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.
Altium room definition between.
This is the most comprehensive of the three options and covers.
Room locked allows you to lock the room in its current position within the design preventing accidental movement either manually or by the autoplacers.
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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.
Changing the values of the clearance constraints in altium designer.
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.
In this case we left the second object match set to all.
A room is a primitive design object.
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.
A room is a primitive design object.
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.
Any net constraint is applied between any two primitive objects belonging to any net in the design.
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Creating the room rule.
Altium designer creates the design rule for you.
A placement room is also a design rule.
Between a via and pad on the same net or within the same track of a differential pair.
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The design rooms submenu has a number of room definition commands.
To add a new width design rule right click on the word width and select new rule from the.
Now go to the routing section of the rules dialog and display all the width rules.
There should be a room called roomdefinition change its name to bgawidth and copy that name so it can be used in a moment.
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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.
It is a region that assists in the placement of components.
Display the placement section and then the room definition section.
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.