Sub fields
mat- Stores the actual values of 3x3 matrices, in a matrix with dimensions of \([3\times 3\times n_{matrix}]\), if assigned for a bond, the unit of energy is stored in spinw.unit (default value is meV).
color- Color assigned for every matrix, stored in a matrix with dimensions of \([3\times n_{matrix}]\), with each column defining an RGB value.
label- Label for every matrix, stored as string in a cell with dimensions of \([1\times n_{matrix}]\).