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The 16.6-2015 Allegro PCB Editor release introduces a few new features that provide a persistent capability.Read on for more details.Persistent Snap Overview As an update to the previously added Snap feature, Allegro PCB Editor now features improvements on the popular feature by including Persistent Snap functionality. Users who wish to maintain a specified snap and/or selection type throughout an Allegro session can now do so by enabling the “persistent” toggle option available in the RMB menu of the respective commands. Persistent Snap Optionso Segment vertex - The pick point snaps to the nearest vertex of any of the supported object typeso Segment midpoint - The pick point snaps to the nearest mid-point of the supported segment typeo Segment - The pick point snaps to the nearest point on the segmento Arc/circle center - The pick point snaps to the center of an arc segment or a circleo Symbol origin - The pick point snaps to the origin of the symbolo Pin - The pick point snaps to the nearest pino Via - The pick point snaps to the nearest viao Figure - The pick point snaps to the nearest figureo Intersection - The pick point snaps to the intersection of the segmentso Off-grid location - The pick point directly returns without snappingo Grid point - The pick point snaps to the nearest grid point Snap pick to – Enable the “Persistent snap” option, then select an element type. A check box will appear once the element is selected.
Persistent Select OptionsPersistency also now applies to the section options. Allegro PCB Editor now includes Persistent Select. Simply RMB anywhere on the canvas and select Selection Set > Persistent Select and choose the selection type (polygon, lasso, or path). The method of selection will be maintained until such time as you turn it off:Funckey Key SupportThe use of functions keys allows for Persistent Snap types to be turned on or off. Simply click the respective assigned function key to initiate the action before placing components or performing other tasks. The command begins and ends with double quotations. A single quotation follows the snap mode command. A semi-colon exists after the pre-popup command. See below on how you can learn and extract the command(s) that you can then copy between the semi-colon and the last double quotation mark in order to create other function key commands. Here are a few examples:
Did you know – The command window can be used to echo back command statements like the examples above. Type scriptmode +e in the command window to echo back commands. Copy and paste the echoed commands into your ENV file. I look forward to your feedback!Jerry “GenPart” Grzenia