Follow the steps below to create a Portal structure.
Step 1: Place two markers
Place two circles on opposite sides of the tracks to act as markers for the position of the two Masts, at the location you would like to place the structure.
Step 2: Left click the 'Structures: Place' button
You may need to left click & hold on the 'Structures' button to reveal additional buttons.
Step 3: Left click a marker
This should be one of the markers you placed in Step 1.
Step 4: Left click another marker
This should be the other marker you placed in Step 1.
Step 5: Left click the Left Rail
This should be the leftmost rail of the tracks you wish the portal to be associated with when looking in the direction of increasing chainage.
Step 6: Left click the Right Rail
This should be the rightmost rail of the tracks you wish the portal to be associated with when looking in the direction of increasing chainage.
Step 7: Enter Structure Details
The following 'Create Structure' form will now appear. Complete the 'Structure Details' section with a name and the chainage that the structure should be located at.
Name: Identifier for the structure
Chainage: Chainage value that the structure should be placed at in kilometres
Step 8: Select Mast Styles
From the drop-down menus, select the Mast Styles (For Mast A and Mast B) you would like to allocate.
Step 9: Select Gantry and Foundation Styles
From the drop-down menus, select the Gantry Style and Foundation Styles (for Mast A and Mast B) you would like to allocate.
Step 10: Configure Masts
Adjust values for the Mast Length, Mast Bearing, RECOS/REFOS, Gap and ToF for Mast A and Mast B.
Length: Length of the Mast in metres
Bearing: Rotation of the Mast in degrees measured from North (0°)
RECOS: Distance from the centre of steel to the running edge of the closest rail in metres
REFOS: Distance from the face of steel to the running edge of the closest rail in metres
Gap: Spacing between the Top of Foundation and base of the Mast in metres
ToF: Top of Foundation height above sea level in metres (By default this value will be set to the HRL)
Step 11: Configure Foundations
Adjust values for the Foundation Length and Foundation Bearing for the Foundations of Mast A and mast B.
Length: Length of the Foundation in metres
Bearing: Rotation of the Foundation in degrees measured from North (0°)
Step 12: Configure Gantry
Adjust values for the Gantry Height and Gantry Length.
Height: Distance between the HRL and bottom of the Gantry in metres
Length: Length of the Gantry in metres
Step 13: Left click 'Confirm'
This will close the 'Create Structure' form.
Step 14: Confirm the structure has been placed correctly
You can now check that Lineardraft has placed a structure, which will be visible in both the 3D and Plan views.