9 - the z-axis is reffered to as linear perspective Linear...

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15:17 Living in a 3-Dimensional world, we tend to not actively think about how depth plays a  role in our everyday lives; that’s because our movement allows us to naturally interpret  the depth of objects without consciously thinking about it. However when we attempt to  move our 3-D world onto a 2-D surface (in photographs and video), the person who is  filming/shooting must take into consideration a few graphic depth vectors to achieve life- like media. When we look at a 2-D object, the relative width and height are referred to as  the  x-axis and y-axis respectively. What creates depth in this 2-D object is known as the  z-axis; you can think of the z-axis as an imaginary line that extends from the front of the  camera lens to the horizon. One of the many graphic depth vectors used to emphasize 
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Unformatted text preview: the z-axis is reffered to as linear perspective. Linear perspective makes the viewer perceive objects to be smaller the further away they are from the camera. In this image I found http://1.bp.blogspot.com/_-Oe8jP85l3E/SsRYl_gfAGI/AAAAAAAAADM/0i1K_GXZlIk/s400/street_art.jpg The impression of distance is forced here. The horizon converging in the background gives the viewer a sense of depth, but the real magic here is what is going on in the foreground. The artist is standing away from the camera causing him to appear smaller, while the hand-drawn chalk/painting on the concrete converges as artist and art meet. His positioning on the end of his art makes it seem as though he could fall right in. This depth is created through the camera as well, because in depth it depends on what the camera sees, not what “you” see. 15:17...
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