"'/> |
| 107 | </Text> |
| 108 | </Shape> |
| 109 | </Billboard> |
| 110 | <!-- make text touchable at a distance, allows closeup viewing of DICASS and label data --> |
| 111 | <Shape> |
| 112 | <Appearance> |
| 113 | <Material DEF='Invisible' transparency='1'/> |
| 114 | </Appearance> |
| 115 | <Box size='.1 .1 .1'/> |
| 116 | </Shape> |
| 117 | </Group> |
| 118 | <WorldInfo info='"null node, no text at long range"'/> |
| 119 | </LOD> |
| 120 | <Transform DEF='TextLabelOffset' translation='0 2 0'> |
| 121 | <LOD range='50'> |
| 122 | <Billboard axisOfRotation='0 0 0'> |
| 123 | <Shape> |
| 124 | <Appearance> |
| 125 | <Material USE='Maroon'/> |
| 126 | </Appearance> |
| 127 |
<!-- ROUTE information for BuoyLabel node:
[from LocationScript.newBuoyLabel to string
]
-->
<Text DEF='BuoyLabel'> |
| 128 | <FontStyle justify='"MIDDLE" "MIDDLE"' size='0.3'/> |
| 129 | </Text> |
| 130 | </Shape> |
| 131 | </Billboard> |
| 132 | <WorldInfo info='"null node, no text at long range"'/> |
| 133 | </LOD> |
| 134 | </Transform> |
| 135 |
<!-- ROUTE information for SonarBeamHemisphere node:
[from RangeInterpolator.value_changed to range
]
[from TransparencyInterpolator.value_changed to transparency
]
[from PingControl.initializeHemisphereRange to range
]
-->
<ProtoInstance name='BeamHemisphere' DEF='SonarBeamHemisphere'> |
| 136 | <fieldValue name='defaultRange' value='10'/> |
| 137 | <fieldValue name='transparency' value='1'/> |
| 138 | <fieldValue name='wireframe' value='true'/> |
| 139 | <fieldValue name='solid' value='true'/> |
| 140 | </ProtoInstance> |
| 141 | <!-- Needed: time-delay prototype gated by distance and speed of sound through medium. --> |
| 142 | <Sound DEF='PingSound' maxBack='10000' maxFront='10000'> |
| 143 |
<!-- ROUTE information for PingAudioClip node:
[from PingControl.startTime to startTime
]
[from PingClock.cycleTime to startTime
]
-->
<AudioClip DEF='PingAudioClip' description='representative sonar ping' url=' "sonarPing.wav" "https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/Sonobuoys/sonarPing.wav" '/> |
| 144 | </Sound> |
| 145 | </Transform> |
| 146 | <!-- nonrendering controllers --> |
| 147 |
<!-- ROUTE information for LocationScript node:
[from newLocation to BuoyPosition.set_translation
]
[from newBuoyLabel to BuoyLabel.string
]
-->
<Script DEF='LocationScript' url=' "DicassPrototypeScriptLocation.js" "https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/Sonobuoys/DicassPrototypeScriptLocation.js" '> |
| 148 | <field name='ID' type='MFString' accessType='inputOutput'/> |
| 149 | <field name='version' type='SFString' accessType='initializeOnly'/> |
| 150 | <field name='initialPositionXZ' type='SFVec2f' accessType='initializeOnly'/> |
| 151 | <field name='orderedPositionXZ' type='SFVec2f' accessType='inputOnly'/> |
| 152 | <field name='initialDepth' type='SFFloat' accessType='initializeOnly'/> |
| 153 | <field name='orderedDepth' type='SFFloat' accessType='inputOnly'/> |
| 154 | <field name='newLocation' type='SFVec3f' accessType='outputOnly'/> |
| 155 | <field name='newBuoyLabel' type='MFString' accessType='outputOnly'/> |
| 156 |
<field name='traceEnabled' type='SFBool' value='true' accessType='initializeOnly'
appinfo='set Script to verbose mode by enabling console trace statements'/> |
| 157 | <IS> |
| 158 | <connect nodeField='ID' protoField='ID'/> |
| 159 | <connect nodeField='version' protoField='version'/> |
| 160 | <connect nodeField='initialPositionXZ' protoField='initialPositionXZ'/> |
| 161 | <connect nodeField='orderedPositionXZ' protoField='orderedPositionXZ'/> |
| 162 | <connect nodeField='initialDepth' protoField='initialDepth'/> |
| 163 | <connect nodeField='orderedDepth' protoField='orderedDepth'/> |
| 164 | <connect nodeField='newLocation' protoField='location_changed'/> |
| 165 | </IS> |
| 166 | </Script> |
| 167 | < ROUTE fromNode='LocationScript' fromField='newLocation' toNode='BuoyPosition' toField='set_translation'/> |
| 168 | < ROUTE fromNode='LocationScript' fromField='newBuoyLabel' toNode='BuoyLabel' toField='string'/> |
| 169 |
<!-- ROUTE information for ViewpointControl node:
[from TextTouch.isActive to bindViewpoint
]
-->
<Script DEF='ViewpointControl' directOutput='true' url=' "DicassPrototypeScriptViewpointControl.js" "https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/Sonobuoys/DicassPrototypeScriptViewpointControl.js" '> |
| 170 | <field name='ID' type='MFString' accessType='inputOutput'/> |
| 171 | <field name='LocalViewpoint' type='SFNode' accessType='initializeOnly'> |
| 172 | <Viewpoint USE='BuoyViewpoint'/> |
| 173 | </field> |
| 174 | <field name='viewpointDescription' type='SFString' accessType='outputOnly'/> |
| 175 | <field name='bindViewpoint' type='SFBool' accessType='inputOnly'/> |
| 176 |
<field name='traceEnabled' type='SFBool' value='true' accessType='initializeOnly'
appinfo='set Script to verbose mode by enabling console trace statements'/> |
| 177 | <IS> |
| 178 | <connect nodeField='ID' protoField='ID'/> |
| 179 | <connect nodeField='bindViewpoint' protoField='bindViewpoint'/> |
| 180 | </IS> |
| 181 | </Script> |
| 182 | <!-- <ROUTE fromField='viewpointDescription' fromNode='ViewpointControl' toField='description' toNode='BuoyViewpoint'/> --> |
| 183 | < ROUTE fromNode='TextTouch' fromField='isActive' toNode='ViewpointControl' toField='bindViewpoint'/> |
| 184 | <Group DEF='AnimationGroup'> |
| 185 |
<!-- ROUTE information for PingClock node:
[from PingControl.cycleInterval to cycleInterval
]
[from PingControl.loop to loop
]
[from PingControl.startTime to startTime
]
[from fraction_changed to RangeInterpolator.set_fraction
]
[from fraction_changed to TransparencyInterpolator.set_fraction
]
[from cycleTime to PingAudioClip.startTime
]
-->
<TimeSensor DEF='PingClock'/> |
| 186 |
<!-- ROUTE information for RangeInterpolator node:
[from PingClock.fraction_changed to set_fraction
]
[from PingControl.keyValueRangeInterpolator to keyValue
]
[from value_changed to SonarBeamHemisphere.range
]
-->
<ScalarInterpolator DEF='RangeInterpolator' key='0 0.1 0.6 0.6 1' keyValue='0.01 0.01 1000 0 0'/> |
| 187 | < ROUTE fromNode='PingClock' fromField='fraction_changed' toNode='RangeInterpolator' toField='set_fraction'/> |
| 188 | < ROUTE fromNode='RangeInterpolator' fromField='value_changed' toNode='SonarBeamHemisphere' toField='range'/> |
| 189 | <!-- maintain opaque until mid range, then go transparent to indicate active detection not feasible --> |
| 190 |
<!-- ROUTE information for TransparencyInterpolator node:
[from PingClock.fraction_changed to set_fraction
]
[from value_changed to SonarBeamHemisphere.transparency
]
-->
<ScalarInterpolator DEF='TransparencyInterpolator' key='0 0.35 0.5 1' keyValue='0.2 0.2 1 0'/> |
| 191 | < ROUTE fromNode='PingClock' fromField='fraction_changed' toNode='TransparencyInterpolator' toField='set_fraction'/> |
| 192 | < ROUTE fromNode='TransparencyInterpolator' fromField='value_changed' toNode='SonarBeamHemisphere' toField='transparency'/> |
| 193 | </Group> |
| 194 |
<!-- ROUTE information for PingControl node:
[from cycleInterval to PingClock.cycleInterval
]
[from keyValueRangeInterpolator to RangeInterpolator.keyValue
]
[from initializeHemisphereRange to SonarBeamHemisphere.range
]
[from loop to PingClock.loop
]
[from startTime to PingClock.startTime
]
[from startTime to PingAudioClip.startTime
]
-->
<Script DEF='PingControl' url=' "DicassPrototypeScriptPingControl.js" "https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/Sonobuoys/DicassPrototypeScriptPingControl.js" '> |
| 195 | <field name='ID' type='MFString' accessType='inputOutput'/> |
| 196 | <field name='maxRange' type='SFFloat' accessType='initializeOnly'/> |
| 197 | <field name='soundSpeed' type='SFFloat' accessType='initializeOnly'/> |
| 198 |
<field name='pingDuration' type='SFTime' accessType='outputOnly'
appinfo='pingDuration corresponds to maxRange at 1500m/sec sound speed'/> |
| 199 |
<field name='cycleInterval' type='SFTime' accessType='outputOnly'
appinfo='duration between successive pings is twice pingInterval'/> |
| 200 | <field name='keyValueRangeInterpolator' type='MFFloat' accessType='outputOnly'/> |
| 201 | <field name='initializeHemisphereRange' type='SFFloat' accessType='outputOnly'/> |
| 202 | <field name='startPing' type='SFBool' accessType='inputOnly'/> |
| 203 | <field name='startContinuousPings' type='SFBool' accessType='inputOnly'/> |
| 204 | <field name='startTime' type='SFTime' accessType='outputOnly'/> |
| 205 | <field name='loop' type='SFBool' accessType='outputOnly'/> |
| 206 |
<field name='traceEnabled' type='SFBool' value='true' accessType='initializeOnly'
appinfo='set Script to verbose mode by enabling console trace statements'/> |
| 207 | <IS> |
| 208 | <connect nodeField='ID' protoField='ID'/> |
| 209 | <connect nodeField='maxRange' protoField='maxRange'/> |
| 210 | <connect nodeField='soundSpeed' protoField='soundSpeed'/> |
| 211 | <connect nodeField='pingDuration' protoField='pingDuration'/> |
| 212 | <connect nodeField='startPing' protoField='startPing'/> |
| 213 | <connect nodeField='startContinuousPings' protoField='startContinuousPings'/> |
| 214 | </IS> |
| 215 | </Script> |
| 216 | < ROUTE fromNode='PingControl' fromField='cycleInterval' toNode='PingClock' toField='cycleInterval'/> |
| 217 | < ROUTE fromNode='PingControl' fromField='keyValueRangeInterpolator' toNode='RangeInterpolator' toField='keyValue'/> |
| 218 | < ROUTE fromNode='PingControl' fromField='initializeHemisphereRange' toNode='SonarBeamHemisphere' toField='range'/> |
| 219 | < ROUTE fromNode='PingControl' fromField='loop' toNode='PingClock' toField='loop'/> |
| 220 | < ROUTE fromNode='PingControl' fromField='startTime' toNode='PingClock' toField='startTime'/> |
| 221 | < ROUTE fromNode='PingControl' fromField='startTime' toNode='PingAudioClip' toField='startTime'/> |
| 222 | < ROUTE fromNode='PingClock' fromField='cycleTime' toNode='PingAudioClip' toField='startTime'/> |
| 223 | </Group> |
| 224 | </ProtoBody> |
| 225 | </ProtoDeclare> |
| 226 | <!-- Rendered scene begins here --> |
| 227 | <Background DEF='AquaTealBackground' groundColor='0.0 0.25 0.25' skyColor='0 1 1'/> |
| 228 | <NavigationInfo speed='10'/> |
| 229 | <Anchor description='Dicass Example' url=' "DicassExample.x3d" "https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/Sonobuoys/DicassExample.x3d" "DicassExample.wrl" "https://www.web3d.org/x3d/content/examples/Savage/CommunicationsAndSensors/Sonobuoys/DicassExample.wrl" '> |
| 230 | <Shape> |
| 231 | <Text string='"DicassPrototype is a" "sonobuoy prototype" "" "Click text to see" "DicassExample"'> |
| 232 | <FontStyle justify='"MIDDLE" "MIDDLE"' size='0.9'/> |
| 233 | </Text> |
| 234 | <Appearance> |
| 235 | <Material diffuseColor='0.5 0.5 0.1'/> |
| 236 | </Appearance> |
| 237 | </Shape> |
| 238 | </Anchor> |
| 239 | </Scene> |
| 240 | </X3D> |
Event Graph ROUTE Table entries with 14 ROUTE connections total, showing X3D event-model relationships for this scene.
Each row shows an event cascade that may occur during a single timestamp interval between frame renderings, as part of the X3D execution model.
|
TextTouch
TouchSensor isActive SFBool |
ViewpointControl
Script bindViewpoint SFBool |
|
LocationScript
Script newLocation SFVec3f |
BuoyPosition
Transform set_translation SFVec3f |
|
|
LocationScript
Script newBuoyLabel MFString |
BuoyLabel
Text string MFString |
|
SonarBeamHemisphere
ProtoInstance BeamHemisphere |
No direct ROUTE connection found for events to/from this node. This ProtoInstance contains SFNode/MFNode fieldValue declarations with direct access to other nodes, and thus has potential to produce run-time animation. |
| line 229
Anchor |
description='Dicass Example' User-interaction hint for this node. |
|
LinkTextAnchor
Anchor |
description='click this text for link' User-interaction hint for this node. |
<!--
Color-coding legend: X3D terminology
<X3dNode
DEF='idName' field='value'/>
matches XML terminology
<XmlElement
DEF='idName' attribute='value'/>
(Light-blue background: event-based behavior node or statement)
(Grey background inside box: inserted documentation)
(Magenta background: X3D Extensibility)
<ProtoInstance name='ProtoName'>
<field
name='fieldName'/> </ProtoInstance>
-->
<!--
For additional help information about X3D scenes, please see X3D Tooltips, X3D Resources, and X3D Scene Authoring Hints.
-->