Location(s) Defined By
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Sets the manner in which the locations on the
surface are defined:
- Enter Data Point —
interactively define a single location on the surface.
- Parameter — using
the U and V Parameter Value settings. The values, which must be in the range
0–1, specify the location from the domain to map to the displayed object.
Within OpenPlant PID , the domain is from 0.0 to 1.0.
- (%) Dist[ance]
Along Curve — using the Dist From U and V Start(%) settings. The values are
each a percentage of the total length of the curve in the u or v direction on
the surface. For example, to extract the tangent direction of a surface at its
middle point, set both Dist. From U and V Start(%) to 50.
- Point Array — using
the Number of U and V Points settings. The values are the number of evenly
spaced locations on the curves in the u and v direction, respectively. For
example, to evaluate at 200 evenly spaced locations on the surface, set Number
of U Points to 10 and Number of V Points to 20.
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Tangent Plot Scale
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Sets the scale factor applied to the magnitude
display. If set to 1.0, the computed tangents will be the true derivative
vector — that is, the tangent direction with the magnitude.
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Normal Plot Scale
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Sets the scale factor applied to the perpendicular
line segments in Normal output. If set to 1.0, the true normal vector is
displayed — that is, the direction plus its true magnitude.
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U/V Parameter Value
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Sets the parameter values applicable to the
Parameter option for defining locations on the surface; see Location(s) Defined
By above.
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Dist[ance] From U/V Start(%)
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Sets the distance values applicable to the Dist.
Along Curve option for defining locations on the surface; see Location(s)
Defined By above.
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Number of U/V Points
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Sets the numeric values applicable to the Point
Array option for defining locations on the surface; see Location(s) Defined By
above.
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[Compute] Points
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If on, the points on the surface at which
evaluation is performed are displayed in the output.
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[Compute] Tangents
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If on, the surface's tangents are computed. In the
context of this tool's operation, a tangent is computed as the partial
derivatives of the surface in both parametric u and v directions.
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[Compute] Normal
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If on, the surface's normal directions are computed.
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