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Convert figure images to markdown

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James Gregory 2013-12-31 07:56:10 +11:00
commit 77a95ec319
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66-02.md
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@ -61,8 +61,7 @@ be drawn, as shown in Figure 66.2. This may sound a lot like z-buffering
fine for smaller moving objects, as described earlier), but there are
crucial differences.
![](images/66-01.jpg)\
**Figure 66.1**  *Span generation.*
![**Figure 66.1**  *Span generation.*](images/66-01.jpg)
By contrast with z-buffering, only visible portions of visible spans are
scanned out pixel by pixel (although all polygon edges must still be
@ -112,9 +111,8 @@ spans encountered thus far, always with no overlap. This approach
involves generating all spans for each polygon in turn, with each span
immediately being sorted, clipped, and added to the appropriate bucket.
![](images/66-02.jpg)\
**Figure 66.2**  *Two sets of spans sorted and clipped against one
another.*
![**Figure 66.2**  *Two sets of spans sorted and clipped against one
another.*](images/66-02.jpg)
With edge-sorting, edges are stored in x-sorted, linked list buckets
according to their start scan line. Each polygon in turn is decomposed