//-*****************************************************************************
double XformOp::getZRotation() const
{
ABCA_ASSERT( m_type == kRotateOperation || m_type == kRotateZOperation,
"Meaningless to get rotation angle from non-rotation op." );
if ( m_type == kRotateZOperation )
{
return m_channels[0];
}
else
{
Abc::M44d m;
Abc::V3d rot;
m.makeIdentity();
m.setAxisAngle( this->getVector(), DegreesToRadians( m_channels[3] ) );
Imath::extractEulerXYZ( m, rot );
return RadiansToDegrees( rot[2] );
}
}
//-*****************************************************************************
Abc::M44d XformSample::getMatrix() const
{
Abc::M44d ret;
ret.makeIdentity();
for ( std::size_t i = 0 ; i < m_ops.size() ; ++i )
{
Abc::M44d m;
m.makeIdentity();
XformOp op = m_ops[i];
XformOperationType otype = op.getType();
if ( otype == kMatrixOperation )
{
for ( std::size_t j = 0 ; j < 4 ; ++j )
{
for ( std::size_t k = 0 ; k < 4 ; ++k )
{
m.x[j][k] = op.getChannelValue( ( 4 * j ) + k );
}
}
}
else if ( otype == kRotateXOperation )
{
m.setAxisAngle( Abc::V3d( 1.0, 0.0, 0.0 ),
DegreesToRadians( op.getChannelValue( 0 ) ) );
}
else if ( otype == kRotateYOperation )
{
m.setAxisAngle( Abc::V3d( 0.0, 1.0, 0.0 ),
DegreesToRadians( op.getChannelValue( 0 ) ) );
}
else if ( otype == kRotateZOperation )
{
m.setAxisAngle( Abc::V3d( 0.0, 0.0, 1.0 ),
DegreesToRadians( op.getChannelValue( 0 ) ) );
}
else
{
Abc::V3d vec( op.getChannelValue( 0 ),
op.getChannelValue( 1 ),
op.getChannelValue( 2 ) );
if ( otype == kScaleOperation )
{
m.setScale( vec );
}
else if ( otype == kTranslateOperation )
{
m.setTranslation( vec );
}
else if ( otype == kRotateOperation )
{
m.setAxisAngle( vec,
DegreesToRadians( op.getChannelValue( 3 ) ) );
}
}
ret = m * ret;
}
return ret;
}