Vector data is a three-dimensional representation of direction and magnitude.
Basic vector algorithm in VTK are:
hedgehogs, warping and more...
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Vector displayed by hedgehog
An oriented, scaled line for each vector. This technique is often referred to as a hedgehog because of the bristly result. Arrows may be added to indicate the direction of the line. The lines may be colored according to vector magnitude, or some other scalar quantity(e.g., pressure or temperature). |
Vector data is often associated with "motion". The motion is in the
form of velocit or displacement. An effective technique for displaying
such vector data is to "warp" or deform geometry according to the vector
field. The example below shows warped planes according to flow momentum.
the relative back and forward flow are clearly visible in the deformation
of the planes.
Warping
example
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