Metal fibres (wires) and mesh are often used to reinforce concrete structures, but the angles of these fibres and their separation can affect the strength of the structure, hence full 3D analysis of the fibre orientation can be very useful in understanding material performance. This example shows colour coding for 3D angle orientation, ie. the red fibres are all in a horizontal plane (both left-right and into the plane of the image), while blue is vertical, see the colour-sphere to the right of the images. This kind of analysis is possible in any scan where the fibres can be clearly visualized and separated from the rest of the material.
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