Implement some way to save and load texture from previously generated data

[frodal]

Something like this (just need to account for several parts)

A = [phi1{1},PHI{1},phi2{1}];
save('Euler','A');

B = load('Euler.mat');
phi1{1} = B.A(:,1);
PHI{1}  = B.A(:,2);
phi2{1} = B.A(:,3);