2.10.7 Preferences Dialog
This dialog controls some parameters which likely will not be changed frequently.
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Angles - controls the angle system. Polar: 0° is up and angles are measured clockwise, or Cartesian: 0° is to the right and angles are measured counter-clockwise.
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Auto Pan - if enabled, dragging near the edge of the Main Canvas (Section 3.1) will cause the canvas to move to follow the mouse.
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Check-Point - how often the layout is automatically saved to the checkpoint file (Section 1.8.3). Setting this value to 0 disables writing the Checkpoint file.
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Connection Angle - as above for the angle between endpoints.
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Connection Distance - the maximum distance between endpoints that can be connected. This affects the Join (Section 2.2.6) command and auto-connection during Parallel (Section 2.1.5) commands and placing Turnouts (Section 2.7). The default value for this field is 0.100 inches or 0.254 CM. Changing this value is not recommended.
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Drag Distance - controls how far you can move the cursor (in pixels) before XTrkCad considers the action to be a drag instead of a click.
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Drag Timeout - controls how long you can hold a mouse button down (in milliseconds) before XTrkCad considers the action to be a drag instead of a click.
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Length Format - controls how lengths are displayed. Combinations of feet and inches (or meters, centimeters and millimeters) with support for decimal or fractional measures. Note: lengths can be entered in any format and are converted on entry.
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List Labels - controls the format of titles for turnouts and structures displayed in lists (such as the Parts List (Section 2.9.5)).
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Maximum Track Grade - Tracks with more than this grade are drawn in the exceptional (Section 2.10.1) color.
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Minimum Track Length - specifies the minimum length of a track. Shorter tracks will not be created.
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Minimum Track Radius - Curved tracks with less than this radius are drawn in the exceptional (Section 2.10.1) color.
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Train Update Delay - number of milliseconds between updates in the Train Simulation (Section 2.9.7) mode. A lower value will generate a smoother display but reduces system responsiveness.
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Units - choose between English (inches) or Metric (centimeters) measurements.