There should be a room called roomdefinition change its name to bgawidth and copy that name so it can be used in a moment.
Altium room definition between.
A room is a primitive design object.
Any net constraint is applied between any two primitive objects belonging to any net in the design.
Any net constraint is applied between any two primitive objects belonging to any net in the design.
This is the most comprehensive of the three options and covers.
It is a region that assists in the placement of components.
The design rooms submenu has a number of room definition commands.
Creating the room rule.
This is the most comprehensive of the three options.
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Rectangular or polygon type rooms can be placed on either the top or bottom layer of the board and can either be placed empty associating components at a later stage or placed around components in the design automatically associating them to the room.
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In this case we left the second object match set to all.
A room is a primitive design object.
A placement room is also a design rule.
Room locked allows you to lock the room in its current position within the design preventing accidental movement either manually or by the autoplacers.
Between a via and pad on the same net or within the same track of a differential pair.
Once again we have set up our new net class test as the object match but in a clearance rule you have two object matches in order to check the clearances between both.
Rectangular or polygon type rooms can be placed on either the top or bottom layer of the board and can either be placed empty associating components at a later stage or placed around components in the design automatically associating them to the room.
If you attempt to move the room when it has been locked a warning dialog will appear asking whether you wish to go ahead with the move.
Same net only constraint is applied between any two primitive objects belonging to the same net eg between a via and pad on the same net or two track segments in the same net.
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It is a region that assists in the placement of components.
While you can create the rule then define the room from the design rule dialog it can be more efficient to do it the other way around interactively create the room.
Same net only constraint is applied between any two primitive objects belonging to the same net e g.
Default constraints for the room definition rule.
Changing the values of the clearance constraints in altium designer.
To add a new width design rule right click on the word width and select new rule from the.