Difference between scaling and shearing transformation
Answers
Answer:
A scaling transformation alters size of an object. In the scaling process, we either compress or expand the dimension of the object. Scaling operation can be achieved by multiplying each vertex coordinate (x, y) of the polygon by scaling factor sx and sy to produce the transformed coordinates as (x', y').
Answer:
An important aspect of 3D modeling software is its ability to apply affine transformations. So far we have supported three affine transformations – Translation (Moving the geometry), Rotation, Reflection (Flipping the geometry). Today we are adding two more to that list – Scaling and Shearing.
With scaling you can resize a geometry or a group of geometries – uniformly or non-uniformly. This gives you the ability to resize different components of your model relative to other components. Non-uniform scaling gives you ability to create more interesting shapes than were possible before – e.g. Ellipses and Ellipsoids.
Shearing is another useful transform. It comes handy when you want to skew an object sideways while still keeping the surfaces in perpendicular direction flat.
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