CrystalMaker allows you to display vectors from any atom, in any direction and in any colour. These may prove useful for indicating the direction of atom offsets (e.g., ferroelastic distortion) or ferroelectric vectors. You might also wish to display magnetic vectors. You can add as many vectors to an atom as you wish. Individual vectors can be edited, to change their orientation, length and colour, and it is possible to select vectors en masse, for editing purposes.
The Edit Vector sheet lets you define a vector's orientation using [UVW] indices, that is, components U, V, W along the crystallographic axes x, y, and z. Non-integral values are permitted. You can opt to specify the vector length explicity, or have this calculated from the vector indices.
(You can also edit a vector's orientation by clicking-and-dragging its vector cone with the mouse.)
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