Review the differences between an attached xref and the referenced drawing file.
The Xref Compare visor opens and the comparison results display in the current drawing. This visor provides several commands and settings to review and control the comparison result.
Differences between the comparison drawing and the attached xref are grouped by proximity into change sets that are surrounded by revision clouds. Differences are separated by color. By default, the colors are assigned as follows:
Revision clouds are used to highlight the differences between an attached xref and the referenced drawing file.
The size of the change sets is determined by the proximity of the changed objects compared to the size of the revision clouds.