Answer:
Sure. Look at the body of the snowman. When the polygons are filled in the shape looks like a sphere.
Sure. Look at the body of the snowman. When the polygons are filled in the shape looks like a sphere.
Here is the complete picture, with polygons filled and lighting applied (and a bit of snow tossed in).
With 3D computer graphics packages (such as OpenGL), you can ask for models of spheres, cylinders, and cones and place them in your scene where you want. OpenGL will also automatically fill in the polygons and apply a lighting model to produce realistic shading.
Could our virtual tourist wander into the virtual snowscape and take a different picture?