xForm.setPostCoeff21(7.390367);
// variation 1
xForm.addVariation(1.43, VariationFuncList.getVariationFuncInstance("bubble", true));
// variation 2
xForm.addVariation(0.012, VariationFuncList.getVariationFuncInstance("linear", true));
// variation 3
{
VariationFunc varFunc = VariationFuncList.getVariationFuncInstance("radial_blur", true);
varFunc.setParameter("angle", 0.609835);
xForm.addVariation(-0.249, varFunc);