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# 2.2.8 Modify

The Modify command is used to change characteristics of tracks or draw elements or extend existing track by adding new track. The extend type of Modify command works with any unconnected track endpoint, or with Turntables. Cornu(s) or Bezier track can be modified even if connected. Selecting one Cornu which is connected to other Cornu(s) results in a single modification curve with control "Pins" at the connections.

The Modify command can be invoked using the Change>Modify menu item, the Modify button, by Double-Click in Select when hovering over a selected item or the menu raised by a Right-Click over the Main Canvas.

Before a track is selected for Modify, a dynamic blue anchor will show which track the command will take effect on if the cursor is close enough to a modifyable track or object. Arrows are shown to indicate if the track can be extended or trimmed and also if its radius can be modified if Shift is depressed as the cursor is moved over the track.

- 2.2.8.1 Extending Track
- 2.2.8.2 Modifying Objects
- 2.2.8.3 Changing Track Length
- 2.2.8.4 Creating a Tangent to a Curve
- 2.2.8.5 Changing Track Radius
- 2.2.8.6 Extending Track Length
- 2.2.8.7 Modifying Draw Elements

- 2.2.8.7.1 Modifying PolyLines and Polygons

- 2.2.8.8 Cornu Easements Modifying a Cornu Track
- 2.2.8.9 Modifying a Bezier