COLLADA book: Difference between revisions
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The '''COLLADA Book''' was published in August 2006 by [http://www.akpeters.com/product.asp?ProdCode=2876 AK Peters] | The '''COLLADA Book''' was published in August 2006 by [http://www.akpeters.com/product.asp?ProdCode=2876 AK Peters] | ||
[[Image:Collada_book.png| | [[Image:Collada_book.png||thumb|Description]] | ||
== | ==Order your copy== | ||
* page 125 | * [http://www.akpeters.com/product.asp?ProdCode=2876 From the publisher] | ||
The 1D tangent equation is incorrect. It should be: | * [http://en.wikipedia.org/w/index.php?title=Special%3ABooksources&isbn=978-1568812878 From any other source] | ||
[[Image:page-125.jpg|300px | |||
== Errata == | |||
===page 59=== | |||
Figure 3.9 is incorrect. It should be a diagram of linestrip, not polylist.<br /> | |||
<br /> | |||
===page 125=== | |||
The 1D tangent equation is incorrect. It should be:<br> | |||
[[Image:page-125.jpg|300px]] | |||
Note that 1D tangents are obsolete, most implementations are now using 2D tangents. | Note that 1D tangents are obsolete, most implementations are now using 2D tangents. | ||
===page 126=== | |||
The Bezier matrix definition is incorrect. Bézier interpolation do not use tangents <br> | |||
[[Image:page-126.jpg|300px]] | |||
See the [http://www.khronos.org/files/collada_1_4_release_notes.pdf release notes] page 22 for more information. | |||
===page 127=== | |||
The Hermite matrix definition is incomplete, it should mention the C vector using (2D) tangents <br> | |||
[[Image:page-127a.jpg|300px|link=http://www.mykoncept.com]] | |||
===page 127=== | |||
The BSpline matrix definition is missing the 1/6 factor<br> | |||
[[Image:page-127-b.jpg|300px]] | |||
===page 163=== | |||
The arrows on the Figure 7.22 are incorrectly blended together. Here's what the picture should be: | The arrows on the Figure 7.22 are incorrectly blended together. Here's what the picture should be: | ||
[[Image:Physics-elements-relationship.jpg | [[Image:Physics-elements-relationship.jpg]] | ||
[[Category:COLLADA miscellaneous]] | |||
[[Category:COLLADA documentation]] | |||
Latest revision as of 10:02, 29 January 2010
The COLLADA Book was published in August 2006 by AK Peters
Order your copy
Errata
page 59
Figure 3.9 is incorrect. It should be a diagram of linestrip, not polylist.
page 125
The 1D tangent equation is incorrect. It should be:
Note that 1D tangents are obsolete, most implementations are now using 2D tangents.
page 126
The Bezier matrix definition is incorrect. Bézier interpolation do not use tangents
See the release notes page 22 for more information.
page 127
The Hermite matrix definition is incomplete, it should mention the C vector using (2D) tangents
page 127
The BSpline matrix definition is missing the 1/6 factor
page 163
The arrows on the Figure 7.22 are incorrectly blended together. Here's what the picture should be:
