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Matrix basis rep #78

Merged
merged 3 commits into from
Mar 22, 2013
Merged

Matrix basis rep #78

merged 3 commits into from
Mar 22, 2013

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bergey
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@bergey bergey commented Mar 22, 2013

Adds a function onBasis specialized on R2. There is no ThreeD.Transform module yet, so I defer writing that variant.

Depends on the change in diagrams/diagrams-core#36

See that pull request for caveats about this code.

onBasis helps backends construct a matrix representation
of a Transformation
@@ -308,3 +311,7 @@ instance (V t ~ R2, Transformable t) => Transformable (ScaleInv t) where
rot = rotateAbout l angle
l' = transform tr l
trans = translate (l' .-. l)

onBasis :: Transformation R2 -> ((R2, R2), R2)
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Could you add a Haddock comment explaining what onBasis does?

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byorgey commented Mar 22, 2013

Thanks!

byorgey added a commit that referenced this pull request Mar 22, 2013
@byorgey byorgey merged commit 0b58a5f into diagrams:master Mar 22, 2013
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2 participants