Generic function
Returns #t if a transform always transforms any axis-aligned rectangle into another axis-aligned rectangle.
rectilinear-transform? transform => boolean
<transform>.
<boolean>.
duim-geometryduim-geometry Returns #t if the transform transform always transforms any axis-aligned rectangle into another axis-aligned rectangle, otherwise returns #f.
This category includes scalings as a subset, and also includes 90 degree rotations.
Rectilinear transforms are the most general category of transforms for which the bounding rectangle of a transformed object can be found by transforming the bounding rectangle of the original object.