Elias Naur 07e07c7544 ensure consistent path segment transformation ...

As described in #62, the non-deterministic scene monoid may result in
slightly different transformations for path segments in an otherwise
closed path.

This change ensures consistent transformation across paths in three steps.

First, absolute transformations computed by the scene monoid is stored
along with path segments and annotated elements.

Second, elements.comp no longer transforms path segments. Instead, each
segment is stored untransformed along with a reference to its absolute
transformation.

Finally, path_coarse performs the transformation of path segments.
Because all segments in a path share a single transformation reference,
the inconsistency in #62 is avoided.

Fixes #62

Signed-off-by: Elias Naur <mail@eliasnaur.com>

2021-03-19 12:45:23 +01:00

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