The document discusses scaling in 3D graphics. It explains that scaling changes the size of an object by multiplying the original coordinates by scaling factors along the X, Y, and Z axes. Scaling around a fixed point is accomplished by translating the point to the origin, scaling the object, and then translating the point back to its original position. The document includes figures and references on 3D scaling transformations.

1. BIM 5th
Roll no: 108
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2.  Introduction
 Figure
 Explanation
 Mathematics
 Conclusion
 References
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3.  Changes the size of an object
 You either expand or compress the
dimensions of the object
 Achieved by multiplying the original
coordinates of the object with the
scaling factor
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5.  three coordinates are used
 original coordinates are (X, Y, Z)
 scaling factors are (SX,SY,Sz) respectively
 produced coordinates are (X’, Y’, Z’)
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7. Scaling about a fixed point P0 (x0,y0,z0) can
be accomplished by the following:
1. translating P0 to the origin
2. scaling the object
3. translating P0 back to original position
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8.  https://www.siggraph.org/education/materia
ls/HyperGraph/modeling/mod_tran/3dscal.ht
m
 https://www.tutorialspoint.com/computer_gr
aphics/3d_transformation.htm
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9.  Thankyou
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