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Action:
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Gets the [i,j] control point of a given spline surface.
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Prototype:
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void bs3_surface_ij_ctrlpt (
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bs3_surface in_sur,
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// given surface
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int i,
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// ith points in u
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// direction
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int j,
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// jth points in v
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// direction
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SPAposition& ctrl_pos,
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// returned object space
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// control point
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double& weight,
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// weight if is_rational
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logical& is_rational,
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// set TRUE if surface is
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// rational in u and-or v
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int& dimension
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// dimension of the
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// object space point,
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// >3 is not supported
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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/position.hxx"
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#include "kernel/spline/bs3_srf/bs3surf.hxx"
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#include "kernel/spline/sg_bs3s/sps3srtn.hxx"
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Errors:
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Returns (-1,-1,-1) on bad
input: null surface or negative indices.
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Library:
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kernel
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Filename:
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kern/kernel/spline/sg_bs3s/sps3srtn.hxx
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Effect:
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Read-only
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