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palette and can be defined as a boundary object there. Additionally, xrefs and
blocks now have a Bound Spaces property as well.
When you migrate a drawing with associative spaces that use linework from
an xref as boundary objects you’ll see the following behavior:
â– All lines, arcs, circles, and polylines (as well as object outlines selected via
the All Linework filter) that were defined as boundary objects in the host
drawing will have their Bound Spaces setting correctly translated to the
new mechanism and will continue to bound spaces.
â– All lines, arcs, circles, and polylines from not-yet migrated xrefs however
will not act as boundary objects for spaces in the host drawing anymore,
so that if the spaces in the host drawing are updated (or new spaces are
generated), the generation or update fails for these xref linework objects.
In order to update your spaces correctly, you can use an xref override on the
affected linework objects (see Changing the Display Configuration Used in
Xref Drawings on page 825). Alternatively, you can open the xref drawing, set
the Bound spaces property on the desired linework objects to Yes, re-load the
xref, and regenerate the spaces.
NOTE When you are converting drawings with xrefs and associative spaces from
a previous version, the first time the host drawing is opened, will be accompanied
by a noticeable performance delay. This is however only a one-time effect; once
the host drawing and its associated xref drawings have been opened and saved
with the current version, the performance will be improved in all future sessions.
Generating Spaces from Xrefs or Blocks Using the Xref or Block
Settings
Within an xref or block you can define objects as boundary objects for spaces.
These objects can be used to generate spaces in a host drawing.
In order to use boundary objects from an xref in a host drawing, the xref must
have its Bound Spaces property set to Yes. (This is the default setting when
inserting an xref.) If the xref’s Bound Spaces property is set to Yes, objects in
it that have their Bound Spaces property set to Yes, too, will be used to generate
spaces in the host drawing. If the Bound Spaces property of the xref has been
set to No, any objects in the xref are ignored when generating spaces in the
host drawing, regardless of whether they have their Bound Spaces property
set to Yes.
2922 | Chapter 39 Spaces
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