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Parent page: PCB Objects
Accordion objects are added to increase the length of a route, the Net Length Gauge indicates the progress towards achieving the required target length.
The accordion object is a system-created group object. The accordion object is created by the software during interactive length tuning to increase the overall length of a route. The software builds the accordion shaped section of routing from tracks and/or arcs in accordance with the properties defined in the Accordion mode of the Properties panel. Because the accordion object is a group object, a placed accordion can be interactively reshaped if required.
The accordion object is placed automatically in the PCB editor when the Interactive Length Tuning command is being used and the route length is shorter than the length specified for that net.
The route length requirement is specified by:
Accordions are placed when the Interactive Length Tuning command is run, and the route length needs to be increased.
After launching the PCB editor's Route » Interactive Length Tuning command, the cursor will change to a cross-hair and you will enter length tuning (Accordion placement) mode. Placement is made by performing the following sequence of actions:
Additional actions that can be performed during placement include:
The shortcuts available during length tuning include:
Shortcut | Function |
---|---|
Spacebar | Cycle through the three Styles of tuning pattern |
, (comma) | Decrease amplitude by the amount specified for the Amplitude Increment |
. (full stop) | Increase amplitude by the amount specified for the Amplitude Increment |
3 | Decrease space by the amount specified for the Gap Increment |
4 | Increase space by the amount specified for the Gap Increment |
1 | Decrease corner miter by the % specified for the Miter Increment |
2 | Increase corner miter by the % specified for the Miter Increment |
Y | Toggle starting direction |
Tab | Open the Properties panel in Accordion mode |
Shift+G | Toggle Length Tuning Gauge on/off |
This method of editing allows you to select a placed Accordion object directly in the workspace and graphically change its size and shape.
When an Accordion object is selected, its polygonal outline is displayed as shown in the animation below. The outer shape of the polygonal outline is defined by a series of edges: where each edge is represented by an end vertex at each end,
shown as a solid white square (A in the image below); and a center vertex in the middle, shown as a hollow white square (B in the image below). Each end vertex represents the location where two edges meet.Click and drag on an edge or a vertex to reshape the accordion's polygonal outline, press Shift+Space to change the editing mode.
Standard polygonal shape editing techniques are available for editing the shape.
When editing a polygonal object, there are three editing modes available, Slide/Miter, Incurvate (arc) and Move. The current mode can be changed while dragging a vertex or an edge by pressing Shift+Spacebar to cycle through the three modes.
The following methods of non-graphical editing are available:
Properties page: Accordion Properties
The properties of an Accordion can be edited in the PCB editor's Properties panel, which allows editing of all item(s) currently selected in the workspace.
The Accordion mode of the Properties panel.
During interactive length tuning, the panel can be accessed by pressing the Tab key.
To access the properties of a placed Accordion:
The properties displayed in the panel reflect the settings that were used to create the selected accordion.
The following properties of the selected accordion can be changed via the panel:
The Properties panel supports editing multiple objects, where the property settings that are identical in all currently selected objects may be modified. When multiples of the same object type are selected manually, via the Find Similar Objects dialog or through a Filter or List panel, a Properties panel field entry that is not shown as an asterisk (*
) may be edited for all selected objects.
Panel page: PCB List
The List panel allows you to display design objects from one or more documents in tabular format, enabling quick inspection and modification of object attributes. Used in conjunction with appropriate filtering - by using the applicable Filter panel, or the Find Similar Objects dialog - it enables the display of just those objects falling under the scope of the active filter – allowing you to target and edit multiple design objects with greater accuracy and efficiency.
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Copyright © 2019 Altium Limited
如果您有任何需求,请点击这里联系获取当地办公室销售代表联系方式。.
Copyright © 2019 Altium Limited
如果您有任何需求,请点击这里联系获取当地办公室销售代表联系方式。.
Copyright © 2019 Altium Limited
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好的,您可以下载免费的Altium Designer Viewer查看文档,有效期6个月。
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点击[获取免费试用],并同意我们的隐私政策。您会接收到来自Altium的资讯,并允许其改变您的通知首选项。