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Reference.org
Polygonal modeling
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<p>In <a href="/facts/3D_computer_graphics/zlWW6eaF">3D computer graphics</a>, polygonal modeling is an approach for modeling objects by representing or approximating their <a href="/facts/Surface_(topology)/jK1b1KIG">surfaces</a> using <a href="/facts/Polygon_mesh/6WLD80ER">polygon meshes</a>. Polygonal modeling is well suited to <a href="/facts/Scanline_rendering/nmJC2rbn">scanline rendering</a> and is therefore the method of choice for <a href="/facts/Real-time_computer_graphics/jrILnb0K">real-time computer graphics</a>. Alternate methods of representing 3D objects include <a href="/facts/NURBS/MA0NjmeC">NURBS</a> surfaces, <a href="/facts/Subdivision_surface/9AKT4pfM">subdivision surfaces</a>, and equation-based (implicit surface) representations used in <a href="/facts/Ray_tracing_(graphics)/n6qpap2q">ray tracers</a>. </p>