Setting the design rules for the bga room.
Altium edit room definition.
Display the placement section and then the room definition section.
The context sensitive right click menu can be accessed when the cursor is over a room object and provides commands for selecting the connections in the room routing the connections in the room using the situs autorouter and unrouting the room.
To add a new width design rule right click on the word width and select new rule from the.
To locate a definition source for a variable press the ctrl key while clicking on the variable where it s used in the script.
This article looks at reverse engineering a pcb layout directly from cam files loaded into altium designer s cam editor camtastic.
Each edge is represented by an end vertex at each end shown as a solid white square and a center vertex in the middle shown as a hollow white square.
A room definition rule will automatically be created and assigned to the room with an initial scope full query of all.
To lock a room double click on it and enable the room locked option in the edit room definition dialog.
Now go to the routing section of the rules dialog and display all the width rules.
On the left side of the pcb rules and constraints editor menu go down to the placement rules and click on the arrow to open up these rules.
After importing cam data into a cam document you will notice that the export to pcb option is grayed out regardless of the current cam editor mode cam or nc.
There should be a room called roomdefinition change its name to bgawidth and copy that name so it can be used in a moment.
The cursor will relocate to the definition.
The outer shape of the polygonal object is defined by a series of edges.
Edit this query to target the specific component class previously defined.
In the room definition category you will see the new rule for the room that you just created.
To lock a room double click on it and enable the room locked option in the edit room definition dialog.
Editing a polygonal object.
The source of a script variable or method definition can be instantly located using the editor s navigation feature.
This command allows you to reverse engineer a pcb layout directly from cam files.
It will have the name of roomdefinition.
Edit this query to target the specific component class previously defined.
As well as being a design rule in its own right room definition a room can also be used as an object when defining the scope of another rule such as clearance or height.
The context sensitive right click menu can be accessed when the cursor is over a room object and provides commands for selecting the connections in the room routing the connections in the room using the situs autorouter and unrouting the room.
