void Surf::FindBorderCurves()
{
double degen_tol = 0.000001;
//==== Load 4 Border Curves if Not Degenerate ====//
SCurve* scrv;
double min_u = m_SurfCore.GetMinU();
double min_w = m_SurfCore.GetMinW();
double max_u = m_SurfCore.GetMaxU();
double max_w = m_SurfCore.GetMaxW();
vector< vec3d > pnts;
pnts.resize( 2 );
pnts[0].set_xyz( min_u, min_w, 0 ); // Inc U
pnts[1].set_xyz( max_u, min_w, 0 );
scrv = new SCurve( this );
scrv->BuildBezierCurve( pnts, 0.25 );
if ( scrv->Length( 10 ) > degen_tol )
{
m_SCurveVec.push_back( scrv );
}
else
{
delete scrv;
}
pnts[0].set_xyz( max_u, min_w, 0 ); // Inc W
pnts[1].set_xyz( max_u, max_w, 0 );
scrv = new SCurve( this );
scrv->BuildBezierCurve( pnts, 0.25 );
if ( scrv->Length( 10 ) > degen_tol )
{
m_SCurveVec.push_back( scrv );
}
else
{
delete scrv;
}
pnts[0].set_xyz( max_u, max_w, 0 ); // Dec U
pnts[1].set_xyz( min_u, max_w, 0 );
scrv = new SCurve( this );
scrv->BuildBezierCurve( pnts, 0.25 );
if ( scrv->Length( 10 ) > degen_tol )
{
m_SCurveVec.push_back( scrv );
}
else
{
delete scrv;
}
pnts[0].set_xyz( min_u, max_w, 0 ); // Dec W
pnts[1].set_xyz( min_u, min_w, 0 );
scrv = new SCurve( this );
scrv->BuildBezierCurve( pnts, 0.25 );
if ( scrv->Length( 10 ) > degen_tol )
{
m_SCurveVec.push_back( scrv );
}
else
{
delete scrv;
}
}
void Surf::FindBorderCurves()
{
double degen_tol = 0.000001;
//==== Load 4 Border Curves if Not Degenerate ====//
SCurve* scrv;
double max_u = (m_NumU-1)/3.0;
double max_w = (m_NumW-1)/3.0;
vector< vec3d > pnts;
pnts.resize( 4 );
pnts[0].set_xyz( 0, 0, 0 ); // Inc U
pnts[1].set_xyz( max_u/2, 0, 0 );
pnts[2].set_xyz( max_u/2, 0, 0 );
pnts[3].set_xyz( max_u, 0, 0 );
scrv = new SCurve( this );
scrv->SetBezierControlPnts( pnts );
if ( scrv->Length(10) > degen_tol )
m_SCurveVec.push_back( scrv );
else
delete scrv;
pnts[0].set_xyz( max_u, 0, 0 ); // Inc W
pnts[1].set_xyz( max_u, max_w/2, 0 );
pnts[2].set_xyz( max_u, max_w/2, 0 );
pnts[3].set_xyz( max_u, max_w, 0 );
scrv = new SCurve( this );
scrv->SetBezierControlPnts( pnts );
if ( scrv->Length(10) > degen_tol )
m_SCurveVec.push_back( scrv );
else
delete scrv;
pnts[0].set_xyz( max_u, max_w, 0 ); // Dec U
pnts[1].set_xyz( max_u/2, max_w, 0 );
pnts[2].set_xyz( max_u/2, max_w, 0 );
pnts[3].set_xyz( 0, max_w, 0 );
scrv = new SCurve( this );
scrv->SetBezierControlPnts( pnts );
if ( scrv->Length(10) > degen_tol )
m_SCurveVec.push_back( scrv );
else
delete scrv;
pnts[0].set_xyz( 0, max_w, 0 ); // Dec W
pnts[1].set_xyz( 0, max_w/2, 0 );
pnts[2].set_xyz( 0, max_w/2, 0 );
pnts[3].set_xyz( 0, 0, 0 );
scrv = new SCurve( this );
scrv->SetBezierControlPnts( pnts );
if ( scrv->Length(10) > degen_tol )
m_SCurveVec.push_back( scrv );
else
delete scrv;
}
