Changing Planes & Directions
A wandering road changes not only direction as it winds back and forth, but also elevation, depending on the ground plane. In order to represent this correctly in our drawing, we use the following methods as guides. After establishing the direction of the road, simply round the points at the curves for a natural look.
Here is a road in one-point perspective. Notice that the vanishing point moves to the right or left depending on which direction the road travels.
Now let’s add elevation changes. Here the road is ...
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