API Reference > OdDb Classes > OdDbLoftOptions Class > OdDbLoftOptions Methods > OdDbLoftOptions::setDraftStartMag Method
OdDbLoftOptions::setDraftStartMag Method
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Syntax
C++
void setDraftStartMag(double startMag);
Parameters
Parameters 
Description 
double startMag 
[in] A new value of the start draft magnitude. 
Description

Sets the start draft magnitude. The value set by the method determines the magnitude of the surface tangent vector at the first cross-section. The default value is 0; the optimum magnitude is calculated at the last cross section. 

 

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