math.affine-transforms vocabulary
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Documentation
Affine Transformations of 2d Vectors

Metadata

Parents:	math
Tags:	graphics, math
Authors:	Joe Groff

Words

Tuple classes

Class	Superclass	Slots
affine-transform	tuple	x y origin

Ordinary words

Word	Stack effect
(inverted-axes)	( a -- x y )
<affine-transform>	( x y origin -- affine-transform )
<identity>	( -- a )
<rotation>	( theta -- transform )
<scale>	( x y -- transform )
<translation>	( origin -- a )
a.	( a a -- a )
a.v	( a v -- v )
axes	( a -- a' )
a~	( a b epsilon -- ? )
center-rotation	( transform center -- transform )
flatten-transform	( transform -- array )
identity-transform	( -- value )
inverse-axes	( a -- a^-1 )
inverse-transform	( a -- a^-1 )
transpose-axes	( a -- a^T )
|a|	( a -- det )

Class predicate words

Word	Stack effect
affine-transform?	( object -- ? )

Files

resource:extra/math/affine-transforms/affine-transforms.factor
resource:extra/math/affine-transforms/affine-transforms-docs.factor
resource:extra/math/affine-transforms/affine-transforms-tests.factor

Metadata files

resource:extra/math/affine-transforms/authors.txt
resource:extra/math/affine-transforms/summary.txt
resource:extra/math/affine-transforms/tags.txt