Serge NOEL
66 lines
4.1 KiB
Plaintext
66 lines
4.1 KiB
Plaintext
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<meta name="generator" content="HTML Tidy for HTML5 for Apple macOS version 5.8.0">
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<title>JMRI: Edit Track Segment Help</title>
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<meta name="author" content="Bob Jacobsen">
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<meta name="keywords" content="JMRI help Layout Editor Track Segment">
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<h1>Edit Track Segment</h1>
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<h2>Track Segments and Connecting Points</h2>
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A <strong>Track Segment</strong> is a piece of straight track stretching between two
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connection points. Connection points are drawn as small red or green squares. Connection
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points are found on turnouts, anchor points, end bumpers, and level crossings. Each turnout
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has three or four connection points, each accepting one connection. Each anchor point has one
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connection point that can accept two connections. An end bumper is similar, but only accepts
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one connection. Level crossings have four connection points, each accepting one connection. A
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connection point that can accept a connecting track segment is drawn red. When a connection
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point has its capacity of connections, its color is changed to green. When all connection
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points are green, a track diagram is complete, with all connections defined.
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<h2>Line Styles</h2>
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Track segments are normally drawn as solid lines. but you can designate that a track segment
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be drawn <em>dashed</em> to show tunnels or tracks crossing at different grades. You can
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request a dashed line for a track segment by checking <strong>Dashed</strong> in the tool bar
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before the track segment is created, or you can change a track segment to
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<strong>Dashed</strong> in the Edit Track Segment dialog. (More anchor points can be added to
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get the dashed part of your track to cover the exact area desired.) You can also designate a
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track segment as <em>hidden</em> so it's displayed only when edit mode is active.
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<em>Hidden</em> track segments are useful for track diagrams drawn as multiple rows where the
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end of one row connects to the beginning of the same or another row. To make a track segment
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hidden, check <strong>Hide Track</strong> in the Edit Track Segment dialog.
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<h2>Mainline Track and Side Track</h2>
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Optionally, track segments are used to designate <em>mainline track</em> or <em>side
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track</em>. The legs of turnouts and level crossings are set to <em>mainline track</em> or
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<em>side track</em> according to the designations of track segments that are connected to
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them. See the discussion of continuing routes in the above section on turnouts for
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information on how a mainline is tracked through a turnout.
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<p>If <strong>Mainline</strong> is checked in the tool bar when a track segment is created,
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that track segment is designated as <em>mainline track</em>, otherwise it is considered
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<em>side track</em>. You can change from mainline track to side track, or vice versa, in the
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Edit Track dialog. Mainline track and side track may be drawn with different width lines.
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Track widths for each are set using the <strong>Set Track Width...</strong> item in the
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Options menu.</p>
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<h2>Track Blocks</h2>
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Optionally, you can designate which <strong>Block</strong> a track segment is in--either by
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entering a block name in the <strong>Block: Name</strong> field of the tool bar prior to
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creating each track segment, or by entering a block name in the Edit Track Segment dialog at
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a later time. The Edit Track Segment dialog also allows an Edit Block dialog to be requested,
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so information for the track segment's block may be entered or changed. Blocks are discussed
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more fully in the help page of the Create/Edit Block dialog.
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