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Altium Designer 6.8:新功能介紹 (Whats New in Altium Designer 6.8) Part.2

本主題共有 0 篇回覆,最新回覆發表於 03-01-2011, 10:25 上午,作者 tifa
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  •  03-01-2011, 10:25 上午 3894

    Altium Designer 6.8:新功能介紹 (Whats New in Altium Designer 6.8) Part.2

    Altium Designer 6.8:新功能介紹 (Whats New in Altium Designer 6.8) Part.2


    Improved - Visible and Electrical Grid Enhancements

    Appreciating that you may have to change through a large range of snap settings during the board layout process,
    the Visible and Electrical Grid options can now be set relative to the Snap Grid
    - offering an excellent visual cue of your current snap setting.

    New - Inverted Text Options

    Available in the String properties dialog of the PCB editor,
    new options for inverted text that use TrueType fonts allow you to define various properties of the bounding rectangle
    whereby the inverted text displays instead of the inverted text border.

    Figure 11. The different types of justifications are displayed here.
    In addition, a graphical resize handler allows you to interactively change the size of the inverted text
    rectangle after it has been placed.


    Potential conflicts between inverted texts and polygon fills can be avoided as greater flexibility
    is achieved for multiple text blocks that need to be overlapped with other objects or silk blocks,
    or are the same size at the time of Gerber generation
    - ensuring that what you see in the Gerber is the same as what is in the PCB editor.

    Additional options for greater display flexibility available in this dialog include:

    • Inverted Size (Width/Height) - allows you to set the width and height of the bounding rectangle.
    • Justification - allows you to determine how you would like your text justified with the bounding rectangle.
    • Inverted Text Offset - allows you to determine how far the inverted text
      will sit from the bounding rectangle edge.
      Inverted text for TrueType fonts behaves identically to normal text with respect to
      how design checking is performed (according to the bounding rectangle).


    New - Place Barcode Text

    Barcodes are commonly used to tag and identify PCBs.
    Altium Designer 6.8 allows you to place barcode symbols directly onto a PCB on any layer,
    allowing barcodes to be easily imprinted on a PCB as part of the manufacturing process.

    Launched from Place » String, a new option exists in the String dialog.
    Simply enter or paste text in as per usual and enable this option.
    The new Inverted Text Options (described earlier) can be used as well,
    including Render Modes and positioning of inverted text within the rectangle.

    New - Place Board Cutouts


    Board Cutouts are a new capability for the PCB editor and allow a Region to display a Board Cutout.
    A new option in the Place » Solid Region dialog allows you to enable this feature.

    Board Cutouts are supported for fabrication as well. Board cutout routing paths
    are outputted both in Gerber and ODB++.

    New - Option for Component Reference Point

    A new PCB editor display option in the View Configurations dialog
    (accessed from either Design » Board Layers & Colors, or shortcut 'L')
    lets you decide how to display a component's reference point.

    A secondary option even lets you pick the color for greater visibility in your design.


    New - Reposition Selected Components

    Placement of components during board layout just got a lot easier with new Reposition Selected Components.
    Launched from Tools » Component Placement » Reposition Selected Components in the PCB editor
    you can reposition the selected components one by one, in the sequence they were selected.

    Figure 14. Reposition selected components is also compatible with
    and supports the cross-select functionality between the schematic and PCB editors.

    New - Define Polygon Shape from Selected Objects


    You can create company logos or polygons easily from external sources (i.e., DXF or AutoCAD ® )
    using Define a polygon from selected objects in the PCB Editor.

    Polygon shape definition is a two-step process.
    First you select the objects within the PCB editor and then launch
    Tools » Polygon Pours » Define from selected objects to define a polygon fill.

    Right-click on the fill and selecting Properties will then allow you to specify the Fill Mode
    (Solid, Hatched, or None) as shown here.

    Expanded - Polygon Placement and Editing

    The improved placement and editing of polygon outlines introduced in 6.7
    has been expanded to include all polygon objects.
    Regions, Cutout Regions, Component Bodies, Polygon Rooms and Board Outline now offer the same easy
    and precise placement as the interactive routing tools.

    Figure 15. The ability to place and slide orthogonal edges, and corner re-mitering
    (Edit » Move » Polygon Vertices) including arcs can be done with all polygon objects.

    Expanded - Live Highlighting for Board Insight

    Board Insight has been expanded to include new Live Highlighting of the design.
    Live Highlighting allows you to highlight Nets, Net Classes, Differential Pairs
    and Components simply by placing the cursor over the appropriate object.

    Default settings for Live Highlighting can be changed through Tools » Preferences in the Board Insight Display page.
    Live Highlighting can be configured to be active only when the SHIFT key is pressed.


    Figure 16. Live Highlighting works with the masking capabilities in Altium Designer.
    Holding down the ALT

    + Click highlights components, CTRL
    + Double-click highlights Net Classes, and ALT
    + Double-click highlights a Component Class.


    Objects initially placed under the cursor will highlight with 35% intensity.
    If the cursor remains over the same object, highlighting will increase intensity.

    New - Signal Harnesses

    Altium Designer 6.8 introduces a new way of establishing connectivity and reducing schematic complexity
    - called Signal Harnesses.
    Signal harnesses extend on bus and wire connectivity by allowing you to assemble logical groupings of any signals,
    greatly simplifying the wiring traffic, enhancing readability,
    and potentially streamlining the structure of your schematic design.

    Using signal harnesses you can create and manipulate higher levels of abstraction between sub-circuits,
    effectively allowing for more complex designs to be represented with simpler drawings.


    Figure 17. Harnesses carry multiple signals can include both busses and wires
    which are grouped and then referenced as a single entity. The multi-wire connection is called a Signal Harness.

    The Elements of Signal Harnesses

    There are four basic elements to harness construction, launched through the Schematic editor:

    Signal Harness - represents the abstract connection that combines different signals.
    Used to connect different signal subsystems across your design,
    they can either link to other harnesses or represent the links between sheets.
    The signal harness acts the same as a bus object and can carry different signals as a single wire
    between harness connectors on different sheets.


    Harness Connector - combines the various signals together to form a Signal Harness.
    It is both a graphical definition and a graphical container that includes the actual nets, busses,
    and other harnesses to a main signal harness.


    Harness Entry - the graphical definition of a signal harness member.
    It is also the logical connection point for any nets, busses, and harnesses that form a high signal harness.
    Each entry is linked to a specific connection.


    Harness Definitions - the formal textual definitions of Signal Harness types.
    Stored in files (*.Harness) within your project file,
    they are used to understand harnesses at any level in a project.

    Establishing Connectivity


    While they can be used in flat designs, harness connectors are placed on different sheets in a hierarchical design.
    Connectivity is resolved by harness type which is a new field in the Port and Sheet Entry dialogs.

    Harness Entries are the graphical representation of the individual entries
    that are combined together and represented as a Signal Harness.
    Once the graphical representation of a Harness has been defined,
    a signal harness system can be built using Place » Harness » Predefined Harness Connector.
    The Place Predefined Harness Connector dialog appears with a list of all available Harness Connectors
    in your current and open projects and in your declared Device Sheet folder.


    Figure 18. Instances of Signal Harnesses can be created at any level in a project.
    Here we see two instances of the same JTAG-CONFIG Signal Harness Definition are used.
    These are defined on the top sheet and the naming convention is used to name nets on lower levels.

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