Applying background part 1

Applying background part 1 - Representation of Object...

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13 Representation of Object Surfaces most common representation of objects is polygonal mesh/net collection of polygons that approximate the outer surface or skin of the object 14 Representation of Object Surfaces modern hardware capable of rendering simple polygons fast NVIDIA GeForce2 Ultra: 31 million polygons/s PlayStation2: more than 60 million polygons/s (raw speed) many factors can affect these numbers (polygon size, image size, lighting, type of shading, etc) so don’t take them at face value if polygons are small enough (i.e. if sufficiently large number of polygons are used) resulting images can be realistic “reality is 80,000,000 polygons per frame” Carpenter, Catmull, and Cook 2.4 billion polygons per second complexity of scenes grows faster than hardware speed we’re still many years away from this number
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15 Lines a line is 1-dimensional has infinite length, but no other dimension a line is defined by 2 noncoincident points P and Q
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Applying background part 1 - Representation of Object...

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