PMViewStructure* PMSuperquadricEllipsoid::defaultViewStructure( ) const
{
if( !s_pDefaultViewStructure || s_pDefaultViewStructure->parameterKey( ) != viewStructureParameterKey( ) )
{
delete s_pDefaultViewStructure;
s_pDefaultViewStructure = 0;
int uStep = (int)( ( (float)s_uStep / 2 ) * ( globalDetailLevel( ) + 1 ) );
int vStep = (int)( ( (float)s_vStep / 2 ) * ( globalDetailLevel( ) + 1 ) );
// transform u and v steps to sphere u/v steps
int uStep2 = uStep * 4;
int vStep2 = vStep * 8;
s_pDefaultViewStructure =
new PMViewStructure( vStep2 * ( uStep2 - 1 ) + 2,
vStep2 * ( uStep2 - 1 ) * 2 + vStep2 );
// points
createPoints( s_pDefaultViewStructure->points( ),
c_defaultEastWestExponent, c_defaultNorthSouthExponent, uStep, vStep );
createLines( s_pDefaultViewStructure->lines( ), uStep2, vStep2 );
}
return s_pDefaultViewStructure;
}
PMViewStructure* PMCone::defaultViewStructure( ) const
{
if( !s_pDefaultViewStructure || s_pDefaultViewStructure->parameterKey( ) != viewStructureParameterKey( ) )
{
delete s_pDefaultViewStructure;
s_pDefaultViewStructure = 0;
int steps = (int)( ( (float)s_numSteps / 2 ) * ( globalDetailLevel( ) + 1 ) );
s_pDefaultViewStructure = new PMViewStructure( steps * 2, steps * 3 );
createPoints( s_pDefaultViewStructure->points( ), defaultEnd1,
defaultEnd2,defaultConeRadius1,defaultConeRadius2, steps );
createLines( s_pDefaultViewStructure->lines( ), steps );
}
return s_pDefaultViewStructure;
}
PMViewStructure* PMTorus::defaultViewStructure( ) const
{
if( !s_pDefaultViewStructure || s_pDefaultViewStructure->parameterKey( ) != viewStructureParameterKey( ) )
{
delete s_pDefaultViewStructure;
s_pDefaultViewStructure = 0;
int uStep = (int)( ( (float)s_uStep / 2 ) * ( globalDetailLevel( ) + 1 ) );
int vStep = (int)( ( (float)s_vStep / 2 ) * ( globalDetailLevel( ) + 1 ) );
s_pDefaultViewStructure =
new PMViewStructure( vStep * uStep ,
vStep * uStep * 2 );
createPoints( s_pDefaultViewStructure->points( ), c_defaultminorRadius,
c_defaultmajorRadius, uStep, vStep );
createLines( s_pDefaultViewStructure->lines( ), uStep, vStep );
}
return s_pDefaultViewStructure;
}
