When you are displaying the results of a comparison, the visibility command gives you the possibility to select which entities are displayed. Use this command only if your current AutoCAD drawing shows the result of a comparison, either Detailed or Basic.

CompareDWG visibility dialog

If your current drawing is the result of a Detailed Comparison, you can select the following sets of entities:

Old Drawing Deleted, changed and unchanged Entities.
New Drawing Added, changed and unchanged Entities.
Combined Drawing Deleted and changed Entities from the Old Drawing together with added, changed and unchanged Entities from the New Drawing.

If some entity sets are not available (for example there are no deleted Entities) then this option will not be accessible. If your current drawing is based on a Basic Comparison, you can select only "all entities from the Old Drawing" and "all entities from the New Drawing".

Display Order

The initial display order is as follows, (though no drawing ever displays all these entities at the same time):


New Drawing, added entities
Old Drawing, deleted entities
New Drawing, changed entities
Old Drawing, changed entities
New Drawing, unchanged entities
Old Drawing, unchanged entities

When you change the visible entities, the ones that are switched on last will be shown on top. However, if you only want to change the display order, it may be easier to use the regular AutoCAD commands (Tools / Display Order).

Tip 1: some people prefer to move one of the entity sets a tiny bit, instead of using the display order. This way you can also see the overlapping entities, instead of always having one set "at the bottom". Remember: you are looking at temporary drawings so there is no harm in modifying them slightly.

Tip 2: plotting the output drawings can make it clearer where overlapping entities are, since these will become black on the plot (depending on your markup colours). This is especially useful in Basic Mode where you cannot switch off the unchanged entities.

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