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Chap3: State Mgmt. and Drawing Geometric Primitives
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In this chapter we examine the various inbuilt
tools (geometric primitives) that OpenGL offers
for constructing 3-Dimensional scenes.  We
start with a :
	
    Drawing Survival Kit where we learn to
	 o  Clear the Window
	 o  Specify the color
	 o  Force Drawing to occur

Then we look at the primitives available for 
rendering.  We take a close look at :

	 o  Points
	 o  Lines
	 o  Polygons (triangles, quadrilaterals etc).

We briefly examine the following concepts :
         
         o  Polygon Stippling
         o  Triangulation