18.4 Sheet Geometry

**sheet-identity-transformation-mixin ** [Class]

- Summary:
- This class is mixed into sheet classes whose coordinate systems are identical to that of their parent.

- Summary:
- This class is mixed into sheet classes whose coordinate systems are related to that of their parent by a simple translation.

- Summary:
- This class is mixed into sheet classes whose coordinate systems are related to that of their parent by inverting the
*y*coordinate system, and optionally translating by some amount in*x*and*y*.

- Summary:
- This class is mixed into sheet classes whose coordinate systems are related to that of their parent by an arbitrary affine transformation.

CLIM 2.0 User's Guide - OCT 1998

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