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Action:
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Determines whether an object-space point lies on a given surface within the given positional precision.
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Prototype:
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logical bs3_surface_testpt (
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SPAposition const& pos,
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// given point
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double tol,
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// permitted tolerance
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bs3_surface bs,
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// given surface
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SPApar_pos const& uv_guess// approximation to the
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=*(SPApar_pos*)NULL_REF,
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// parameter value of
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// the foot of the
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// perpendicular from the
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// point to the surface
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SPApar_pos& uv_actual
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// returned actual
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=*(SPApar_pos*)NULL_REF // parameter value
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// used
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);
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Includes:
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#include "kernel/acis.hxx"
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#include "baseutil/logical.h"
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#include "baseutil/vector/param.hxx"
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#include "baseutil/vector/position.hxx"
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#include "kernel/spline/bs3_srf/bs3surf.hxx"
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#include "kernel/spline/bs3_srf/sp3srtn.hxx"
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Description:
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This function takes advantage of an estimate of the surface parameter values to speed up processing, but works correctly without them.
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Library:
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kernel
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Filename:
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kern/kernel/spline/bs3_srf/sp3srtn.hxx
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Effect:
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Read-only
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