Database Full Index
8. CAD/NURB Data Repair
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8.1. What is the difference between "Close gap" and "Close hole"?
For the case as described below
"Close holes" gives wrong results -- 
The "Close holes" option generally has a tendency to create additional nodes in between which may not be good specially in the case of curved surfaces,
"Close gap" gives following results:
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8.2. How does Match work in Stitch/Match Edges?
"Match" is generally used in those cases where curves lie very close to each other, specifically when the two ends meet together. You should have the two set of curves within some tolerance for this option to work.
For example you may use it in the following case:
Matching would give results like:
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8.3. Which triangulation tolerance is best?
The triangulation tolerance should be between 0.001 and
0.0001. Please note that it is a relative value.
Big values will produce problems in build topology; small
values will reduce the performance.
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8.4. How are Close Holes and Remove Holes different?
Use Close Holes if the hole is bounded by more than one surface. For example,
look at Figure 1-1 below. The yellow curves represent the boundary of the
hole. From the figure it is clear that this hole is bounded by more than one
surface. Figure 1-2 shows the geometry after Close Holes is completed. A new
surface is created to close the hole.
Use Remove Holes if the hole lies entirely within a single surface, such as
a trimmed surface. For example, look at Figure 1-3. The two yellow curve loops
represent the boundaries of the holes, which lie entirely in one surface.
Figure 1-4 shows the geometry after Remove Holes is completed for one of the
holes. The existing surface is modified by removing the trim definition.
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created by faq-system 0.3.6 Thomas Linden
