[X3D-Public] Model Building for Light Simulation
cbullard at hiwaay.net
cbullard at hiwaay.net
Wed Aug 14 06:02:20 PDT 2013
A brilliant start. Many thanks!
len
Quoting Don Brutzman <brutzman at nps.edu>:
> On 8/13/2013 4:05 PM, Len Bullard wrote:
>> Question:
>>
>> What is the best configuration of systems for building a light data-driven
>> waypoint simulation in X3D that uses the Monterey tool kits as the editing
>> suite?
>
> Please see Savage examples archive
> Tools
> Animation
> Waypoint Interpolator Example
>
> https://savage.nps.edu/Savage/Tools/Animation/
> https://savage.nps.edu/Savage/Tools/Animation/WaypointInterpolatorExample.x3d
>
> Screenshot
>
> https://savage.nps.edu/Savage/Tools/Animation/WaypointInterpolatorExample.png
>
> This is also available as a drag-and-drop palette item in X3D-Edit
> (listed under Savage examples)
>
> https://savage.nps.edu/X3D-Edit/
>
> which produces the following code snippet. looks gnarly until you
> play with it, have just added lots of switches and options over
> time. reading appinfo helps.
>
> Good way to produce a data-driven visualization:
> - produce some positional data
> - wrap the excerpt around it
> - view
>
> <!-- ==================== -->
> <ExternProtoDeclare appinfo='Reads waypoints and
> legSpeeds/legDurations/defaultSpeed to provide a customizable
> position/orientation interpolator.' name='WaypointInterpolator'
> url='
> "../../../Savage/Tools/Animation/WaypointInterpolatorPrototype.x3d#WaypointInterpolator"
>
> "https://savage.nps.edu/Savage/Tools/Animation/WaypointInterpolatorPrototype.x3d#WaypointInterpolator"
>
> "../../../Savage/Tools/Animation/WaypointInterpolatorPrototype.wrl#WaypointInterpolator"
>
> "https://savage.nps.edu/Savage/Tools/Animation/WaypointInterpolatorPrototype.wrl#WaypointInterpolator"'>
> <!-- Priority of use: legSpeeds (m/sec), legDurations
> (seconds), defaultSpeed (m/sec) -->
> <field accessType='initializeOnly' appinfo='Short
> description of what is animated by this WaypointInterpolator.'
> name='description' type='SFString'/>
> <field accessType='initializeOnly' appinfo='Waypoints
> being traversed with interpolation of intermediate positions and
> orientations.' name='waypoints' type='MFVec3f'/>
> <field accessType='inputOnly' appinfo='Add another single
> waypoint to array of waypoints recalculate interpolator values.'
> name='add_waypoint' type='SFVec3f'/>
> <field accessType='inputOnly' appinfo='Replace all
> waypoints recalculate interpolator values.' name='set_waypoints'
> type='MFVec3f'/>
> <field accessType='initializeOnly' appinfo='Whether to
> pitch child geometry (such as a vehicle) up or down to match
> vertical slope' name='pitchUpDownForVerticalWaypoints' type='SFBool'/>
> <field accessType='initializeOnly' appinfo='Units m/sec.
> If used array lengths for legSpeeds and legDurations must be one
> less than number of waypoints.' name='legSpeeds' type='MFFloat'/>
> <field accessType='initializeOnly' appinfo='Units in
> seconds. If used array lengths for legSpeeds and legDurations must
> be one less than number of waypoints.' name='legDurations'
> type='MFTime'/>
> <field accessType='initializeOnly' appinfo='Units m/sec.'
> name='defaultSpeed' type='SFFloat'/>
> <field accessType='initializeOnly' appinfo='turningRate
> (degrees/second) also determines standoff distance prior to waypoint
> where turn commences. If 0 turns are instantaneous.'
> name='turningRate' type='SFFloat'/>
> <field accessType='outputOnly' appinfo='Output calculation
> summing all leg durations, useful for setting TimeSensor
> cycleInterval. Units in seconds.' name='totalDuration' type='SFTime'/>
> <!-- interpolation fields -->
> <field accessType='inputOnly' appinfo='exposed
> PositionInterpolator and OrientationInterpolator setting'
> name='set_fraction' type='SFFloat'/>
> <field accessType='outputOnly' appinfo='exposed
> PositionInterpolator setting' name='position_changed' type='SFVec3f'/>
> <field accessType='outputOnly' appinfo='exposed
> OrientationInterpolator setting' name='orientation_changed'
> type='SFRotation'/>
> <!-- display-related fields -->
> <field accessType='inputOutput' appinfo='default color for
> non-active line segments' name='lineColor' type='SFColor'/>
> <field accessType='inputOutput'
> appinfo='highlightSegmentColors must contain two color values for
> each endpoint of the highlight segment.'
> name='highlightSegmentColor' type='SFColor'/>
> <field accessType='inputOutput' appinfo='1.0 is completely
> transparent, 0.0 is completely opaque.' name='transparency'
> type='SFFloat'/>
> <field accessType='initializeOnly' appinfo='allowed
> values: none; waypoints (produce labels at each waypoint); or
> interpolation (produce single moving label at interpolator time
> course speed location)' name='labelDisplayMode' type='SFString'/>
> <field accessType='initializeOnly' appinfo='allowed
> values: altitude depth (negate Y value) none' name='heightLabel'
> type='SFString'/>
> <field accessType='initializeOnly' appinfo='heightLabel
> relative location' name='labelOffset' type='SFVec3f'/>
> <field accessType='initializeOnly' appinfo='heightLabel
> text size' name='labelFontSize' type='SFFloat'/>
> <field accessType='initializeOnly' appinfo='heightLabel
> text color' name='labelColor' type='SFColor'/>
> <field accessType='initializeOnly' appinfo='enable console
> output to trace script computations and prototype progress'
> name='traceEnabled' type='SFBool'/>
> <field accessType='initializeOnly' appinfo='Output the
> number of waypoints totalDistance and totalDuration to console upon
> initialization' name='outputInitializationComputations'
> type='SFBool'/>
> <field accessType='inputOutput' appinfo='default color for
> vertical drop-line segments' name='verticalDropLineColor'
> type='SFColor'/>
> <field accessType='inputOutput' appinfo='1.0 is completely
> transparent 0.0 is completely opaque.'
> name='verticalDropLineTransparency' type='SFFloat'/>
> </ExternProtoDeclare>
> <!-- Only one copy of a given ExternProtoDeclare is needed in a
> scene. Multiple ProtoInstance nodes can be created like the
> following -->
> <ProtoInstance DEF='WaypointInterpolatorExample'
> name='WaypointInterpolator'>
> <fieldValue name='description' value='TrackBuilder'/>
> <!-- Priority of use: legSpeeds (m/sec), legDurations
> (seconds), defaultSpeed (m/sec) -->
> <fieldValue name='waypoints' value='-5 0 0 5 2 0 5 5 -10
> 4.9 2 -10 -5 0 -10 -5 0 0 -5.5 0 1.5 -7 0.5 2 -8 0 0 -5 0 0'/>
> <fieldValue name='pitchUpDownForVerticalWaypoints' value='false'/>
> <fieldValue name='legDurations' value='1 2 3 1 2 3 1 2 3'/>
> <fieldValue name='legSpeeds' value='2 4 2 2 4 1 1 1 1'/>
> <fieldValue name='defaultSpeed' value='5'/>
> <fieldValue name='turningRate' value='90'/>
> <fieldValue name='lineColor' value='1 0 0'/>
> <fieldValue name='highlightSegmentColor' value='0.2 0.2 1'/>
> <fieldValue name='transparency' value='0'/>
> <fieldValue name='labelDisplayMode' value='interpolation'/>
> <fieldValue name='heightLabel' value='altitude'/>
> <fieldValue name='labelOffset' value='0 1.2 0'/>
> <fieldValue name='labelFontSize' value='0.5'/>
> <fieldValue name='labelColor' value='0.3 0.9 0.3'/>
> <fieldValue name='traceEnabled' value='false'/>
> <fieldValue name='outputInitializationComputations' value='true'/>
> </ProtoInstance>
> <!-- Example use:
> https://savage.nps.edu/Savage/Tools/Animation/WaypointInterpolatorExample.x3d
> -->
> <!-- ==================== -->
>
>
> all the best, Don
> --
> Don Brutzman Naval Postgraduate School, Code USW/Br brutzman at nps.edu
> Watkins 270, MOVES Institute, Monterey CA 93943-5000 USA +1.831.656.2149
> X3D graphics, virtual worlds, navy robotics http://faculty.nps.edu/brutzman
>
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