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Convert figure images to markdown

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James Gregory 2013-12-31 07:56:10 +11:00
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60-02.md
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@ -72,11 +72,9 @@ the original line segment. The biggest win, however, is that it allows
us to use parametric line clipping, a very clean form of clipping,
indeed.
![](images/60-01.jpg)\
**Figure 60.1**  *A sample parametric line.*
![**Figure 60.1**  *A sample parametric line.*](images/60-01.jpg)
![](images/60-02.jpg)\
**Figure 60.2**  *Line segment storage in the BSP compiler.*
![**Figure 60.2**  *Line segment storage in the BSP compiler.*](images/60-02.jpg)
#### Parametric Line Clipping {#Heading5}
@ -114,8 +112,7 @@ x and y values. If you look closely at Listing 60.1, the core of the BSP
compiler, you'll see that the parametric clipping code itself is
exceedingly short and simple.
![](images/60-03.jpg)\
**Figure 60.3**  *How line intersection is calculated.*
![**Figure 60.3**  *How line intersection is calculated.*](images/60-03.jpg)
One interesting point about Listing 60.1 is that it generates normals to
splitting surfaces simply by exchanging the x and y lengths of the