Return to Contents, Previous Page, Next Page

## Modify Track

The Modify command is used to change existing tracks and to extend them with new tracks. This command works with an unconnected End-Point of a track.

Either the Left mouse button (for changing length or creating a tangent track) or the Right mouse button (for extending with a new track) is used to select the unconnected End-Point.

Any tracks that are created during the Modify command will have the following properties inherited from the first track: selected state, hidden state, scale, track gauge and Layer.

### Changing Track Length:

Left-Drag is used to change the length of a track segment, (or Table Edge, Benchwork, Dimension Line or Line).

Left-Dragging the End-Point of a turnout (or other sectional track) causes a straight track to be created from the selected End-Point to the cursor.

You can change the length of a curve to form an almost complete circle if you drag the cursor almost to the other End-Point. Going past the other End-Point creates a very small curve. You cannot create a curve of greater than 360°.

Left-Dragging the End-Point of a Table Edge allows you to move the End-Point to a new position. If you move close to the End-Point of another Table Edge then the End-Point will be moved to it.

### Creating a Tangent to a Curve:

If you Left-Drag beyond the radius of a Curved track (but not a Circle) a Tangent to the Curve will be created.

This will begin when the distance from the Curved track center to the cursor is greater than 110% of the radius. If you then move the cursor within the radius of the Curve then the Changing Track Length mode is in effect.

The Curve is shortened or lengthened as required.

If easements are enabled then an easement curve will be generated (if required) to connect the old and new tracks.

### Changing Track Radius:

Shift-Left-Drag is used to change the Radius of Straight or Curved track segment.

Hold down the Shift key and select the unconnected End-Point or a track. The other End-Point must be connect to another track. Now Drag the unconnected End-Point to change the Radius of the track. Straight tracks can be made into Curved tracks and vice versa.

### Extending a Track:

Right-Drag is used to extend a track with a straight or curved track. The selected End-Point determines the position and angle of the first End-Point of the new track. The cursor is dragged to set the second End-Point. This is similar to creating a curved track.

A curved or straight track will be created, depending on the position of the second End-Point.

If easements are enabled then an easement curve will be generated (if required) to connect the old and new tracks.

Return to Contents, Previous Page, Next Page