Action:
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Evaluates the first derivative of the curve with respect to the parameter at the given parameter value.
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Prototype:
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SPApar_vec bs2_curve_deriv (
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double param,
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// given parameter value
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bs2_curve cur
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// given curve
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);
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Includes:
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#include "kernel/acis.hxx"
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#include "baseutil/vector/param.hxx"
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#include "kernel/spline/bs2_crv/bs2curve.hxx"
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#include "kernel/spline/bs2_crv/sp2crtn.hxx"
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Description:
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Normally, this is implemented as a call to
bs2_curve_eval.
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Library:
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kernel
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Filename:
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kern/kernel/spline/bs2_crv/sp2crtn.hxx
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Effect:
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Read-only
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